Mercurial > 510Connectbot
diff app/src/main/java/com/jcraft/jzlib/ZOutputStream.java @ 438:d29cce60f393
migrate from Eclipse to Android Studio
author | Carl Byington <carl@five-ten-sg.com> |
---|---|
date | Thu, 03 Dec 2015 11:23:55 -0800 |
parents | src/com/jcraft/jzlib/ZOutputStream.java@46c2115ae1c8 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/src/main/java/com/jcraft/jzlib/ZOutputStream.java Thu Dec 03 11:23:55 2015 -0800 @@ -0,0 +1,159 @@ +/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */ +/* +Copyright (c) 2011 ymnk, JCraft,Inc. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the distribution. + + 3. The names of the authors may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, +INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, +INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, +OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, +EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +package com.jcraft.jzlib; +import java.io.*; + +/** + * ZOutputStream + * + * @deprecated use DeflaterOutputStream or InflaterInputStream + */ +@Deprecated +public class ZOutputStream extends FilterOutputStream { + + protected int bufsize=512; + protected int flush=JZlib.Z_NO_FLUSH; + protected byte[] buf=new byte[bufsize]; + protected boolean compress; + + protected OutputStream out; + private boolean end=false; + + private DeflaterOutputStream dos; + private Inflater inflater; + + public ZOutputStream(OutputStream out) throws IOException { + super(out); + this.out=out; + inflater = new Inflater(); + inflater.init(); + compress=false; + } + + public ZOutputStream(OutputStream out, int level) throws IOException { + this(out, level, false); + } + + public ZOutputStream(OutputStream out, int level, boolean nowrap) throws IOException { + super(out); + this.out=out; + Deflater deflater = new Deflater(level, nowrap); + dos = new DeflaterOutputStream(out, deflater); + compress=true; + } + + private byte[] buf1 = new byte[1]; + public void write(int b) throws IOException { + buf1[0]=(byte)b; + write(buf1, 0, 1); + } + + public void write(byte b[], int off, int len) throws IOException { + if(len==0) return; + if(compress){ + dos.write(b, off, len); + } + else { + inflater.setInput(b, off, len, true); + int err = JZlib.Z_OK; + while(inflater.avail_in>0){ + inflater.setOutput(buf, 0, buf.length); + err = inflater.inflate(flush); + if(inflater.next_out_index>0) + out.write(buf, 0, inflater.next_out_index); + if(err != JZlib.Z_OK) + break; + } + if(err != JZlib.Z_OK) + throw new ZStreamException("inflating: "+inflater.msg); + return; + } + } + + public int getFlushMode() { + return flush; + } + + public void setFlushMode(int flush) { + this.flush=flush; + } + + public void finish() throws IOException { + int err; + if(compress){ + int tmp = flush; + int flush = JZlib.Z_FINISH; + try{ + write("".getBytes(), 0, 0); + } + finally { flush = tmp; } + } + else{ + dos.finish(); + } + flush(); + } + public synchronized void end() { + if(end) return; + if(compress){ + try { dos.finish(); } catch(Exception e){} + } + else{ + inflater.end(); + } + end=true; + } + public void close() throws IOException { + try{ + try{finish();} + catch (IOException ignored) {} + } + finally{ + end(); + out.close(); + out=null; + } + } + + public long getTotalIn() { + if(compress) return dos.getTotalIn(); + else return inflater.total_in; + } + + public long getTotalOut() { + if(compress) return dos.getTotalOut(); + else return inflater.total_out; + } + + public void flush() throws IOException { + out.flush(); + } + +}