--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/com/jcraft/jzlib/ZStream.java	Thu Dec 03 11:23:55 2015 -0800
@@ -0,0 +1,377 @@
+/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
+/*
+Copyright (c) 2000-2011 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.
+ */
+/*
+ * This program is based on zlib-1.1.3, so all credit should go authors
+ * Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu)
+ * and contributors of zlib.
+ */
+
+package com.jcraft.jzlib;
+
+/**
+ * ZStream
+ *
+ * @deprecated  Not for public use in the future.
+ */
+@Deprecated
+public class ZStream{
+
+  static final private int MAX_WBITS=15;        // 32K LZ77 window
+  static final private int DEF_WBITS=MAX_WBITS;
+
+  static final private int Z_NO_FLUSH=0;
+  static final private int Z_PARTIAL_FLUSH=1;
+  static final private int Z_SYNC_FLUSH=2;
+  static final private int Z_FULL_FLUSH=3;
+  static final private int Z_FINISH=4;
+
+  static final private int MAX_MEM_LEVEL=9;
+
+  static final private int Z_OK=0;
+  static final private int Z_STREAM_END=1;
+  static final private int Z_NEED_DICT=2;
+  static final private int Z_ERRNO=-1;
+  static final private int Z_STREAM_ERROR=-2;
+  static final private int Z_DATA_ERROR=-3;
+  static final private int Z_MEM_ERROR=-4;
+  static final private int Z_BUF_ERROR=-5;
+  static final private int Z_VERSION_ERROR=-6;
+
+  public byte[] next_in;     // next input byte
+  public int next_in_index;
+  public int avail_in;       // number of bytes available at next_in
+  public long total_in;      // total nb of input bytes read so far
+
+  public byte[] next_out;    // next output byte should be put there
+  public int next_out_index;
+  public int avail_out;      // remaining free space at next_out
+  public long total_out;     // total nb of bytes output so far
+
+  public String msg;
+
+  Deflate dstate; 
+  Inflate istate; 
+
+  int data_type; // best guess about the data type: ascii or binary
+
+  Checksum adler;
+
+  public ZStream(){
+    this(new Adler32());
+  }
+
+  public ZStream(Checksum adler){
+    this.adler=adler;
+  }
+
+  public int inflateInit(){
+    return inflateInit(DEF_WBITS);
+  }
+  public int inflateInit(boolean nowrap){
+    return inflateInit(DEF_WBITS, nowrap);
+  }
+  public int inflateInit(int w){
+    return inflateInit(w, false);
+  }
+  public int inflateInit(JZlib.WrapperType wrapperType) {
+    return inflateInit(DEF_WBITS, wrapperType);
+  }
+  public int inflateInit(int w, JZlib.WrapperType wrapperType) {
+    boolean nowrap = false;
+    if(wrapperType == JZlib.W_NONE){
+      nowrap = true;
+    }
+    else if(wrapperType == JZlib.W_GZIP) {
+      w += 16;
+    }
+    else if(wrapperType == JZlib.W_ANY) {
+      w |= Inflate.INFLATE_ANY;
+    }
+    else if(wrapperType == JZlib.W_ZLIB) {
+    }
+    return inflateInit(w, nowrap);
+  }
+  public int inflateInit(int w, boolean nowrap){
+    istate=new Inflate(this);
+    return istate.inflateInit(nowrap?-w:w);
+  }
+
+  public int inflate(int f){
+    if(istate==null) return Z_STREAM_ERROR;
+    return istate.inflate(f);
+  }
+  public int inflateEnd(){
+    if(istate==null) return Z_STREAM_ERROR;
+    int ret=istate.inflateEnd();
+//    istate = null;
+    return ret;
+  }
+  public int inflateSync(){
+    if(istate == null)
+      return Z_STREAM_ERROR;
+    return istate.inflateSync();
+  }
+  public int inflateSyncPoint(){
+    if(istate == null)
+      return Z_STREAM_ERROR;
+    return istate.inflateSyncPoint();
+  }
+  public int inflateSetDictionary(byte[] dictionary, int dictLength){
+    if(istate == null)
+      return Z_STREAM_ERROR;
+    return istate.inflateSetDictionary(dictionary, dictLength);
+  }
+  public boolean inflateFinished(){
+    return istate.mode==12 /*DONE*/;
+  }
+
+  public int deflateInit(int level){
+    return deflateInit(level, MAX_WBITS);
+  }
+  public int deflateInit(int level, boolean nowrap){
+    return deflateInit(level, MAX_WBITS, nowrap);
+  }
+  public int deflateInit(int level, int bits){
+    return deflateInit(level, bits, false);
+  }
+  public int deflateInit(int level, int bits, int memlevel, JZlib.WrapperType wrapperType){
+    if(bits < 9 || bits > 15){
+      return Z_STREAM_ERROR;
+    }
+    if(wrapperType == JZlib.W_NONE) {
+      bits *= -1;
+    }
+    else if(wrapperType == JZlib.W_GZIP) {
+        bits += 16;
+    }
+    else if(wrapperType == JZlib.W_ANY) {
+        return Z_STREAM_ERROR;
+    }
+    else if(wrapperType == JZlib.W_ZLIB) {
+    }
+    return this.deflateInit(level, bits, memlevel);
+  }
+  public int deflateInit(int level, int bits, int memlevel){
+    dstate=new Deflate(this);
+    return dstate.deflateInit(level, bits, memlevel);
+  }
+  public int deflateInit(int level, int bits, boolean nowrap){
+    dstate=new Deflate(this);
+    return dstate.deflateInit(level, nowrap?-bits:bits);
+  }
+  public int deflate(int flush){
+    if(dstate==null){
+      return Z_STREAM_ERROR;
+    }
+    return dstate.deflate(flush);
+  }
+  public int deflateEnd(){
+    if(dstate==null) return Z_STREAM_ERROR;
+    int ret=dstate.deflateEnd();
+    dstate=null;
+    return ret;
+  }
+  public int deflateParams(int level, int strategy){
+    if(dstate==null) return Z_STREAM_ERROR;
+    return dstate.deflateParams(level, strategy);
+  }
+  public int deflateSetDictionary (byte[] dictionary, int dictLength){
+    if(dstate == null)
+      return Z_STREAM_ERROR;
+    return dstate.deflateSetDictionary(dictionary, dictLength);
+  }
+
+  // Flush as much pending output as possible. All deflate() output goes
+  // through this function so some applications may wish to modify it
+  // to avoid allocating a large strm->next_out buffer and copying into it.
