content: /*
   * Copyright (C) 2013 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.example.android.common.logger;
  
  /**
   * Simple {@link LogNode} filter, removes everything except the message.
   * Useful for situations like on-screen log output where you don't want a lot of metadata displayed,
   * just easy-to-read message updates as they're happening.
   */
  public class MessageOnlyLogFilter implements LogNode {
  
      LogNode mNext;
  
      /**
       * Takes the "next" LogNode as a parameter, to simplify chaining.
       *
       * @param next The next LogNode in the pipeline.
       */
      public MessageOnlyLogFilter(LogNode next) {
          mNext = next;
      }
  
      public MessageOnlyLogFilter() {
      }
  
      @Override
      public void println(int priority, String tag, String msg, Throwable tr) {
          if (mNext != null) {
              getNext().println(Log.NONE, null, msg, null);
          }
      }
  
      /**
       * Returns the next LogNode in the chain.
       */
      public LogNode getNext() {
          return mNext;
      }
  
      /**
       * Sets the LogNode data will be sent to..
       */
      public void setNext(LogNode node) {
          mNext = node;
      }
  
  }
  