001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.openwire.tool;
018    
019    import java.io.File;
020    import java.io.PrintWriter;
021    import java.io.StringWriter;
022    import java.util.Iterator;
023    import java.util.List;
024    
025    import org.codehaus.jam.JClass;
026    import org.codehaus.jam.JProperty;
027    
028    /**
029     * 
030     */
031    public class CSharpClassesGenerator extends MultiSourceGenerator {
032    
033        protected String targetDir = "./src/main/csharp";
034    
035        public Object run() {
036            filePostFix = ".cs";
037            if (destDir == null) {
038                destDir = new File(targetDir + "/ActiveMQ/Commands");
039            }
040            return super.run();
041        }
042    
043        public String makeHashCodeBody() throws Exception {
044            if (simpleName.endsWith("Id")) {
045                StringWriter buffer = new StringWriter();
046                PrintWriter out = new PrintWriter(buffer);
047                out.println("            int answer = 0;");
048                Iterator iter = getProperties().iterator();
049                while (iter.hasNext()) {
050                    JProperty property = (JProperty)iter.next();
051                    out.println("            answer = (answer * 37) + HashCode(" + property.getSimpleName() + ");");
052                }
053                out.println("            return answer;");
054                return buffer.toString();
055            }
056            return null;
057        }
058    
059        public String makeEqualsBody() throws Exception {
060            if (simpleName.endsWith("Id")) {
061                StringWriter buffer = new StringWriter();
062                PrintWriter out = new PrintWriter(buffer);
063    
064                Iterator iter = getProperties().iterator();
065                while (iter.hasNext()) {
066                    JProperty property = (JProperty)iter.next();
067                    String name = property.getSimpleName();
068                    out.println("            if (! Equals(this." + name + ", that." + name + ")) return false;");
069                }
070                out.println("            return true;");
071                return buffer.toString();
072            }
073            return null;
074        }
075    
076        public String makeToStringBody() throws Exception {
077            StringWriter buffer = new StringWriter();
078            PrintWriter out = new PrintWriter(buffer);
079            out.println("            return GetType().Name + \"[\"");
080            Iterator iter = getProperties().iterator();
081            while (iter.hasNext()) {
082                JProperty property = (JProperty)iter.next();
083                String name = property.getSimpleName();
084                out.println("                + \" " + name + "=\" + " + name);
085            }
086            out.println("                + \" ]\";");
087            return buffer.toString();
088        }
089    
090        private void generateLicence(PrintWriter out) {
091            out.println("/*");
092            out.println(" * Licensed to the Apache Software Foundation (ASF) under one or more");
093            out.println(" * contributor license agreements.  See the NOTICE file distributed with");
094            out.println(" * this work for additional information regarding copyright ownership.");
095            out.println(" * The ASF licenses this file to You under the Apache License, Version 2.0");
096            out.println(" * (the \"License\"); you may not use this file except in compliance with");
097            out.println(" * the License.  You may obtain a copy of the License at");
098            out.println(" *");
099            out.println(" * http://www.apache.org/licenses/LICENSE-2.0");
100            out.println(" *");
101            out.println(" * Unless required by applicable law or agreed to in writing, software");
102            out.println(" * distributed under the License is distributed on an \"AS IS\" BASIS,");
103            out.println(" * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.");
104            out.println(" * See the License for the specific language governing permissions and");
105            out.println(" * limitations under the License.");
106            out.println(" */");
107        }
108    
109        protected void generateFile(PrintWriter out) throws Exception {
110            generateLicence(out);
111    
112            out.println("//");
113            out.println("//  NOTE!: This file is autogenerated - do not modify!");
114            out.println("//         if you need to make a change, please see the Groovy scripts in the");
115            out.println("//         activemq-core module");
116            out.println("//");
117            out.println("");
118            out.println("using System;");
119            out.println("using System.Collections;");
120            out.println("");
121            out.println("using ActiveMQ.OpenWire;");
122            out.println("using ActiveMQ.Commands;");
123            out.println("");
124            out.println("namespace ActiveMQ.Commands");
125            out.println("{");
126            out.println("    /// <summary>");
127            out.println("    ///  The ActiveMQ " + jclass.getSimpleName() + " Command");
128            out.println("    /// </summary>");
129            out.print("    public class " + jclass.getSimpleName() + " : " + baseClass);
130    
131            for (int i = 0; i < jclass.getInterfaces().length; i++) {
132                JClass intf = jclass.getInterfaces()[i];
133                out.print(", " + intf.getSimpleName());
134            }
135    
136            out.println("");
137            out.println("    {");
138            out.println("        public const byte ID_" + jclass.getSimpleName() + " = " + getOpenWireOpCode(jclass) + ";");
139            out.println("                ");
140    
141            List properties = getProperties();
142            String type;
143            Object name;
144            for (Iterator iter = properties.iterator(); iter.hasNext();) {
145                JProperty property = (JProperty)iter.next();
146                type = toCSharpType(property.getType());
147                name = decapitalize(property.getSimpleName());
148                out.println("        " + type + " " + name + ";");
149            }
150    
151            String text = makeHashCodeBody();
152            if (text != null) {
153                out.println("");
154                out.println("        public override int GetHashCode() {");
155                out.println("" + text + "");
156                out.println("        }");
157            }
158    
159            text = makeEqualsBody();
160            if (text != null) {
161                out.println("");
162                out.println("        public override bool Equals(object that) {");
163                out.println("            if (that is " + className + ") {");
164                out.println("                return Equals((" + className + ") that);");
165                out.println("            }");
166                out.println("            return false;");
167                out.println("        }");
168                out.println("");
169                out.println("        public virtual bool Equals(" + className + " that) {");
170                out.println("" + text + "");
171                out.println("        }");
172            }
173    
174            text = makeToStringBody();
175            if (text != null) {
176                out.println("");
177                out.println("        public override string ToString() {");
178                out.println("" + text + "");
179                out.println("        }");
180            }
181    
182            out.println("");
183            out.println("        public override byte GetDataStructureType() {");
184            out.println("            return ID_" + jclass.getSimpleName() + ";");
185            out.println("        }");
186            out.println("");
187            out.println("");
188            out.println("        // Properties");
189    
190            for (Iterator iter = properties.iterator(); iter.hasNext();) {
191                JProperty property = (JProperty)iter.next();
192                type = toCSharpType(property.getType());
193                name = decapitalize(property.getSimpleName());
194                String propertyName = property.getSimpleName();
195    
196                out.println("");
197                out.println("        public " + type + " " + propertyName + "");
198                out.println("        {");
199                out.println("            get { return " + name + "; }");
200                out.println("            set { this." + name + " = value; }            ");
201                out.println("        }");
202            }
203    
204            out.println("");
205            out.println("    }");
206            out.println("}");
207        }
208    
209        public String getTargetDir() {
210            return targetDir;
211        }
212    
213        public void setTargetDir(String targetDir) {
214            this.targetDir = targetDir;
215        }
216    }