Tasks for ClearCase support.

Submitted by: Curtis White <soaro77@yahoo.com> git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@268277 13f79535-47bb-0310-9956-ffa450edef68
24 years ago · d2d785c408
--- a/+ 1
+++ b/+ 1
@@ -15,7 +15,7 @@ Other changes:
 * A GUI Frontend: Antidote

 * New tasks: stylebook, propertyfile, depend, antlr, telnet, csc,
  ilasm, transform, javah
  ilasm, transform, javah, several clearcase tasks

 * Added output attribute to <java>.

--- a/docs/clearcase.html
+++ b/docs/clearcase.html
@@ -0,0 +1,259 @@
 <html>

 <head>
 <meta http-equiv="Content-Language" content="en-us">
 <title>Ant</title>
 </head>

 <body>

 <hr>
 <h2><a name="optionaltasks">Optional tasks</a></h2>
 <ul>
  <li><a href="#cccheckin">CCCheckin</a></li>
  <li><a href="#cccheckout">CCCheckout</a></li>
  <li><a href="#ccuncheckout">CCUnCheckout</a></li>
  <li><a href="#ccupdate">CCUpdate</a></li>
 </ul>

 <hr>
 <h2><a name="cccheckin">CCCheckin</a></h2>
 <h3>Description</h3>
 Task to perform a Checkin command to ClearCase.
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <th>Attribute</th>
    <th>Values</th>
    <th>Required</th>
  </tr>
  <tr>
    <td>viewpath</td>
    <td>Path to the ClearCase view file or directory that the command 
        will operate on</td>
    <td>No</td>
  <tr>
  <tr>
    <td>comment</td>
    <td>Specify a comment. Only one of comment or cfile may be used.</td>
    <td>No</td>
  <tr>
  <tr>
    <td>commentfile</td>
    <td>Specify a file containing a comment. Only one of comment or cfile 
        may be used.</td>
    <td>No</td>
  <tr>
  <tr>
    <td>nowarn</td>
    <td>Suppress warning messages</td>
    <td>No</td>
  <tr>
  <tr>
    <td>preservetime</td>
    <td>Preserve the modification time</td>
    <td>No</td>
  <tr>
  <tr>
    <td>keepcopy</td>
    <td>Keeps a copy of the file with a .keep extension</td>
    <td>No</td>
  <tr>
  <tr>
    <td>identical</td>
    <td>Allows the file to be checked in even if it is identical 
        to the original</td>
    <td>No</td>
  <tr>
 </table>
 <h3>Examples</h3>
 <blockquote>
 <pre>
 &lt;cccheckin viewpath=&quot;c:/views/viewdir/afile&quot;
        commentfile=&quot;acomment.txt&quot;/&gt;
        nowarn=&quot;true&quot;
        identical=&quot;true&quot;
 </pre>
 </blockquote>
 <p>Does a ClearCase <i>checkin</i> on the file <i>c:/views/viewdir/afile</i>. 
 Comment text from the file <i>acomment.txt</i> is added to ClearCase as a comment.
 All warning messages are suppressed. The file is checked in even if it is
 <i>identical</i> to the original.</p>
 <hr>
 <h2><a name="cccheckout">CCCheckout</a></h2>
 <h3>Description</h3>
 Task to perform a Checkout command to ClearCase.
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <th>Attribute</th>
    <th>Values</th>
    <th>Required</th>
  </tr>
  <tr>
    <td>viewpath</td>
    <td>Path to the ClearCase view file or directory that the command 
        will operate on</td>
    <td>No</td>
  <tr>
  <tr>
    <td>reserved</td>
    <td>Specifies whether to check out the file as reserved or not</td>
    <td>Yes</td>
  <tr>
  <tr>
    <td>out</td>
    <td>Creates a writable file under a different filename</td>
    <td>No</td>
  <tr>
  <tr>
    <td>nodata</td>
    <td>Checks out the file but does not create an editable file 
        containing its data</td>
    <td>No</td>
  <tr>
  <tr>
    <td>branch</td>
    <td>Specify a branch to check out the file to</td>
    <td>No</td>
  <tr>
  <tr>
    <td>version</td>
    <td>Allows checkout of a version other than main latest</td>
    <td>No</td>
  <tr>
  <tr>
    <td>nowarn</td>
    <td>Suppress warning messages</td>
    <td>No</td>
  <tr>
  <tr>
    <td>comment</td>
    <td>Specify a comment. Only one of comment or cfile may be used.</td>
    <td>No</td>
  <tr>
  <tr>
    <td>commentfile</td>
    <td>Specify a file containing a comment. Only one of comment or 
        cfile may be used.</td>
    <td>No</td>
 <tr>
 </table>
 <h3>Examples</h3>
 <blockquote>
 <pre>
 &lt;cccheckout viewpath=&quot;c:/views/viewdir/afile&quot;
        reserved=&quot;true&quot; 
        branch=&quot;abranch&quot;
        nowarn=&quot;true&quot;
        comment=&quot;Some comment text&quot;/&gt;
 </pre>
 </blockquote>
 <p>Does a ClearCase <i>checkout</i> on the file <i>c:/views/viewdir/afile</i>. 
 It is checked out as <i>reserved</i> on branch called <i>abranch</i>. All 
 warning messages are suppressed. A <i>Some comment text</i> is added to 
 ClearCase as a comment.</p>
 <hr>
 <h2><a name="ccuncheckout">CCUnCheckout</a></h2>
 <h3>Description</h3>
 Task to perform a UnCheckout command to ClearCase.
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <th>Attribute</th>
    <th>Values</th>
    <th>Required</th>
  </tr>
  <tr>
    <td>viewpath</td>
    <td>Path to the ClearCase view file or directory that the command 
        will operate on</td>
    <td>No</td>
  <tr>
  <tr>
    <td>keepcopy</td>
    <td>Specifies whether to keep a copy of the file with a .keep 
        extension or not</td>
    <td>No</td>
  <tr>
 </table>
 <h3>Examples</h3>
 <blockquote>
 <pre>
 &lt;ccuncheckout viewpath=&quot;c:/views/viewdir/afile&quot;
        keepcopy=&quot;true&quot;/&gt;
 </pre>
 </blockquote>
 <p>Does a ClearCase <i>uncheckout</i> on the file <i>c:/views/viewdir/afile</i>. 
 A copy of the file called <i>c:/views/viewdir/afile.keep</i> is kept.</p>
 <hr>
 <h2><a name="ccupdate">CCUpdate</a></h2>
 <h3>Description</h3>
 Task to perform an Update command to ClearCase.
 <h3>Parameters</h3>
 <table border="1" cellpadding="2" cellspacing="0">
  <tr>
    <th>Attribute</th>
    <th>Values</th>
    <th>Required</th>
  </tr>
  <tr>
    <td>viewpath</td>
    <td>Path to the ClearCase view file or directory that the command 
        will operate on</td>
    <td>No</td>
  <tr>
  <tr>
    <td>graphical</td>
    <td>Displays a graphical dialog during the update</td>
    <td>No</td>
  <tr>
  <tr>
    <td>log</td>
    <td>Specifies a log file for ClearCase to write to</td>
    <td>No</td>
  <tr>
  <tr>
    <td>overwrite</td>
    <td>Specifies whether to overwrite hijacked files or not</td>
    <td>No</td>
  <tr>
  <tr>
    <td>rename</td>
    <td>Specifies that hijacked files should be renamed with a .keep extension</td>
    <td>No</td>
  <tr>
  <tr>
    <td>currenttime</td>
    <td>Specifies that modification time should be written as the 
        current time. Either currenttime or preservetime can be 
        specified.</td>
    <td>No</td>
  <tr>
  <tr>
    <td>preservetime</td>
    <td>Specifies that modification time should preserved from the 
        VOB time. Either currenttime or preservetime can be 
        specified.</td>
    <td>No</td>
  <tr>
 </table>
 <h3>Examples</h3>
 <blockquote>
 <pre>
 &lt;ccupdate viewpath=&quot;c:/views/viewdir&quot;
        graphical=&quot;false&quot; 
        log=&quot;log.log&quot;
        overwrite=&quot;true&quot;
        currenttime=&quot;true&quot;
        rename=&quot;false&quot;/&gt;
 </pre>
 </blockquote>
 <p>Does a ClearCase <i>update</i> on the directory <i>c:/views/viewdir</i>. 
 A graphical dialog will be displayed. The output will be logged to 
 <i>log.log</i> and it will overwrite any hijacked files. The modified 
 time will be set to the current time.</p>

