nz.ac.auckland.ptjava.builder.PTJavaClasspath.java Source code

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Here is the source code for nz.ac.auckland.ptjava.builder.PTJavaClasspath.java

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/*
 * Copyright (C) 2013 Haoming Ma, Oliver Sinnen and others.
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 3 of the License, or 
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, see <http://www.gnu.org/licenses>.
 * 
 * Additional permission under GNU GPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or 
 * combining it with Eclipse (or a modified version of that library), 
 * containing parts covered by the terms of the Eclipse Public License - v1.0, 
 * the licensors of this Program grant you additional permission to 
 * convey the resulting work. {Corresponding Source for a non-source form 
 * of such a combination shall include the source code for the parts 
 * of Eclipse used as well as that of the covered work.}
 * 
 */
package nz.ac.auckland.ptjava.builder;

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

import nz.ac.auckland.ptjava.PTJavaPlugin;
import nz.ac.auckland.ptjava.preferences.PTJavaPreferencePage;
import nz.ac.auckland.ptjava.preferences.PreferenceConstants;

import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
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.jface.preference.IPreferenceStore;

public class PTJavaClasspath {

    /**
     * Add the PTRuntime.jar to the classpath of javaProject
     * 
     * see Platform Plug-in developers guide > Programmer's Guide > Resources overview > Modifying the workspace
     * @param javaProject
     * @throws CoreException
     */
    public static void addPTRuntimeToClasspath(final IJavaProject javaProject) throws CoreException {
        IWorkspaceRunnable runnable = new IWorkspaceRunnable() {
            public void run(IProgressMonitor monitor) {
                addPTRuntimeToClasspath(javaProject, monitor);
            }
        };

        IWorkspace workspace = ResourcesPlugin.getWorkspace();
        workspace.run(runnable, null);
    }

    /**
     * Add the PTRuntime.jar to the classpath of javaProject
     * 
     * @param javaProject
     * @param monitor
     */
    public static void addPTRuntimeToClasspath(IJavaProject javaProject, IProgressMonitor monitor) {
        try {
            IClasspathEntry entries[] = javaProject.getRawClasspath();
            List<IClasspathEntry> list = new ArrayList<IClasspathEntry>(entries.length + 1);
            for (int i = 0; i < entries.length; i++) {
                list.add(entries[i]);
            }

            // add the java runtime library
            IPath path = null;
            IPreferenceStore prefs = PTJavaPlugin.getDefault().getPreferenceStore();
            if (prefs.getBoolean(PreferenceConstants.PTJAVA_USE_CUSTOM_RUNTIME)) {
                path = new Path(prefs.getString(PreferenceConstants.PTJAVA_RUNTIME_PATH));
            } else {
                path = PTJavaPreferencePage.getDefaultRuntimeJarPath();
            }
            list.add(JavaCore.newLibraryEntry(path, null, null));

            IClasspathEntry updatedEntries[] = new IClasspathEntry[list.size()];
            list.toArray(updatedEntries);

            javaProject.setRawClasspath(updatedEntries, monitor);
        } catch (JavaModelException e) {
            e.printStackTrace();
        }
    }
}