JavaMethod


1   /*
2    * Copyright 2003, 2004  The Apache Software Foundation
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    * http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15  
16   */
17  package org.apache.ws.jaxme.js;
18  
19  import java.io.IOException  ;
20  
21  
22  /** <p>Implements a Java method.</p>
23   *
24   * @author <a HREF="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
25   */
26  public class JavaMethod extends AbstractJavaMethod {
27    private boolean isSynchronized;
28  
29    /** <p>Creates a new JavaMethod with the given name, return
30     * type and protection.</p>
31     */
32    JavaMethod(String   pName, JavaQName pType, JavaSource.Protection pProtection) {
33      super(pName, pType, pProtection);
34    }
35  
36    /** <p>Sets whether this method is synchronized.</p>
37     */
38    public void setSynchronized(boolean pSynchronized) {
39      isSynchronized = pSynchronized;
40    }
41  
42    /** <p>Returns whether this method is synchronized.</p>
43      */
44    public boolean isSynchronized() {
45      return isSynchronized;
46    }
47  
48    /** <p>Adds a header line.</p>
49     */
50    protected void writeHeader(IndentationTarget pTarget) throws IOException   {
51      pTarget.indent(0);
52      JavaSource.Protection protection = getProtection();
53      if (protection != null  &&  !protection.equals(JavaSource.DEFAULT_PROTECTION)) {
54        pTarget.write(getProtection().toString());
55        pTarget.write(" ");
56      }
57      if (isStatic()) {
58        pTarget.write("static ");
59      }
60      if (isFinal()) {
61        pTarget.write("final ");
62      }
63      if (isAbstract()) {
64        pTarget.write("abstract ");
65      }
66      if (isSynchronized()  &&  !pTarget.isInterface()) {
67          pTarget.write("synchronized ");
68      }
69       pTarget.write(pTarget.asString(getType()));
70      pTarget.write(" ");
71      pTarget.write(getName());
72      pTarget.write("(");
73      Parameter[] params = getParams();
74      for (int i = 0;  i < params.length;  i++) {
75        if (i > 0) {
76          pTarget.write(", ");
77        }
78        Parameter p = params[i];
79        pTarget.write(pTarget.asString(p.getType()) );
80        pTarget.write(" ");
81        pTarget.write(p.getName());
82      }
83      pTarget.write(")");
84      JavaQName[] exceptions = getExceptions();
85      for (int i = 0;  i < exceptions.length; i++) {
86          if (i > 0) {
87            pTarget.write(", ");
88          } else {
89            pTarget.write(" throws ");
90          }
91        pTarget.write(pTarget.asString(exceptions[i]));
92      }
93      if (pTarget.isInterface()  ||  isAbstract()) {
94        pTarget.write(";");
95      } else {
96        pTarget.write(" {");
97      }
98      pTarget.write();
99    }
100 
101   /** <p>Returns the abbreviated method signature: The method name, followed
102    * by the parameter types. This is typically used in logging statements.</p>
103    */
104   public String   getLoggingSignature() {
105     StringBuffer   result = new StringBuffer  (getName());
106     Parameter[] params = getParams();
107     if (params.length > 0) {
108       result.append('(');
109       for (int i = 0; i < params.length; i++) {
110         if (i > 0) { result.append(','); }
111         result.append(params[i].getType().getClassName());
112       }
113       result.append(')');
114     }
115     return result.toString();
116   }
117 
118   /** <p>Returns whether the JavaMethod is void.</p>
119    */
120   public boolean isVoid() {
121     return getType().equals(JavaQNameImpl.VOID);
122   }
123 }
124
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