 </body>

 </html>
--- a/docs/index.html
+++ b/docs/index.html
@@ -4563,6 +4563,7 @@ it had been located at <code>htdocs/manual/ChangeLog.txt</code>.</p>
  <li><a href="dotnet.html">.NET Tasks</a></li>
  <li><a href="antlr.html">ANTLR</a></li>
  <li><a href="#cab">Cab</a></li>
  <li><a href="clearcase.html">Clearcase Tasks</a></li>
  <li><a href="ejb.html">EJB Tasks</a></li>
  <li><a href="#ftp">FTP</a></li>
  <li><a href="javacc.html">JavaCC</a></li>
--- a/src/main/org/apache/tools/ant/taskdefs/defaults.properties
+++ b/src/main/org/apache/tools/ant/taskdefs/defaults.properties
@@ -82,6 +82,10 @@ p4sync=org.apache.tools.ant.taskdefs.optional.perforce.P4Sync
 p4edit=org.apache.tools.ant.taskdefs.optional.perforce.P4Edit
 p4submit=org.apache.tools.ant.taskdefs.optional.perforce.P4Submit
 javah=org.apache.tools.ant.taskdefs.optional.Javah
 ccupdate=org.apache.tools.ant.taskdefs.optional.clearcase.CCUpdate
 cccheckout=org.apache.tools.ant.taskdefs.optional.clearcase.CCCheckout
 cccheckin=org.apache.tools.ant.taskdefs.optional.clearcase.CCCheckin
 ccuncheckout=org.apache.tools.ant.taskdefs.optional.clearcase.CCUnCheckout

