org.apache.hadoop.chukwa.inputtools.mdl.ErStreamHandler.java Source code

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Here is the source code for org.apache.hadoop.chukwa.inputtools.mdl.ErStreamHandler.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.hadoop.chukwa.inputtools.mdl;

import java.lang.Thread;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.lang.StringBuffer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ErStreamHandler extends Thread {
    InputStream inpStr;
    String command;
    boolean record;

    private static Log log = LogFactory.getLog(ErStreamHandler.class);

    public ErStreamHandler(InputStream inpStr, String command, boolean record) {
        this.inpStr = inpStr;
        this.command = command;
        this.record = record;

    }

    public void run() {
        try {
            InputStreamReader inpStrd = new InputStreamReader(inpStr);
            BufferedReader buffRd = new BufferedReader(inpStrd);
            String line = null;
            StringBuffer sb = new StringBuffer();
            while ((line = buffRd.readLine()) != null) {
                sb.append(line);
            }
            buffRd.close();

            if (record && sb.length() > 0) {
                log.error(command + " execution error:" + sb.toString());
            }

        } catch (Exception e) {
            log.error(command + " error:" + e.getMessage());
        }
    }

}