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Java > Open Source Codes > org > eclipse > pde > internal > ui > wizards > product > BaseManifestOperation


1 /*******************************************************************************
2  * Copyright (c) 2005, 2007 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.pde.internal.ui.wizards.product;
12
13 import org.eclipse.core.resources.IFile;
14 import org.eclipse.core.resources.IProject;
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.core.runtime.IProgressMonitor;
17 import org.eclipse.core.runtime.IStatus;
18 import org.eclipse.core.runtime.Status;
19 import org.eclipse.jface.operation.IRunnableWithProgress;
20 import org.eclipse.osgi.util.NLS;
21 import org.eclipse.pde.core.IBaseModel;
22 import org.eclipse.pde.core.plugin.IFragmentModel;
23 import org.eclipse.pde.core.plugin.IPluginModelBase;
24 import org.eclipse.pde.core.plugin.PluginRegistry;
25 import org.eclipse.pde.internal.core.ibundle.IBundle;
26 import org.eclipse.pde.internal.core.ibundle.IBundlePluginModel;
27 import org.eclipse.pde.internal.core.ibundle.IBundlePluginModelBase;
28 import org.eclipse.pde.internal.core.ibundle.IManifestHeader;
29 import org.eclipse.pde.internal.core.plugin.WorkspaceFragmentModel;
30 import org.eclipse.pde.internal.core.plugin.WorkspacePluginModel;
31 import org.eclipse.pde.internal.core.text.bundle.BundleSymbolicNameHeader;
32 import org.eclipse.pde.internal.ui.PDEPlugin;
33 import org.eclipse.pde.internal.ui.PDEUIMessages;
34 import org.eclipse.pde.internal.ui.util.ModelModification;
35 import org.eclipse.pde.internal.ui.util.PDEModelUtility;
36 import org.eclipse.swt.widgets.Shell;
37 import org.osgi.framework.Constants;
38
39 public abstract class BaseManifestOperation implements IRunnableWithProgress {
40     
41     private Shell fShell;
42     protected String JavaDoc fPluginId;
43
44     public BaseManifestOperation(Shell shell, String JavaDoc pluginId) {
45         fShell = shell;
46         fPluginId = pluginId;
47     }
48     
49     protected Shell getShell() {
50         return fShell;
51     }
52
53     protected IFile getFile() {
54         IPluginModelBase model = PluginRegistry.findModel(fPluginId);
55         IProject project = model.getUnderlyingResource().getProject();
56         String JavaDoc filename = model instanceof IFragmentModel ? "fragment.xml" : "plugin.xml"; //$NON-NLS-1$ //$NON-NLS-2$
57 return project.getFile(filename);
58     }
59     
60     protected IPluginModelBase getModel(IFile file) {
61         if ("plugin.xml".equals(file.getName())) //$NON-NLS-1$
62 return new WorkspacePluginModel(file, false);
63         return new WorkspaceFragmentModel(file, false);
64     }
65     
66     protected void updateSingleton(IProgressMonitor monitor) throws CoreException {
67         IPluginModelBase plugin = PluginRegistry.findModel(fPluginId);
68         if (plugin instanceof IBundlePluginModel) {
69             IFile file = (IFile)plugin.getUnderlyingResource();
70             IStatus status = PDEPlugin.getWorkspace().validateEdit(new IFile[] { file }, fShell);
71             if (status.getSeverity() != IStatus.OK)
72                 throw new CoreException(new Status(IStatus.ERROR, "org.eclipse.pde.ui", IStatus.ERROR, NLS.bind(PDEUIMessages.ProductDefinitionOperation_readOnly, fPluginId), null)); //$NON-NLS-1$
73
74             ModelModification mod = new ModelModification(file) {
75                 protected void modifyModel(IBaseModel model, IProgressMonitor monitor) throws CoreException {
76                     if (!(model instanceof IBundlePluginModelBase))
77                         return;
78                     IBundlePluginModelBase modelBase = (IBundlePluginModelBase)model;
79                     IBundle bundle = modelBase.getBundleModel().getBundle();
80                     IManifestHeader header = bundle.getManifestHeader(Constants.BUNDLE_SYMBOLICNAME);
81                     if (header instanceof BundleSymbolicNameHeader) {
82                         BundleSymbolicNameHeader symbolic = (BundleSymbolicNameHeader)header;
83                         if (!symbolic.isSingleton())
84                             symbolic.setSingleton(true);
85                     }
86                 }
87             };
88             PDEModelUtility.modifyModel(mod, null);
89         }
90     }
91 }
92
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