+  // (See also read_buf()).
+  void flush_pending(){
+    int len=dstate.pending;
+
+    if(len>avail_out) len=avail_out;
+    if(len==0) return;
+
+    if(dstate.pending_buf.length<=dstate.pending_out ||
+       next_out.length<=next_out_index ||
+       dstate.pending_buf.length<(dstate.pending_out+len) ||
+       next_out.length<(next_out_index+len)){
+      //System.out.println(dstate.pending_buf.length+", "+dstate.pending_out+
+      //		 ", "+next_out.length+", "+next_out_index+", "+len);
+      //System.out.println("avail_out="+avail_out);
+    }
+
+    System.arraycopy(dstate.pending_buf, dstate.pending_out,
+		     next_out, next_out_index, len);
+
+    next_out_index+=len;
+    dstate.pending_out+=len;
+    total_out+=len;
+    avail_out-=len;
+    dstate.pending-=len;
+    if(dstate.pending==0){
+      dstate.pending_out=0;
+    }
+  }
+
+  // Read a new buffer from the current input stream, update the adler32
+  // and total number of bytes read.  All deflate() input goes through
+  // this function so some applications may wish to modify it to avoid
+  // allocating a large strm->next_in buffer and copying from it.
+  // (See also flush_pending()).
+  int read_buf(byte[] buf, int start, int size) {
+    int len=avail_in;
+
+    if(len>size) len=size;
+    if(len==0) return 0;
+
+    avail_in-=len;
+
+    if(dstate.wrap!=0) {
+      adler.update(next_in, next_in_index, len);
+    }
+    System.arraycopy(next_in, next_in_index, buf, start, len);
+    next_in_index  += len;
+    total_in += len;
+    return len;
+  }
+
+  public long getAdler(){
+    return adler.getValue();
+  }
+
+  public void free(){
+    next_in=null;
+    next_out=null;
+    msg=null;
+  }
+
+  public void setOutput(byte[] buf){
+    setOutput(buf, 0, buf.length); 
+  }
+
+  public void setOutput(byte[] buf, int off, int len){
+    next_out = buf;
+    next_out_index = off;
+    avail_out = len;
+  }
+
+  public void setInput(byte[] buf){
+    setInput(buf, 0, buf.length, false); 
+  }
+
+  public void setInput(byte[] buf, boolean append){
+    setInput(buf, 0, buf.length, append); 
+  }
+
+  public void setInput(byte[] buf, int off, int len, boolean append){
+    if(len<=0 && append && next_in!=null) return;
+
+    if(avail_in>0 && append){  
+      byte[] tmp = new byte[avail_in+len];
+      System.arraycopy(next_in, next_in_index, tmp, 0, avail_in);
+      System.arraycopy(buf, off, tmp, avail_in, len);
+      next_in=tmp;
+      next_in_index=0;
+      avail_in+=len;
+    }
+    else{
+      next_in=buf;
+      next_in_index=off;
+      avail_in=len;
+    }
+  }
+
+  public byte[] getNextIn(){
+    return next_in;
+  }
+
+  public void setNextIn(byte[] next_in){
+    this.next_in = next_in;
+  }
+
+  public int getNextInIndex(){
+    return next_in_index;
+  }
+
+  public void setNextInIndex(int next_in_index){
+    this.next_in_index = next_in_index;
+  }
+
+  public int getAvailIn(){
+    return avail_in;
+  }
+
+  public void setAvailIn(int avail_in){
+    this.avail_in = avail_in;
+  }
+
+  public byte[] getNextOut(){
+    return next_out;
+  }
+
+  public void setNextOut(byte[] next_out){
+    this.next_out = next_out;
+  }
+
+  public int getNextOutIndex(){
+    return next_out_index;
+  }
+
+  public void setNextOutIndex(int next_out_index){
+    this.next_out_index = next_out_index;
+  }
+
+  public int getAvailOut(){
+    return avail_out;
+
+  }
+
+  public void setAvailOut(int avail_out){
+    this.avail_out = avail_out;
+  }
+
+  public long getTotalOut(){
+    return total_out;
+  }
+
+  public long getTotalIn(){
+    return total_in;
+  }
+
+  public String getMessage(){
+    return msg;
+  }
+
+  /**
+   * Those methods are expected to be override by Inflater and Deflater.
+   * In the future, they will become abstract methods.
+   */ 
+  public int end(){ return Z_OK; }
+  public boolean finished(){ return false; }
+}