Java GZip InputStream Check isGzipStm(InputStream in)

Here you can find the source of isGzipStm(InputStream in)

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Description

is Gzip Stm

License

Apache License

Declaration 

static public final boolean isGzipStm(InputStream in)
        throws IOException

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.IOException;
import java.io.InputStream;

import java.util.zip.GZIPInputStream;

public class Main {

    static public final boolean isGzipStm(InputStream in)
            throws IOException {
        boolean ms = in.markSupported();
        if (ms)//from  ww w. ja  va2s .com
            in.mark(10);
        int b1 = in.read();
        int b2 = in.read();
        if (ms)
            in.reset();
        return ((b2 << 8 | b1) == GZIPInputStream.GZIP_MAGIC);
    }
}

Related

  1. isGZip(BufferedInputStream instream)
  2. isGZIPCompressed(InputStream in)
  3. isGZipped(InputStream in)
  4. isGZipped(InputStream in)