01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-nio/src/test/java/org/apache/http/mockup/MockupDecoder.java $
03: * $Revision: 613298 $
04: * $Date: 2008-01-18 23:09:22 +0100 (Fri, 18 Jan 2008) $
05: *
06: * ====================================================================
07: * Licensed to the Apache Software Foundation (ASF) under one
08: * or more contributor license agreements. See the NOTICE file
09: * distributed with this work for additional information
10: * regarding copyright ownership. The ASF licenses this file
11: * to you under the Apache License, Version 2.0 (the
12: * "License"); you may not use this file except in compliance
13: * with the License. You may obtain a copy of the License at
14: *
15: * http://www.apache.org/licenses/LICENSE-2.0
16: *
17: * Unless required by applicable law or agreed to in writing,
18: * software distributed under the License is distributed on an
19: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
20: * KIND, either express or implied. See the License for the
21: * specific language governing permissions and limitations
22: * under the License.
23: * ====================================================================
24: *
25: * This software consists of voluntary contributions made by many
26: * individuals on behalf of the Apache Software Foundation. For more
27: * information on the Apache Software Foundation, please see
28: * <http://www.apache.org/>.
29: *
30: */
31:
32: package org.apache.http.mockup;
33:
34: import java.io.IOException;
35: import java.nio.ByteBuffer;
36: import java.nio.channels.ReadableByteChannel;
37:
38: import org.apache.http.nio.ContentDecoder;
39:
40: public class MockupDecoder implements ContentDecoder {
41:
42: private final ReadableByteChannel channel;
43: private boolean completed;
44:
45: public MockupDecoder(final ReadableByteChannel channel) {
46: super ();
47: this .channel = channel;
48: }
49:
50: public int read(final ByteBuffer dst) throws IOException {
51: if (dst == null) {
52: throw new IllegalArgumentException(
53: "Byte buffer may not be null");
54: }
55: if (this .completed) {
56: return -1;
57: }
58: int bytesRead = this .channel.read(dst);
59: if (bytesRead == -1) {
60: this .completed = true;
61: }
62: return bytesRead;
63: }
64:
65: public boolean isCompleted() {
66: return this.completed;
67: }
68:
69: }
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