duplicates/ide/impl/src/org/netbeans/modules/jackpot30/impl/duplicates/indexing/DuplicatesCustomIndexerImpl.java

/*
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 *
 * Copyright 2009-2010 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
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 * Portions Copyrighted 2009-2010 Sun Microsystems, Inc.
 */

package org.netbeans.modules.jackpot30.impl.duplicates.indexing;

import java.io.IOException;
import java.net.URL;
import java.util.Collection;
import org.netbeans.api.java.source.ClasspathInfo;
import org.netbeans.api.java.source.CompilationController;
import org.netbeans.api.java.source.JavaSource;
import org.netbeans.api.java.source.JavaSource.Phase;
import org.netbeans.api.java.source.Task;
import org.netbeans.modules.parsing.impl.indexing.IndexableImpl;
import org.netbeans.modules.parsing.impl.indexing.SPIAccessor;
import org.openide.filesystems.FileObject;
import org.openide.util.Exceptions;

/**
 *
 * @author lahvac
 */
public class DuplicatesCustomIndexerImpl extends DeferredCustomIndexer {

    public DuplicatesCustomIndexerImpl(DeferredCustomIndexerFactory factory) {
        super(factory);
    }

    protected void doIndex(final DeferredContext ctx, Collection<? extends FileObject> modifiedAndAdded, Collection<? extends String> removed) throws IOException {
        final DuplicatesIndex[] w = new DuplicatesIndex[1];

        try {
            w[0] = new DuplicatesIndex(ctx.getRoot(), ctx.getCacheRoot());

            for (String r : removed) {
                w[0].remove(r);
                ctx.handledRemovedFile(r);
            }

            final ClasspathInfo cpInfo = ClasspathInfo.create(ctx.getRootFileObject());

            JavaSource.create(cpInfo, modifiedAndAdded).runUserActionTask(new Task<CompilationController>() {
                public void run(final CompilationController cc) throws Exception {
                    if (cc.toPhase(Phase.RESOLVED).compareTo(Phase.RESOLVED) < 0)
                        return ;

                    w[0].record(cc, SPIAccessor.getInstance().create(new IndexableImpl() {
                        @Override public String getRelativePath() {
                            throw new UnsupportedOperationException("Not supported yet.");
                        }
                        @Override public URL getURL() {
                            return cc.getFileObject().toURL();
                        }
                        @Override public String getMimeType() {
                            throw new UnsupportedOperationException("Not supported yet.");
                        }
                        @Override public boolean isTypeOf(String mimeType) {
                            throw new UnsupportedOperationException("Not supported yet.");
                        }
                    }), cc.getCompilationUnit());

                    ctx.handledModifiedFile(cc.getFileObject());
                }
            }, true);
        } finally {
            if (w[0] != null) {
                try {
                    w[0].close();
                } catch (IOException ex) {
                    Exceptions.printStackTrace(ex);
                }
            }
        }
    }
    
    public static final class FactoryImpl extends DeferredCustomIndexerFactory {

        @Override
        public DeferredCustomIndexer createIndexer() {
            return new DuplicatesCustomIndexerImpl(this);
        }

        @Override
        public String getIndexerName() {
            return DuplicatesIndex.NAME;
        }

        @Override
        public int getIndexVersion() {
            return DuplicatesIndex.VERSION;
        }

    }

}