EclipsePathFramework.java

/* ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0 
 *
 * Copyright (c) 2004 The ObjectStyle Group 
 * and individual authors of the software.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:  
 *       "This product includes software developed by the 
 *        ObjectStyle Group (http://objectstyle.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "ObjectStyle Group" and "Cayenne" 
 *    must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written 
 *    permission, please contact andrus@objectstyle.org.
 *
 * 5. Products derived from this software may not be called "ObjectStyle"
 *    nor may "ObjectStyle" appear in their names without prior written
 *    permission of the ObjectStyle Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the ObjectStyle Group.  For more
 * information on the ObjectStyle Group, please see
 * <http://objectstyle.org/>.
 *
 */
package org.objectstyle.wolips.jdt.classpath.model;

import java.io.File;
import java.util.LinkedList;
import java.util.List;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathAttribute;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.core.ClasspathEntry;
import org.objectstyle.woenvironment.frameworks.AbstractFolderFramework;
import org.objectstyle.woenvironment.frameworks.FrameworkLibrary;
import org.objectstyle.woenvironment.frameworks.Root;
import org.objectstyle.wolips.variables.VariablesPlugin;

public class EclipsePathFramework extends AbstractFolderFramework implements IEclipseFramework {
	private IClasspathEntry[] cachedClasspathEntries;
	
	public EclipsePathFramework(Root root, File frameworkFolder) {
		super(root, frameworkFolder);
	}
	
	public synchronized IClasspathEntry[] getClasspathEntries() {
		List<IClasspathEntry> classpathEntries;
		
		if (cachedClasspathEntries == null) {
			classpathEntries =  new LinkedList<IClasspathEntry>();
			for (FrameworkLibrary library : getFrameworkLibraries()) {
				IPath jarPath = new Path(library.getLibraryFile().getAbsolutePath());
				IPath sourceJarPath = null;
				File sourceJar = library.getSourceJar();
				if (sourceJar != null) {
					sourceJarPath = new Path(library.getSourceJar().getAbsolutePath());
				}
				String sourcePathStr = library.getSourcePath();
				IPath sourcePath = null;
				if (sourcePathStr != null) {
					sourcePath = new Path(sourcePathStr);
				}
				String docPathStr = library.getDocPath();
				IClasspathAttribute[] attributes = ClasspathEntry.NO_EXTRA_ATTRIBUTES;
				if (docPathStr != null || getName().startsWith("Java")) {
					if (docPathStr == null) {
						docPathStr = VariablesPlugin.getDefault().getGlobalVariables().getReferenceApiAsJavaDocCompatibleString();
					}
					if (docPathStr != null) {
						IClasspathAttribute javadoc = JavaCore.newClasspathAttribute(IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME, docPathStr);
						attributes = new IClasspathAttribute[]{ javadoc };
					}
				}
				IClasspathEntry classpathEntry = JavaCore.newLibraryEntry(jarPath, sourceJarPath, sourcePath, ClasspathEntry.NO_ACCESS_RULES, attributes, false);
				classpathEntries.add(classpathEntry);
			}
			cachedClasspathEntries = classpathEntries.toArray(new IClasspathEntry[classpathEntries.size()]);
		}
		
		return cachedClasspathEntries.clone();
	}
}