 # deprecated ant tasks (kept for back compatibility)
 javadoc2=org.apache.tools.ant.taskdefs.Javadoc
--- a/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCCheckin.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCCheckin.java
@@ -0,0 +1,371 @@
 /*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    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
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    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
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

 package org.apache.tools.ant.taskdefs.optional.clearcase;

 import org.apache.tools.ant.*;
 import org.apache.tools.ant.types.Commandline;
 import org.apache.tools.ant.types.Path;

 import java.io.File;

 /**
 * Task to perform Checkin command to ClearCase.
 * <p>
 * The following attributes are interpreted:
 * <table border="1">
 *   <tr>
 *     <th>Attribute</th>
 *     <th>Values</th>
 *     <th>Required</th>
 *   </tr>
 *   <tr>
 *      <td>viewpath</td>
 *      <td>Path to the ClearCase view file or directory that the command will operate on</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>comment</td>
 *      <td>Specify a comment. Only one of comment or cfile may be used.</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>commentfile</td>
 *      <td>Specify a file containing a comment. Only one of comment or cfile may be used.</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>nowarn</td>
 *      <td>Suppress warning messages</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>preservetime</td>
 *      <td>Preserve the modification time</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>keepcopy</td>
 *      <td>Keeps a copy of the file with a .keep extension</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>identical</td>
 *      <td>Allows the file to be checked in even if it is identical to the original</td>
 *      <td>No</td>
 *   <tr>
 * </table>
 *
 * @author Curtis White
 */
 public class CCCheckin extends ClearCase {
    private String m_Comment = null;
    private String m_Cfile = null;
    private boolean m_Nwarn = false;
    private boolean m_Ptime = false;
    private boolean m_Keep = false;
    private boolean m_Identical = true;

    /**
     * Executes the task.
     * <p>
     * Builds a command line to execute cleartool and then calls Exec's run method
     * to execute the command line.
     */
    public void execute() throws BuildException {
        Commandline commandLine = new Commandline();
        Project aProj = getProject();
        int result = 0;

        // Default the viewpath to basedir if it is not specified
        if (getViewPath() == null) {
            setViewPath(aProj.getBaseDir().getPath());
        }

        // build the command line from what we got. the format is
        // cleartool checkin [options...] [viewpath ...]
        // as specified in the CLEARTOOL.EXE help
        commandLine.setExecutable(getClearToolCommand());
        commandLine.createArgument().setValue(COMMAND_CHECKIN);

        checkOptions(commandLine);

        result = run(commandLine);
        if ( result != 0 ) {
            String msg = "Failed executing: " + commandLine.toString();
            throw new BuildException(msg, location);
        }
    }


    /**
     * Check the command line options.
     */
    private void checkOptions(Commandline cmd) {
        if (getComment() != null) {
            // -c
            getCommentCommand(cmd);
        } else {
            if (getCommentFile() != null) {
                // -cfile
                getCommentFileCommand(cmd);
            } else {
                cmd.createArgument().setValue(FLAG_NOCOMMENT);
            }
        }

        if (getNoWarn()) {
            // -nwarn
            cmd.createArgument().setValue(FLAG_NOWARN);
        }

        if (getPreserveTime()) {
            // -ptime
            cmd.createArgument().setValue(FLAG_PRESERVETIME);
        }

        if (getKeepCopy()) {
            // -keep
            cmd.createArgument().setValue(FLAG_KEEPCOPY);
        }

        if (getIdentical()) {
            // -identical
            cmd.createArgument().setValue(FLAG_IDENTICAL);
        }

        // viewpath
        cmd.createArgument().setValue(getViewPath());
    }


    /**
     * Set comment string
     *
     * @param comment the comment string
     */
    public void setComment(String comment) {
        m_Comment = comment;
    }

    /**
     * Get comment string
     *
     * @return String containing the comment
     */
    public String getComment() {
        return m_Comment;
    }

    /**
     * Set comment file
     *
     * @param cfile the path to the comment file
     */
    public void setCommentFile(String cfile) {
        m_Cfile = cfile;
    }

    /**
     * Get comment file
     *
     * @return String containing the path to the comment file
     */
    public String getCommentFile() {
        return m_Cfile;
    }

    /**
     * Set the nowarn flag
     *
     * @param nwarn the status to set the flag to
     */
    public void setNoWarn(boolean nwarn) {
        m_Nwarn = nwarn;
    }

    /**
     * Get nowarn flag status
     *
     * @return boolean containing status of nwarn flag
     */
    public boolean getNoWarn() {
        return m_Nwarn;
    }

    /**
     * Set preservetime flag
     *
     * @param ptime the status to set the flag to
     */
    public void setPreserveTime(boolean ptime) {
        m_Ptime = ptime;
    }

