youys
/
ant
Not watched
1
0
Fork 1
Code
Releases 0 Wiki Activity
Issues 0 Pull Requests 0 Datasets Model Cloudbrain
Browse Source

once again for Jose Alberto - think I got it right this time 

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271710 13f79535-47bb-0310-9956-ffa450edef68
master
Erik Hatcher 23 years ago
parent
1d2784e6d5
commit
6252354506
10 changed files with 1971 additions and 1201 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +40
    -6
      proposal/sandbox/antlib/build.xml
  2. +993
    -546
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/Project.java
  3. +96
    -60
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/ProjectHelper.java
  4. +5
    -0
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/RoleAdapter.java
  5. +358
    -288
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/SymbolTable.java
  6. +22
    -14
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/TaskAdapter.java
  7. +1
    -23
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/taskdefs/Ant.java
  8. +9
    -5
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/taskdefs/Antjar.java
  9. +426
    -256
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/taskdefs/Antlib.java
  10. +21
    -3
      proposal/sandbox/antlib/src/main/org/apache/tools/ant/types/DataTypeAdapterTask.java

+ 40
- 6
proposal/sandbox/antlib/build.xml View File

@@ -6,21 +6,24 @@
<property name='build' location='build' />
<property name='dist' location='dist' />
<property name='classes' location='${build}/classes' />
<property name='testcases' location='src/testcases' />

<property name="debug" value="true" />
<property name="deprecation" value="false" />
<property name="optimize" value="true" />
<target name='init'>
<ant target='build' dir='${orig}' inheritAll='false' />
<mkdir dir='${classes}' />
<copy toDir='${classes}' preservelastmodified='true' >
<fileset dir='${orig-classes}'>
<include name='**' />
<exclude name='org/apache/tools/ant/Project.class' />
<exclude name='org/apache/tools/ant/TaskAdapter.class' />
<exclude name='org/apache/tools/ant/taskdefs/Ant.class' />
<exclude name='org/apache/tools/ant/Project.class' />
<exclude name='org/apache/tools/ant/ProjectHelper.class' />
<exclude name='org/apache/tools/ant/IntrospectionHelper.class' />
<exclude name='org/apache/tools/ant/TaskAdapter.class' />
<exclude name='org/apache/tools/ant/taskdefs/Ant.class' />
</fileset>
</copy>
</target>
@@ -39,6 +42,32 @@
<property name="build.dir" value="${build}"/>
<property name="dist.dir" value="${dist}"/>
</ant>
<!--
Rejar things to use lib descriptors
It needs to work with the original ANT processor
-->
<path id="newtasks">
<pathelement location="${classes}" />
</path>
<taskdef name="antjar" classname="org.apache.tools.ant.taskdefs.Antjar"
classpathref="newtasks" />
<taskdef name="antlib" classname="org.apache.tools.ant.taskdefs.Antlib"
classpathref="newtasks" />
<mkdir dir='${dist}/autolib' />
<antjar antxml="src/main/org/apache/tools/ant/opt-antlib.xml"
destfile="${dist}/autolib/optional.jar" >
<zipfileset src="${dist}/lib/optional.jar" >
<include name="**/*" />
</zipfileset>
</antjar>
<antjar antxml="src/main/org/apache/tools/ant/antlib.xml"
destfile="${dist}/lib/newant.jar" >
<zipfileset src="${dist}/lib/ant.jar" >
<include name="**/*" />
</zipfileset>
</antjar>
<delete file="${dist}/lib/optional.jar" />
<move file="${dist}/lib/newant.jar" tofile="${dist}/lib/ant.jar"/>
</target>

<target name='compile'>
@@ -48,6 +77,11 @@
optimize="${optimize}">
<include name='**/*.java'/>
</javac>
<copy toDir='${classes}' preservelastmodified='true' >
<fileset dir='src/main'>
<include name='**/*.xml' />
</fileset>
</copy>
</target>

<target name='clean'>
@@ -56,7 +90,7 @@

<target name='test'>
<ant dir='${testcases}' inheritAll='false'/>
<ant dir='${testcases}'
<ant dir='${testcases}'
antfile='${testcases}/case.xml' inheritAll='false'/>
</target>



+ 993
- 546
proposal/sandbox/antlib/src/main/org/apache/tools/ant/Project.java
File diff suppressed because it is too large
View File


+ 96
- 60
proposal/sandbox/antlib/src/main/org/apache/tools/ant/ProjectHelper.java View File

@@ -114,7 +114,7 @@ public class ProjectHelper {
private void parse() throws BuildException {
FileInputStream inputStream = null;
InputSource inputSource = null;
try {
SAXParser saxParser = getParserFactory().newSAXParser();
parser = saxParser.getParser();
@@ -123,7 +123,7 @@ public class ProjectHelper {
for (int index = uri.indexOf('#'); index != -1; index = uri.indexOf('#')) {
uri = uri.substring(0, index) + "%23" + uri.substring(index+1);
}
inputStream = new FileInputStream(buildFile);
inputSource = new InputSource(inputStream);
inputSource.setSystemId(uri);
@@ -145,7 +145,7 @@ public class ProjectHelper {
}
throw be;
}
throw new BuildException(exc.getMessage(), t, location);
}
catch(SAXException exc) {
@@ -231,20 +231,20 @@ public class ProjectHelper {
*/
public InputSource resolveEntity(String publicId,
String systemId) {
project.log("resolving systemId: " + systemId, Project.MSG_VERBOSE);
if (systemId.startsWith("file:")) {
String path = systemId.substring(5);
int index = path.indexOf("file:");
// we only have to handle these for backward compatibility
// since they are in the FAQ.
while (index != -1) {
path = path.substring(0, index) + path.substring(index + 5);
index = path.indexOf("file:");
}
String entitySystemId = path;
index = path.indexOf("%23");
// convert these to #
@@ -257,13 +257,13 @@ public class ProjectHelper {
if (!file.isAbsolute()) {
file = new File(buildFileParent, path);
}
try {
InputSource inputSource = new InputSource(new FileInputStream(file));
inputSource.setSystemId("file:" + entitySystemId);
return inputSource;
} catch (FileNotFoundException fne) {
project.log(file.getAbsolutePath()+" could not be found",
project.log(file.getAbsolutePath()+" could not be found",
Project.MSG_WARN);
}
}
@@ -316,10 +316,10 @@ public class ProjectHelper {
}

if (def == null) {
throw new SAXParseException("The default attribute of project is required",
throw new SAXParseException("The default attribute of project is required",
locator);
}

project.setDefaultTarget(def);

@@ -360,6 +360,8 @@ public class ProjectHelper {
handleTopTask(name, attrs);
} else if (name.equals("target")) {
handleTarget(name, attrs);
} else if (name.equals("description")) {
handleDescription(name, attrs);
} else if (project.isDefinedOnRole(Project.DATATYPE_ROLE, name)) {
handleTopTask(name, attrs);
} else {
@@ -367,9 +369,9 @@ public class ProjectHelper {
}
}

private void handleTopTask(String name, AttributeList attrs)
throws SAXParseException {
InmediateTarget target = new InmediateTarget(name);
private void handleTopTask(String name, AttributeList attrs)
throws SAXParseException {
InmediateTarget target = new InmediateTarget(name);
(new TaskHandler(this, target, null, target)).init(name, attrs);
}

@@ -377,6 +379,10 @@ public class ProjectHelper {
new TargetHandler(this).init(tag, attrs);
}

private void handleDescription(String tag, AttributeList attrs) throws SAXParseException {
new DescriptionHandler(this).init(tag, attrs);
}

}

/**
@@ -441,8 +447,13 @@ public class ProjectHelper {
}

public void startElement(String name, AttributeList attrs) throws SAXParseException {
new TaskHandler(this, target, null, target).init(name, attrs);
}
if (name.equals("description")) {
new DescriptionHandler(this).init(name, attrs);
}
else {
new TaskHandler(this, target, null, target).init(name, attrs);
}
}
}

/**
@@ -466,7 +477,7 @@ public class ProjectHelper {
try {
task = (Task)project.createInRole(container, tag);
} catch (BuildException e) {
// swallow here, will be thrown again in
// swallow here, will be thrown again in
// UnknownElement.maybeConfigure if the problem persists.
}

