01: /*
02: * $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0-beta1/module-nio/src/main/java/org/apache/http/nio/entity/ContentInputStream.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.nio.entity;
33:
34: import java.io.IOException;
35: import java.io.InputStream;
36:
37: import org.apache.http.nio.util.ContentInputBuffer;
38:
39: public class ContentInputStream extends InputStream {
40:
41: private final ContentInputBuffer buffer;
42:
43: public ContentInputStream(final ContentInputBuffer buffer) {
44: super ();
45: if (buffer == null) {
46: throw new IllegalArgumentException(
47: "Input buffer may not be null");
48: }
49: this .buffer = buffer;
50: }
51:
52: @Override
53: public int read(final byte[] b, int off, int len)
54: throws IOException {
55: return this .buffer.read(b, off, len);
56: }
57:
58: @Override
59: public int read(final byte[] b) throws IOException {
60: if (b == null) {
61: return 0;
62: }
63: return this .buffer.read(b, 0, b.length);
64: }
65:
66: @Override
67: public int read() throws IOException {
68: return this.buffer.read();
69: }
70:
71: }
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