WsgenMojo.java

package org.codehaus.mojo.xfire;

/*
 * Copyright 2001-2006 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.
 */

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.BuildListener;
import org.apache.tools.ant.BuildEvent;

import org.codehaus.xfire.gen.WsGenTask;

import java.io.*;
import java.util.Iterator;
import java.util.List;

/**
 * WsGen mojo.
 * <p/>
 * Implemented as a wrapper around the XFire WsGen Ant task.
 *
 * @author <a href="jerome@coffeebreaks.org">Jerome Lacoste</a>
 * @version $Id$
 * @goal wsgen
 * @phase generate-sources
 * @requiresProject
 * @requiresDependencyResolution
 */
public class WsgenMojo
    extends AbstractMojo
{
    /**
     * Project.
     *
     * @parameter expression="${project}"
     * @required
     * @readonly
     */
    private MavenProject project;

    /**
     * URLs
     *
     * @parameter
     * @required
     */
    private List wsdls;

    /**
     * @parameter expression="${package}" alias="package"
     */
    private String _package; // reserved keyword...

    /**
     * @parameter expression="${profile}"
     */
    private String profile;

    /**
     * @parameter expression="${binding}"
     */
    private String binding;

    /**
     * Will be added to the compileSourceRoot
     * @parameter expression="${outputDirectory}" default-value="${project.build.directory}/generated-sources/xfire/wsgen"
     * @required
     */
    private File outputDirectory;

    /**
     * @parameter expression="${baseURI}"
     */
    private String baseURI;
    
    /**
     * @parameter expression="${externalBindings}"
     */
    private String externalBindings;

    /**
     * @parameter expression="${keystore}"
     */
    private String keystore;

    /**
     * @parameter expression="${keystorePass}"
     */
    private String keystorePass;

    /**
     * @parameter expression="${explicitAnnotation}"
     */
    private boolean explicitAnnotation;
    
    /**
     * @parameter expression="${overwrite}"
     */
    private boolean overwrite;
    
    /**
     * @parameter expression="${generateServerStubs}"
     */
    private boolean generateServerStubs;
    
    /**
     * @parameter expression="${forceBare}"
     */
    private boolean forceBare;
    
    private PrintStream systemErr;
    private PrintStream systemOut;
    private final PrintStream mySystemErr = new PrintStream(new MyErrorStream());
    private final PrintStream mySystemOut = new PrintStream(new MyOutputStream());

    public void execute()
        throws MojoExecutionException
    {

        systemErr = System.err;
        systemOut = System.out;
        System.setErr(mySystemErr);
        // System.setOut(mySystemOut); // causes java.lang.OutOfMemoryError: Java heap space  on my box

        try {
            exec();
        } finally {
            System.setErr( systemErr );
            // System.setOut( systemOut );
        }
    }

    class MyErrorStream extends OutputStream {
        private StringBuffer buffer = new StringBuffer();

        public void write( final int b ) throws IOException {
            final char c = (char) b;
            // shouldn't we handle '\r' as well ??
            if (c == '\n') {
                getLog().error( buffer );
                buffer = new StringBuffer();
            } else {
                buffer.append( c );
            }
        }
    }

    class MyOutputStream extends OutputStream {
        private StringBuffer buffer = new StringBuffer();

        public void write( final int b ) throws IOException {
            final char c = (char) b;
            // shouldn't we handle '\r' as well ??
            if (c == '\n') {
                getLog().info( buffer );
                buffer = new StringBuffer();
            } else {
                buffer.append( c );
            }
        }
    }

    private void exec() throws MojoExecutionException {

        if ( wsdls.size() == 0 ) {
            return;
        }

        if ( ! outputDirectory.exists() && ! outputDirectory.mkdirs() ) {
           getLog().warn( "the output directory " + outputDirectory
                   + " doesn't exist and couldn't be created. The goal with probably fail." );
        }

        final Project antProject = new Project();

        antProject.addBuildListener(new DebugAntBuildListener());

        final WsGenTask task = new WsGenTask();

        task.setProject( antProject );

        if ( binding != null) {
            task.setBinding( binding );
        }

        if ( profile != null) {
            task.setProfile( profile );
        }

        if (_package != null) {
            task.setPackage( _package );
        }

        task.setOutputDirectory( outputDirectory.getAbsolutePath() );

        if ( externalBindings != null ) {
            task.setExternalBindings( externalBindings );
        }
        
        task.setOverwrite( overwrite );
        
        if ( baseURI != null ) {
            task.setBaseURI( baseURI );
        }
        
        if ( keystore != null ) {
            task.setKeystore( keystore );
        }
        
        if ( keystorePass != null ) {
            task.setKeystorePass( keystorePass );
        }
        
        task.setExplicitAnnotation( explicitAnnotation );
        
        task.setGenerateServerStubs( generateServerStubs );
        
        task.setForceBare( forceBare );
        
        for (Iterator iterator = wsdls.iterator(); iterator.hasNext();) {
            String wsdlUrl = (String) iterator.next();

            if ( ! wsdlUrl.contains("://") ) {
                wsdlUrl = new File( wsdlUrl ).toURI().toString();
            }

            task.setWsdl( wsdlUrl );

            getLog().info( "Executing XFire WsGen task with url: " + wsdlUrl );

            try
            {
                task.execute();
            }
            catch ( BuildException e )
            {
                throw new MojoExecutionException( "command execution failed", e );
            }
        }

        getLog().debug( "Adding outputDirectory to source root: " + outputDirectory );

        this.project.addCompileSourceRoot( outputDirectory.getAbsolutePath() );
    }

    private class DebugAntBuildListener implements BuildListener {
        public void buildStarted( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }

        public void buildFinished( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }

        public void targetStarted( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }

        public void targetFinished( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }

        public void taskStarted( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }

        public void taskFinished( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }

        public void messageLogged( final BuildEvent buildEvent ) {
            getLog().debug(buildEvent.getMessage());
        }
    }
}