org.eclipse.jst.j2ee.internal.common.UpdateProjectClasspath.java Source code

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Here is the source code for org.eclipse.jst.j2ee.internal.common.UpdateProjectClasspath.java

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/*******************************************************************************
 * Copyright (c) 2003, 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jst.j2ee.internal.common;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.ClasspathEntry;
import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;

public class UpdateProjectClasspath {

    public UpdateProjectClasspath(String sourceFolder, String componentName, IProject jProject) {
        addSrcFolderToProject(sourceFolder, componentName, jProject);
    }

    private IClasspathEntry[] getClasspathEntries(String sourceFolder, String componentName, IProject jProject) {

        ArrayList list = new ArrayList();
        list.add(JavaCore.newSourceEntry(jProject.getFullPath().append(sourceFolder)));

        IClasspathEntry[] classpath = new IClasspathEntry[list.size()];

        IPath newOutputPath = null;
        for (int i = 0; i < classpath.length; i++) {
            classpath[i] = (IClasspathEntry) list.get(i);
            newOutputPath = Path.fromOSString(Path.SEPARATOR + jProject.getName() + "/bin/"); //$NON-NLS-1$
            ((ClasspathEntry) classpath[i]).specificOutputLocation = newOutputPath;
        }
        return classpath;
    }

    private void addSrcFolderToProject(String sourceFolder, String componentName, IProject jProject) {

        IJavaProject javaProject = JavaCore.create(jProject);
        try {

            IClasspathEntry[] oldEntries = javaProject.getRawClasspath();
            List oldEntriesList, classpathList;
            IClasspathEntry[] newEntries = getClasspathEntries(sourceFolder, componentName, jProject);
            /**
             * Warning clean-up 12/05/2005
             */
            //int oldSize = oldEntries.length;
            //int newSize = newEntries.length;

            classpathList = new ArrayList();
            oldEntriesList = Arrays.asList(oldEntries);
            classpathList.addAll(oldEntriesList);
            for (int j = 0; j < newEntries.length; j++) {
                if (!oldEntriesList.contains(newEntries[j])) {
                    classpathList.add(newEntries[j]);
                }
            }
            IClasspathEntry[] classpathEntries = (IClasspathEntry[]) classpathList
                    .toArray(new IClasspathEntry[classpathList.size()]);
            javaProject.setRawClasspath(classpathEntries, null);
        } catch (JavaModelException e) {
            J2EEPlugin.logError(e);
        }
    }
}