@@ -475,21 +486,21 @@ public class ProjectHelper {
task.setProject(project);
task.setTaskType(tag);
task.setTaskName(tag);
container.addTask(task);
container.addTask(task);
}

task.setLocation(new Location(buildFile.toString(),
locator.getLineNumber(),
locator.getColumnNumber()));
task.setLocation(new Location(buildFile.toString(),
locator.getLineNumber(),
locator.getColumnNumber()));
configureId(task, attrs);

task.setOwningTarget(target);
task.init();
wrapper = task.getRuntimeConfigurableWrapper();
wrapper.setAttributes(attrs);
if (parentWrapper != null) {
parentWrapper.addChild(wrapper);
}
task.setOwningTarget(target);
task.init();
wrapper = task.getRuntimeConfigurableWrapper();
wrapper.setAttributes(attrs);
if (parentWrapper != null) {
parentWrapper.addChild(wrapper);
}
}

protected void finished() {
@@ -531,7 +542,7 @@ public class ProjectHelper {
private RuntimeConfigurable childWrapper = null;
private Target target;

public NestedElementHandler(DocumentHandler parentHandler,
public NestedElementHandler(DocumentHandler parentHandler,
Object parent,
RuntimeConfigurable parentWrapper,
Target target) {
@@ -548,7 +559,7 @@ public class ProjectHelper {

public void init(String propType, AttributeList attrs) throws SAXParseException {
Class parentClass = parent.getClass();
IntrospectionHelper ih =
IntrospectionHelper ih =
IntrospectionHelper.getHelper(parentClass);

try {
@@ -557,9 +568,9 @@ public class ProjectHelper {
UnknownElement uc = new UnknownElement(elementName);
uc.setProject(project);
((UnknownElement) parent).addChild(uc);
// Set this parameters just in case is a Task
uc.setTaskType(elementName);
uc.setTaskName(elementName);
// Set this parameters just in case is a Task
uc.setTaskType(elementName);
uc.setTaskName(elementName);
child = uc;
} else {
child = ih.createElement(project, parent, elementName);
@@ -594,7 +605,7 @@ public class ProjectHelper {

public void startElement(String name, AttributeList attrs) throws SAXParseException {
if (child instanceof TaskContainer) {
// taskcontainer nested element can contain other tasks - no other
// taskcontainer nested element can contain other tasks - no other
// nested elements possible
new TaskHandler(this, (TaskContainer)child, childWrapper, target).init(name, attrs);
}
@@ -604,39 +615,64 @@ public class ProjectHelper {
}
}

/**
* Handler to perform appropriate semantics for the special
* <description> element on tasks.
*/
private class DescriptionHandler extends AbstractHandler {

public DescriptionHandler(DocumentHandler parent) {
super(parent);
}

public void init(String tag, AttributeList attrs) throws SAXParseException {
if (attrs.getLength() > 0) {
throw new SAXParseException("No attributes allowed on " + tag, locator);
}
}

public void characters(char[] buf, int start, int end) throws SAXParseException {
String desc = project.getDescription();
if (desc == null) {
desc = "";
}
project.setDescription(desc + new String(buf, start, end));
}
}

/**
* Special target type for top level Tasks and Datatypes.
* This will allow eliminating special cases.
*/
private class InmediateTarget extends Target {
/**
* Create a target for a top level task or datatype.
* @param name the name of the task to be run on this target.
*/
InmediateTarget(String name) {
super();
setProject(project);
setName("Top level " + name);
}
/**
* Create a target for a top level task or datatype.
* @param name the name of the task to be run on this target.
*/
InmediateTarget(String name) {
super();
setProject(project);
setName("Top level " + name);
}
}

public static void configure(Object target, AttributeList attrs,
public static void configure(Object target, AttributeList attrs,
Project project) throws BuildException {
if( target instanceof RoleAdapter ) {
target=((RoleAdapter)target).getProxy();
}

IntrospectionHelper ih =
IntrospectionHelper ih =
IntrospectionHelper.getHelper(target.getClass());

project.addBuildListener(ih);

for (int i = 0; i < attrs.getLength(); i++) {
// reflect these into the target
String value=replaceProperties(project, attrs.getValue(i),
String value=replaceProperties(project, attrs.getValue(i),
project.getProperties() );
try {
ih.setAttribute(project, target,
ih.setAttribute(project, target,
attrs.getName(i).toLowerCase(Locale.US), value);

} catch (BuildException be) {
@@ -674,7 +710,7 @@ public class ProjectHelper {
}

/**
* Stores a configured child element into its parent object
* Stores a configured child element into its parent object
*/
public static void storeChild(Project project, Object parent, Object child, String tag) {
IntrospectionHelper ih = IntrospectionHelper.getHelper(parent.getClass());
@@ -719,23 +755,23 @@ public class ProjectHelper {
if (!keys.containsKey(propertyName)) {
project.log("Property ${" + propertyName + "} has not been set", Project.MSG_VERBOSE);
}
fragment = (keys.containsKey(propertyName)) ? (String) keys.get(propertyName)
: "${" + propertyName + "}";
fragment = (keys.containsKey(propertyName)) ? (String) keys.get(propertyName)
: "${" + propertyName + "}";
}
sb.append(fragment);
}
}
return sb.toString();
}

/**
* This method will parse a string containing ${value} style
* This method will parse a string containing ${value} style
* property values into two lists. The first list is a collection
* of text fragments, while the other is a set of string property names
* null entries in the first list indicate a property reference from the
* second list.
*/
public static void parsePropertyString(String value, Vector fragments, Vector propertyRefs)
public static void parsePropertyString(String value, Vector fragments, Vector propertyRefs)
throws BuildException {
int prev = 0;
int pos;
@@ -754,7 +790,7 @@ public class ProjectHelper {
} else {
int endName = value.indexOf('}', pos);
if (endName < 0) {
throw new BuildException("Syntax error in property: "
throw new BuildException("Syntax error in property: "
+ value );
}
String propertyName = value.substring(pos + 2, endName);
@@ -779,17 +815,17 @@ public class ProjectHelper {

/**
* Scan AttributeList for the id attribute and maybe add a
* reference to project.
* reference to project.
*
* <p>Moved out of {@link #configure configure} to make it happen
* at parser time.</p>
* at parser time.</p>
*/
private void configureId(Object target, AttributeList attr) {
String id = attr.getValue("id");
if (id != null) {
if( target instanceof RoleAdapter ) {
((RoleAdapter)target).setId(id);
}
if( target instanceof RoleAdapter ) {
((RoleAdapter)target).setId(id);
}
project.addReference(id, target);
}
}


+ 5
- 0
proposal/sandbox/antlib/src/main/org/apache/tools/ant/RoleAdapter.java View File

@@ -55,6 +55,11 @@ package org.apache.tools.ant;

public interface RoleAdapter {

/**
* Obtain the id in case it is needed.
*/
public void setId(String id);

/**
* Set the object being adapted.
* @param o the object being adapted


+ 358
- 288
proposal/sandbox/antlib/src/main/org/apache/tools/ant/SymbolTable.java View File

@@ -54,6 +54,7 @@
package org.apache.tools.ant;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.*;
@@ -64,7 +65,7 @@ public class SymbolTable {

/** Parent symbol table */
private SymbolTable parentTable;
/** Project associated with this symbol table */
private Project project;

@@ -82,8 +83,8 @@ public class SymbolTable {
/**
* Parameters for checking adapters.
*/
private static final Class[] CHECK_ADAPTER_PARAMS =
new Class[]{Class.class, Project.class};
private static final Class[] CHECK_ADAPTER_PARAMS =
new Class[]{Class.class, Project.class};

/**
* Create a top level Symbol table.
@@ -96,8 +97,8 @@ public class SymbolTable {
* from that defined in the calling Project.
* @param p the calling project
*/
public SymbolTable(Project p) {
parentTable = p.getSymbols();
public SymbolTable(SymbolTable st) {
parentTable = st;
}

