Source Code Cross Referenced for JClass.java in  » Database-ORM » castor » org » exolab » javasource » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » castor » org.exolab.javasource 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Redistribution and use of this software and associated documentation
003:         * ("Software"), with or without modification, are permitted provided
004:         * that the following conditions are met:
005:         *
006:         * 1. Redistributions of source code must retain copyright
007:         *    statements and notices.  Redistributions must also contain a
008:         *    copy of this document.
009:         *
010:         * 2. Redistributions in binary form must reproduce the
011:         *    above copyright notice, this list of conditions and the
012:         *    following disclaimer in the documentation and/or other
013:         *    materials provided with the distribution.
014:         *
015:         * 3. The name "Exolab" must not be used to endorse or promote
016:         *    products derived from this Software without prior written
017:         *    permission of Intalio, Inc.  For written permission,
018:         *    please contact info@exolab.org.
019:         *
020:         * 4. Products derived from this Software may not be called "Exolab"
021:         *    nor may "Exolab" appear in their names without prior written
022:         *    permission of Intalio, Inc. Exolab is a registered
023:         *    trademark of Intalio, Inc.
024:         *
025:         * 5. Due credit should be given to the Exolab Project
026:         *    (http://www.exolab.org/).
027:         *
028:         * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS
029:         * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
030:         * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
031:         * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
032:         * INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
033:         * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
034:         * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
035:         * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
036:         * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
037:         * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
038:         * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
039:         * OF THE POSSIBILITY OF SUCH DAMAGE.
040:         *
041:         * Copyright 1999-2002 (C) Intalio, Inc. All Rights Reserved.
042:         */package org.exolab.javasource;
043:
044:        import java.util.Enumeration;
045:
046:        /**
047:         * A representation of the Java Source code for a Java Class. This is a useful
048:         * utility when creating in memory source code. This package was modelled after
049:         * the Java Reflection API as much as possible to reduce the learning curve.
050:         *
051:         * @author <a href="mailto:keith AT kvisco DOT com">Keith Visco</a>
052:         * @author <a href="mailto:skopp AT riege DOT de">Martin Skopp</a>
053:         * @version $Revision: 6807 $ $Date: 2005-05-08 12:32:06 -0600 (Sun, 08 May 2005) $
054:         */
055:        public class JClass extends AbstractJClass {
056:            //--------------------------------------------------------------------------
057:
058:            /** The superclass for this JClass. */
059:            private JTypeName _super Class;
060:
061:            //--------------------------------------------------------------------------
062:
063:            /**
064:             * Creates a new JClass with the given name.
065:             *
066:             * @param name The name of the JClass to create.
067:             */
068:            public JClass(final String name) {
069:                super (name);
070:
071:                _super Class = null;
072:            }
073:
074:            //--------------------------------------------------------------------------
075:
076:            /**
077:             * {@inheritDoc}
078:             */
079:            public final void addImport(final String className) {
080:                if ((className == null) || (className.length() == 0)) {
081:                    return;
082:                }
083:
084:                JTypeName jtName = new JTypeName(className);
085:
086:                String cls = jtName.getLocalName();
087:                String pkg = jtName.getPackageName();
088:
089:                // If we are extending a class from the default package which conflicts
090:                // with this import then we cannot import this class
091:                if (_super Class != null
092:                        && _super Class.getLocalName().equals(cls)) {
093:                    if (_super Class.getPackageName() == null && pkg != null) {
094:                        return;
095:                    }
096:                }
097:
098:                addImportInternal(className);
099:            }
100:
101:            /**
102:             * {@inheritDoc}
103:             */
104:            public final void addMember(final JMember jMember) {
105:                if (jMember instanceof  JField) {
106:                    addField((JField) jMember);
107:                } else if (jMember instanceof  JMethod) {
108:                    addMethod((JMethod) jMember);
109:                } else {
110:                    String error = null;
111:                    if (jMember == null) {
112:                        error = "the argument 'jMember' must not be null.";
113:                    } else {
114:                        error = "Cannot add JMember '"
115:                                + jMember.getClass().getName()
116:                                + "' to JClass, unrecognized type.";
117:                    }
118:                    throw new IllegalArgumentException(error);
119:                }
120:            }
121:
122:            /**
123:             * Returns the super class that this class extends.
124:             *
125:             * @return superClass The super class that this class extends.
126:             */
127:            public final JTypeName getSuperClass() {
128:                return _super Class;
129:            }
130:
131:            /**
132:             * Returns the qualified name of the super class that this class extends.
