Clazz.declarePackage("java.util.zip");
Clazz.load(["java.util.zip.InflaterInputStream", "$.CRC32"], "java.util.zip.GZIPInputStream", ["java.util.zip.CheckedInputStream", "$.Inflater"], function(){
var c$ = Clazz.decorateAsClass(function(){
this.crc = null;
this.eos = false;
this.$closed = false;
this.tmpbuf = null;
Clazz.instantialize(this, arguments);}, java.util.zip, "GZIPInputStream", java.util.zip.InflaterInputStream);
Clazz.prepareFields (c$, function(){
this.crc =  new java.util.zip.CRC32();
this.tmpbuf =  Clazz.newByteArray (128, 0);
});
Clazz.makeConstructor(c$, 
function($in, size){
Clazz.superConstructor(this, java.util.zip.GZIPInputStream, [$in,  new java.util.zip.Inflater().init(0, true), size]);
this.readHeader($in);
}, "java.io.InputStream,~N");
Clazz.defineMethod(c$, "ensureOpen", 
function(){
if (this.$closed) {
throw  new java.io.IOException("Stream closed");
}});
Clazz.defineMethod(c$, "read", 
function(buf, off, len){
this.ensureOpen();
if (this.eos) {
return -1;
}var n = this.readInf(buf, off, len);
if (n == -1) {
if (this.readTrailer()) this.eos = true;
 else return this.read(buf, off, len);
} else {
this.crc.update(buf, off, n);
}return n;
}, "~A,~N,~N");
Clazz.defineMethod(c$, "close", 
function(){
if (!this.$closed) {
Clazz.superCall(this, java.util.zip.GZIPInputStream, "close", []);
this.eos = true;
this.$closed = true;
}});
Clazz.defineMethod(c$, "readHeader", 
function(this_in){
var $in =  new java.util.zip.CheckedInputStream(this_in).set(this.crc);
this.crc.reset();
if (this.readUShort($in) != 35615) {
throw  new java.util.zip.ZipException("Not in GZIP format");
}if (this.readUByte($in) != 8) {
throw  new java.util.zip.ZipException("Unsupported compression method");
}var flg = this.readUByte($in);
this.skipBytes($in, 6);
var n = 10;
if ((flg & 4) == 4) {
var m = this.readUShort($in);
this.skipBytes($in, m);
n += m + 2;
}if ((flg & 8) == 8) {
do {
n++;
} while (this.readUByte($in) != 0);
}if ((flg & 16) == 16) {
do {
n++;
} while (this.readUByte($in) != 0);
}if ((flg & 2) == 2) {
var v = this.crc.getValue() & 0xffff;
if (this.readUShort($in) != v) {
throw  new java.util.zip.ZipException("Corrupt GZIP header");
}n += 2;
}this.crc.reset();
return n;
}, "java.io.InputStream");
Clazz.defineMethod(c$, "readTrailer", 
function(){
return true;
});
Clazz.defineMethod(c$, "readUShort", 
function($in){
var b = this.readUByte($in);
return (this.readUByte($in) << 8) | b;
}, "java.io.InputStream");
Clazz.defineMethod(c$, "readUByte", 
function($in){
var b = $in.readByteAsInt();
if (b == -1) {
throw  new java.io.EOFException();
}if (b < -1 || b > 255) {
throw  new java.io.IOException(this.$in.getClass().getName() + ".read() returned value out of range -1..255: " + b);
}return b;
}, "java.io.InputStream");
Clazz.defineMethod(c$, "skipBytes", 
function($in, n){
while (n > 0) {
var len = $in.read(this.tmpbuf, 0, n < this.tmpbuf.length ? n : this.tmpbuf.length);
if (len == -1) {
throw  new java.io.EOFException();
}n -= len;
}
}, "java.io.InputStream,~N");
});
;//5.0.1-v7 Fri Nov 21 04:39:22 CST 2025
