com.aptana.editor.js.JSMetadataLoader.java Source code

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Here is the source code for com.aptana.editor.js.JSMetadataLoader.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.editor.js;

import java.io.IOException;
import java.net.URI;
import java.text.MessageFormat;

import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.MessageDialog;
import org.osgi.framework.Bundle;

import com.aptana.core.logging.IdeLog;
import com.aptana.editor.common.contentassist.MetadataLoader;
import com.aptana.editor.js.contentassist.JSIndexQueryHelper;
import com.aptana.editor.js.contentassist.index.IJSIndexConstants;
import com.aptana.editor.js.contentassist.index.JSIndexWriter;
import com.aptana.editor.js.contentassist.index.JSMetadataReader;
import com.aptana.editor.js.contentassist.model.TypeElement;
import com.aptana.editor.js.preferences.IPreferenceConstants;
import com.aptana.index.core.Index;
import com.aptana.index.core.IndexManager;
import com.aptana.index.core.IndexPlugin;
import com.aptana.ui.util.UIUtils;

public class JSMetadataLoader extends MetadataLoader<JSMetadataReader> {
    /**
     * MetadataLoader
     */
    public JSMetadataLoader() {
        super(Messages.Loading_Metadata);
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#createMetadataReader()
     */
    @Override
    protected JSMetadataReader createMetadataReader() {
        return new JSMetadataReader();
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#getBundle()
     */
    @Override
    protected Bundle getBundle() {
        return JSPlugin.getDefault().getBundle();
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#getIndexVersion()
     */
    @Override
    protected double getIndexVersion() {
        return IJSIndexConstants.INDEX_VERSION;
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#getIndexVersionKey()
     */
    @Override
    protected String getIndexVersionKey() {
        return IPreferenceConstants.JS_INDEX_VERSION;
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#getMetadataFiles()
     */
    @Override
    protected String[] getMetadataFiles() {
        return new String[] { //
                "/metadata/js_core.xml", //$NON-NLS-1$
                "/metadata/dom_0.xml", //$NON-NLS-1$
                "/metadata/dom_2.xml", //$NON-NLS-1$
                "/metadata/dom_3.xml", //$NON-NLS-1$
                "/metadata/dom_5.xml" //$NON-NLS-1$;
        };
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#getPluginId()
     */
    @Override
    protected String getPluginId() {
        return JSPlugin.PLUGIN_ID;
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#postRebuild()
     */
    @Override
    protected void postRebuild() {
        super.postRebuild();

        this.rebuildProjectIndexes();
    }

    /**
     * rebuildProjectIndexes
     */
    private void rebuildProjectIndexes() {
        Job job = new Job(Messages.JSMetadataLoader_Rebuilding_Project_Indexes) {
            @Override
            protected IStatus run(IProgressMonitor monitor) {
                IWorkspace ws = ResourcesPlugin.getWorkspace();

                try {
                    ws.build(IncrementalProjectBuilder.FULL_BUILD, monitor);
                } catch (final CoreException e) {
                    UIUtils.getDisplay().asyncExec(new Runnable() {

                        public void run() {
                            IStatus status = e.getStatus();
                            if (status.isMultiStatus()) {
                                IStatus[] children = status.getChildren();
                                if (children.length > 0) {
                                    status = children[0];
                                }
                            }
                            MessageDialog.openError(UIUtils.getActiveShell(),
                                    Messages.JSMetadataLoader_RebuildingProjectIndexError_Title,
                                    MessageFormat.format("{0} {1}", status.getMessage(), //$NON-NLS-1$
                                            Messages.JSMetadataLoader_RebuildingProjectIndexError_Message));
                        }
                    });
                }

                return Status.OK_STATUS;
            }
        };

        job.schedule();
    }

    /*
     * (non-Javadoc)
     * @see com.aptana.editor.common.contentassist.MetadataLoader#writeIndex(com.aptana.editor.common.contentassist.
     * MetadataReader)
     */
    @Override
    protected void writeIndex(JSMetadataReader reader) {
        // remove old index
        getIndexManager().removeIndex(URI.create(IJSIndexConstants.METADATA_INDEX_LOCATION));

        JSIndexWriter indexer = new JSIndexWriter();

        // TODO: The following should be done in the index writer, but this will introduce a dependency to
        // com.aptana.parsing in com.aptana.index.core
        Index index = getIndex();

        // write types
        for (TypeElement type : reader.getTypes()) {
            indexer.writeType(index, type);
        }

        try {
            index.save();
        } catch (IOException e) {
            IdeLog.logError(JSPlugin.getDefault(), e);
        }
    }

    protected IndexManager getIndexManager() {
        return IndexPlugin.getDefault().getIndexManager();
    }

    @Override
    protected Index getIndex() {
        return JSIndexQueryHelper.getIndex();
    }
}