/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed 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.
*
*/
/*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
package org.apache.tools.ant.taskdefs.optional.perforce;
import java.io.IOException;
import org.apache.oro.text.perl.Perl5Util;
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;
/** Base class for Perforce (P4) ANT tasks. See individual task for example usage.
*
* @see P4Sync
* @see P4Have
* @see P4Change
* @see P4Edit
* @see P4Submit
* @see P4Label
* @see org.apache.tools.ant.taskdefs.Execute
*/
public abstract class P4Base extends org.apache.tools.ant.Task {
/**Perl5 regexp in Java - cool eh? */
protected Perl5Util util = null;
/** The OS shell to use (cmd.exe or /bin/sh) */
protected String shell;
//P4 runtime directives
/** Perforce Server Port (eg KM01:1666) */
protected String P4Port = "";
/** Perforce Client (eg myclientspec) */
protected String P4Client = "";
/** Perforce User (eg fbloggs) */
protected String P4User = "";
/** Perforce view for commands. (eg //projects/foobar/main/source/... )*/
protected String P4View = "";
// Perforce task directives
/** Keep going or fail on error - defaults to fail. */
protected boolean failOnError = true;
//P4 g-opts and cmd opts (rtfm)
/** Perforce 'global' opts.
* Forms half of low level API */
protected String P4Opts = "";
/** Perforce command opts.
* Forms half of low level API */
protected String P4CmdOpts = "";
/** Set by the task or a handler to indicate that the task has failed. BuildExceptions
* can also be thrown to indicate failure. */
private boolean inError = false;
/** If inError is set, then errorMessage needs to contain the reason why. */
private String errorMessage = "";
/**
* gets whether or not the task has encountered an error
* @return error flag
* @since ant 1.6
*/
public boolean getInError() {
return inError;
}
/**
* sets the error flag on the task
* @param inError if true an error has been encountered by the handler
* @since ant 1.6
*/
public void setInError(boolean inError) {
this.inError = inError;
}
/**
* gets the error message recorded by the Perforce handler
* @return error message
*/
public String getErrorMessage() {
return errorMessage;
}
/**
* sets the error message
* @param errorMessage line of error output
*/
public void setErrorMessage(String errorMessage) {
this.errorMessage = errorMessage;
}
//Setters called by Ant
/**
* The p4d server and port to connect to;
* optional, default "perforce:1666"
*
* @param P4Port the port one wants to set such as localhost:1666
*/
public void setPort(String P4Port) {
this.P4Port = "-p" + P4Port;
}
/**
* The p4 client spec to use;
* optional, defaults to the current user
*
* @param P4Client the name of the Perforce client spec
*/
public void setClient(String P4Client) {
this.P4Client = "-c" + P4Client;
}
/**
* The p4 username;
* optional, defaults to the current user
*
* @param P4User the user name
*/
public void setUser(String P4User) {
this.P4User = "-u" + P4User;
}
/**
* Set global P4 options; Used on all
* of the Perforce tasks.
*
* @param P4Opts global options, to use a specific P4Config file for instance
*/
public void setGlobalopts(String P4Opts) {
this.P4Opts = P4Opts;
}
/**
* The client, branch or label view to operate upon;
* optional default "//...".
*
* the view is required for the following tasks :
*
* - p4delete
* - p4edit
* - p4reopen
* - p4resolve
*
*
* @param P4View the view one wants to use
*/
public void setView(String P4View) {
this.P4View = P4View;
}
/**
* Set extra command options; only used on some
* of the Perforce tasks.
*
* @param P4CmdOpts command line options going after the particular
* Perforce command
*/
public void setCmdopts(String P4CmdOpts) {
this.P4CmdOpts = P4CmdOpts;
}
/**
* whether to stop the build (true, default)
* or keep going if an error is returned from the p4 command
* @param fail indicates whether one wants to fail the build if an error comes from the
* Perforce command
*/
public void setFailonerror(boolean fail) {
failOnError = fail;
}
/**
* sets attributes Port, Client, User from properties
* if these properties are defined.
* Called automatically by UnknownElement
* @see org.apache.tools.ant.UnknownElement
*
* | Property | Attribute |
|---|
* | p4.port | Port |
* | p4.client | Client |
* | p4.user | User |
*
*/
public void init() {
util = new Perl5Util();
//Get default P4 settings from environment - Mark would have done something cool with
//introspection here.....:-)
String tmpprop;
if ((tmpprop = getProject().getProperty("p4.port")) != null) {
setPort(tmpprop);
}
if ((tmpprop = getProject().getProperty("p4.client")) != null) {
setClient(tmpprop);
}
if ((tmpprop = getProject().getProperty("p4.user")) != null) {
setUser(tmpprop);
}
}
/**
* no usages found for this method
* runs a Perforce command without a handler
* @param command the command that one wants to execute
* @throws BuildException if failonerror is set and the command fails
*/
protected void execP4Command(String command) throws BuildException {
execP4Command(command, null);
}
/**
* Execute P4 command assembled by subclasses.
*
* @param command The command to run
* @param handler A P4Handler to process any input and output
*
* @throws BuildException if failonerror has been set to true
*/
protected void execP4Command(String command, P4Handler handler) throws BuildException {
try {
// reset error flags before executing the command
inError = false;
errorMessage = "";
Commandline commandline = new Commandline();
commandline.setExecutable("p4");
//Check API for these - it's how CVS does it...
if (P4Port != null && P4Port.length() != 0) {
commandline.createArgument().setValue(P4Port);
}
if (P4User != null && P4User.length() != 0) {
commandline.createArgument().setValue(P4User);
}
if (P4Client != null && P4Client.length() != 0) {
commandline.createArgument().setValue(P4Client);
}
if (P4Opts != null && P4Opts.length() != 0) {
commandline.createArgument().setLine(P4Opts);
}
commandline.createArgument().setLine(command);
log(commandline.describeCommand(), Project.MSG_VERBOSE);
if (handler == null) {
handler = new SimpleP4OutputHandler(this);
}
Execute exe = new Execute(handler, null);
exe.setAntRun(getProject());
exe.setCommandline(commandline.getCommandline());
try {
exe.execute();
if (inError && failOnError) {
throw new BuildException(errorMessage);
}
} catch (IOException e) {
throw new BuildException(e);
} finally {
try {
handler.stop();
} catch (Exception e) {
log(e.toString(), Project.MSG_ERR);
}
}
} catch (Exception e) {
String failMsg = "Problem exec'ing P4 command: " + e.getMessage();
if (failOnError) {
throw new BuildException(failMsg);
} else {
log(failMsg, Project.MSG_ERR);
}
}
}
}