fr.imag.adele.fede.workspace.si.java.JobReloadClassPathMapping.java Source code

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Here is the source code for fr.imag.adele.fede.workspace.si.java.JobReloadClassPathMapping.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 * Copyright (C) 2006-2010 Adele Team/LIG/Grenoble University, France
 */
package fr.imag.adele.fede.workspace.si.java;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;

import fede.workspace.dependencies.eclipse.java.ItemDependenciesClasspathEntry;
import fr.imag.adele.cadse.core.CadseDomain;
import fr.imag.adele.cadse.core.Item;
import fr.imag.adele.cadse.core.LogicalWorkspace;
import fr.imag.adele.cadse.core.WSModelState;

/**
 * The Class JobInitMapping.
 * 
 * @author <a href="mailto:stephane.chomat@imag.fr">Stephane Chomat</a>
 */
final class JobReloadClassPathMapping extends Job {
    /**
     * 
     */
    private final Java javaInstance;

    /** The model. */
    LogicalWorkspace model;

    /**
     * Instantiates a new job init mapping.
     * @param java TODO
     * 
     * @param model
     *            the model
     */
    public JobReloadClassPathMapping(Java java) {
        super("init java class path");
        javaInstance = java;
    }

    public void testworkspaceToSleep(final IProgressMonitor monitor) {
        if (monitor.isCanceled())
            return;
        CadseDomain cu = javaInstance.getWorkspaceCU();
        model = cu == null ? null : cu.getLogicalWorkspace();
        if (model == null || model.getState() != WSModelState.RUN) {
            new Thread() {
                @Override
                public void run() {
                    while (true) {
                        if (monitor.isCanceled())
                            return;
                        try {
                            sleep(5000);
                        } catch (InterruptedException e) {

                        }
                        CadseDomain cu = javaInstance.getWorkspaceCU();
                        if (cu == null)
                            continue;
                        model = cu.getLogicalWorkspace();
                        if (model != null && model.getState() == WSModelState.RUN)
                            break;
                    }
                    wakeUp();
                }
            }.start();
            sleep();
        }
        if (monitor.isCanceled())
            return;

        // model != null && state == run
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
     */
    @Override
    protected IStatus run(IProgressMonitor monitor) {
        if (monitor.isCanceled())
            return Status.OK_STATUS;
        testworkspaceToSleep(monitor);
        if (monitor.isCanceled())
            return Status.OK_STATUS;
        if (model == null)
            return Status.OK_STATUS;
        Map<IJavaProject, IClasspathContainer> toset = new HashMap<IJavaProject, IClasspathContainer>();
        for (Item item : model.getItems()) {
            try {
                if (monitor.isCanceled())
                    return Status.OK_STATUS;
                IJavaProject jp = item.getMainMappingContent(IJavaProject.class); // force
                // to
                // load
                // content
                if (jp == null) {
                    continue;
                }

                IClasspathContainer cc = JavaCore
                        .getClasspathContainer(ItemDependenciesClasspathEntry.CLASSPATH_ENTRY_PATH, jp);
                if (cc == null) {
                    toset.put(jp, new ItemDependenciesClasspathEntry(jp, jp.getElementName(), item, null, null));
                    continue;
                }
                if (cc instanceof ItemDependenciesClasspathEntry) {
                    if (((ItemDependenciesClasspathEntry) cc).isResolved()) {
                        continue;
                    }
                    toset.put(jp, new ItemDependenciesClasspathEntry(jp, jp.getElementName(), item, null, cc));
                }
            } catch (Throwable e) {
                e.printStackTrace();
            }
        }
        if (toset.size() > 0) {
            try {
                // update classpath for all affected workspace plug-ins in
                // one operation
                IJavaProject[] jProjects = toset.keySet().toArray(new IJavaProject[toset.size()]);
                IClasspathContainer[] containers = toset.values().toArray(new IClasspathContainer[toset.size()]);
                JavaCore.setClasspathContainer(ItemDependenciesClasspathEntry.CLASSPATH_ENTRY_PATH, jProjects,
                        containers, null);
            } catch (JavaModelException e) {
            }
        }
        return Status.OK_STATUS;
    }
}