01: /*
02: * $Id: $
03: *
04: * Licensed to the Apache Software Foundation (ASF) under one
05: * or more contributor license agreements. See the NOTICE file
06: * distributed with this work for additional information
07: * regarding copyright ownership. The ASF licenses this file
08: * to you under the Apache License, Version 2.0 (the
09: * "License"); you may not use this file except in compliance
10: * with the License. You may obtain a copy of the License at
11: *
12: * http://www.apache.org/licenses/LICENSE-2.0
13: *
14: * Unless required by applicable law or agreed to in writing,
15: * software distributed under the License is distributed on an
16: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17: * KIND, either express or implied. See the License for the
18: * specific language governing permissions and limitations
19: * under the License.
20: */
21: package org.apache.struts2.portlet.servlet;
22:
23: import java.io.IOException;
24: import java.io.OutputStream;
25:
26: import javax.servlet.ServletOutputStream;
27:
28: /**
29: * Wrapper object exposing a {@link OutputStream} from a portlet as a {@link ServletOutputStream} instance.
30: * Clients accessing this stream object will in fact operate on the
31: * {@link OutputStream} object wrapped by this stream object.
32: */
33: public class PortletServletOutputStream extends ServletOutputStream {
34:
35: private OutputStream portletOutputStream;
36:
37: public PortletServletOutputStream(OutputStream portletOutputStream) {
38: this .portletOutputStream = portletOutputStream;
39: }
40:
41: /* (non-Javadoc)
42: * @see java.io.OutputStream#write(int)
43: */
44: @Override
45: public void write(int ch) throws IOException {
46: portletOutputStream.write(ch);
47: }
48:
49: /* (non-Javadoc)
50: * @see java.io.OutputStream#close()
51: */
52: @Override
53: public void close() throws IOException {
54: portletOutputStream.close();
55: }
56:
57: /* (non-Javadoc)
58: * @see java.io.OutputStream#flush()
59: */
60: @Override
61: public void flush() throws IOException {
62: portletOutputStream.flush();
63: }
64:
65: /* (non-Javadoc)
66: * @see java.io.OutputStream#write(byte[])
67: */
68: @Override
69: public void write(byte[] b) throws IOException {
70: portletOutputStream.write(b);
71: }
72:
73: /* (non-Javadoc)
74: * @see java.io.OutputStream#write(byte[], int, int)
75: */
76: @Override
77: public void write(byte[] b, int off, int len) throws IOException {
78: portletOutputStream.write(b, off, len);
79: }
80:
81: /**
82: * Get the wrapped {@link OutputStream} instance.
83: * @return The wrapped {@link OutputStream} instance.
84: */
85: public OutputStream getOutputStream() {
86: return portletOutputStream;
87: }
88: }
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