01: /*
02: * Copyright (c) 2001-2004 Caucho Technology, Inc. All rights reserved.
03: *
04: * The Apache Software License, Version 1.1
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 "Burlap", "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 Scott Ferguson
47: */
48:
49: package com.caucho.hessian.io;
50:
51: import java.io.IOException;
52: import java.lang.reflect.Method;
53:
54: /**
55: * Serializing an object for known object types.
56: */
57: public class EnumSerializer extends AbstractSerializer {
58: private Method _name;
59:
60: public EnumSerializer(Class cl) {
61: try {
62: _name = cl.getMethod("name", new Class[0]);
63: } catch (Exception e) {
64: throw new RuntimeException(e);
65: }
66: }
67:
68: public void writeObject(Object obj, AbstractHessianOutput out)
69: throws IOException {
70: if (out.addRef(obj))
71: return;
72:
73: Class cl = obj.getClass();
74:
75: String name = null;
76: try {
77: name = (String) _name.invoke(obj, (Object[]) null);
78: } catch (Exception e) {
79: throw new RuntimeException(e);
80: }
81:
82: int ref = out.writeObjectBegin(cl.getName());
83:
84: if (ref < -1) {
85: out.writeString("name");
86: out.writeString(name);
87: out.writeMapEnd();
88: } else {
89: if (ref == -1) {
90: out.writeClassFieldLength(1);
91: out.writeString("name");
92: out.writeObjectBegin(cl.getName());
93: }
94:
95: out.writeString(name);
96: }
97: }
98: }
|