/**
@@ -105,7 +106,55 @@ public class SymbolTable {
* @param p the project for this symbol table
*/
public void setProject(Project p) {
this.project = p;
this.project = p;
}

/**
* Get the specified loader for the project.
* @param name the name of the loader
* @return the corresponding ANT classloader
*/
private AntClassLoader getLoader(String name) {
AntClassLoader cl = (AntClassLoader) loaders.get(name);
if (cl == null && parentTable != null) {
return parentTable.getLoader(name);
}
return cl;
}

/**
* Add the specified class-path to a loader.
* If the loader is defined in an ancestor project then a new
* classloader inheritin from the one already existing
* will be created, otherwise the path willbe added to the existing
* ClassLoader.
* @param name the name of the loader to use.
* @param clspath the path to be added to the classloader
*/
public ClassLoader addToLoader(String name, Path clspath) {
// Find if the loader is already defined in the current project
AntClassLoader cl = (AntClassLoader) loaders.get(name);
if (cl == null) {
// Is it inherited from the calling project
if (parentTable != null) {
cl = parentTable.getLoader(name);
}
cl = new AntClassLoader(cl, project, clspath, true);
loaders.put(name, cl);
}
else {
// Add additional path to the existing definition
String[] pathElements = clspath.list();
for (int i = 0; i < pathElements.length; ++i) {
try {
cl.addPathElement(pathElements[i]);
}
catch (BuildException e) {
// ignore path elements invalid relative to the project
}
}
}
return cl;
}

/**
@@ -115,9 +164,9 @@ public class SymbolTable {
* @return an array of roles supported by the class
*/
public String[] findRoles(final Class clz) {
Vector list = new Vector();
findRoles(clz, list);
return (String[])list.toArray(new String[list.size()]);
Vector list = new Vector();
findRoles(clz, list);
return (String[])list.toArray(new String[list.size()]);
}

/**
@@ -126,27 +175,27 @@ public class SymbolTable {
* @param list the roles collected up to this point
*/
private void findRoles(final Class clz, Vector list) {
for (Enumeration e = roles.keys(); e.hasMoreElements();) {
String role = (String) e.nextElement();
if (((Role) roles.get(role)).isImplementedBy(clz)) {
list.addElement(role);
}
}
if (parentTable != null) findRoles(clz, list);
for (Enumeration e = roles.keys(); e.hasMoreElements();) {
String role = (String) e.nextElement();
if (((Role) roles.get(role)).isImplementedBy(clz)) {
list.addElement(role);
}
}
if (parentTable != null) parentTable.findRoles(clz, list);
}
/**
* Get the Role definition
* @param role the name of the role
* @return the method used to support objects on this role
* @return the Role description
*/
public Role getRole(String role) {
Role r = (Role) roles.get(role);
if (r == null && parentTable != null) {
return parentTable.getRole(role);
}
return r;
Role r = (Role) roles.get(role);
if (r == null && parentTable != null) {
return parentTable.getRole(role);
}
return r;
}

/**
@@ -157,126 +206,19 @@ public class SymbolTable {
* @return whether the role replaced a different definition
*/
public boolean addRole(String role, Class rclz, Class aclz) {
// Check if role already declared
Role old = getRole(role);
if (old != null && old.isSameAsFor(rclz, aclz)
) {
project.log("Ignoring override for role " + role
+ ", it is already defined by the same definition.",
project.MSG_VERBOSE);
return false;
}
// Role interfaces should only contain one method
roles.put(role, new Role(rclz, aclz));
return (old != null);
}

/**
* Verify if the interface is valid.
* @param clz the interface to validate
* @return the method defined by the interface
*/
private Method validInterface(Class clz) {
Method m[] = clz.getDeclaredMethods();
if (m.length == 1
&& java.lang.Void.TYPE.equals(m[0].getReturnType())) {
Class args[] = m[0].getParameterTypes();
if (args.length == 1
&& !java.lang.String.class.equals(args[0])
&& !args[0].isArray()
&& !args[0].isPrimitive()) {
return m[0];
}
else {
throw new BuildException("Invalid role interface method in: "
+ clz.getName());
}
}
else {
throw new BuildException("More than one method on role interface");
}
}

/**
* Verify if the adapter is valid with respect to the interface.
* @param clz the class adapter to validate
* @param mtd the method whose only argument must match
* @return the static method to use for validating adaptees
*/
private Method validAdapter(Class clz, Method mtd) {
if (clz == null) return null;
checkClass(clz);
if (!mtd.getParameterTypes()[0].isAssignableFrom(clz)) {
String msg = "Adapter " + clz.getName() +
" is incompatible with role interface " +
mtd.getDeclaringClass().getName();
throw new BuildException(msg);
}
String msg = "Class " + clz.getName() + " is not an adapter: ";
if (!RoleAdapter.class.isAssignableFrom(clz)) {
throw new BuildException(msg + "does not implement RoleAdapter");
}
try {
Method chk = clz.getMethod("checkClass", CHECK_ADAPTER_PARAMS);
if (!Modifier.isStatic(chk.getModifiers())) {
throw new BuildException(msg + "checkClass() is not static");
}
return chk;
}
catch(NoSuchMethodException nme){
throw new BuildException(msg + "checkClass() not found", nme);
}
}

/**
* Get the specified loader for the project.
* @param name the name of the loader
* @return the corresponding ANT classloader
*/
private AntClassLoader getLoader(String name) {
AntClassLoader cl = (AntClassLoader) loaders.get(name);
if (cl == null && parentTable != null) {
return parentTable.getLoader(name);
}
return cl;
// Check if role already declared
Role old = getRole(role);
if (old != null && old.isSameAsFor(rclz, aclz)) {
project.log("Ignoring override for role " + role
+ ", it is already defined by the same definition.",
project.MSG_VERBOSE);
return false;
}
// Role interfaces should only contain one method
roles.put(role, new Role(rclz, aclz));
return (old != null);
}

/**
* Add the specified class-path to a loader.
* If the loader is defined in an ancestor project then a new
* classloader inheritin from the one already existing
* will be created, otherwise the path willbe added to the existing
* ClassLoader.
* @param name the name of the loader to use.
* @param clspath the path to be added to the classloader
*/
public ClassLoader addToLoader(String name, Path clspath) {
// Find if the loader is already defined in the current project
AntClassLoader cl = (AntClassLoader) loaders.get(name);
if (cl == null) {
// Is it inherited from the calling project
if (parentTable != null) {
cl = parentTable.getLoader(name);
}
cl = new AntClassLoader(cl, project, clspath, true);
loaders.put(name, cl);
}
else {
// Add additional path to the existing definition
String[] pathElements = clspath.list();
for (int i = 0; i < pathElements.length; ++i) {
try {
cl.addPathElement(pathElements[i]);
}
catch (BuildException e) {
// ignore path elements invalid relative to the project
}
}
}
return cl;
}
/**
* Add a new type of element to a role.
* @param role the role for this Class.
@@ -285,46 +227,53 @@ public class SymbolTable {
* @return the old definition
*/
public Class add(String role, String name, Class clz) {
// Find the role definition
Role r = getRole(role);
if (r == null) {
throw new BuildException("Unknown role: " + role);
}
// Check if it is already defined
Class old = get(role, name);
if (old != null) {
if (old.equals(clz)) {
project.log("Ignoring override for "+ role + " " + name
+ ", it is already defined by the same class.",
project.MSG_VERBOSE);
return old;
}
else {
// Find the role definition
Role r = getRole(role);
if (r == null) {
throw new BuildException("Unknown role: " + role);
}
// Check if it is already defined
Factory old = get(role, name);
if (old != null) {
if (old.getOriginalClass().equals(clz)) {
project.log("Ignoring override for "+ role + " " + name
+ ", it is already defined by the same class.",
project.MSG_VERBOSE);
return old.getOriginalClass();
}
else {
project.log("Trying to override old definition of " +
role + " " + name,
project.MSG_WARN);
}
}
checkClass(clz);
// Check that the Class is compatible with the role definition
r.verifyAdaptability(role, clz);
// Record the new type
Hashtable defTable = (Hashtable)defs.get(role);
if (defTable == null) {
defTable = new Hashtable();
defs.put(role, defTable);
}
defTable.put(name, clz);
return old;
role + " " + name,
project.MSG_WARN);
}
}
Factory f = checkClass(clz);
// Check that the Class is compatible with the role definition
f = r.verifyAdaptability(role, f);
// Record the new type
Hashtable defTable = (Hashtable)defs.get(role);
if (defTable == null) {
defTable = new Hashtable();
defs.put(role, defTable);
}
defTable.put(name, f);