    /**
     * Get preservetime flag status
     *
     * @return boolean containing status of preservetime flag
     */
    public boolean getPreserveTime() {
        return m_Ptime;
    }

    /**
     * Set the keepcopy flag
     *
     * @param keep the status to set the flag to
     */
    public void setKeepCopy(boolean keep) {
        m_Keep = keep;
    }

    /**
     * Get keepcopy flag status
     *
     * @return boolean containing status of keepcopy flag
     */
    public boolean getKeepCopy() {
        return m_Keep;
    }

    /**
     * Set the identical flag
     *
     * @param identical the status to set the flag to
     */
    public void setIdentical(boolean identical) {
        m_Identical = identical;
    }

    /**
     * Get identical flag status
     *
     * @return boolean containing status of identical flag
     */
    public boolean getIdentical() {
        return m_Identical;
    }


    /**
     * Get the 'comment' command
     *
     * @return the 'comment' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the comment flag and string appended
     */
    private void getCommentCommand(Commandline cmd) {
        if (getComment() != null) {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_COMMENT);
            cmd.createArgument().setValue(getComment());
        }
    }

    /**
     * Get the 'commentfile' command
     *
     * @return the 'commentfile' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the commentfile flag and file appended
     */
    private void getCommentFileCommand(Commandline cmd) {
        if (getCommentFile() != null) {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_COMMENTFILE);
            cmd.createArgument().setValue(getCommentFile());
        }
    }


        /**
     * -c flag -- comment to attach to the file
     */
    public static final String FLAG_COMMENT = "-c";
        /**
     * -cfile flag -- file containing a comment to attach to the file
     */
    public static final String FLAG_COMMENTFILE = "-cfile";
        /**
     * -nc flag -- no comment is specified
     */
    public static final String FLAG_NOCOMMENT = "-nc";
        /**
     * -nwarn flag -- suppresses warning messages
     */
    public static final String FLAG_NOWARN = "-nwarn";
        /**
     * -ptime flag -- preserves the modification time
     */
    public static final String FLAG_PRESERVETIME = "-ptime";
        /**
     * -keep flag -- keeps a copy of the file with a .keep extension
     */
    public static final String FLAG_KEEPCOPY = "-keep";
        /**
     * -identical flag -- allows the file to be checked in even if it is identical to the original
     */
    public static final String FLAG_IDENTICAL = "-identical";

 }

--- a/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCCheckout.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCCheckout.java
@@ -0,0 +1,483 @@
 /*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    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
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    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
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

 package org.apache.tools.ant.taskdefs.optional.clearcase;

 import org.apache.tools.ant.*;
 import org.apache.tools.ant.types.Commandline;
 import org.apache.tools.ant.types.Path;

 import java.io.File;

 /**
 * Task to perform Checkout command to ClearCase.
 * <p>
 * The following attributes are interpretted:
 * <table border="1">
 *   <tr>
 *     <th>Attribute</th>
 *     <th>Values</th>
 *     <th>Required</th>
 *   </tr>
 *   <tr>
 *      <td>viewpath</td>
 *      <td>Path to the ClearCase view file or directory that the command will operate on</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>reserved</td>
 *      <td>Specifies whether to check out the file as reserved or not</td>
 *      <td>Yes</td>
 *   <tr>
 *   <tr>
 *      <td>out</td>
 *      <td>Creates a writable file under a different filename</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>nodata</td>
 *      <td>Checks out the file but does not create an editable file containing its data</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>branch</td>
 *      <td>Specify a branch to check out the file to</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>version</td>
 *      <td>Allows checkout of a version other than main latest</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>nowarn</td>
 *      <td>Suppress warning messages</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>comment</td>
 *      <td>Specify a comment. Only one of comment or cfile may be used.</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>commentfile</td>
 *      <td>Specify a file containing a comment. Only one of comment or cfile may be used.</td>
 *      <td>No</td>
 *   <tr>
 * </table>
 *
 * @author Curtis White
 */
 public class CCCheckout extends ClearCase {
    private boolean m_Reserved = true;
    private String m_Out = null;
    private boolean m_Ndata = false;
    private String m_Branch = null;
    private boolean m_Version = false;
    private boolean m_Nwarn = false;
    private String m_Comment = null;
    private String m_Cfile = null;

    /**
     * Executes the task.
     * <p>
     * Builds a command line to execute cleartool and then calls Exec's run method
     * to execute the command line.
     */
    public void execute() throws BuildException {
        Commandline commandLine = new Commandline();
        Project aProj = getProject();
        int result = 0;

        // Default the viewpath to basedir if it is not specified
        if (getViewPath() == null) {
            setViewPath(aProj.getBaseDir().getPath());
        }