133:             *
134:             * @return superClass The qualified name of the super class that this class extends.
135:             */
136:            public final String getSuperClassQualifiedName() {
137:                if (_super Class == null) {
138:                    return null;
139:                }
140:                return _super Class.getQualifiedName();
141:            }
142:
143:            /**
144:             * Sets the super Class that this class extends.
145:             *
146:             * @param superClass The super Class that this Class extends.
147:             */
148:            public final void setSuperClass(final String super Class) {
149:                if (super Class == null) {
150:                    _super Class = null;
151:                } else {
152:                    _super Class = new JTypeName(super Class);
153:                }
154:            }
155:
156:            //--------------------------------------------------------------------------
157:
158:            /**
159:             * {@inheritDoc}
160:             */
161:            public final void print(final JSourceWriter jsw,
162:                    final boolean classOnly) {
163:                if (jsw == null) {
164:                    throw new IllegalArgumentException(
165:                            "argument 'jsw' should not be null.");
166:                }
167:
168:                //-- print class headers (comment header, package, imports) if desired
169:                if (!classOnly) {
170:                    printClassHeaders(jsw);
171:                }
172:
173:                getJDocComment().print(jsw);
174:
175:                printClassDefinitionLine(jsw); // includes the opening '{'
176:
177:                jsw.writeln();
178:                jsw.indent();
179:
180:                printMemberVariables(jsw);
181:                printStaticInitializers(jsw);
182:                printConstructors(jsw);
183:                printMethods(jsw);
184:                printInnerClasses(jsw);
185:
186:                jsw.unindent();
187:                jsw.writeln('}');
188:                jsw.flush();
189:            }
190:
191:            /**
192:             * Writes to the JSourceWriter the line that defines this class.  This
193:             * line includes the class name, extends and implements entries, and
194:             * any modifiers such as "private".
195:             * 
196:             * @param jsw The JSourceWriter to be used.
197:             */
198:            private void printClassDefinitionLine(final JSourceWriter jsw) {
199:                StringBuffer buffer = new StringBuffer();
200:
201:                //-- first print our annotations
202:                getAnnotatedElementHelper().printAnnotations(jsw);
203:
204:                //-- next our modifiers
205:                JModifiers modifiers = getModifiers();
206:                if (modifiers.isPrivate()) {
207:                    buffer.append("private ");
208:                } else if (modifiers.isPublic()) {
209:                    buffer.append("public ");
210:                }
211:
212:                if (modifiers.isFinal()) {
213:                    buffer.append("final ");
214:                }
215:
216:                if (modifiers.isAbstract()) {
217:                    buffer.append("abstract ");
218:                }
219:
220:                //-- next our class name plus extends and implements entries
221:                buffer.append("class ");
222:                buffer.append(getLocalName());
223:                buffer.append(' ');
224:                if (_super Class != null) {
225:                    buffer.append("extends ");
226:                    buffer.append(_super Class);
227:                    buffer.append(' ');
228:                }
229:                if (getInterfaceCount() > 0) {
230:                    boolean endl = false;
231:                    if ((getInterfaceCount() > 1) || (_super Class != null)) {
232:                        jsw.writeln(buffer.toString());
233:                        buffer.setLength(0);
234:                        endl = true;
235:                    }
236:                    buffer.append("implements ");
237:
238:                    Enumeration enumeration = getInterfaces();
239:                    while (enumeration.hasMoreElements()) {
240:                        buffer.append(enumeration.nextElement());
241:                        if (enumeration.hasMoreElements()) {
242:                            buffer.append(", ");
243:                        }
244:                    }
245:                    if (endl) {
246:                        jsw.writeln(buffer.toString());
247:                        buffer.setLength(0);
248:                    } else {
249:                        buffer.append(' ');
250:                    }
251:                }
252:
253:                //-- and we're done
254:                buffer.append('{');
255:                jsw.writeln(buffer.toString());
256:                buffer.setLength(0);
257:            }
258:
259:            /**
260:             * Changes the local name of this class type.
261:             * @param localName The new local name to be used.
262:             */
263:            public void changeLocalName(final String localName) {
264:                String packageName = getPackageName();
265:                if (packageName != null) {
266:                    setName(packageName + "." + localName);
267:                } else {
268:                    setName(localName);
269:                }
270:            }
271:
272:            //--------------------------------------------------------------------------
273:        }
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