01: /*
02: * The Apache Software License, Version 1.1
03: *
04: * Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: *
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: *
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in
15: * the documentation and/or other materials provided with the
16: * distribution.
17: *
18: * 3. The end-user documentation included with the redistribution, if
19: * any, must include the following acknowlegement:
20: * "This product includes software developed by the
21: * Caucho Technology (http://www.caucho.com/)."
22: * Alternately, this acknowlegement may appear in the software itself,
23: * if and wherever such third-party acknowlegements normally appear.
24: *
25: * 4. The names "Hessian", "Resin", and "Caucho" must not be used to
26: * endorse or promote products derived from this software without prior
27: * written permission. For written permission, please contact
28: * info@caucho.com.
29: *
30: * 5. Products derived from this software may not be called "Resin"
31: * nor may "Resin" appear in their names without prior written
32: * permission of Caucho Technology.
33: *
34: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
35: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
36: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
37: * DISCLAIMED. IN NO EVENT SHALL CAUCHO TECHNOLOGY OR ITS CONTRIBUTORS
38: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
39: * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
40: * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
41: * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
42: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
43: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
44: * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45: *
46: * @author Sam
47: */
48:
49: package com.caucho.portal.generic;
50:
51: import java.io.IOException;
52: import java.io.OutputStream;
53:
54: public interface PortletByteBuffer {
55: public int getCapacity();
56:
57: /**
58: * @return false if the buffer is full and the bytes could not be written
59: */
60: public boolean write(byte[] buf, int off, int len);
61:
62: /**
63: * @return false if the buffer is full and the byte could not be written
64: */
65: public boolean write(int b);
66:
67: public void flush(OutputStream out) throws IOException;
68:
69: public int size();
70:
71: public void reset();
72:
73: public void finish();
74: }
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