MessageOnlyLogFilter.java

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/*
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 * Copyright (C) 2013 The Android Open Source Project
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *      http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package com.example.android.common.logger;
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/**
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 * Simple {@link LogNode} filter, removes everything except the message.
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 * Useful for situations like on-screen log output where you don't want a lot of metadata displayed,
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 * just easy-to-read message updates as they're happening.
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 */
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public class MessageOnlyLogFilter implements LogNode {
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    LogNode mNext;
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    /**
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     * Takes the "next" LogNode as a parameter, to simplify chaining.
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     *
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     * @param next The next LogNode in the pipeline.
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     */
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    public MessageOnlyLogFilter(LogNode next) {
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        mNext = next;
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    }
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    public MessageOnlyLogFilter() {
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    }
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    @Override
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    public void println(int priority, String tag, String msg, Throwable tr) {
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        if (mNext != null) {
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            getNext().println(Log.NONE, null, msg, null);
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        }
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    }
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    /**
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     * Returns the next LogNode in the chain.
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     */
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    public LogNode getNext() {
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        return mNext;
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    }
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    /**
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     * Sets the LogNode data will be sent to..
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     */
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    public void setNext(LogNode node) {
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        mNext = node;
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    }
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}