String msg =
" +User " + role + ": " + name + " " + clz.getName();
project.log(msg, project.MSG_DEBUG);
return (old != null ? old.getOriginalClass() : null);
}

/**
* Checks a class, whether it is suitable for serving in ANT.
* @return the factory to use when instantiating the class
* @throws BuildException and logs as Project.MSG_ERR for
* conditions, that will cause execution to fail.
*/
void checkClass(final Class clz)
throws BuildException {
Factory checkClass(final Class clz) // Package on purpose
throws BuildException {
if (clz == null) return null;

if(!Modifier.isPublic(clz.getModifiers())) {
final String message = clz + " is not public";
project.log(message, Project.MSG_ERR);
@@ -336,21 +285,53 @@ public class SymbolTable {
throw new BuildException(message);
}
try {
// Class can have a "no arg" constructor or take a single
// Class can have a "no arg" constructor or take a single
// Project argument.
// don't have to check for public, since
// getConstructor finds public constructors only.
try {
clz.getConstructor(new Class[0]);
return new Factory(){
public Object create(Project p) {
try {
return clz.newInstance();
}
catch(Exception e) {
throw new BuildException(e);
}
}

public Class getOriginalClass() {
return clz;
}
};
} catch (NoSuchMethodException nse) {
clz.getConstructor(new Class[] {Project.class});
final Constructor c =
clz.getConstructor(new Class[] {Project.class});
return new Factory(){
public Object create(Project p) {
try {
return c.newInstance(new Object[]{p});
}
catch(Exception e) {
throw new BuildException(e);
}
}

public Class getOriginalClass() {
return clz;
}
};
}
} catch(NoSuchMethodException e) {
final String message =
"No valid public constructor in " + clz;
final String message = "No valid public constructor in " + clz;
project.log(message, Project.MSG_ERR);
throw new BuildException(message);
}
catch (NoClassDefFoundError ncdfe) {
final String msg = "Class cannot be loaded: " + ncdfe.getMessage();
throw new BuildException(msg, ncdfe);
}
}

/**
@@ -359,32 +340,25 @@ public class SymbolTable {
* @param name the name of the element to sea
* @return the Class implementation
*/
public Class get(String role, String name) {
Hashtable defTable = (Hashtable)defs.get(role);
if (defTable != null) {
Class clz = (Class)defTable.get(name);
if (clz != null) return clz;
}
if (parentTable != null) {
return parentTable.get(role, name);
}
return null;
}

/**
* Get a Hashtable that is usable for manipulating Tasks,
* @return a Hashtable that delegates to the Symbol table.
*/
public Hashtable getTaskDefinitions() {
return new SymbolHashtable("task");
public Factory get(String role, String name) {
Hashtable defTable = (Hashtable)defs.get(role);
if (defTable != null) {
Factory f = (Factory)defTable.get(name);
if (f != null) return f;
}
if (parentTable != null) {
return parentTable.get(role, name);
}
return null;
}

/**
* Get a Hashtable that is usable for manipulating Datatypes,
* Get a Hashtable that is usable for manipulating elements on Role.
* @param role the role of the elements in the table
* @return a Hashtable that delegates to the Symbol table.
*/
public Hashtable getDataTypeDefinitions() {
return new SymbolHashtable("datatype");
Hashtable getDefinitions(String role) { // package scope on purpose
return new SymbolHashtable(role);
}

/**
@@ -392,100 +366,196 @@ public class SymbolTable {
* the search operations to the Symbol table
*/
private class SymbolHashtable extends Hashtable {
final String role;
SymbolHashtable(String role) {
this.role = role;
}

public synchronized Object put(Object key, Object value) {
return SymbolTable.this.add(role, (String) key, (Class) value);
}

public synchronized Object get(Object key) {
return SymbolTable.this.get(role, (String)key);
}
final String role;
SymbolHashtable(String role) {
this.role = role;
}

public synchronized Object put(Object key, Object value) {
return SymbolTable.this.add(role, (String) key, (Class) value);
}

public synchronized Object get(Object key) {
Factory f = SymbolTable.this.get(role, (String)key);
return (f == null? null : f.getOriginalClass());
}
}

/**
* Factory for creating ANT objects.
* Class objects are not instanciated directly but through a Factory
* which is able to resolve issues such as proxys and such.
*/
public static interface Factory {
/**
* Creates an object for the Role
* @param the project in which it is created
* @return the instantiated object with a proxy if necessary
*/
public Object create(Project p);

/**
* Creates an object for the Role, adapted if necessary
* for a particular interface.
*/
// public Object adaptFor(Class clz, Project p, Object o);

/**
* The original class of the object without proxy.
*/
public Class getOriginalClass();
}

/**
* The definition of a role
*/
public class Role {
private Method interfaceMethod;
private Method adapterVerifier;
/**
* Creates a new Role object
* @param roleClz the class that defines the role
* @param adapterClz the class for the adapter, or null if none
*/
Role(Class roleClz, Class adapterClz) {
interfaceMethod = validInterface(roleClz);
adapterVerifier = validAdapter(adapterClz, interfaceMethod);
}

/**
* Get the method used to set on interface
*/
public Method getInterfaceMethod() {
return interfaceMethod;
}

/**
* Instantiate a new adapter for this role.
*/
public RoleAdapter createAdapter() {
if (adapterVerifier == null) return null;
try {
return (RoleAdapter)
adapterVerifier.getDeclaringClass().newInstance();
}
catch(BuildException be) {
throw be;
}
catch(Exception e) {
throw new BuildException(e);
}
}
/**
* Verify if the class can be adapted to use by the role
* @param role the name of the role to verify
* @param clz the class to verify
*/
public void verifyAdaptability(String role, Class clz) {
if (interfaceMethod.getParameterTypes()[0].isAssignableFrom(clz)) {
return;
}
if (adapterVerifier == null) {
String msg = "Class " + clz.getName() +
" incompatible with role: " + role;
throw new BuildException(msg);
}
try {
try {
adapterVerifier.invoke(null,
new Object[]{clz, project});
}
catch (InvocationTargetException ite) {
throw ite.getTargetException();
}
}
catch(BuildException be) { throw be; }
catch(Error err) {throw err; }
catch(Throwable t) {
throw new BuildException(t);
}
}
public boolean isSameAsFor(Class clz, Class pclz) {
return interfaceMethod.getDeclaringClass().equals(clz) &&
((adapterVerifier == null && pclz == null) ||
adapterVerifier.getDeclaringClass().equals(pclz));
}

public boolean isImplementedBy(Class clz) {
return interfaceMethod.getDeclaringClass().isAssignableFrom(clz);
}
private Method interfaceMethod;
private Method adapterVerifier;
private Factory adapterFactory;

/**
* Creates a new Role object
* @param roleClz the class that defines the role
* @param adapterClz the class for the adapter, or null if none
*/
Role(Class roleClz, Class adapterClz) {
interfaceMethod = validInterface(roleClz);
adapterFactory = checkClass(adapterClz);
adapterVerifier = validAdapter(adapterClz, interfaceMethod);
}

/**
* Get the method used to set on interface
*/
public Method getInterfaceMethod() {
return interfaceMethod;
}

/**
* Instantiate a new adapter for this role.
*/
public RoleAdapter createAdapter(Project p) {
if (adapterFactory == null) return null;

try {
return (RoleAdapter) adapterFactory.create(p);
}
catch(BuildException be) {
throw be;
}
catch(Exception e) {
throw new BuildException(e);
}
}

