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git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274902 13f79535-47bb-0310-9956-ffa450edef68
master
Peter Reilly 22 years ago
parent
3c596d4f5f
commit
cbedf46059
1 changed files with 105 additions and 3 deletions
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  1. +105
    -3
      src/main/org/apache/tools/ant/helper/ProjectHelper2.java

+ 105
- 3
src/main/org/apache/tools/ant/helper/ProjectHelper2.java View File

@@ -102,6 +102,13 @@ public class ProjectHelper2 extends ProjectHelper {
*/
private static FileUtils fu = FileUtils.newFileUtils();

/**
* Parse a source xml input.
*
* @param project the current project
* @param source the xml source
* @exception BuildException if an error occurs
*/
public void parse(Project project, Object source)
throws BuildException {
getImportStack().addElement(source);
@@ -133,6 +140,9 @@ public class ProjectHelper2 extends ProjectHelper {
/**
* Parses the project file, configuring the project as it goes.
*
* @param project the current project
* @param source the xml source
* @param handler the root handler to use (contains the current context)
* @exception BuildException if the configuration is invalid or cannot
* be read
*/
@@ -232,10 +242,13 @@ public class ProjectHelper2 extends ProjectHelper {
* Handles the start of an element. This base implementation does
* nothing.
*
* @param uri the namespace URI for the tag
* @param tag The name of the element being started.
* Will not be <code>null</code>.
* @param qname The qualified name of the element.
* @param attrs Attributes of the element being started.
* Will not be <code>null</code>.
* @param context The context that this element is in.
*
* @exception SAXParseException if this method is not overridden, or in
* case of error in an overridden version
@@ -251,10 +264,14 @@ public class ProjectHelper2 extends ProjectHelper {
* throws an exception - you must override this method if you expect
* child elements.
*
* @param uri The namespace uri for this element.
* @param tag The name of the element being started.
* Will not be <code>null</code>.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element being started.
* Will not be <code>null</code>.
* @param context The current context.
* @return a handler (in the derived classes)
*
* @exception SAXParseException if this method is not overridden, or in
* case of error in an overridden version
@@ -267,6 +284,15 @@ public class ProjectHelper2 extends ProjectHelper {
+ " \"", context.getLocator());
}

/**
* Handle the end of a element.
*
* @param uri the namespace uri of the element
* @param tag the tag of the element
* @param qname the qualified name of the element
* @param context the current context
* @exception SAXParseException if an error occurs
*/
public void onEndChild(String uri, String tag, String qname,
AntXMLContext context)
throws SAXParseException {
@@ -275,6 +301,9 @@ public class ProjectHelper2 extends ProjectHelper {
/**
* Called when this element and all elements nested into it have been
* handled (i.e. at the </end_tag_of_the_element> ).
* @param uri the namespace uri for this element
* @param tag the element name
* @param context the current context
*/
public void onEndElement(String uri, String tag,
AntXMLContext context) {
@@ -288,6 +317,7 @@ public class ProjectHelper2 extends ProjectHelper {
* Will not be <code>null</code>.
* @param start The start element in the array.
* @param count The number of characters to read from the array.
* @param context The current context.
*
* @exception SAXParseException if this method is not overridden, or in
* case of error in an overridden version
@@ -306,6 +336,7 @@ public class ProjectHelper2 extends ProjectHelper {
* Will be called every time a namespace is reached.
* It'll verify if the ns was processed, and if not load the task
* definitions.
* @param uri The namespace uri.
*/
protected void checkNamespace(String uri) {

@@ -322,6 +353,11 @@ public class ProjectHelper2 extends ProjectHelper {
private AntHandler currentHandler = null;
private AntXMLContext context;

/**
* Creates a new RootHandler instance.
*
* @param context The context for the handler.
*/
public RootHandler(AntXMLContext context) {
currentHandler = ProjectHelper2.mainHandler;
antHandlers.push(currentHandler);
@@ -336,6 +372,7 @@ public class ProjectHelper2 extends ProjectHelper {
* implementation.
* @param systemId The system identifier provided in the XML
* document. Will not be <code>null</code>.
* @return an inputsource for this identifier
*/
public InputSource resolveEntity(String publicId,
String systemId) {
@@ -369,8 +406,10 @@ public class ProjectHelper2 extends ProjectHelper {
* Handles the start of a project element. A project handler is created
* and initialised with the element name and attributes.
*
* @param uri The namespace uri for this element.
* @param tag The name of the element being started.
* Will not be <code>null</code>.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element being started.
* Will not be <code>null</code>.
*
@@ -401,8 +440,10 @@ public class ProjectHelper2 extends ProjectHelper {
* by the onEndElement() method and then the original handler
* is restored to the parser.
*
* @param uri The namespace URI for this element.
* @param name The name of the element which is ending.
* Will not be <code>null</code>.
* @param qName The qualified name for this element.
*
* @exception SAXException in case of error (not thrown in
* this implementation)
@@ -417,14 +458,38 @@ public class ProjectHelper2 extends ProjectHelper {
}
}

