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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.core.runtime.adaptor;
import java.util.Dictionary;
import java.util.Enumeration;
import org.eclipse.osgi.framework.adaptor.FrameworkAdaptor;
import org.eclipse.osgi.framework.log.FrameworkLogEntry;
import org.osgi.framework.*;
import org.osgi.framework.BundleException;
import org.osgi.framework.Constants;
/**
* Internal class.
*/
public class CachedManifest extends Dictionary {
Dictionary manifest = null;
EclipseBundleData bundledata;
public CachedManifest(EclipseBundleData bundledata) {
this.bundledata = bundledata;
}
Dictionary getManifest() {
if (manifest == null)
try {
manifest = bundledata.loadManifest();
} catch (BundleException e) {
final String message = EclipseAdaptorMsg.formatter.getString("ECLIPSE_CACHEDMANIFEST_UNEXPECTED_EXCEPTION", bundledata.getLocation()); //$NON-NLS-1$
FrameworkLogEntry entry = new FrameworkLogEntry(FrameworkAdaptor.FRAMEWORK_SYMBOLICNAME, message, 0, e, null);
EclipseAdaptor.getDefault().getFrameworkLog().log(entry);
return null;
}
return manifest;
}
public int size() {
//TODO: getManifest may return null
return getManifest().size();
}
public boolean isEmpty() {
return size() == 0;
}
public Enumeration elements() {
//TODO: getManifest may return null
return getManifest().elements();
}
public Enumeration keys() {
//TODO: getManifest may return null
return getManifest().keys();
}
public Object get(Object key) {
String keyString = (String) key;
if (Constants.BUNDLE_VERSION.equalsIgnoreCase(keyString)) {
Version result = bundledata.getVersion();
return result == null ? null : result.toString();
}
if (EclipseAdaptor.PLUGIN_CLASS.equalsIgnoreCase(keyString))
return bundledata.getPluginClass();
if (Constants.BUNDLE_SYMBOLICNAME.equalsIgnoreCase(keyString))
return bundledata.getSymbolicName();
Dictionary result = getManifest();
return result == null ? null : result.get(key);
}
public Object remove(Object key) {
//TODO: getManifest may return null
return getManifest().remove(key);
}
public Object put(Object key, Object value) {
//TODO: getManifest may return null
return getManifest().put(key, value);
}
}
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