Mercurial > 510Connectbot
diff app/src/main/java/com/jcraft/jzlib/ZInputStream.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/ZInputStream.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/ZInputStream.java Thu Dec 03 11:23:55 2015 -0800 @@ -0,0 +1,126 @@ +/* -*-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.*; + +/** + * ZInputStream + * + * @deprecated use DeflaterOutputStream or InflaterInputStream + */ +@Deprecated +public class ZInputStream extends FilterInputStream { + + protected int flush=JZlib.Z_NO_FLUSH; + protected boolean compress; + protected InputStream in=null; + + protected Deflater deflater; + protected InflaterInputStream iis; + + public ZInputStream(InputStream in) throws IOException { + this(in, false); + } + public ZInputStream(InputStream in, boolean nowrap) throws IOException { + super(in); + iis = new InflaterInputStream(in, nowrap); + compress=false; + } + + public ZInputStream(InputStream in, int level) throws IOException { + super(in); + this.in=in; + deflater = new Deflater(); + deflater.init(level); + compress=true; + } + + private byte[] buf1 = new byte[1]; + public int read() throws IOException { + if(read(buf1, 0, 1)==-1) return -1; + return(buf1[0]&0xFF); + } + + private byte[] buf = new byte[512]; + + public int read(byte[] b, int off, int len) throws IOException { + if(compress){ + deflater.setOutput(b, off, len); + while(true){ + int datalen = in.read(buf, 0, buf.length); + if(datalen == -1) return -1; + deflater.setInput(buf, 0, datalen, true); + int err = deflater.deflate(flush); + if(deflater.next_out_index>0) + return deflater.next_out_index; + if(err == JZlib.Z_STREAM_END) + return 0; + if(err == JZlib.Z_STREAM_ERROR || + err == JZlib.Z_DATA_ERROR){ + throw new ZStreamException("deflating: "+deflater.msg); + } + } + } + else{ + return iis.read(b, off, len); + } + } + + public long skip(long n) throws IOException { + int len=512; + if(n<len) + len=(int)n; + byte[] tmp=new byte[len]; + return((long)read(tmp)); + } + + public int getFlushMode() { + return flush; + } + + public void setFlushMode(int flush) { + this.flush=flush; + } + + public long getTotalIn() { + if(compress) return deflater.total_in; + else return iis.getTotalIn(); + } + + public long getTotalOut() { + if(compress) return deflater.total_out; + else return iis.getTotalOut(); + } + + public void close() throws IOException{ + if(compress) deflater.end(); + else iis.close(); + } +}