--- a/src/ZlibInStream.java	Wed Apr 13 07:48:49 2011 +0900
+++ b/src/ZlibInStream.java	Wed Apr 13 08:00:53 2011 +0900
@@ -22,89 +22,95 @@
 
 public class ZlibInStream extends InStream {
 
-  static final int defaultBufSize = 16384;
+	static final int defaultBufSize = 16384;
 
-  public ZlibInStream(int bufSize_) {
-    bufSize = bufSize_;
-    b = new byte[bufSize];
-    ptr = end = ptrOffset = 0;
-    inflater = new java.util.zip.Inflater();
-  }
+	public ZlibInStream(int bufSize_) {
+		bufSize = bufSize_;
+		b = new byte[bufSize];
+		ptr = end = ptrOffset = 0;
+		inflater = new java.util.zip.Inflater();
+	}
 
-  public ZlibInStream() { this(defaultBufSize); }
+	public ZlibInStream() {
+		this(defaultBufSize);
+	}
 
-  public void setUnderlying(InStream is, int bytesIn_) {
-    underlying = is;
-    bytesIn = bytesIn_;
-    ptr = end = 0;
-  }
-
-  public void reset() throws Exception {
-    ptr = end = 0;
-    if (underlying == null) return;
+	public void setUnderlying(InStream is, int bytesIn_) {
+		underlying = is;
+		bytesIn = bytesIn_;
+		ptr = end = 0;
+	}
 
-    while (bytesIn > 0) {
-    	decompress();
-      end = 0; // throw away any data
-    }
-    underlying = null;
-  }
+	public void reset() throws Exception {
+		ptr = end = 0;
+		if (underlying == null)
+			return;
 
-  public int pos() { return ptrOffset + ptr; }
+		while (bytesIn > 0) {
+			decompress();
+			end = 0; // throw away any data
+		}
+		underlying = null;
+	}
 
-  protected int overrun(int itemSize, int nItems) throws Exception {
-    if (itemSize > bufSize)
-      throw new Exception("ZlibInStream overrun: max itemSize exceeded");
-    if (underlying == null)
-      throw new Exception("ZlibInStream overrun: no underlying stream");
+	public int pos() {
+		return ptrOffset + ptr;
+	}
 
-    if (end - ptr != 0)
-      System.arraycopy(b, ptr, b, 0, end - ptr);
+	protected int overrun(int itemSize, int nItems) throws Exception {
+		if (itemSize > bufSize)
+			throw new Exception("ZlibInStream overrun: max itemSize exceeded");
+		if (underlying == null)
+			throw new Exception("ZlibInStream overrun: no underlying stream");
 
-    ptrOffset += ptr;
-    end -= ptr;
-    ptr = 0;
+		if (end - ptr != 0)
+			System.arraycopy(b, ptr, b, 0, end - ptr);
 
-    while (end < itemSize) {
-      decompress();
-    }
+		ptrOffset += ptr;
+		end -= ptr;
+		ptr = 0;
 
-    if (itemSize * nItems > end)
-      nItems = end / itemSize;
-
-    return nItems;
-  }
+		while (end < itemSize) {
+			decompress();
+		}
 
-  // decompress() calls the decompressor once.  Note that this won't
-  // necessarily generate any output data - it may just consume some input
-  // data.  Returns false if wait is false and we would block on the underlying
-  // stream.
+		if (itemSize * nItems > end)
+			nItems = end / itemSize;
 
-  private void decompress() throws Exception {
-    try {
-      underlying.check(1);
-      int avail_in = underlying.getend() - underlying.getptr();
-      if (avail_in > bytesIn)
-        avail_in = bytesIn;
+		return nItems;
+	}
+
+	// decompress() calls the decompressor once. Note that this won't
+	// necessarily generate any output data - it may just consume some input
+	// data. Returns false if wait is false and we would block on the underlying
+	// stream.
 
-      if (inflater.needsInput()) {
-        inflater.setInput(underlying.getbuf(), underlying.getptr(), avail_in);
-      }
+	private void decompress() throws Exception {
+		try {
+			underlying.check(1);
+			int avail_in = underlying.getend() - underlying.getptr();
+			if (avail_in > bytesIn)
+				avail_in = bytesIn;
+
+			if (inflater.needsInput()) {
+				inflater.setInput(underlying.getbuf(), underlying.getptr(),
+						avail_in);
+			}
 
-      int n = inflater.inflate(b, end, bufSize - end); 
-      end += n;
-      if (inflater.needsInput()) {
-        bytesIn -= avail_in;
-        underlying.setptr(underlying.getptr() + avail_in);
-      }
-    } catch (java.util.zip.DataFormatException e) {
-      throw new Exception("ZlibInStream: inflate failed");
-    }
-  }
+			int n = inflater.inflate(b, end, bufSize - end);
+			end += n;
+			if (inflater.needsInput()) {
+				bytesIn -= avail_in;
+				underlying.setptr(underlying.getptr() + avail_in);
+			}
+		} catch (java.util.zip.DataFormatException e) {
+			throw new Exception("ZlibInStream: inflate failed");
+		}
+	}
 
-  private InStream underlying;
-  private int bufSize;
-  private int ptrOffset;
-  private java.util.zip.Inflater inflater;
-  private int bytesIn;
+	private InStream underlying;
+	private int bufSize;
+	private int ptrOffset;
+	private java.util.zip.Inflater inflater;
+	private int bytesIn;
 }