Example usage for org.apache.commons.compress.archivers.ar ArArchiveInputStream read

Introduction

In this page you can find the example usage for org.apache.commons.compress.archivers.ar ArArchiveInputStream read.

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads some number of bytes from the input stream and stores them into the buffer array b.

Usage

From source file:com.espringtran.compressor4j.processor.ArProcessor.java

/**
 * Read from compressed file//from w  w w  . jav a 2 s. co  m
 * 
 * @param srcPath
 *            path of compressed file
 * @param fileCompressor
 *            FileCompressor object
 * @throws Exception
 */
@Override
public void read(String srcPath, FileCompressor fileCompressor) throws Exception {
    long t1 = System.currentTimeMillis();
    byte[] data = FileUtil.convertFileToByte(srcPath);
    ByteArrayInputStream bais = new ByteArrayInputStream(data);
    ArArchiveInputStream ais = new ArArchiveInputStream(bais);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        byte[] buffer = new byte[1024];
        int readByte;
        ArArchiveEntry entry = ais.getNextArEntry();
        while (entry != null && entry.getSize() > 0) {
            long t2 = System.currentTimeMillis();
            baos = new ByteArrayOutputStream();
            readByte = ais.read(buffer);
            while (readByte != -1) {
                baos.write(buffer, 0, readByte);
                readByte = ais.read(buffer);
            }
            BinaryFile binaryFile = new BinaryFile(entry.getName(), baos.toByteArray());
            fileCompressor.addBinaryFile(binaryFile);
            LogUtil.createAddFileLog(fileCompressor, binaryFile, t2, System.currentTimeMillis());
            entry = ais.getNextArEntry();
        }
    } catch (Exception e) {
        FileCompressor.LOGGER.error("Error on get compressor file", e);
    } finally {
        baos.close();
        ais.close();
        bais.close();
    }
    LogUtil.createReadLog(fileCompressor, srcPath, data.length, t1, System.currentTimeMillis());
}

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