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/*******************************************************************************
* Copyright (c) 2005, 2012 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
* Benjamin Cabe <benjamin.cabe@anyware-tech.com> - bug 219852, 250334
*******************************************************************************/
package org.eclipse.pde.internal.ui.refactoring;
import org.eclipse.pde.internal.core.text.bundle.PDEManifestElement;
import java.util.ArrayList;
import org.eclipse.core.filebuffers.*;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.*;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.TextFileChange;
import org.eclipse.osgi.util.ManifestElement;
import org.eclipse.pde.internal.core.ICoreConstants;
import org.eclipse.pde.internal.core.bundle.BundlePluginBase;
import org.eclipse.pde.internal.core.ibundle.IBundle;
import org.eclipse.pde.internal.core.ibundle.IManifestHeader;
import org.eclipse.pde.internal.core.text.bundle.*;
import org.eclipse.pde.internal.ui.util.LocaleUtil;
import org.eclipse.pde.internal.ui.util.PDEModelUtility;
import org.eclipse.text.edits.*;
import org.osgi.framework.Constants;
public class BundleManifestChange {
public static Change createMoveToPackageChange(IFile file, MoveFromChange change, IProgressMonitor monitor) throws CoreException {
try {
Bundle bundle = getBundle(file, monitor);
if (bundle == null)
return null;
BundleModel model = (BundleModel) bundle.getModel();
BundleTextChangeListener listener = new BundleTextChangeListener(model.getDocument());
bundle.getModel().addModelChangedListener(listener);
addPackage(bundle, change);
return createChange(listener, file);
} catch (CoreException e) {
} catch (MalformedTreeException e) {
} catch (BadLocationException e) {
} finally {
FileBuffers.getTextFileBufferManager().disconnect(file.getFullPath(), LocationKind.NORMALIZE, monitor);
}
return null;
}
public static MoveFromChange createMovePackageChange(IFile file, Object[] elements, IProgressMonitor monitor) throws CoreException {
try {
Bundle bundle = getBundle(file, monitor);
if (bundle == null)
return null;
BundleModel model = (BundleModel) bundle.getModel();
BundleTextChangeListener listener = new BundleTextChangeListener(model.getDocument());
bundle.getModel().addModelChangedListener(listener);
ArrayList<PDEManifestElement> list = new ArrayList<PDEManifestElement>();
for (int i = 0; i < elements.length; i++) {
if (elements[i] instanceof IJavaElement) {
String packageName = ((IJavaElement) elements[i]).getElementName();
PDEManifestElement export = removePackage(bundle.getManifestHeader(Constants.EXPORT_PACKAGE), packageName);
if (export != null)
list.add(export);
}
}
TextEdit[] operations = listener.getTextOperations();
if (operations.length > 0) {
MoveFromChange change = new MoveFromChange("", file); //$NON-NLS-1$
MultiTextEdit edit = new MultiTextEdit();
edit.addChildren(operations);
change.setEdit(edit);
PDEModelUtility.setChangeTextType(change, file);
if (list.size() > 0)
change.setMovedElements(list.toArray(new PDEManifestElement[list.size()]));
return change;
}
} catch (CoreException e) {
} catch (MalformedTreeException e) {
} catch (BadLocationException e) {
} finally {
FileBuffers.getTextFileBufferManager().disconnect(file.getFullPath(), LocationKind.NORMALIZE, monitor);
}
return null;
}
public static Change createRenameChange(IFile file, Object[] elements, String[] newTexts, IProgressMonitor monitor) throws CoreException {
try {
Bundle bundle = getBundle(file, monitor);
if (bundle == null)
return null;
BundleModel model = (BundleModel) bundle.getModel();
BundleTextChangeListener listener = new BundleTextChangeListener(model.getDocument());
bundle.getModel().addModelChangedListener(listener);
boolean localizationRenamed = false;
for (int i = 0; i < elements.length; i++) {
Object element = elements[i];
String newText = newTexts[i];
if (element instanceof IFile) {
String fileName = ((IFile) element).getProjectRelativePath().toString();
if (!localizationRenamed && fileName.endsWith(".properties")) { //$NON-NLS-1$
String oldText = fileName.substring(0, fileName.lastIndexOf(".")); //$NON-NLS-1$
String oldLocalization = bundle.getLocalization();
if (LocaleUtil.trimLocalization(oldText).equals(oldLocalization)) {
renameLocalization(bundle, oldText, newText);
localizationRenamed = true;
}
}
} else if (element instanceof IType) {
String oldText = ((IType) element).getFullyQualifiedName('$');
resetHeaderValue(bundle.getManifestHeader(Constants.BUNDLE_ACTIVATOR), false, oldText, newText);
