Alexander Lucas | 97842ff | 2014-03-07 14:56:55 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2013 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.example.android.common.logger; |
| 17 | |
| 18 | /** |
| 19 | * Simple {@link LogNode} filter, removes everything except the message. |
| 20 | * Useful for situations like on-screen log output where you don't want a lot of metadata displayed, |
| 21 | * just easy-to-read message updates as they're happening. |
| 22 | */ |
| 23 | public class MessageOnlyLogFilter implements LogNode { |
| 24 | |
| 25 | LogNode mNext; |
| 26 | |
| 27 | /** |
| 28 | * Takes the "next" LogNode as a parameter, to simplify chaining. |
| 29 | * |
| 30 | * @param next The next LogNode in the pipeline. |
| 31 | */ |
| 32 | public MessageOnlyLogFilter(LogNode next) { |
| 33 | mNext = next; |
| 34 | } |
| 35 | |
| 36 | public MessageOnlyLogFilter() { |
| 37 | } |
| 38 | |
| 39 | @Override |
| 40 | public void println(int priority, String tag, String msg, Throwable tr) { |
| 41 | if (mNext != null) { |
| 42 | getNext().println(Log.NONE, null, msg, null); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Returns the next LogNode in the chain. |
| 48 | */ |
| 49 | public LogNode getNext() { |
| 50 | return mNext; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Sets the LogNode data will be sent to.. |
| 55 | */ |
| 56 | public void setNext(LogNode node) { |
| 57 | mNext = node; |
| 58 | } |
| 59 | |
| 60 | } |