StreamGobbler.java

// 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.
// This file is copied from
// https://github.com/apache/hive/blob/master/hplsql/src/main/java/org/apache/hive/hplsql/StreamGobbler.java
// and modified by Doris

package org.apache.doris.plsql;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * Read a stream from an external process
 */
public class StreamGobbler extends Thread {
    private final Console console;
    private final InputStream is;

    StreamGobbler(InputStream is, Console console) {
        this.is = is;
        this.console = console;
    }

    public void run() {
        try {
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            while (true) {
                String line = br.readLine();
                if (line == null) {
                    break;
                }
                console.printLine(line);
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
}