com.siteview.mde.internal.ui.refactoring.ManifestPackageRenameParticipant.java Source code

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Here is the source code for com.siteview.mde.internal.ui.refactoring.ManifestPackageRenameParticipant.java

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/*******************************************************************************
 *  Copyright (c) 2005, 2008 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 com.siteview.mde.internal.ui.refactoring;

import com.siteview.mde.core.monitor.IMonitorModelBase;
import com.siteview.mde.core.monitor.MonitorRegistry;

import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.*;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import org.eclipse.osgi.service.resolver.*;
import com.siteview.mde.internal.core.WorkspaceModelManager;
import com.siteview.mde.internal.core.ibundle.IBundlePluginModelBase;
import com.siteview.mde.internal.ui.MDEUIMessages;

public class ManifestPackageRenameParticipant extends PDERenameParticipant {

    protected boolean initialize(Object element) {
        try {
            if (element instanceof IPackageFragment) {
                IPackageFragment fragment = (IPackageFragment) element;
                if (!fragment.containsJavaResources())
                    return false;
                IJavaProject javaProject = (IJavaProject) fragment.getAncestor(IJavaElement.JAVA_PROJECT);
                IProject project = javaProject.getProject();
                if (WorkspaceModelManager.isPluginProject(project)) {
                    fProject = javaProject.getProject();
                    fElements = new HashMap();
                    fElements.put(fragment, getArguments().getNewName());
                    return true;
                }
            }
        } catch (JavaModelException e) {
        }
        return false;
    }

    public String getName() {
        return MDEUIMessages.ManifestPackageRenameParticipant_packageRename;
    }

    protected void addBundleManifestChange(CompositeChange result, IProgressMonitor pm) throws CoreException {
        super.addBundleManifestChange(result, pm);
        IMonitorModelBase model = MonitorRegistry.findModel(fProject);
        if (model != null) {
            BundleDescription desc = model.getBundleDescription();
            if (desc != null) {
                BundleDescription[] dependents = desc.getDependents();
                for (int i = 0; i < dependents.length; i++) {
                    if (isAffected(desc, dependents[i])) {
                        IMonitorModelBase candidate = MonitorRegistry.findModel(dependents[i]);
                        if (candidate instanceof IBundlePluginModelBase) {
                            IFile file = (IFile) candidate.getUnderlyingResource();
                            addBundleManifestChange(file, result, pm);
                        }
                    }
                }
            }
        }
    }

    private boolean isAffected(BundleDescription desc, BundleDescription dependent) {
        ImportPackageSpecification[] imports = dependent.getImportPackages();
        Iterator iter = fElements.keySet().iterator();
        while (iter.hasNext()) {
            String name = ((IJavaElement) iter.next()).getElementName();
            for (int i = 0; i < imports.length; i++) {
                if (name.equals(imports[i].getName())) {
                    BaseDescription supplier = imports[i].getSupplier();
                    if (supplier instanceof ExportPackageDescription) {
                        if (desc.equals(((ExportPackageDescription) supplier).getExporter()))
                            return true;
                    }
                }
            }
        }
        return false;
    }

}