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package org.apache.tuscany.sca.android;
import java.util.HashSet;
import java.util.Hashtable;
import android.content.Context;
public class ContextRegistry {
private static Hashtable<String, HashSet<Context>> contexts = new Hashtable<String, HashSet<Context>>();
public static void registerContext(Context context) {
String packageName = context.getPackageName();
HashSet<Context> packContexts = contexts.get(packageName);
if (packContexts == null) {
packContexts = new HashSet<Context>();
contexts.put(packageName, packContexts);
}
packContexts.add(context);
}
public static void unregisterContext(Context context) {
String packageName = context.getPackageName();
HashSet<Context> packContexts = contexts.get(packageName);
if (packContexts != null) {
packContexts.remove(context);
if (packContexts.isEmpty()) {
contexts.remove(packageName);
}
}
}
public static Context[] getContexts(String packageName) {
HashSet<Context> packageContexts = contexts.get(packageName);
if (packageContexts == null) {
return new Context[0];
}
Context[] ret = new Context[packageContexts.size()];
packageContexts.toArray(ret);
return ret;
}
}
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