Example usage for java.util.zip Deflater deflate

Introduction

In this page you can find the example usage for java.util.zip Deflater deflate.

Prototype

public int deflate(byte[] output, int off, int len) 

Source Link

Document

Compresses the input data and fills specified buffer with compressed data.

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {
    Deflater def = new Deflater();
    byte[] input = new byte[1024];
    byte[] output = new byte[1024];

    FileInputStream fin = new FileInputStream("a.dat");
    FileOutputStream fout = new FileOutputStream("b.dat");

    int numRead = fin.read(input);

    def.setInput(input, 0, numRead);/*from w ww. java  2 s . com*/

    while (!def.needsInput()) {
        int numCompressedBytes = def.deflate(output, 0, output.length);
        if (numCompressedBytes > 0) {
            fout.write(output, 0, numCompressedBytes);
        }
    }
    def.finish();
    fin.close();
    fout.flush();
    fout.close();
    def.reset();
}

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