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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.tradefed.device;
     17 
     18 import com.android.ddmlib.AndroidDebugBridge;
     19 import com.android.ddmlib.AndroidDebugBridge.IDeviceChangeListener;
     20 import com.android.ddmlib.IDevice;
     21 
     22 /**
     23  * A wrapper that directs {@link IAndroidDebugBridge} calls to the 'real'
     24  * {@link AndroidDebugBridge}.
     25  */
     26 class AndroidDebugBridgeWrapper implements IAndroidDebugBridge {
     27 
     28     private AndroidDebugBridge mAdbBridge = null;
     29 
     30     /**
     31      * Creates a {@link AndroidDebugBridgeWrapper}.
     32      */
     33     AndroidDebugBridgeWrapper() {
     34     }
     35 
     36     /**
     37      * {@inheritDoc}
     38      */
     39     @Override
     40     public IDevice[] getDevices() {
     41         if (mAdbBridge == null) {
     42             throw new IllegalStateException("getDevices called before init");
     43         }
     44         return mAdbBridge.getDevices();
     45     }
     46 
     47     /**
     48      * {@inheritDoc}
     49      */
     50     @Override
     51     public void addDeviceChangeListener(IDeviceChangeListener listener) {
     52         AndroidDebugBridge.addDeviceChangeListener(listener);
     53     }
     54 
     55     /**
     56      * {@inheritDoc}
     57      */
     58     @Override
     59     public void removeDeviceChangeListener(IDeviceChangeListener listener) {
     60         AndroidDebugBridge.removeDeviceChangeListener(listener);
     61     }
     62 
     63     /**
     64      * {@inheritDoc}
     65      */
     66     @Override
     67     public void init(boolean clientSupport, String adbOsLocation) {
     68         AndroidDebugBridge.init(clientSupport);
     69         mAdbBridge = AndroidDebugBridge.createBridge(adbOsLocation, false);
     70     }
     71 
     72     /**
     73      * {@inheritDoc}
     74      */
     75     @Override
     76     public void terminate() {
     77         AndroidDebugBridge.terminate();
     78     }
     79 
     80     /**
     81      * {@inheritDoc}
     82      */
     83     @Override
     84     public void disconnectBridge() {
     85         AndroidDebugBridge.disconnectBridge();
     86     }
     87 }
     88