        // build the command line from what we got the format is
        // cleartool checkout [options...] [viewpath ...]
        // as specified in the CLEARTOOL.EXE help
        commandLine.setExecutable(getClearToolCommand());
        commandLine.createArgument().setValue(COMMAND_CHECKOUT);

        checkOptions(commandLine);

        result = run(commandLine);
        if ( result != 0 ) {
            String msg = "Failed executing: " + commandLine.toString();
            throw new BuildException(msg, location);
        }
    }


    /**
     * Check the command line options.
     */
    private void checkOptions(Commandline cmd) {
        // ClearCase items
        if (getReserved()) {
            // -reserved
            cmd.createArgument().setValue(FLAG_RESERVED);
        } else {
            // -unreserved
            cmd.createArgument().setValue(FLAG_UNRESERVED);
        }

        if (getOut() != null) {
            // -out
            getOutCommand(cmd);
        } else {
            if (getNoData()) {
                // -ndata
                cmd.createArgument().setValue(FLAG_NODATA);
            }

        }

        if (getBranch() != null) {
            // -branch
            getBranchCommand(cmd);
        } else {
            if (getVersion()) {
                // -version
                cmd.createArgument().setValue(FLAG_VERSION);
            }

        }

        if (getNoWarn()) {
            // -nwarn
            cmd.createArgument().setValue(FLAG_NOWARN);
        }

        if (getComment() != null) {
            // -c
            getCommentCommand(cmd);
        } else {
            if (getCommentFile() != null) {
                // -cfile
                getCommentFileCommand(cmd);
            } else {
                cmd.createArgument().setValue(FLAG_NOCOMMENT);
            }
        }

        // viewpath
        cmd.createArgument().setValue(getViewPath());
    }

    /**
     * Set reserved flag status
     *
     * @param reserved the status to set the flag to
     */
    public void setReserved(boolean reserved) {
        m_Reserved = reserved;
    }

    /**
     * Get reserved flag status
     *
     * @return boolean containing status of reserved flag
     */
    public boolean getReserved() {
        return m_Reserved;
    }

    /**
     * Set out file
     *
     * @param outf the path to the out file
     */
    public void setOut(String outf) {
        m_Out = outf;
    }

    /**
     * Get out file
     *
     * @return String containing the path to the out file
     */
    public String getOut() {
        return m_Out;
    }

    /**
     * Set the nodata flag
     *
     * @param ndata the status to set the flag to
     */
    public void setNoData(boolean ndata) {
        m_Ndata = ndata;
    }

    /**
     * Get nodata flag status
     *
     * @return boolean containing status of ndata flag
     */
    public boolean getNoData() {
        return m_Ndata;
    }

    /**
     * Set branch name
     *
     * @param branch the name of the branch
     */
    public void setBranch(String branch) {
        m_Branch = branch;
    }

    /**
     * Get branch name
     *
     * @return String containing the name of the branch
     */
    public String getBranch() {
        return m_Branch;
    }

    /**
     * Set the version flag
     *
     * @param version the status to set the flag to
     */
    public void setVersion(boolean version) {
        m_Version = version;
    }

    /**
     * Get version flag status
     *
     * @return boolean containing status of version flag
     */
    public boolean getVersion() {
        return m_Version;
    }

    /**
     * Set the nowarn flag
     *
     * @param nwarn the status to set the flag to
     */
    public void setNoWarn(boolean nwarn) {
        m_Nwarn = nwarn;
    }

    /**
     * Get nowarn flag status
     *
     * @return boolean containing status of nwarn flag
     */
    public boolean getNoWarn() {
        return m_Nwarn;
    }

    /**
     * Set comment string
     *
     * @param comment the comment string
     */
    public void setComment(String comment) {
        m_Comment = comment;
    }

    /**
     * Get comment string
     *
     * @return String containing the comment
     */
    public String getComment() {
        return m_Comment;
    }

    /**
     * Set comment file
     *
     * @param cfile the path to the comment file
     */
    public void setCommentFile(String cfile) {
        m_Cfile = cfile;
    }

    /**
     * Get comment file
     *
     * @return String containing the path to the comment file
     */
    public String getCommentFile() {
        return m_Cfile;
    }

    /**
     * Get the 'out' command
     *
     * @return the 'out' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the out flag and path appended
     */
    private void getOutCommand(Commandline cmd) {
        if (getOut() != null) {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_OUT);
            cmd.createArgument().setValue(getOut());
        }
    }

    /**
     * Get the 'branch' command
     *
     * @return the 'branch' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the branch flag and name appended
     */
    private void getBranchCommand(Commandline cmd) {
        if (getBranch() != null) {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_BRANCH);
            cmd.createArgument().setValue(getBranch());
        }
    }


    /**
     * Get the 'comment' command
     *
     * @return the 'comment' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the comment flag and string appended
     */
    private void getCommentCommand(Commandline cmd) {
        if (getComment() != null) {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_COMMENT);
            cmd.createArgument().setValue(getComment());
        }
    }

    /**
     * Get the 'cfile' command
     *
     * @return the 'cfile' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the cfile flag and file appended
     */
    private void getCommentFileCommand(Commandline cmd) {
        if (getCommentFile() != null) {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_COMMENTFILE);
            cmd.createArgument().setValue(getCommentFile());
        }
    }

