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Ant example source code file (CCLock.java)
This example Ant source code file (CCLock.java) is included in the DevDaily.com
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Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.
The CCLock.java source code
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.taskdefs.optional.clearcase;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Execute;
import org.apache.tools.ant.types.Commandline;
/**
* TODO:
* comment field doesn't include all options yet
*/
/**
* Performs a ClearCase Lock command.
*
* <p>
* The following attributes are interpreted:
* <table border="1">
* <tr>
* <th>Attribute
* <th>Values
* <th>Required
* </tr>
* <tr>
* <td>replace |
* <td>Specifies replacing an existing lock
* <td>No
* <tr>
* <tr>
* <td>nusers
* <td>Specifies user(s) who can still modify the object/pname
* <td>No
* <tr>
* <tr>
* <td>obsolete
* <td>Specifies that the object/pname should be marked obsolete
* <td>No
* <tr>
* <tr>
* <td>comment
* <td>Specifies how to populate comments fields
* <td>No
* <tr>
* <tr>
* <td>pname
* <td>Specifies the pathname to be locked.
* <td>No
* <tr>
* <td>objselect
* <td>This variable is obsolete. Should use objsel instead.
* <td>No
* <tr>
* <tr>
* <td>objsel
* <td>Specifies the object(s) to be unlocked.
* <td>No
* <tr>
* <tr>
* <td>failonerr
* <td>Throw an exception if the command fails. Default is true
* <td>No
* <tr>
* </table>
*
*/
public class CCLock extends ClearCase {
private boolean mReplace = false;
private boolean mObsolete = false;
private String mComment = null;
private String mNusers = null;
private String mPname = null;
private String mObjselect = null;
/**
* Executes the task.
* <p>
* Builds a command line to execute cleartool and then calls Exec's run method
* to execute the command line.
* @throws BuildException if the command fails and failonerr is set to true
*/
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 lock [options...]
// as specified in the CLEARTOOL.EXE help
commandLine.setExecutable(getClearToolCommand());
commandLine.createArgument().setValue(COMMAND_LOCK);
// Check the command line options
checkOptions(commandLine);
// For debugging
// System.out.println(commandLine.toString());
if (!getFailOnErr()) {
getProject().log("Ignoring any errors that occur for: "
+ getOpType(), Project.MSG_VERBOSE);
}
result = run(commandLine);
if (Execute.isFailure(result) && getFailOnErr()) {
String msg = "Failed executing: " + commandLine.toString();
throw new BuildException(msg, getLocation());
}
}
/**
* Check the command line options.
*/
private void checkOptions(Commandline cmd) {
// ClearCase items
if (getReplace()) {
// -replace
cmd.createArgument().setValue(FLAG_REPLACE);
}
if (getObsolete()) {
// -obsolete
cmd.createArgument().setValue(FLAG_OBSOLETE);
} else {
getNusersCommand(cmd);
}
getCommentCommand(cmd);
if (getObjselect() == null && getPname() == null) {
throw new BuildException("Should select either an element "
+ "(pname) or an object (objselect)");
}
getPnameCommand(cmd);
// object selector
if (getObjselect() != null) {
cmd.createArgument().setValue(getObjselect());
}
}
/**
* If true, replace an existing lock.
*
* @param replace the status to set the flag to
*/
public void setReplace(boolean replace) {
mReplace = replace;
}
/**
* Get replace flag status
*
* @return boolean containing status of replace flag
*/
public boolean getReplace() {
return mReplace;
}
/**
* If true, mark object as obsolete.
*
* @param obsolete the status to set the flag to
*/
public void setObsolete(boolean obsolete) {
mObsolete = obsolete;
}
/**
* Get obsolete flag status
*
* @return boolean containing status of obsolete flag
*/
public boolean getObsolete() {
return mObsolete;
}
/**
* Sets the users who may continue to
* edit the object while it is locked.
*
* @param nusers users excluded from lock
*/
public void setNusers(String nusers) {
mNusers = nusers;
}
/**
* Get nusers list
*
* @return String containing the list of users excluded from lock
*/
public String getNusers() {
return mNusers;
}
/**
* Sets how comments should be written
* for the event record(s)
*
* @param comment comment method to use
*/
public void setComment(String comment) {
mComment = comment;
}
/**
* Get comment method
*
* @return String containing the desired comment method
*/
public String getComment() {
return mComment;
}
/**
* Sets the pathname to be locked
*
* @param pname pathname to be locked
*/
public void setPname(String pname) {
mPname = pname;
}
/**
* Get the pathname to be locked
*
* @return String containing the pathname to be locked
*/
public String getPname() {
return mPname;
}
/**
* Sets the object(s) to be locked
*
* @param objsel objects to be locked
* @since ant 1.6.1
*/
public void setObjSel(String objsel) {
mObjselect = objsel;
}
/**
* Sets the object(s) to be locked
*
* @param objselect objects to be locked
*/
public void setObjselect(String objselect) {
mObjselect = objselect;
}
/**
* Get list of objects to be locked
*
* @return String containing the objects to be locked
*/
public String getObjselect() {
return mObjselect;
}
/**
* Get the 'nusers' command
*
* @param cmd containing the command line string with or
* without the nusers flag and value appended
*/
private void getNusersCommand(Commandline cmd) {
if (getNusers() == 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_NUSERS);
cmd.createArgument().setValue(getNusers());
}
}
/**
* Get the 'comment' command
*
* @param cmd containing the command line string with or without the
* comment flag and value appended
*/
private void getCommentCommand(Commandline cmd) {
if (getComment() == 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_COMMENT);
cmd.createArgument().setValue(getComment());
}
}
/**
* Get the 'pname' command
*
* @param cmd containing the command line string with or
* without the pname flag and value appended
*/
private void getPnameCommand(Commandline cmd) {
if (getPname() == 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_PNAME);
cmd.createArgument().setValue(getPname());
}
}
/**
* Return which object/pname is being operated on
*
* @return String containing the object/pname being worked on
*/
private String getOpType() {
if (getPname() != null) {
return getPname();
} else {
return getObjselect();
}
}
/**
* -replace flag -- replace existing lock on object(s)
*/
public static final String FLAG_REPLACE = "-replace";
/**
* -nusers flag -- list of users to exclude from lock
*/
public static final String FLAG_NUSERS = "-nusers";
/**
* -obsolete flag -- mark locked object as obsolete
*/
public static final String FLAG_OBSOLETE = "-obsolete";
/**
* -comment flag -- method to use for commenting events
*/
public static final String FLAG_COMMENT = "-comment";
/**
* -pname flag -- pathname to lock
*/
public static final String FLAG_PNAME = "-pname";
}
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