com.ecfeed.ui.common.EclipseLoaderProvider.java Source code

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Here is the source code for com.ecfeed.ui.common.EclipseLoaderProvider.java

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/*******************************************************************************
 *
 * Copyright (c) 2016 ecFeed AS.                                                
 * 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 
 *  
 *******************************************************************************/

package com.ecfeed.ui.common;

import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;

import com.ecfeed.core.adapter.java.ILoaderProvider;
import com.ecfeed.core.adapter.java.ModelClassLoader;

public class EclipseLoaderProvider implements ILoaderProvider {

    private static ModelClassLoader fLoader;

    public ModelClassLoader getLoader(boolean create, ClassLoader parent) {
        if ((fLoader == null) || create) {
            List<URL> urls = new ArrayList<URL>();
            try {
                IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
                for (IProject project : projects) {
                    if (project.isOpen() && project.hasNature(JavaCore.NATURE_ID)) {
                        IJavaProject javaProject = JavaCore.create(project);
                        IPath path = project.getLocation()
                                .append(javaProject.getOutputLocation().removeFirstSegments(1));
                        urls.add(new URL("file", null, path.toOSString() + "/"));
                        IClasspathEntry table[] = javaProject.getResolvedClasspath(true);
                        for (int i = 0; i < table.length; ++i) {
                            if (table[i].getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
                                urls.add(new URL("file", null, table[i].getPath().toOSString()));
                                path = project.getLocation();
                                path = path.append(table[i].getPath().removeFirstSegments(1));
                                urls.add(new URL("file", null, path.toOSString()));
                            }
                        }
                    }
                }
                if (fLoader != null) {
                    fLoader.close();
                }
            } catch (Throwable e) {
            }
            fLoader = new ModelClassLoader(urls.toArray(new URL[] {}), parent);
        }
        return fLoader;
    }
}