        /**
     *  -reserved flag -- check out the file as reserved
     */
    public static final String FLAG_RESERVED = "-reserved";
        /**
     *  -reserved flag -- check out the file as unreserved
     */
    public static final String FLAG_UNRESERVED = "-unreserved";
        /**
     * -out flag -- create a writable file under a different filename
     */
    public static final String FLAG_OUT = "-out";
        /**
     * -ndata flag -- checks out the file but does not create an editable file containing its data
     */
    public static final String FLAG_NODATA = "-ndata";
        /**
     * -branch flag -- checks out the file on a specified branch
     */
    public static final String FLAG_BRANCH = "-branch";
        /**
     * -version flag -- allows checkout of a version that is not main latest
     */
    public static final String FLAG_VERSION = "-version";
        /**
     * -nwarn flag -- suppresses warning messages
     */
    public static final String FLAG_NOWARN = "-nwarn";
        /**
     * -c flag -- comment to attach to the file
     */
    public static final String FLAG_COMMENT = "-c";
        /**
     * -cfile flag -- file containing a comment to attach to the file
     */
    public static final String FLAG_COMMENTFILE = "-cfile";
        /**
     * -nc flag -- no comment is specified
     */
    public static final String FLAG_NOCOMMENT = "-nc";

 }

--- a/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCUnCheckout.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCUnCheckout.java
@@ -0,0 +1,168 @@
 /*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    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
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    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
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

 package org.apache.tools.ant.taskdefs.optional.clearcase;

 import org.apache.tools.ant.*;
 import org.apache.tools.ant.types.Commandline;
 import org.apache.tools.ant.types.Path;

 import java.io.File;

 /**
 * Task to perform UnCheckout command to ClearCase.
 * <p>
 * The following attributes are interpretted:
 * <table border="1">
 *   <tr>
 *     <th>Attribute</th>
 *     <th>Values</th>
 *     <th>Required</th>
 *   </tr>
 *   <tr>
 *      <td>viewpath</td>
 *      <td>Path to the ClearCase view file or directory that the command will operate on</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>keepcopy</td>
 *      <td>Specifies whether to keep a copy of the file with a .keep extension or not</td>
 *      <td>No</td>
 *   <tr>
 * </table>
 *
 * @author Curtis White
 */
 public class CCUnCheckout extends ClearCase {
    private boolean m_Keep = false;

    /**
     * Executes the task.
     * <p>
     * Builds a command line to execute cleartool and then calls Exec's run method
     * to execute the command line.
     */
    public void execute() throws BuildException {
        Commandline commandLine = new Commandline();
        Project aProj = getProject();
        int result = 0;

        // Default the viewpath to basedir if it is not specified
        if (getViewPath() == null) {
            setViewPath(aProj.getBaseDir().getPath());
        }

        // build the command line from what we got the format is
        // cleartool uncheckout [options...] [viewpath ...]
        // as specified in the CLEARTOOL.EXE help
        commandLine.setExecutable(getClearToolCommand());
        commandLine.createArgument().setValue(COMMAND_UNCHECKOUT);

        checkOptions(commandLine);

        result = run(commandLine);
        if ( result != 0 ) {
            String msg = "Failed executing: " + commandLine.toString();
            throw new BuildException(msg, location);
        }
    }


    /**
     * Check the command line options.
     */
    private void checkOptions(Commandline cmd) {
        // ClearCase items
        if (getKeepCopy()) {
            // -keep
            cmd.createArgument().setValue(FLAG_KEEPCOPY);
        } else {
            // -rm
            cmd.createArgument().setValue(FLAG_RM);
        }

        // viewpath
        cmd.createArgument().setValue(getViewPath());
    }

    /**
     * Set keepcopy flag status
     *
     * @param keep the status to set the flag to
     */
    public void setKeepCopy(boolean keep) {
        m_Keep = keep;
    }

    /**
     * Get keepcopy flag status
     *
     * @return boolean containing status of keep flag
     */
    public boolean getKeepCopy() {
        return m_Keep;
    }


        /**
     *  -keep flag -- keep a copy of the file with .keep extension
     */
    public static final String FLAG_KEEPCOPY = "-keep";
        /**
     *  -rm flag -- remove the copy of the file
     */
    public static final String FLAG_RM = "-rm";

 }

--- a/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCUpdate.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/CCUpdate.java
@@ -0,0 +1,355 @@
 /*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    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
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    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
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

 package org.apache.tools.ant.taskdefs.optional.clearcase;

 import org.apache.tools.ant.*;
 import org.apache.tools.ant.types.Commandline;
 import org.apache.tools.ant.types.Path;

 import java.io.File;
 import java.lang.System;

