com.github.panhongan.utils.process.ProcessDataReader Maven / Gradle / Ivy

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package com.github.panhongan.utils.process;

import com.google.common.base.Preconditions;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Collection;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author lalalu plus
 * @since 2017.8.10
 */

class ProcessDataReader extends Thread {

    private static final Logger logger = LoggerFactory.getLogger(ProcessDataReader.class);

    private final Collection dataList;

    private final InputStream inputStream;

    public ProcessDataReader(InputStream inputStream, Collection list) {
        this.inputStream = inputStream;
        this.dataList = list;
        Preconditions.checkNotNull(inputStream);
        Preconditions.checkNotNull(list);
    }

    @Override
    public void run() {
        try (BufferedReader br = new BufferedReader(new InputStreamReader(inputStream))) {
            String line;
            while ((line = br.readLine()) != null) {
                if (StringUtils.isNotEmpty(line)) {
                    dataList.add(line);
                }
            }
        } catch (Exception e) {
            logger.warn("", e);
        }
    }

    public void waitForCompletion() {
        try {
            this.join();
        } catch (Exception e) {
            logger.warn("", e);
        }
    }

}