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Ant example source code file (CCMCreateTask.java)

This example Ant source code file (CCMCreateTask.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

bufferedreader, bufferedreader, buildexception, ccmcreatetask, commandline, commandline, failed, flag_comment, flag_task, inputstreamreader, io, ioexception, ioexception, string, string

The CCMCreateTask.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.ccm;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Execute;
import org.apache.tools.ant.taskdefs.ExecuteStreamHandler;
import org.apache.tools.ant.types.Commandline;


/**
 * Creates new Continuus ccm task and sets it as the default.
 *
 * @ant.task name="ccmcreatetask" category="scm"
 */
public class CCMCreateTask extends Continuus implements ExecuteStreamHandler {

    private String comment = null;
    private String platform = null;
    private String resolver = null;
    private String release = null;
    private String subSystem = null;
    private String task = null;

    /**
     * Constructor for CCMCreateTask.
     */
    public CCMCreateTask() {
        super();
        setCcmAction(COMMAND_CREATE_TASK);
    }


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

        // build the command line from what we got the format
        // as specified in the CCM.EXE help
        commandLine.setExecutable(getCcmCommand());
        commandLine.createArgument().setValue(getCcmAction());

        checkOptions(commandLine);

        result = run(commandLine, this);
        if (Execute.isFailure(result)) {
            String msg = "Failed executing: " + commandLine.toString();
            throw new BuildException(msg, getLocation());
        }

        //create task ok, set this task as the default one
        Commandline commandLine2 = new Commandline();
        commandLine2.setExecutable(getCcmCommand());
        commandLine2.createArgument().setValue(COMMAND_DEFAULT_TASK);
        commandLine2.createArgument().setValue(getTask());

        log(commandLine.describeCommand(), Project.MSG_DEBUG);

        result = run(commandLine2);
        if (result != 0) {
            String msg = "Failed executing: " + commandLine2.toString();
            throw new BuildException(msg, getLocation());
        }

    }


    /**
     * Check the command line options.
     */
    private void checkOptions(Commandline cmd) {
        if (getComment() != null) {
            cmd.createArgument().setValue(FLAG_COMMENT);
            cmd.createArgument().setValue("\"" + getComment() + "\"");
        }

        if (getPlatform() != null) {
            cmd.createArgument().setValue(FLAG_PLATFORM);
            cmd.createArgument().setValue(getPlatform());
        } // end of if ()

        if (getResolver() != null) {
            cmd.createArgument().setValue(FLAG_RESOLVER);
            cmd.createArgument().setValue(getResolver());
        } // end of if ()

        if (getSubSystem() != null) {
            cmd.createArgument().setValue(FLAG_SUBSYSTEM);
            cmd.createArgument().setValue("\"" + getSubSystem() + "\"");
        } // end of if ()

        if (getRelease() != null) {
            cmd.createArgument().setValue(FLAG_RELEASE);
            cmd.createArgument().setValue(getRelease());
        } // end of if ()
    }


    /**
     * Get the value of comment.
     * @return value of comment.
     */
    public String getComment() {
        return comment;
    }

    /**
     * Specifies a comment.
     *
     * @param v  Value to assign to comment.
     */
    public void setComment(String v) {
        this.comment = v;
    }


    /**
     * Get the value of platform.
     * @return value of platform.
     */
    public String getPlatform() {
        return platform;
    }

    /**
     * Specifies the target platform.
     *
     * @param v  Value to assign to platform.
     */
    public void setPlatform(String v) {
        this.platform = v;
    }


    /**
     * Get the value of resolver.
     * @return value of resolver.
     */
    public String getResolver() {
        return resolver;
    }

    /**
     * Specifies the resolver.
     *
     * @param v  Value to assign to resolver.
     */
    public void setResolver(String v) {
        this.resolver = v;
    }


    /**
     * Get the value of release.
     * @return value of release.
     */
    public String getRelease() {
        return release;
    }

    /**
     * Specify the CCM release.
     *
     * @param v  Value to assign to release.
     */
    public void setRelease(String v) {
        this.release = v;
    }

    /**
     * Get the value of subSystem.
     * @return value of subSystem.
     */
    public String getSubSystem() {
        return subSystem;
    }

    /**
     * Specifies the subsystem.
     *
     * @param v  Value to assign to subSystem.
     */
    public void setSubSystem(String v) {
        this.subSystem = v;
    }


    /**
     * Get the value of task.
     * @return value of task.
     */
    public String getTask() {
        return task;
    }

    /**
     * Specifies the task number used to checkin
     * the file (may use 'default').
     *
     * @param v  Value to assign to task.
     */
    public void setTask(String v) {
        this.task = v;
    }

    /**
     * /comment -- comments associated to the task
     */
    public static final String FLAG_COMMENT = "/synopsis";

    /**
     *  /platform flag -- target platform
     */
    public static final String FLAG_PLATFORM = "/plat";

    /**
     * /resolver flag
     */
    public static final String FLAG_RESOLVER = "/resolver";

    /**
     * /release flag
     */
    public static final String FLAG_RELEASE = "/release";

    /**
     * /release flag
     */
    public static final String FLAG_SUBSYSTEM = "/subsystem";

    /**
     *  -task flag -- associate checkout task with task
     */
    public static final String FLAG_TASK = "/task";


    // implementation of org.apache.tools.ant.taskdefs.ExecuteStreamHandler interface

    /**
     *
     * @throws IOException on error
     */
    public void start() throws IOException {
    }

    /**
     *
     */
    public void stop() {
    }

    /**
     *
     * @param param1 the output stream
     * @exception java.io.IOException on error
     */
    public void setProcessInputStream(OutputStream param1) throws IOException {
    }

    /**
     *
     * @param is the input stream
     * @exception java.io.IOException on error
     */
    public void setProcessErrorStream(InputStream is) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        String s = reader.readLine();
        if (s != null) {
            log("err " + s, Project.MSG_DEBUG);
        } // end of if ()
    }

    /**
     * read the output stream to retrieve the new task number.
     * @param is InputStream
     * @throws IOException on error
     */
    public void setProcessOutputStream(InputStream is) throws IOException {

        String buffer = "";
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(is));
            buffer = reader.readLine();
            if (buffer != null) {
                log("buffer:" + buffer, Project.MSG_DEBUG);
                String taskstring = buffer.substring(buffer.indexOf(' ')).trim();
                taskstring = taskstring.substring(0, taskstring.lastIndexOf(' ')).trim();
                setTask(taskstring);
                log("task is " + getTask(), Project.MSG_DEBUG);
            } // end of if ()
        } catch (NullPointerException npe) {
            log("error procession stream , null pointer exception", Project.MSG_ERR);
            npe.printStackTrace();
            throw new BuildException(npe.getClass().getName());
        } catch (Exception e) {
            log("error procession stream " + e.getMessage(), Project.MSG_ERR);
            throw new BuildException(e.getMessage());
        } // end of try-catch

    }

}

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