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The source code

/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2004 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.java.j2seproject.queries;

import java.io.File;
import org.netbeans.spi.project.support.ant.AntProjectHelper;
import org.openide.ErrorManager;
import org.openide.filesystems.FileUtil;
import java.net.URL;
import java.net.MalformedURLException;
import javax.swing.event.ChangeListener;
import javax.xml.transform.Result;
import org.netbeans.api.java.queries.JavadocForBinaryQuery;
import org.netbeans.spi.java.queries.JavadocForBinaryQueryImplementation;
import org.netbeans.spi.project.support.ant.PropertyEvaluator;

/**
 * Finds Javadoc (if it is built) corresponding to binaries in J2SE project.
 * @author David Konecny, Jesse Glick
 */
public class JavadocForBinaryQueryImpl implements JavadocForBinaryQueryImplementation {

    private final AntProjectHelper helper;
    private final PropertyEvaluator evaluator;

    public JavadocForBinaryQueryImpl(AntProjectHelper helper, PropertyEvaluator evaluator) {
        this.helper = helper;
        this.evaluator = evaluator;
    }

    public JavadocForBinaryQuery.Result findJavadoc(final URL binaryRoot) {
        class R implements JavadocForBinaryQuery.Result {
            public URL[] getRoots() {
                String javadocDir = evaluator.getProperty("dist.javadoc.dir");      //NOI18N
                if (javadocDir != null) {
                    File f = helper.resolveFile(javadocDir);
                    try {
                        return new URL[] {f.toURI().toURL()};
                    } catch (MalformedURLException e) {
                        ErrorManager.getDefault().notify(e);
                    }
                }
                return new URL[0];
            }
            public void addChangeListener(ChangeListener l) {
                // XXX not implemented
            }
            public void removeChangeListener(ChangeListener l) {
                // XXX not implemented
            }
        }
        if (isRootOwner(binaryRoot, "build.classes.dir") || isRootOwner (binaryRoot, "dist.jar")) { //NOI18N
            return new R();
        }
        return null;
    }

    private boolean isRootOwner (URL binaryRoot, String binaryProperty) {
        try {
            if (FileUtil.getArchiveFile(binaryRoot) != null) {
                binaryRoot = FileUtil.getArchiveFile(binaryRoot);
                // XXX check whether this is really the root
            }
            String outDir = evaluator.getProperty(binaryProperty);
            if (outDir != null) {
                File f = helper.resolveFile (outDir);
                URL url = f.toURI().toURL();
                if (!f.exists() && !f.getPath().toLowerCase().endsWith(".jar")) { // NOI18N
                    assert !url.toExternalForm().endsWith("/") : f; // NOI18N
                    url = new URL(url.toExternalForm() + "/"); // NOI18N
                }
                return url.equals(binaryRoot) ||
                        binaryRoot.toExternalForm().startsWith(url.toExternalForm());
            }
        } catch (MalformedURLException malformedURL) {
            ErrorManager.getDefault().notify(malformedURL);
        }
        return false;
    }

//    private URL getJavadoc(URL binaryRoot, String binaryProperty, String javadocProperty) {
//        try {
//            if (FileUtil.getArchiveFile(binaryRoot) != null) {
//                binaryRoot = FileUtil.getArchiveFile(binaryRoot);
//            }
//            String outDir = evaluator.getProperty(binaryProperty);
//            if (outDir != null) {
//                File f = helper.resolveFile (outDir);
//                URL url = f.toURI().toURL();
//                if (!f.exists() && !f.getPath().toLowerCase().endsWith(".jar")) {
//                    assert !url.toExternalForm().endsWith("/") : f;
//                    url = new URL(url.toExternalForm() + "/");
//                }
//                if (url.equals(binaryRoot) ||
//                        binaryRoot.toExternalForm().startsWith(url.toExternalForm())) {
//                    String javadocDir = evaluator.getProperty(javadocProperty);
//                    if (javadocDir != null) {
//                        f = helper.resolveFile(javadocDir);
//                        return f.toURI().toURL();
//                    }
//                }
//            }
//        } catch (MalformedURLException malformedURL) {
//            ErrorManager.getDefault().notify(malformedURL);
//        }
//        return null;
//    }
    
}
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