 /**
 * Task to perform an Update command to ClearCase.
 * <p>
 * The following attributes are interpretted:
 * <table border="1">
 *   <tr>
 *     <th>Attribute</th>
 *     <th>Values</th>
 *     <th>Required</th>
 *   </tr>
 *   <tr>
 *      <td>viewpath</td>
 *      <td>Path to the ClearCase view file or directory that the command will operate on</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>graphical</td>
 *      <td>Displays a graphical dialog during the update</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>log</td>
 *      <td>Specifies a log file for ClearCase to write to</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>overwrite</td>
 *      <td>Specifies whether to overwrite hijacked files or not</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>rename</td>
 *      <td>Specifies that hijacked files should be renamed with a .keep extension</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>currenttime</td>
 *      <td>Specifies that modification time should be written as the current time. Either currenttime or preservetime can be specified.</td>
 *      <td>No</td>
 *   <tr>
 *   <tr>
 *      <td>preservetime</td>
 *      <td>Specifies that modification time should preserved from the VOB time. Either currenttime or preservetime can be specified.</td>
 *      <td>No</td>
 *   <tr>
 * </table>
 *
 * @author Curtis White
 */
 public class CCUpdate extends ClearCase {
    private boolean m_Graphical = false;
    private boolean m_Overwrite = false;
    private boolean m_Rename = false;
    private boolean m_Ctime = false;
    private boolean m_Ptime = false;
    private String m_Log = null;

    /**
     * Executes the task.
     * <p>
     * Builds a command line to execute cleartool and then calls Exec's run method
     * to execute the command line.
     */
    public void execute() throws BuildException {
        Commandline commandLine = new Commandline();
        Project aProj = getProject();
        int result = 0;

        // Default the viewpath to basedir if it is not specified
        if (getViewPath() == null) {
            setViewPath(aProj.getBaseDir().getPath());
        }

        // build the command line from what we got the format is
        // cleartool update [options...] [viewpath ...]
        // as specified in the CLEARTOOL.EXE help
        commandLine.setExecutable(getClearToolCommand());
        commandLine.createArgument().setValue(COMMAND_UPDATE);

        // Check the command line options
        checkOptions(commandLine);

        // For debugging
        System.out.println(commandLine.toString());

        result = run(commandLine);
        if ( result != 0 ) {
            String msg = "Failed executing: " + commandLine.toString();
            throw new BuildException(msg, location);
        }
    }

    /**
     * Check the command line options.
     */
    private void checkOptions(Commandline cmd) {
        // ClearCase items
        if (getGraphical()) {
            // -graphical
            cmd.createArgument().setValue(FLAG_GRAPHICAL);
        } else {
            if (getOverwrite()) {
                // -overwrite
                cmd.createArgument().setValue(FLAG_OVERWRITE);
            } else {
                if (getRename()) {
                    // -rename
                    cmd.createArgument().setValue(FLAG_RENAME);
                } else {
                    // -noverwrite
                    cmd.createArgument().setValue(FLAG_NOVERWRITE);
                }
            }

            if (getCurrentTime()) {
                // -ctime
                cmd.createArgument().setValue(FLAG_CURRENTTIME);
            } else {
                if (getPreserveTime()) {
                    // -ptime
                    cmd.createArgument().setValue(FLAG_PRESERVETIME);
                }
            }

            // -log logname
            getLogCommand(cmd);
        }

        // viewpath
        cmd.createArgument().setValue(getViewPath());
    }

    /**
     * Set graphical flag status
     *
     * @param graphical the status to set the flag to
     */
    public void setGraphical(boolean graphical) {
        m_Graphical = graphical;
    }

    /**
     * Get graphical flag status
     *
     * @return boolean containing status of graphical flag
     */
    public boolean getGraphical() {
        return m_Graphical;
    }

    /**
     * Set overwrite hijacked files status
     *
     * @param ow the status to set the flag to
     */
    public void setOverwrite(boolean ow) {
        m_Overwrite = ow;
    }

    /**
     * Get overwrite hijacked files status
     *
     * @return boolean containing status of overwrite flag
     */
    public boolean getOverwrite() {
        return m_Overwrite;
    }

    /**
     * Set rename hijacked files status
     *
     * @param ren the status to set the flag to
     */
    public void setRename(boolean ren) {
        m_Rename = ren;
    }

    /**
     * Get rename hijacked files status
     *
     * @return boolean containing status of rename flag
     */
    public boolean getRename() {
        return m_Rename;
    }

    /**
     * Set modified time based on current time
     *
     * @param ct the status to set the flag to
     */
    public void setCurrentTime(boolean ct) {
        m_Ctime = ct;
    }

    /**
     * Get current time status
     *
     * @return boolean containing status of current time flag
     */
    public boolean getCurrentTime() {
        return m_Ctime;
    }

    /**
     * Preserve modified time from the VOB time
     *
     * @param pt the status to set the flag to
     */
    public void setPreserveTime(boolean pt) {
        m_Ptime = pt;
    }

    /**
     * Get preserve time status
     *
     * @return boolean containing status of preserve time flag
     */
    public boolean getPreserveTime() {
        return m_Ptime;
    }