/**
* Verify if the class can be adapted to use by the role
* @param role the name of the role to verify
* @param f the factory for the class to verify
*/
public Factory verifyAdaptability(String role, final Factory f) {
final Class clz = f.getOriginalClass();
if (interfaceMethod.getParameterTypes()[0].isAssignableFrom(clz)) {
return f;
}
if (adapterVerifier == null) {
String msg = "Class " + clz.getName() +
" incompatible with role: " + role;
throw new BuildException(msg);
}
try {
try {
adapterVerifier.invoke(null, new Object[]{clz, project});
return new Factory(){
public Object create(Project p) {
RoleAdapter ra = createAdapter(p);
ra.setProxy(f.create(p));
return ra;
}

public Class getOriginalClass() {
return clz;
}
};
}
catch (InvocationTargetException ite) {
throw ite.getTargetException();
}
}
catch(BuildException be) { throw be; }
catch(Error err) {throw err; }
catch(Throwable t) {
throw new BuildException(t);
}
}

public boolean isSameAsFor(Class clz, Class pclz) {
return interfaceMethod.getDeclaringClass().equals(clz) &&
((adapterVerifier == null && pclz == null) ||
adapterVerifier.getDeclaringClass().equals(pclz));
}

public boolean isImplementedBy(Class clz) {
return interfaceMethod.getDeclaringClass().isAssignableFrom(clz);
}

/**
* Verify if the interface is valid.
* @param clz the interface to validate
* @return the method defined by the interface
*/
private Method validInterface(Class clz) {
Method m[] = clz.getDeclaredMethods();
if (m.length == 1
&& java.lang.Void.TYPE.equals(m[0].getReturnType())) {
Class args[] = m[0].getParameterTypes();
if (args.length == 1
&& !java.lang.String.class.equals(args[0])
&& !args[0].isArray()
&& !args[0].isPrimitive()) {
return m[0];
}
else {
throw new BuildException("Invalid role interface method in: "
+ clz.getName());
}
}
else {
throw new BuildException("More than one method on role interface");
}
}

/**
* Verify if the adapter is valid with respect to the interface.
* @param clz the class adapter to validate
* @param mtd the method whose only argument must match
* @return the static method to use for validating adaptees
*/
private Method validAdapter(Class clz, Method mtd) {
if (clz == null) return null;

if (!mtd.getParameterTypes()[0].isAssignableFrom(clz)) {
String msg = "Adapter " + clz.getName() +
" is incompatible with role interface " +
mtd.getDeclaringClass().getName();
throw new BuildException(msg);
}
String msg = "Class " + clz.getName() + " is not an adapter: ";
if (!RoleAdapter.class.isAssignableFrom(clz)) {
throw new BuildException(msg + "does not implement RoleAdapter");
}
try {
Method chk = clz.getMethod("checkClass", CHECK_ADAPTER_PARAMS);
if (!Modifier.isStatic(chk.getModifiers())) {
throw new BuildException(msg + "checkClass() is not static");
}
return chk;
}
catch(NoSuchMethodException nme){
throw new BuildException(msg + "checkClass() not found", nme);
}
}

}
}

+ 22
- 14
proposal/sandbox/antlib/src/main/org/apache/tools/ant/TaskAdapter.java View File

@@ -1,7 +1,7 @@
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -9,7 +9,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -17,15 +17,15 @@
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Ant", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
@@ -55,6 +55,7 @@
package org.apache.tools.ant;

import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;



@@ -68,7 +69,7 @@ import java.lang.reflect.Method;
public class TaskAdapter extends Task implements RoleAdapter {

Object proxy;
/**
* Checks a class, whether it is suitable to be adapted by TaskAdapter.
*
@@ -81,15 +82,15 @@ public class TaskAdapter extends Task implements RoleAdapter {
* Logs other suspicious conditions with Project.MSG_WARN.
*/
public static void checkTaskClass(final Class taskClass, final Project project) {
// This code is for backward compatibility
checkClass(taskClass, project);
// This code is for backward compatibility
checkClass(taskClass, project);
}

/**
* Checks a class, whether it is suitable to be adapted.
*
* Checks conditions only, which are additionally required for a tasks
* adapted by TaskAdapter.
* adapted by TaskAdapter.
*
* Throws a BuildException and logs as Project.MSG_ERR for
* conditions, that will cause the task execution to fail.
@@ -114,7 +115,7 @@ public class TaskAdapter extends Task implements RoleAdapter {
throw new BuildException(message);
}
}
/**
* Do the execution.
*/
@@ -122,7 +123,7 @@ public class TaskAdapter extends Task implements RoleAdapter {
Method setProjectM = null;
try {
Class c = proxy.getClass();
setProjectM =
setProjectM =
c.getMethod( "setProject", new Class[] {Project.class});
if(setProjectM != null) {
setProjectM.invoke(proxy, new Object[] {project});
@@ -131,7 +132,7 @@ public class TaskAdapter extends Task implements RoleAdapter {
// ignore this if the class being used as a task does not have
// a set project method.
} catch( Exception ex ) {
log("Error setting project in " + proxy.getClass(),
log("Error setting project in " + proxy.getClass(),
Project.MSG_ERR);
throw new BuildException( ex );
}
@@ -146,14 +147,20 @@ public class TaskAdapter extends Task implements RoleAdapter {
throw new BuildException("No public execute() in " + proxy.getClass());
}
executeM.invoke(proxy, null);
return;
return;
} catch( InvocationTargetException ite ) {
Throwable t = ite.getTargetException();
if (t instanceof BuildException) {
throw (BuildException) t;
}
throw new BuildException(t);
} catch( Exception ex ) {
log("Error in " + proxy.getClass(), Project.MSG_ERR);
throw new BuildException( ex );
}

}
/**
* Set the target object class
*/
@@ -165,4 +172,5 @@ public class TaskAdapter extends Task implements RoleAdapter {
return this.proxy ;
}

public void setId(String id) {}
}

+ 1
- 23
proposal/sandbox/antlib/src/main/org/apache/tools/ant/taskdefs/Ant.java View File

@@ -138,10 +138,8 @@ public class Ant extends Task {
}

public void init() {
newProject = new Project(project);
newProject = project.createSubProject();
newProject.setJavaVersionProperty();
// newProject.addTaskDefinition("property",
// (Class)project.getTaskDefinitions().get("property"));
}

private void reinit() {
@@ -185,26 +183,6 @@ public class Ant extends Task {
}
}

// Hashtable taskdefs = project.getTaskDefinitions();
// Enumeration et = taskdefs.keys();
// while (et.hasMoreElements()) {
// String taskName = (String) et.nextElement();
// if (taskName.equals("property")) {
// // we have already added this taskdef in #init
// continue;
// }
// Class taskClass = (Class) taskdefs.get(taskName);
// newProject.addTaskDefinition(taskName, taskClass);
// }

// Hashtable typedefs = project.getDataTypeDefinitions();
// Enumeration e = typedefs.keys();
// while (e.hasMoreElements()) {
// String typeName = (String) e.nextElement();
// Class typeClass = (Class) typedefs.get(typeName);
// newProject.addDataTypeDefinition(typeName, typeClass);
// }

// set user-defined or all properties from calling project
Hashtable prop1;
if (inheritAll) {


+ 9
- 5
proposal/sandbox/antlib/src/main/org/apache/tools/ant/taskdefs/Antjar.java View File

@@ -104,7 +104,8 @@ public class Antjar extends Jar {
public void setAntxml(File descriptor) {
libraryDescriptor = descriptor;
if (!libraryDescriptor.exists()) {
throw new BuildException("Deployment descriptor: " + libraryDescriptor + " does not exist.");
throw new BuildException("Deployment descriptor: " +
libraryDescriptor + " does not exist.");
}

