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/*******************************************************************************
* Copyright (c) 2007 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.equinox.internal.p2.touchpoint.eclipse;
import java.io.File;
import java.net.URL;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.internal.p2.update.*;
import org.eclipse.equinox.internal.provisional.p2.core.ProvisionException;
/**
* This class provides a wrapper for reading and writing platform.xml.
*
* Only a minimal set of operations is exposed.
*/
public class PlatformConfigurationWrapper {
private Configuration configuration = null;
private Site poolSite = null;
private File configFile;
private URL poolURL;
private static String FEATURES = "features/"; //$NON-NLS-1$
public PlatformConfigurationWrapper(URL configDir, URL featurePool) {
this.configuration = null;
this.configFile = new File(configDir.getFile(), "/org.eclipse.update/platform.xml"); //$NON-NLS-1$
this.poolURL = featurePool;
}
private void loadDelegate() {
if (configuration != null)
return;
try {
if (configFile.exists()) {
configuration = Configuration.load(configFile);
} else {
configuration = new Configuration();
}
} catch (ProvisionException pe) {
// TODO: Make this a real message
throw new IllegalStateException("Error parsing platform configuration."); //$NON-NLS-1$;
}
List sites = configuration.getSites();
for (Iterator iter = sites.iterator(); iter.hasNext();) {
Site nextSite = (Site) iter.next();
String nextURL = nextSite.getUrl();
if (nextURL.equals(poolURL.toExternalForm())) {
poolSite = nextSite;
break;
}
}
if (poolSite == null) {
poolSite = new Site();
poolSite.setUrl(poolURL.toExternalForm());
poolSite.setPolicy(Site.POLICY_MANAGED_ONLY);
poolSite.setEnabled(true);
configuration.add(poolSite);
}
}
/*
* @see org.eclipse.update.configurator.IPlatformConfiguration#createFeatureEntry(java.lang.String, java.lang.String, java.lang.String, java.lang.String, boolean, java.lang.String, java.net.URL[])
*/
public IStatus addFeatureEntry(String id, String version, String pluginIdentifier, String pluginVersion, boolean primary, String application, URL[] root) {
loadDelegate();
if (configuration == null)
return new Status(IStatus.WARNING, Activator.ID, "Platform configuration not available.", null); //$NON-NLS-1$
Feature addedFeature = new Feature(poolSite);
addedFeature.setId(id);
addedFeature.setVersion(version);
addedFeature.setUrl(makeFeatureURL(id, version));
poolSite.addFeature(addedFeature);
return Status.OK_STATUS;
}
/*
* @see org.eclipse.update.configurator.IPlatformConfiguration#findConfiguredFeatureEntry(java.lang.String)
*/
public IStatus removeFeatureEntry(String id, String version) {
loadDelegate();
if (configuration == null)
return new Status(IStatus.WARNING, Activator.ID, "Platform configuration not available.", null); //$NON-NLS-1$
Feature removedFeature = poolSite.removeFeature(makeFeatureURL(id, version));
return (removedFeature != null ? Status.OK_STATUS : new Status(IStatus.ERROR, Activator.ID, "A feature with the specified id was not found.", null)); //$NON-NLS-1$
}
/*
* @see org.eclipse.update.configurator.IPlatformConfiguration#save()
*/
public void save() throws ProvisionException {
if (configuration != null) {
configFile.getParentFile().mkdirs();
configuration.save(configFile);
}
}
private static String makeFeatureURL(String id, String version) {
return FEATURES + id + "_" + version + "/"; //$NON-NLS-1$ //$NON-NLS-2$;
}
// }
}
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