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[gb-231r1-is01/GB_2.3_IS01.git] / cts / tools / host / src / com / android / cts / MultiplexingLogListener.java

diff --git a/cts/tools/host/src/com/android/cts/MultiplexingLogListener.java b/cts/tools/host/src/com/android/cts/MultiplexingLogListener.java
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index 0000000..22ce13c
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+++ b/cts/tools/host/src/com/android/cts/MultiplexingLogListener.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.cts;
+
+import com.android.ddmlib.log.LogReceiver.ILogListener;
+import com.android.ddmlib.log.LogReceiver.LogEntry;
+
+import java.util.ArrayList;
+
+/**
+ * This class allows multiplexing of log listeners onto a single device.
+ */
+public class MultiplexingLogListener implements ILogListener {
+    private ArrayList<ILogListener> listeners = new ArrayList<ILogListener>();
+
+    /**
+     * Add a new listener.
+     *
+     * @param listener the listener
+     */
+    public void addListener(ILogListener listener) {
+        listeners.add(listener);
+    }
+
+    /**
+     * Remove an existing listener.
+     *
+     * @param listener the listener to remove.
+     */
+    public void removeListener(ILogListener listener) {
+        listeners.remove(listener);
+    }
+
+
+    /** {@inheritDoc} */
+    public void newData(byte[] data, int offset, int length) {
+        for (ILogListener listener : listeners) {
+            listener.newData(data, offset, length);
+        }
+    }
+
+    /** {@inheritDoc} */
+    public void newEntry(LogEntry entry) {
+        for (ILogListener listener : listeners) {
+            listener.newEntry(entry);
+        }
+    }
+}