--- /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();
+  }
+}