import MessagePack for Java implementation plan 3

java-plan3/src/org/msgpack/UnbufferedUnpacker.java

@@ -0,0 +1,82 @@
+//
+// MessagePack for Java
+//
+// Copyright (C) 2009 FURUHASHI Sadayuki
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+//
+package org.msgpack;
+
+import java.lang.Iterable;
+import java.io.InputStream;
+import java.io.IOException;
+import java.util.Iterator;
+import org.msgpack.impl.UnpackerImpl;
+
+public class UnbufferedUnpacker extends UnpackerImpl {
+	private int offset;
+	private boolean finished;
+	private Object data;
+
+	public UnbufferedUnpacker() {
+		super();
+		this.offset = 0;
+		this.finished = false;
+	}
+
+	public UnbufferedUnpacker useSchema(Schema s) {
+		super.setSchema(s);
+		return this;
+	}
+
+	public Object getData() {
+		return data;
+	}
+
+	public boolean isFinished() {
+		return finished;
+	}
+
+	public void reset() {
+		super.reset();
+		this.offset = 0;
+	}
+
+	int getOffset() {
+		return offset;
+	}
+
+	void setOffset(int offset) {
+		this.offset = offset;
+	}
+
+	public int execute(byte[] buffer) throws UnpackException {
+		return execute(buffer, 0, buffer.length);
+	}
+
+	// FIXME
+	public int execute(byte[] buffer, int offset, int length) throws UnpackException
+	{
+		int noffset = super.execute(buffer, offset + this.offset, length);
+		this.offset = noffset - offset;
+		if(super.isFinished()) {
+			this.data = super.getData();
+			this.finished = true;
+			super.reset();
+		} else {
+			this.finished = false;
+		}
+		return noffset;
+	}
+}
+