/**
* Handle text within an element, calls currentHandler.characters.
*
* @param buf A character array of the test.
* @param start The start offset in the array.
* @param count The number of characters to read.
* @exception SAXParseException if an error occurs
*/
public void characters(char[] buf, int start, int count)
throws SAXParseException {
currentHandler.characters(buf, start, count, context);
}
}

/**
* The main handler - it handles the &lt;project&gt; tag.
*
* @see AntHandler
*/
public static class MainHandler extends AntHandler {

/**
* Handle the project tag
*
* @param uri The namespace uri.
* @param name The element tag.
* @param qname The element qualified name.
* @param attrs The attributes of the element.
* @param context The current context.
* @return The project handler that handles subelements of project
* @exception SAXParseException if the qualified name is not "project".
*/
public AntHandler onStartChild(String uri, String name, String qname,
Attributes attrs,
AntXMLContext context)
@@ -454,11 +519,14 @@ public class ProjectHelper2 extends ProjectHelper {
* this handler can deal with are: <code>"default"</code>,
* <code>"name"</code>, <code>"id"</code> and <code>"basedir"</code>.
*
* @param uri The namespace URI for this element.
* @param tag Name of the element which caused this handler
* to be created. Should not be <code>null</code>.
* Ignored in this implementation.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element which caused this
* handler to be created. Must not be <code>null</code>.
* @param context The current context.
*
* @exception SAXParseException if an unexpected attribute is
* encountered or if the <code>"default"</code> attribute
@@ -573,10 +641,14 @@ public class ProjectHelper2 extends ProjectHelper {
* appropriate handler is created and initialised with the details
* of the element.
*
* @param tag The name of the element being started.
* @param uri The namespace URI for this element.
* @param name The name of the element being started.
* Will not be <code>null</code>.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element being started.
* Will not be <code>null</code>.
* @param context The context for this element.
* @return a target or an element handler.
*
* @exception org.xml.sax.SAXParseException if the tag given is not
* <code>"taskdef"</code>, <code>"typedef"</code>,
@@ -609,11 +681,14 @@ public class ProjectHelper2 extends ProjectHelper {
* <code>"unless"</code>, <code>"id"</code> and
* <code>"description"</code>.
*
* @param uri The namespace URI for this element.
* @param tag Name of the element which caused this handler
* to be created. Should not be <code>null</code>.
* Ignored in this implementation.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element which caused this
* handler to be created. Must not be <code>null</code>.
* @param context The current context.
*
* @exception SAXParseException if an unexpected attribute is encountered
* or if the <code>"name"</code> attribute is missing.
@@ -695,10 +770,14 @@ public class ProjectHelper2 extends ProjectHelper {
/**
* Handles the start of an element within a target.
*
* @param tag The name of the element being started.
* @param uri The namespace URI for this element.
* @param name The name of the element being started.
* Will not be <code>null</code>.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element being started.
* Will not be <code>null</code>.
* @param context The current context.
* @return an element handler.
*
* @exception SAXParseException if an error occurs when initialising
* the appropriate child handler
@@ -710,6 +789,14 @@ public class ProjectHelper2 extends ProjectHelper {
return ProjectHelper2.elementHandler;
}

/**
* Handle the end of the project, sets the current target of the
* context to be the implicit target.
*
* @param uri The namespace URI of the element.
* @param tag The name of the element.
* @param context The current context.
*/
public void onEndElement(String uri, String tag, AntXMLContext context) {
context.setCurrentTarget(context.getImplicitTarget());
}
@@ -733,11 +820,13 @@ public class ProjectHelper2 extends ProjectHelper {
* its parent container (if any). Nested elements are then
* added later as the parser encounters them.
*
* @param uri The namespace URI for this element.
* @param tag Name of the element which caused this handler
* to be created. Must not be <code>null</code>.
*
* @param qname The qualified name for this element.
* @param attrs Attributes of the element which caused this
* handler to be created. Must not be <code>null</code>.
* @param context The current context.
*
* @exception SAXParseException in case of error (not thrown in
* this implementation)
@@ -803,6 +892,7 @@ public class ProjectHelper2 extends ProjectHelper {
* Will not be <code>null</code>.
* @param start The start element in the array.
* @param count The number of characters to read from the array.
* @param context The current context.
*
* @exception SAXParseException if the element doesn't support text
*
@@ -820,10 +910,14 @@ public class ProjectHelper2 extends ProjectHelper {
* will always use another task handler, and all other tasks
* will always use a nested element handler.
*
* @param uri The namespace URI for this element.
* @param tag The name of the element being started.
* Will not be <code>null</code>.
* @param qname The qualified name for this element.
* @param attrs Attributes of the element being started.
* Will not be <code>null</code>.
* @param context The current context.
* @return The handler for elements.
*
* @exception SAXParseException if an error occurs when initialising
* the appropriate child handler
@@ -835,6 +929,14 @@ public class ProjectHelper2 extends ProjectHelper {
return ProjectHelper2.elementHandler;
}

/**
* Handles the end of the element. This pops the wrapper from
* the context.
*
* @param uri The namespace URI for the element.
* @param tag The name of the element.
* @param context The current context.
*/
public void onEndElement(String uri, String tag, AntXMLContext context) {
context.popWrapper();
}


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