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1
28
29 package org.objectweb.openccm.uml.transformation.ast;
30
31 import ispuml.mdaTransformation.utils.PropertyUtils;
32
33 import java.util.Collection  ;
34 import java.util.List ;
35 import java.util.Iterator ;
36 import java.util.ArrayList ;
37 import java.util.Arrays ;
38 import java.lang.reflect.InvocationTargetException ;
39
40
45 public class CCMPropertyUtils extends PropertyUtils {
46
47
66 public static void setProperty(Object bean, String name, Object value)
67 throws IllegalAccessException , InvocationTargetException , NoSuchMethodException {
68 if (isPropertyMultiple(name)) {
69 setCollectionProperty(bean, name, value);
70 return;
71 }
72 setNestedProperty(bean, name, value);
73 }
74
75
94 public static void setCollectionProperty(Object bean, String name, Object value)
95 throws IllegalAccessException , InvocationTargetException , NoSuchMethodException {
96 if (bean == null) {
97 throw new IllegalArgumentException ("No bean specified");
98 }
99 if (name == null) {
100 throw new IllegalArgumentException ("No name specified");
101 }
102
103 int multipleIndex = name.indexOf(MULTIPLE_KEY);
106 if (multipleIndex < 0) {
107 throw new IllegalArgumentException ("No multivalue property specified (by use of [" + MULTIPLE_KEY + "] in '" + name + "'.");
108 }
109 int lastDelim = name.substring(0, multipleIndex).lastIndexOf(INDEXED_DELIM);
110 String startName = name.substring(0, lastDelim);
111 int closeDelimIndex = name.indexOf(INDEXED_DELIM2, multipleIndex);
112 if (closeDelimIndex < 0) {
113 throw new IllegalArgumentException ("Missing closing ']' in '" + name + "'");
114 }
115 int nextNameIndex = name.indexOf(NESTED_DELIM, closeDelimIndex);
116 if (nextNameIndex >= 0) {
117 throw new UnsupportedOperationException ("Multiple multivalue not supported yet.");
118 }
119
120 List list;
122 if (value.getClass().isArray()) {
123 list = Arrays.asList((Object []) value);
124 } else if (value instanceof List ) {
125 list = (List ) value;
126 } else if (value instanceof Collection ) {
127 list = new ArrayList ((Collection ) value);
128 } else {
129 list = new ArrayList (1);
130 list.add(value);
131 }
132
133 Class type = getPropertyType(bean, startName);
137
138 java.lang.reflect.Method method;
139
140 if (Collection .class.isAssignableFrom(type)) {
142 Collection targetCollection = (Collection ) getProperty(bean, startName);
143 Iterator iter = list.iterator();
144 while (iter.hasNext()) {
145 Object curBean = iter.next();
146 targetCollection.add(curBean);
147 } } else if ((method = getAddMethod(list, type)) != null) {
149 Iterator iter = list.iterator();
152 while (iter.hasNext()) {
153 Object target = getProperty(bean, startName);
154 Object curBean = iter.next();
155 Object param[] = { curBean };
156 method.invoke(target, param);
157 }
158 } else { throw new IllegalArgumentException ("Name '" + startName + "' doesn't denote a multivalue property.");
160 }
161
162 }
163
164
170 private static java.lang.reflect.Method getAddMethod(List list, Class type) {
171 if (list.size() > 0) {
172 java.lang.reflect.Method methods [] = type.getMethods();
173 for (int i=0 ; i<methods.length ; i++) {
174 if (methods[i].getName().equals("add")) {
175 Class paramType [] = methods[i].getParameterTypes();
176 if (paramType.length == 1 && paramType[0].isAssignableFrom(list.get(0).getClass()))
177 return methods[i];
178 }
179 }
180 } else {
181 try {
182 return type.getMethod("add", new Class [0]);
183 } catch (Exception exception) {
184 return null;
185 }
186 }
187 return null;
188 }
189
190 } |
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