/**
* Zips byte array.
*
* @param input Input bytes.
* @param initBufSize Initial buffer size.
* @return Zipped byte array.
* @throws IOException If failed.
*/
public static byte[] zipBytes(byte[] input, int initBufSize) throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream(initBufSize);
try (ZipOutputStream zos = new ZipOutputStream(bos)) {
ZipEntry entry = new ZipEntry("");
try {
entry.setSize(input.length);
zos.putNextEntry(entry);
zos.write(input);
} finally {
zos.closeEntry();
}
}
return bos.toByteArray();
}
private ByteBuffer buffer(Message m[]) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
for (int i = 0; i < m.length; i++) m[i].write(out);
out.flush();
return ByteBuffer.wrap(out.toByteArray());
}
private ByteBuffer buffer(List ms) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
for (Iterator i = ms.iterator(); i.hasNext(); ) ((Message) i.next()).write(out);
out.flush();
return ByteBuffer.wrap(out.toByteArray());
}
private ByteBuffer buffer(Message m) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
m.write(out);
out.flush();
return ByteBuffer.wrap(out.toByteArray());
}