/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.meta.key;
import java.io.IOException;
import java.net.URL;
import java.util.*;
import org.eclipse.core.runtime.*;
import org.osgi.framework.Bundle;
import org.jboss.tools.common.model.plugin.ModelPlugin;
public class KeyLoader {
public static Properties load(String locale) {
Properties keys = new Properties();
Set<URL> set = getKeyResources(locale);
Iterator<URL> it = set.iterator();
if(!it.hasNext()) return keys;
while(it.hasNext()) {
URL url = it.next();
Properties p = new Properties();
try {
p.load(url.openConnection().getInputStream());
} catch (IOException e) {
ModelPlugin.getPluginLog().logError("KeyLoader:load" + url); //$NON-NLS-1$
}
Enumeration ks = p.keys();
while(ks.hasMoreElements()) {
String k = (String)ks.nextElement();
keys.setProperty(k, p.getProperty(k));
}
}
return keys;
}
private static Set<URL> getKeyResources(String locale) {
Set<URL> resources = new HashSet<URL>();
IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint("org.jboss.tools.common.model.keys"); //$NON-NLS-1$
IExtension[] es = point.getExtensions();
for (int i = 0; i < es.length; i++) {
Bundle bundle = Platform.getBundle(es[i].getNamespaceIdentifier());
IConfigurationElement[] elements = es[i].getConfigurationElements();
for (int j = 0; j < elements.length; j++) {
String path = elements[j].getAttribute("path"); //$NON-NLS-1$
if(path.endsWith(".properties") && locale != null && locale.length() > 0) { //$NON-NLS-1$
path = path.substring(0, path.length() - ".properties".length()) + "_" + locale + ".properties"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
}
try {
URL url = bundle.getResource(path);
if(url != null) {
resources.add(url);
}
} catch (IllegalStateException e) {
ModelPlugin.getPluginLog().logInfo("KeyLoader: Plugin " + es[i].getNamespaceIdentifier() + " is uninstalled"); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}
return resources;
}
}