alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

What this is

This file 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.

Other links

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.javacore.internalapi;

import org.netbeans.api.java.classpath.ClassPath;
import org.netbeans.api.mdr.MDRManager;
import org.netbeans.api.mdr.MDRepository;
import org.netbeans.jmi.javamodel.*;
import org.netbeans.lib.jmi.util.MetamodelManager;
import org.openide.filesystems.FileObject;
import org.openide.loaders.DataObject;
import org.openide.text.PositionBounds;
import java.util.ArrayList;
import java.util.List;
import java.util.Iterator;
import org.netbeans.modules.javacore.UndoProgressListener;

/**
 * @author Martin Matula
 */
public abstract class JavaMetamodel extends MetamodelManager {
    public static final String NAME_REPOSITORY = "org.netbeans.java"; // NOI18N

    private static JavaMetamodel instance = null;
    private static MDRepository defaultRepository = null;
    private static UndoManager undoManager = null;

    protected static final ArrayList listeners = new ArrayList();

    protected JavaMetamodel(MDRepository repository, Class cls) {
        super(repository, cls);
    }

    public static synchronized JavaMetamodel getManager() {
        if (instance == null) {
            instance = new org.netbeans.modules.javacore.JMManager(getDefaultRepository());
//            instance.resolveCodebases();
        }
        return instance;
    }

    /** WARNING: This method returns null if no classpath is set during the transaction. */
    public abstract ClassPath getClassPath();
    
    public abstract void setClassPath(ClassPath cp);
    public abstract void setClassPath(List/**/ cps);
    public abstract void setClassPath(Resource rsc);
    public abstract void setClassPath(FileObject fo);
    public abstract void setClassPath(FileObject fo, boolean preferSources);
    public abstract Resource getResource(FileObject fo);
    public abstract Resource getResource(FileObject cpRoot, String name);
    public abstract JavaPackage getPackage(FileObject fo);
    public abstract FileObject getFileObject(Resource r);

    public abstract DataObject getDataObject(Resource r);
    public abstract void registerExtChange(ExternalChange ch);

    public abstract boolean isElementGuarded(Element elem);
    
    /** Returns JavaModelPackage for a given cpRoot. If the extent does not exist, it will be created.
     *
     * @param cpRoot
     * @return
     */
    public abstract JavaModelPackage resolveJavaExtent(FileObject cpRoot);

    /** Tries to find an extent for a given classpath root. If the extent does not exist, returns null.
     *
     * @param cpRoot
     * @return
     */
    public abstract JavaModelPackage getJavaExtent(FileObject cpRoot);

    public abstract JavaModelPackage getDefaultExtent();
    public abstract PositionBounds getElementPosition(Element e);
    public abstract Element getElementByOffset(FileObject fo, int offset);
    public abstract ProgressSupport getProgressSupport();
    public abstract void addModified(DataObject dobj);
    public abstract boolean removeModified(DataObject dobj);
    public abstract PositionBounds getElementPartPosition(Element element, ElementPartKind part, int position);

    public JavaModelPackage getJavaExtent(Element element) {
        return (JavaModelPackage) element.refImmediatePackage();
    }

    protected abstract void resolveCodebases();

    public static synchronized MDRepository getDefaultRepository() {
        if (JavaMetamodel.defaultRepository == null) {
            // find repository
            defaultRepository = MDRManager.getDefault().getRepository(NAME_REPOSITORY);
            if (defaultRepository == null) {
                throw new IllegalStateException("FATAL: Repository " + NAME_REPOSITORY + " not found."); // NOI18N
            }
        }
        return defaultRepository;
    }

    public synchronized static UndoManager getUndoManager() {
        if (undoManager == null) {
            undoManager = new UndoManager(new UndoProgressListener());
        }
        return undoManager;
    }

    public static void addParsingListener(ParsingListener listener) {
        synchronized (listeners) {
            listeners.add(listener);
        }
    }

    public static void removeParsingListener(ParsingListener listener) {
        synchronized (listeners) {
            listeners.remove(listener);
        }
    }
}
... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.