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      1 /*
      2  * Copyright (C) 2008 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 
     17 package com.android.internal.os;
     18 
     19 import android.util.Log;
     20 
     21 /**
     22  * Print stream which log lines using Android's logging system.
     23  *
     24  * {@hide}
     25  */
     26 class AndroidPrintStream extends LoggingPrintStream {
     27 
     28     private final int priority;
     29     private final String tag;
     30 
     31     /**
     32      * Constructs a new logging print stream.
     33      *
     34      * @param priority from {@link android.util.Log}
     35      * @param tag to log
     36      */
     37     public AndroidPrintStream(int priority, String tag) {
     38         if (tag == null) {
     39             throw new NullPointerException("tag");
     40         }
     41 
     42         this.priority = priority;
     43         this.tag = tag;
     44     }
     45 
     46     protected void log(String line) {
     47         Log.println(priority, tag, line);
     48     }
     49 }
     50