Android Open Source - NavigationDrawer Message Only Log Filter

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The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2013 The Android Open Source Project
 *//from   www  . ja  va  2s  . c om
 * 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;
  }

}

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