// Create a ZipFileSet for this file, and pass it up.
@@ -127,7 +128,8 @@ public class Antjar extends Jar {
throws IOException, BuildException {
// If no antxml file is specified, it's an error.
if (libraryDescriptor == null) {
throw new BuildException("antxml attribute is required", location);
throw new BuildException("antxml attribute is required",
location);
}

super.initZipOutputStream(zOut);
@@ -149,10 +151,12 @@ public class Antjar extends Jar {
// meaning the same file is specified by the "antxml" attribute and in
// a <fileset> element.
if (vPath.equalsIgnoreCase(Antlib.ANT_DESCRIPTOR)) {
if (libraryDescriptor == null || !libraryDescriptor.equals(file) || descriptorAdded) {
if (libraryDescriptor == null ||
!libraryDescriptor.equals(file) || descriptorAdded) {
log("Warning: selected " + archiveType + " files include a " +
Antlib.ANT_DESCRIPTOR + " which will be ignored " +
"(please use antxml attribute to " + archiveType + " task)", Project.MSG_WARN);
Antlib.ANT_DESCRIPTOR + " which will be ignored " +
"(please use antxml attribute to " + archiveType +
" task)", Project.MSG_WARN);
}
else {
super.zipFile(file, zOut, vPath);


+ 426
- 256
proposal/sandbox/antlib/src/main/org/apache/tools/ant/taskdefs/Antlib.java View File

@@ -55,12 +55,14 @@ package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.*;
import org.apache.tools.ant.types.*;
import org.apache.tools.ant.taskdefs.*;
import org.xml.sax.*;
import javax.xml.parsers.*;

import java.util.*;
import java.util.zip.*;
import java.io.*;
import java.net.*;

/**
* Make available the tasks and types from an Ant library. <pre>
@@ -76,16 +78,18 @@ import java.io.*;
* @since ant1.5
*/
public class Antlib extends Task {

/**
* Location of descriptor in library
*/
public static final String ANT_DESCRIPTOR = "META-INF/antlib.xml";

/**
* The named classloader to use.
* Defaults to the default classLoader.
*/
private String loaderId = "";

/**
* library attribute
*/
private String library = null;
/**
* file attribute
*/
@@ -95,62 +99,200 @@ public class Antlib extends Task {
*/
private boolean override = false;
/**
* attribute to control classloader use
* attribute to control failure when loading
*/
private boolean useCurrentClassloader = false;
private FailureAction onerror = new FailureAction();

/**
* classpath to build up
*/
private Path classpath = null;

/**
* the manufacture set of classes to load
*/
private Path loaderPath = null;

/**
* our little xml parse
*/
private SAXParserFactory saxFactory;
/**
* table of aliases
*/
private Vector aliases = new Vector();

/**
* Location of descriptor in library
* Some internal constants.
*/
public static String ANT_DESCRIPTOR = "META-INF/antlib.xml";
private static final int FAIL = 0, REPORT = 1, IGNORE = 2;

/**
* Prefix name for DTD of descriptor
*/
public static String ANTLIB_DTD_URL =
"http://jakarta.apache.org/ant/";
/**
* prefix of the antlib
*/
public static String ANTLIB_DTD_PREFIX = "Antlib-V";
/**
* version counter
* Posible actions when classes are not found
*/
public static String ANTLIB_DTD_VERSION = "1_0";
/**
* dtd file extension
*/
public static String ANTLIB_DTD_EXT = ".dtd";
public static class FailureAction extends EnumeratedAttribute {
public String[] getValues() {
return new String[]{"fail", "report", "ignore"};
}
}

private static class DescriptorEnumeration implements Enumeration {

/**
* The name of the resource being searched for.
*/
private String resourceName;

/**
* The index of the next file to search.
*/
private int index;

/**
* The list of files to search
*/
private File files[];

/**
* The URL of the next resource to return in the enumeration. If this
* field is <code>null</code> then the enumeration has been completed,
* i.e., there are no more elements to return.
*/
private URL nextDescriptor;

/**
* Construct a new enumeration of resources of the given name found
* within this class loader's classpath.
*
* @param name the name of the resource to search for.
*/
DescriptorEnumeration(String fileNames[], String name) {
this.resourceName = name;
this.index = 0;
this.files = new File[fileNames.length];
for (int i = 0; i < files.length; i++) {
files[i] = new File(fileNames[i]);
}
findNextDescriptor();
}

/**
* Indicates whether there are more elements in the enumeration to
* return.
*
* @return <code>true</code> if there are more elements in the
* enumeration; <code>false</code> otherwise.
*/
public boolean hasMoreElements() {
return (this.nextDescriptor != null);
}

/**
* Returns the next resource in the enumeration.
*
* @return the next resource in the enumeration.
*/
public Object nextElement() {
URL ret = this.nextDescriptor;
findNextDescriptor();
return ret;
}

/**
* Locates the next descriptor of the correct name in the files and
* sets <code>nextDescriptor</code> to the URL of that resource. If no
* more resources can be found, <code>nextDescriptor</code> is set to
* <code>null</code>.
*/
private void findNextDescriptor() {
URL url = null;
while (index < files.length && url == null) {
try {
url = getDescriptorURL(files[index], this.resourceName);
index++;
}
catch (BuildException e) {
// ignore path elements which are not valid relative to the
// project
}
}
this.nextDescriptor = url;
}

/**
* Get an URL to a given resource in the given file which may
* either be a directory or a zip file.
*
* @param file the file (directory or jar) in which to search for
* the resource. Must not be <code>null</code>.
* @param resourceName the name of the resource for which a URL
* is required. Must not be <code>null</code>.
*
* @return a URL to the required resource or <code>null</code> if the
* resource cannot be found in the given file object
* @todo This code is extracted from AntClassLoader.getResourceURL
* I hate when that happens but the code there is too tied to
* the ClassLoader internals. Maybe we can find a nice place
* to put it where both can use it.
*/
private URL getDescriptorURL(File file, String resourceName) {
try {
if (!file.exists()) {
return null;
}

if (file.isDirectory()) {
File resource = new File(file, resourceName);

if (resource.exists()) {
try {
return new URL("file:"+resource.toString());
} catch (MalformedURLException ex) {
return null;
}
}
}
else {
ZipFile zipFile = new ZipFile(file);
try {
ZipEntry entry = zipFile.getEntry(resourceName);
if (entry != null) {
try {
return new URL("jar:file:"+file.toString()+"!/"+entry);
} catch (MalformedURLException ex) {
return null;
}
}
}
finally {
zipFile.close();
}
}
}
catch (Exception e) {
e.printStackTrace();
}

return null;
}

}

/**
* constructor creates a validating sax parser
*/
public Antlib() {
super();
// Default error action
onerror.setValue("report");
saxFactory = SAXParserFactory.newInstance();
saxFactory.setValidating(true);
saxFactory.setValidating(false);
}


/**
* constructor binds to a project as well as setting up internal state
* constructor binds to a project and sets ignore mode on errors
*
* @param p Description of Parameter
*/
@@ -161,12 +303,12 @@ public class Antlib extends Task {


/**
* Set name of library to load. The library is located in $ANT_HOME/lib.
* Set name of library to load. The library is located in $ANT_HOME/antlib.
*
* @param lib the name of library relative to $ANT_HOME/lib.
* @param lib the name of library relative to $ANT_HOME/antlib.
*/
public void setLibrary(String lib) {
this.library = lib;
setFile(libraryFile("antlib", lib));
}


@@ -180,13 +322,13 @@ public class Antlib extends Task {
}

/**
* Set the ClassLoader to use for this library.
* Set the ID of the ClassLoader to use for this library.
*
* @param id the id for the ClassLoader to use,
* if other than the default.
* @param id the id for the ClassLoader to use,
* <code>null</code> means use ANT's core classloader.
*/
public void setLoaderid(String id) {
this.loaderId = id;
this.loaderId = id;
}

/**
@@ -200,15 +342,26 @@ public class Antlib extends Task {


/**
* Set whether to use a new classloader or not.
* Default is <code>false</code>.
* Get what to do if a definition cannot be loaded
* This method is mostly used by the core when loading core tasks.
*
* @return what to do if a definition cannot be loaded
*/
final protected FailureAction getOnerror() {
return this.onerror;
}


/**
* Set whether to fail if a definition cannot be loaded
* Default is <code>true</code>.
* This property is mostly used by the core when loading core tasks.
*
* @param useCurrentClassloader if true the current classloader will
* be used to load the definitions.
* @param failedonerror if true loading will stop if classes
* cannot be instantiated
*/
public void setUseCurrentClassloader(boolean useCurrentClassloader) {
this.useCurrentClassloader = useCurrentClassloader;
public void setOnerror(FailureAction onerror) {
this.onerror = onerror;
}


