1 /*
2 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 /*
26 * Licensed Materials - Property of IBM
27 * RMI-IIOP v1.0
28 * Copyright IBM Corp. 1998 1999 All Rights Reserved
29 *
30 */
31
32 package com.sun.corba.se.impl.io;
33
34 import java.io.IOException;
35 import java.io.OutputStream;
36 import java.io.ObjectOutputStream;
37 import java.io.ObjectOutput;
38 import java.util.Map;
39 import java.util.HashMap;
40
41 import org.omg.CORBA.INTERNAL;
42
43 public abstract class OutputStreamHook extends ObjectOutputStream
44 {
45 private HookPutFields putFields = null;
46
47 /**
48 * Since ObjectOutputStream.PutField methods specify no exceptions,
49 * we are not checking for null parameters on put methods.
50 */
51 private class HookPutFields extends ObjectOutputStream.PutField
52 {
53 private Map<String,Object> fields = new HashMap<>();
54
137 }
138
139 abstract void writeField(ObjectStreamField field, Object value) throws IOException;
140
141 public OutputStreamHook()
142 throws java.io.IOException {
143 super();
144 }
145
146 public void defaultWriteObject() throws IOException {
147
148 writeObjectState.defaultWriteObject(this);
149
150 defaultWriteObjectDelegate();
151 }
152
153 public abstract void defaultWriteObjectDelegate();
154
155 public ObjectOutputStream.PutField putFields()
156 throws IOException {
157 putFields = new HookPutFields();
158 return putFields;
159 }
160
161 // Stream format version, saved/restored during recursive calls
162 protected byte streamFormatVersion = 1;
163
164 // Return the stream format version currently being used
165 // to serialize an object
166 public byte getStreamFormatVersion() {
167 return streamFormatVersion;
168 }
169
170 abstract ObjectStreamField[] getFieldsNoCopy();
171
172 // User uses PutFields to simulate default data.
173 // See java.io.ObjectOutputStream.PutFields
174 public void writeFields()
175 throws IOException {
176
177 writeObjectState.defaultWriteObject(this);
178
179 putFields.write(this);
180 }
181
182 abstract org.omg.CORBA_2_3.portable.OutputStream getOrbStream();
183
184 protected abstract void beginOptionalCustomData();
185
186
187 // The following is a State pattern implementation of what
188 // should be done when a Serializable has a
189 // writeObject method. This was especially necessary for
190 // RMI-IIOP stream format version 2. Please see the
191 // state diagrams in the docs directory of the workspace.
192
193 protected WriteObjectState writeObjectState = NOT_IN_WRITE_OBJECT;
194
195 protected void setState(WriteObjectState newState) {
196 writeObjectState = newState;
197 }
198
199 // Description of possible actions
200 protected static class WriteObjectState {
|
1 /*
2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 /*
26 * Licensed Materials - Property of IBM
27 * RMI-IIOP v1.0
28 * Copyright IBM Corp. 1998 1999 All Rights Reserved
29 *
30 */
31
32 package com.sun.corba.se.impl.io;
33
34 import java.io.IOException;
35 import java.io.NotActiveException;
36 import java.io.OutputStream;
37 import java.io.ObjectOutputStream;
38 import java.io.ObjectOutput;
39 import java.util.Map;
40 import java.util.HashMap;
41
42 import org.omg.CORBA.INTERNAL;
43
44 public abstract class OutputStreamHook extends ObjectOutputStream
45 {
46 private HookPutFields putFields = null;
47
48 /**
49 * Since ObjectOutputStream.PutField methods specify no exceptions,
50 * we are not checking for null parameters on put methods.
51 */
52 private class HookPutFields extends ObjectOutputStream.PutField
53 {
54 private Map<String,Object> fields = new HashMap<>();
55
138 }
139
140 abstract void writeField(ObjectStreamField field, Object value) throws IOException;
141
142 public OutputStreamHook()
143 throws java.io.IOException {
144 super();
145 }
146
147 public void defaultWriteObject() throws IOException {
148
149 writeObjectState.defaultWriteObject(this);
150
151 defaultWriteObjectDelegate();
152 }
153
154 public abstract void defaultWriteObjectDelegate();
155
156 public ObjectOutputStream.PutField putFields()
157 throws IOException {
158 if (putFields == null) {
159 putFields = new HookPutFields();
160 }
161 return putFields;
162 }
163
164 // Stream format version, saved/restored during recursive calls
165 protected byte streamFormatVersion = 1;
166
167 // Return the stream format version currently being used
168 // to serialize an object
169 public byte getStreamFormatVersion() {
170 return streamFormatVersion;
171 }
172
173 abstract ObjectStreamField[] getFieldsNoCopy();
174
175 // User uses PutFields to simulate default data.
176 // See java.io.ObjectOutputStream.PutFields
177 public void writeFields()
178 throws IOException {
179
180 writeObjectState.defaultWriteObject(this);
181 if (putFields != null) {
182 putFields.write(this);
183 } else {
184 throw new NotActiveException("no current PutField object");
185 }
186 }
187
188 abstract org.omg.CORBA_2_3.portable.OutputStream getOrbStream();
189
190 protected abstract void beginOptionalCustomData();
191
192
193 // The following is a State pattern implementation of what
194 // should be done when a Serializable has a
195 // writeObject method. This was especially necessary for
196 // RMI-IIOP stream format version 2. Please see the
197 // state diagrams in the docs directory of the workspace.
198
199 protected WriteObjectState writeObjectState = NOT_IN_WRITE_OBJECT;
200
201 protected void setState(WriteObjectState newState) {
202 writeObjectState = newState;
203 }
204
205 // Description of possible actions
206 protected static class WriteObjectState {
|