    /**
     * Set log file where cleartool can record the status of the command
     *
     * @param log the path to the log file
     */
    public void setLog(String log) {
        m_Log = log;
    }

    /**
     * Get log file
     *
     * @return String containing the path to the log file
     */
    public String getLog() {
        return m_Log;
    }

    /**
     * Get the 'log' command
     *
     * @return the 'log' command if the attribute was specified, otherwise an empty string
     *
     * @param CommandLine containing the command line string with or without the log flag and path appended
     */
    private void getLogCommand(Commandline cmd) {
        if (getLog() == null) {
            return;
        } else {
            /* Had to make two separate commands here because if a space is
               inserted between the flag and the value, it is treated as a
               Windows filename with a space and it is enclosed in double
               quotes ("). This breaks clearcase.
            */
            cmd.createArgument().setValue(FLAG_LOG);
            cmd.createArgument().setValue(getLog());
        }
    }

        /**
     *  -graphical flag -- display graphical dialog during update operation
     */
    public static final String FLAG_GRAPHICAL = "-graphical";
        /**
     * -log flag -- file to log status to
     */
    public static final String FLAG_LOG = "-log";
        /**
     * -overwrite flag -- overwrite hijacked files
     */
    public static final String FLAG_OVERWRITE = "-overwrite";
        /**
     * -noverwrite flag -- do not overwrite hijacked files
     */
    public static final String FLAG_NOVERWRITE = "-noverwrite";
        /**
     * -rename flag -- rename hijacked files with .keep extension
     */
    public static final String FLAG_RENAME = "-rename";
        /**
     * -ctime flag -- modified time is written as the current time
     */
    public static final String FLAG_CURRENTTIME = "-ctime";
        /**
     * -ptime flag -- modified time is written as the VOB time
     */
    public static final String FLAG_PRESERVETIME = "-ptime";

 }

--- a/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/ClearCase.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/clearcase/ClearCase.java
@@ -0,0 +1,163 @@
 /*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    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
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    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
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

 package org.apache.tools.ant.taskdefs.optional.clearcase;

 import org.apache.tools.ant.*;
 import org.apache.tools.ant.taskdefs.Execute;
 import org.apache.tools.ant.taskdefs.LogStreamHandler;
 import org.apache.tools.ant.types.Commandline;

 import java.io.File;

 /**
 * A base class for creating tasks for executing commands on ClearCase.
 * <p>
 * The class extends the 'exec' task as it operates by executing the cleartool program
 * supplied with ClearCase. By default the task expects the cleartool executable to be
 * in the path, * you can override this be specifying the cleartooldir attribute.
 * </p>
 * <p>
 * This class provides set and get methods for the 'viewpath' attribute. It
 * also contains constants for the flags that can be passed to cleartool.
 * </p>
 *
 * @author Curtis White
 */
 public abstract class ClearCase extends Task {
    private String m_ClearToolDir = "";
    private String m_viewPath = null;

    /**
     * Set the directory where the cleartool executable is located
     *
     * @param dir the directory containing the cleartool executable
     */
    public final void setClearToolDir(String dir) {
        m_ClearToolDir = project.translatePath(dir);
    }

    /**
     * Builds and returns the command string to execute cleartool
     *
     * @return String containing path to the executable
     */
    protected final String getClearToolCommand() {
        String toReturn = m_ClearToolDir;
        if ( !toReturn.equals("") && !toReturn.endsWith("/") ) {
            toReturn += "/";
        }

        toReturn += CLEARTOOL_EXE;

        return toReturn;
    }

    /**
     * Set the path to the item in a clearcase view to operate on
     *
     * @param viewPath Path to the view directory or file
     */
    public final void setViewPath(String viewPath) {
        m_viewPath = viewPath;
    }

    /**
     * Get the path to the item in a clearcase view
     *
     * @return m_viewPath
     */
    public String getViewPath() {
        return m_viewPath;
    }


    protected int run(Commandline cmd) {
        try {
            Project aProj = getProject();
            Execute exe = new Execute(new LogStreamHandler(this, Project.MSG_INFO, Project.MSG_WARN));
            exe.setAntRun(aProj);
            exe.setWorkingDirectory(aProj.getBaseDir());
            exe.setCommandline(cmd.getCommandline());
            return exe.execute();
        }
        catch (java.io.IOException e) {
            throw new BuildException(e, location);
        }
    }

    /**
     * Constant for the thing to execute
     */
    private static final String CLEARTOOL_EXE = "cleartool";

    /**
     * The 'Update' command
     */
    public static final String COMMAND_UPDATE = "update";
    /**
     * The 'Checkout' command
     */
    public static final String COMMAND_CHECKOUT = "checkout";
    /**
     * The 'Checkin' command
     */
    public static final String COMMAND_CHECKIN = "checkin";
    /**
     * The 'UndoCheckout' command
     */
    public static final String COMMAND_UNCHECKOUT = "uncheckout";

 }