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.compat.annotation.UnsupportedAppUsage; 20 import android.util.Log; 21 22 /** 23 * Print stream which log lines using Android's logging system. 24 * 25 * {@hide} 26 */ 27 @android.ravenwood.annotation.RavenwoodKeepWholeClass 28 class AndroidPrintStream extends LoggingPrintStream { 29 30 private final int priority; 31 private final String tag; 32 33 /** 34 * Constructs a new logging print stream. 35 * 36 * @param priority from {@link android.util.Log} 37 * @param tag to log 38 */ 39 @UnsupportedAppUsage AndroidPrintStream(int priority, String tag)40 public AndroidPrintStream(int priority, String tag) { 41 if (tag == null) { 42 throw new NullPointerException("tag"); 43 } 44 45 this.priority = priority; 46 this.tag = tag; 47 } 48 log(String line)49 protected void log(String line) { 50 Log.println(priority, tag, line); 51 } 52 } 53