@@ -262,78 +415,97 @@ public class Antlib extends Task {
}


/**
* Obtain library file from ANT_HOME directory.
*
* @param lib the library name.
* @return the File instance of the library
*/
private File libraryFile(String homeSubDir, String lib) {
// For the time being libraries live in $ANT_HOME/antlib.
// The idea being that not to load all the jars there anymore
String home = project.getProperty("ant.home");

if (home == null) {
throw new BuildException("ANT_HOME not set as required.");
}

return new File(new File(home, homeSubDir), lib);
}

/**
* actually do the work of loading the library
*
* @exception BuildException Description of Exception
* @todo maybe have failonerror support for missing file?
*/
public void execute()
throws BuildException {
File realFile = file;
if (library != null) {
if (file != null) {
String msg = "You cannot specify both file and library.";
throw new BuildException(msg, location);
}
// For the time being libraries live in $ANT_HOME/antlib.
// The idea being that we would not load all the jars there anymore
String home = project.getProperty("ant.home");

if (home == null) {
throw new BuildException("ANT_HOME not set as required.");
}

realFile = new File(new File(home, "antlib"), library);
}
else if (file == null) {
String msg = "Must specify either library or file attribute.";
if (file == null && classpath == null) {
String msg =
"Must specify either library or file attribute or classpath.";
throw new BuildException(msg, location);
}
if (!realFile.exists()) {
String msg = "Cannot find library: " + realFile;
if (file != null && !file.exists()) {
String msg = "Cannot find library: " + file;
throw new BuildException(msg, location);
}

//open the descriptor
InputStream is = getDescriptor(realFile);

if (is == null) {
String msg = "Missing descriptor on library: " + realFile;
throw new BuildException(msg, location);
}
loadDefinitions();
}

ClassLoader classloader=null;
if (useCurrentClassloader && classpath != null) {
log("ignoring the useCurrentClassloader option as a classpath is defined",
Project.MSG_WARN);
useCurrentClassloader=false;
}
if (!useCurrentClassloader) {
classloader = makeClassLoader(realFile);
}

//parse it and evaluate it.
evaluateDescriptor(classloader, processAliases(), is);
/**
* Load definitions in library and classpath
*
* @exception BuildException failure to access the resource
*/
public boolean loadDefinitions() throws BuildException {
return loadDefinitions(ANT_DESCRIPTOR);
}


/**
* Load definitions directly from an external XML file.
* Load definitions from resource name in library and classpath
*
* @param xmlfile XML file in the Antlib format.
* @exception BuildException failure to open the file
* @param res the name of the resources to load
* @exception BuildException failure to access the resource
*/
public void loadDefinitions(File xmlfile)
final protected boolean loadDefinitions(String res)
throws BuildException {
Path path = makeLoaderClasspath();
ClassLoader cl = makeClassLoader(path);
boolean found = false;
try {
InputStream is = new FileInputStream(xmlfile);
loadDefinitions(is);
for (Enumeration e = getDescriptors(path, res); e.hasMoreElements(); ) {
URL resURL = (URL)e.nextElement();
InputStream is = resURL.openStream();
loadDefinitions(cl, is);
found = true;
}
if (!found && onerror.getIndex() != IGNORE) {
String sPath = path.toString();
if ("".equals(sPath.trim())) {
sPath = System.getProperty("java.classpath");
}
String msg = "Cannot find any " + res +
" antlib descriptors in: " + sPath;
switch (onerror.getIndex()) {
case FAIL:
throw new BuildException(msg);
case REPORT:
log(msg, project.MSG_WARN);
}
}
}
catch (IOException io) {
throw new BuildException("Cannot read file: " + file, io);
String msg = "Cannot load definitions from: " + res;
switch (onerror.getIndex()) {
case FAIL:
throw new BuildException(msg, io);
case REPORT:
log(io.getMessage(), project.MSG_WARN);
}
}
return found;
}


@@ -343,46 +515,29 @@ public class Antlib extends Task {
* @param is InputStream for the Antlib descriptor.
* @exception BuildException trouble
*/
public void loadDefinitions(InputStream is)
private void loadDefinitions(ClassLoader cl, InputStream is)
throws BuildException {
evaluateDescriptor(null, processAliases(), is);
evaluateDescriptor(cl, processAliases(), is);
}


/**
* get a descriptor from the library file
* get an Enumeration of URLs for all resouces corresponding to the
* descriptor name.
*
* @param file jarfile to open
* @return input stream to the Descriptor
* @param res the name of the resource to collect
* @return input stream to the Descriptor or null if none existent
* @exception BuildException io trouble, or it isnt a zipfile
*/
private InputStream getDescriptor(File file)
throws BuildException {
try {
final ZipFile zipfile = new ZipFile(file);
ZipEntry entry = zipfile.getEntry(ANT_DESCRIPTOR);

if (entry == null) {
return null;
}

// Guarantee that when Entry is closed so does the zipfile instance.
return
new FilterInputStream(zipfile.getInputStream(entry)) {
public void close()
throws IOException {
super.close();
zipfile.close();
}
};
}
catch (ZipException ze) {
throw new BuildException("Not a library file.", ze, location);
}
catch (IOException ioe) {
throw new BuildException("Cannot read library content.",
ioe, location);
private Enumeration getDescriptors(Path path, final String res)
throws BuildException, IOException {
if (loaderId == null) {
// Path cannot be added to the CoreLoader so simply
// ask for all instances of the resource descriptors
return project.getCoreLoader().getResources(res);
}

return new DescriptorEnumeration(path.list(), res);
}


@@ -410,18 +565,34 @@ public class Antlib extends Task {
* @return classloader using te
* @exception BuildException trouble creating the classloader
*/
protected ClassLoader makeClassLoader(File file)
protected ClassLoader makeClassLoader(Path clspath)
throws BuildException {
if (loaderId == null) {
log("Loading definitions from CORE, <classpath> ignored",
project.MSG_VERBOSE);
return project.getCoreLoader();
}

log("Using ClassLoader '" + loaderId + "' to load path: " + clspath,
project.MSG_VERBOSE);
return project.addToLoader(loaderId, clspath);
}


/**
* Constructs the Path to add to the ClassLoader
*/
private Path makeLoaderClasspath()
{
Path clspath = new Path(project);
clspath.setLocation(file);
if (file != null) clspath.setLocation(file);
//append any build supplied classpath
if (classpath != null) {
clspath.append(classpath);
}
return project.getSymbols().addToLoader(loaderId, clspath);
return clspath;
}


/**
* parse the antlib descriptor
*
@@ -431,8 +602,8 @@ public class Antlib extends Task {
* @exception BuildException trouble
*/
protected void evaluateDescriptor(ClassLoader cl,
Properties als, InputStream is)
throws BuildException {
Properties als, InputStream is)
throws BuildException {
try {
SAXParser saxParser = saxFactory.newSAXParser();
Parser parser = saxParser.getParser();
@@ -440,7 +611,7 @@ public class Antlib extends Task {
InputSource inputSource = new InputSource(is);
//inputSource.setSystemId(uri); //URI is nasty for jar entries
project.log("parsing descriptor for library: " + file,
Project.MSG_VERBOSE);
Project.MSG_VERBOSE);
saxParser.parse(inputSource, new AntLibraryHandler(cl, als));
}
catch (ParserConfigurationException exc) {
@@ -485,8 +656,8 @@ public class Antlib extends Task {


/**
* Parses the document describing the content of the
* library. An inner class for access to Project.log
* Parses the document describing the content of the
* library. An inner class for access to Project.log
*/
private class AntLibraryHandler extends HandlerBase {

@@ -503,13 +674,11 @@ public class Antlib extends Task {
*/
private Locator locator = null;

private int level = 0;

private SymbolTable symbols = null;
private int level = 0;

private String name = null;
private String className = null;
private String adapter = null;
private String name = null;
private String className = null;
private String adapter = null;

/**
* Constructor for the AntLibraryHandler object
@@ -520,7 +689,6 @@ public class Antlib extends Task {
AntLibraryHandler(ClassLoader classloader, Properties als) {
this.classloader = classloader;
this.aliasMap = als;
this.symbols = project.getSymbols();
}