resetHeaderValue(bundle.getManifestHeader(ICoreConstants.PLUGIN_CLASS), false, oldText, newText);
} else if (element instanceof IPackageFragment) {
String oldText = ((IPackageFragment) element).getElementName();
resetHeaderValue(bundle.getManifestHeader(Constants.BUNDLE_ACTIVATOR), true, oldText, newText);
resetHeaderValue(bundle.getManifestHeader(ICoreConstants.PLUGIN_CLASS), true, oldText, newText);
renamePackage(bundle.getManifestHeader(Constants.EXPORT_PACKAGE), oldText, newText);
renamePackage(bundle.getManifestHeader(ICoreConstants.PROVIDE_PACKAGE), oldText, newText);
renamePackage(bundle.getManifestHeader(Constants.IMPORT_PACKAGE), oldText, newText);
}
}
return createChange(listener, file);
} catch (CoreException e) {
} catch (MalformedTreeException e) {
} catch (BadLocationException e) {
} finally {
FileBuffers.getTextFileBufferManager().disconnect(file.getFullPath(), LocationKind.NORMALIZE, monitor);
}
return null;
}
private static Change createChange(BundleTextChangeListener listener, IFile file) {
TextEdit[] operations = listener.getTextOperations();
if (operations.length > 0) {
TextFileChange change = new TextFileChange("", file); //$NON-NLS-1$
MultiTextEdit edit = new MultiTextEdit();
edit.addChildren(operations);
change.setEdit(edit);
PDEModelUtility.setChangeTextType(change, file);
return change;
}
return null;
}
private static void renameLocalization(Bundle bundle, String oldText, String newText) {
if (newText.endsWith(".properties")) //$NON-NLS-1$
bundle.setHeader(Constants.BUNDLE_LOCALIZATION, LocaleUtil.trimLocalization(newText));
else
bundle.setHeader(Constants.BUNDLE_LOCALIZATION, null);
}
private static void resetHeaderValue(IManifestHeader header, boolean isPackage, String oldText, String newText) {
if (header != null) {
String value = header.getValue();
if (oldText.equals(value) || isGoodMatch(value, oldText, isPackage)) {
StringBuffer buffer = new StringBuffer(newText);
buffer.append(value.substring(oldText.length()));
header.setValue(buffer.toString());
}
}
}
private static boolean isGoodMatch(String value, String oldName, boolean isPackage) {
if (value == null || value.length() <= oldName.length())
return false;
boolean goodLengthMatch = isPackage ? value.lastIndexOf('.') <= oldName.length() : value.charAt(oldName.length()) == '$';
return value.startsWith(oldName) && goodLengthMatch;
}
private static void renamePackage(IManifestHeader header, String oldName, String newName) {
if (header instanceof BasePackageHeader) {
BasePackageHeader bHeader = (BasePackageHeader) header;
bHeader.renamePackage(oldName, newName);
}
}
private static PDEManifestElement removePackage(IManifestHeader header, String name) {
PDEManifestElement result = null;
if (header instanceof BasePackageHeader) {
BasePackageHeader bHeader = (BasePackageHeader) header;
result = ((PackageObject) bHeader.removePackage(name));
}
return result;
}
private static void addPackage(Bundle bundle, MoveFromChange change) {
String headerName = getExportedPackageHeader(bundle);
ExportPackageHeader header = (ExportPackageHeader) bundle.getManifestHeader(headerName);
ManifestElement[] elements = change.getMovedElements();
for (int i = 0; i < elements.length; i++) {
if (header != null) {
if (!header.hasPackage(change.getPackageName(i))) {
header.addPackage(new ExportPackageObject(header, elements[i], getVersionAttribute(header.getBundle())));
}
} else {
bundle.setHeader(headerName, change.getMovedText(i));
header = (ExportPackageHeader) bundle.getManifestHeader(headerName);
}
}
}
private static String getVersionAttribute(IBundle bundle) {
int manifestVersion = BundlePluginBase.getBundleManifestVersion(bundle);
return (manifestVersion < 2) ? ICoreConstants.PACKAGE_SPECIFICATION_VERSION : Constants.VERSION_ATTRIBUTE;
}
private static String getExportedPackageHeader(IBundle bundle) {
int manifestVersion = BundlePluginBase.getBundleManifestVersion(bundle);
return (manifestVersion < 2) ? ICoreConstants.PROVIDE_PACKAGE : Constants.EXPORT_PACKAGE;
}
public static Bundle getBundle(IFile file, IProgressMonitor monitor) throws CoreException, MalformedTreeException, BadLocationException {
ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
manager.connect(file.getFullPath(), LocationKind.NORMALIZE, monitor);
IDocument document = manager.getTextFileBuffer(file.getFullPath(), LocationKind.NORMALIZE).getDocument();
BundleModel model = new BundleModel(document, false);
model.load();
return model.isLoaded() ? (Bundle) model.getBundle() : null;
}
}
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