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/*******************************************************************************
* Copyright (c) 2013 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 org.eclipse.osgi.compatibility.plugins;
import java.io.File;
import java.io.IOException;
import java.util.Enumeration;
import org.eclipse.osgi.framework.util.Headers;
import org.eclipse.osgi.internal.hookregistry.*;
import org.eclipse.osgi.service.pluginconversion.PluginConversionException;
import org.eclipse.osgi.service.pluginconversion.PluginConverter;
import org.eclipse.osgi.storage.BundleInfo.Generation;
import org.eclipse.osgi.storage.bundlefile.*;
import org.osgi.framework.*;
public class PluginConverterHook implements HookConfigurator {
@Override
public void addHooks(final HookRegistry hookRegistry) {
PluginConverterImpl tempConverter;
try {
tempConverter = new PluginConverterImpl(hookRegistry);
} catch (IOException e) {
throw new RuntimeException(e);
}
final PluginConverterImpl converter = tempConverter;
hookRegistry.addBundleFileWrapperFactoryHook(new BundleFileWrapperFactoryHook() {
@Override
public BundleFile wrapBundleFile(final BundleFile bundleFile, Generation generation, boolean base) {
if (!base) {
return null;
}
return new BundleFile(bundleFile.getBaseFile()) {
@Override
public void open() throws IOException {
bundleFile.open();
}
@Override
public File getFile(String path, boolean nativeCode) {
return bundleFile.getFile(path, nativeCode);
}
@Override
public Enumeration<String> getEntryPaths(String path) {
return bundleFile.getEntryPaths(path);
}
@Override
public BundleEntry getEntry(String path) {
BundleEntry entry = bundleFile.getEntry(path);
if (!PluginConverterImpl.OSGI_BUNDLE_MANIFEST.equals(path)) {
return entry;
}
Headers<String, String> headers = null;
if (entry != null) {
try {
headers = Headers.parseManifest(entry.getInputStream());
} catch (Exception e) {
throw new RuntimeException(e);
}
if (headers.containsKey(Constants.BUNDLE_MANIFESTVERSION)) {
return entry;
}
if (headers.containsKey(Constants.BUNDLE_SYMBOLICNAME)) {
return entry;
}
}
try {
File manifest = converter.convertManifest(bundleFile.getBaseFile(), null, true, null, true, null, false);
if (manifest == null) {
return entry;
}
return new FileBundleEntry(manifest, PluginConverterImpl.OSGI_BUNDLE_MANIFEST);
} catch (PluginConversionException e) {
throw new RuntimeException(e);
}
}
@Override
public boolean containsDir(String dir) {
return bundleFile.containsDir(dir);
}
@Override
public void close() throws IOException {
bundleFile.close();
}
};
}
});
hookRegistry.addActivatorHookFactory(new ActivatorHookFactory() {
@Override
public BundleActivator createActivator() {
return new BundleActivator() {
ServiceRegistration<PluginConverter> reg;
@Override
public void start(BundleContext context) throws Exception {
reg = context.registerService(PluginConverter.class, converter, null);
}
@Override
public void stop(BundleContext context) throws Exception {
reg.unregister();
}
};
}
});
}
}
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