/**
@@ -533,35 +701,35 @@ public class Antlib extends Task {
this.locator = locator;
}

private void parseAttributes(String tag, AttributeList attrs)
throws SAXParseException {
name = null;
className = null;
adapter = null;
for (int i = 0, last = attrs.getLength(); i < last; i++) {
String key = attrs.getName(i);
String value = attrs.getValue(i);
if (key.equals("name")) {
name = value;
}
else if (key.equals("class")) {
className = value;
}
else if ("role".equals(tag) && key.equals("adapter")) {
adapter = value;
}
else {
throw new SAXParseException("Unexpected attribute \""
+ key + "\"", locator);
}
}
if (name == null || className == null) {
String msg = "Underspecified " + tag + " declaration.";
throw new SAXParseException(msg, locator);
}
}
private void parseAttributes(String tag, AttributeList attrs)
throws SAXParseException {
name = null;
className = null;
adapter = null;
for (int i = 0, last = attrs.getLength(); i < last; i++) {
String key = attrs.getName(i);
String value = attrs.getValue(i);
if (key.equals("name")) {
name = value;
}
else if (key.equals("class")) {
className = value;
}
else if ("role".equals(tag) && key.equals("adapter")) {
adapter = value;
}
else {
throw new SAXParseException("Unexpected attribute \""
+ key + "\"", locator);
}
}
if (name == null || className == null) {
String msg = "Underspecified " + tag + " declaration.";
throw new SAXParseException(msg, locator);
}
}

/**
* SAX callback handler
@@ -572,103 +740,105 @@ public class Antlib extends Task {
*/
public void startElement(String tag, AttributeList attrs)
throws SAXParseException {
level ++;
level ++;
if ("antlib".equals(tag)) {
if (level > 1) {
throw new SAXParseException("Unexpected element: " + tag,
locator);
}
if (level > 1) {
throw new SAXParseException("Unexpected element: " + tag,
locator);
}
// No attributes to worry about
return;
}
if (level == 1) {
throw new SAXParseException("Missing antlib root element",
locator);
}

// Must have the two attributes declared
parseAttributes(tag, attrs);

try {
if ("role".equals(tag)) {
if (isRoleInUse(name)) {
String msg = "Cannot override role: " + name;
log(msg, Project.MSG_WARN);
return;
}
// Defining a new role
symbols.addRole(name, loadClass(className),
(adapter == null?
null : loadClass(adapter)));
return;
}

// Defining a new element kind
//check for name alias
String alias = aliasMap.getProperty(name);
if (alias != null) {
name = alias;
}
//catch an attempted override of an existing name
if (!override && isInUse(tag, name)) {
String msg = "Cannot override " + tag + ": " + name;
log(msg, Project.MSG_WARN);
return;
}
symbols.add(tag, name, loadClass(className));
}
catch(BuildException be) {
throw new SAXParseException(be.getMessage(), locator, be);
}
}

public void endElement(String tag) {
level--;
}

private Class loadClass(String className)
throws SAXParseException {
try {
//load the named class
Class cls;
if(classloader==null) {
cls=Class.forName(className);
}
else {
cls=classloader.loadClass(className);
}
return cls;
}
catch (ClassNotFoundException cnfe) {
String msg = "Class " + className +
" cannot be found";
throw new SAXParseException(msg, locator, cnfe);
}
catch (NoClassDefFoundError ncdfe) {
String msg = "Class " + className +
" cannot be found";
throw new SAXParseException(msg, locator);
}
}
if (level == 1) {
throw new SAXParseException("Missing antlib root element",
locator);
}

/**
* test for a name being in use already on this role
*
* @param name the name to test
* @return true if it is a task or a datatype
*/
private boolean isInUse(String role, String name) {
return (symbols.get(role, name) != null);
// Must have the two attributes declared
parseAttributes(tag, attrs);

try {
if ("role".equals(tag)) {
if (project.isRoleDefined(name)) {
String msg = "Cannot override role: " + name;
log(msg, Project.MSG_WARN);
return;
}
// Defining a new role
Class clz = loadClass(className);
if (clz != null) {
project.addRoleDefinition(name, clz,
(adapter == null? null :
loadClass(adapter)));
}
return;
}

// Defining a new element kind
//check for name alias
String alias = aliasMap.getProperty(name);
if (alias != null) {
name = alias;
}
//catch an attempted override of an existing name
if (!override && project.isDefinedOnRole(tag, name)) {
String msg = "Cannot override " + tag + ": " + name;
log(msg, Project.MSG_WARN);
return;
}
Class clz = loadClass(className);
if (clz != null)
project.addDefinitionOnRole(tag, name, clz);
}
catch(BuildException be) {
switch (onerror.getIndex()) {
case FAIL:
throw new SAXParseException(be.getMessage(), locator, be);
case REPORT:
project.log(be.getMessage(), project.MSG_WARN);
break;
default:
project.log(be.getMessage(), project.MSG_DEBUG);
}
}
}

/**
* test for a role name being in use already
*
* @param name the name to test
* @return true if it is a task or a datatype
*/
private boolean isRoleInUse(String name) {
return (symbols.getRole(name) != null);
public void endElement(String tag) {
level--;
}

private Class loadClass(String className)
throws SAXParseException {
String msg = null;
try {
//load the named class
Class cls;
if(classloader==null) {
cls=Class.forName(className);
}
else {
cls=classloader.loadClass(className);
}
return cls;
}
catch (ClassNotFoundException cnfe) {
msg = "Class " + className + " cannot be found";
if (onerror.getIndex() == FAIL)
throw new SAXParseException(msg, locator, cnfe);
}
catch (NoClassDefFoundError ncdfe) {
msg = "Class " + className + " cannot be loaded";
if (onerror.getIndex() == FAIL)
throw new SAXParseException(msg, locator);
}

if (onerror.getIndex() == REPORT) {
project.log(msg, project.MSG_WARN);
}
else {
project.log(msg, project.MSG_DEBUG);
}
return null;
}

//end inner class AntLibraryHandler
@@ -712,7 +882,7 @@ public class Antlib extends Task {
}
//end inner class alias
}
//end class Antlib
}



+ 21
- 3
proposal/sandbox/antlib/src/main/org/apache/tools/ant/types/DataTypeAdapterTask.java View File

@@ -66,6 +66,7 @@ import org.apache.tools.ant.*;
public class DataTypeAdapterTask extends Task implements RoleAdapter {

Object proxy;
String id = null;
/**
* Checks a class, whether it is suitable to be adapted.
@@ -83,14 +84,27 @@ public class DataTypeAdapterTask extends Task implements RoleAdapter {
* Do the execution.
*/
public void execute() throws BuildException {
if (id != null) {
// Need to re-register this reference
// The container has register the Adapter instead
project.addReference(id, proxy);
}
}

/**
* Propagate configuration of Project
*/
public void setProject(Project p) {
super.setProject(p);

// Check to see if the DataType has a setProject method to set
if (proxy instanceof ProjectComponent) {
((ProjectComponent)proxy).setProject(project);
((ProjectComponent)proxy).setProject(p);
return;
}

// This may not be needed
// We are trying to set project even it is was not declared
// We are trying to set project even if is was not declared
// just like TaskAdapter does for beans, this is not done
// by the original code
Method setProjectM = null;
@@ -99,7 +113,7 @@ public class DataTypeAdapterTask extends Task implements RoleAdapter {
setProjectM =
c.getMethod( "setProject", new Class[] {Project.class});
if(setProjectM != null) {
setProjectM.invoke(proxy, new Object[] {project});
setProjectM.invoke(proxy, new Object[] {p});
}
} catch (NoSuchMethodException e) {
// ignore this if the class being used as a task does not have
@@ -122,4 +136,8 @@ public class DataTypeAdapterTask extends Task implements RoleAdapter {
return this.proxy ;
}

public void setId(String id) {
log("Setting adapter id to: " + id, Project.MSG_DEBUG);
this.id = id;
}
}

Write Preview
Loading…
Cancel
Save