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17 package org.apache.ws.jaxme.generator.types;
18
19 import java.util.ArrayList  ;
20 import java.util.List ;
21
22 import org.apache.ws.jaxme.generator.sg.Context;
23 import org.apache.ws.jaxme.generator.sg.SGFactory;
24 import org.apache.ws.jaxme.generator.sg.SGlet;
25 import org.apache.ws.jaxme.generator.sg.SchemaSG;
26 import org.apache.ws.jaxme.generator.sg.SimpleTypeSG;
27 import org.apache.ws.jaxme.generator.sg.TypeSG;
28 import org.apache.ws.jaxme.generator.sg.UnionTypeSG;
29 import org.apache.ws.jaxme.js.DirectAccessible;
30 import org.apache.ws.jaxme.js.JavaMethod;
31 import org.apache.ws.jaxme.js.JavaQName;
32 import org.apache.ws.jaxme.js.JavaQNameImpl;
33 import org.apache.ws.jaxme.js.JavaSource;
34 import org.apache.ws.jaxme.js.LocalJavaField;
35 import org.apache.ws.jaxme.js.TypedValue;
36 import org.apache.ws.jaxme.xs.XSType;
37 import org.apache.ws.jaxme.xs.XSUnionType;
38 import org.apache.ws.jaxme.xs.parser.impl.LocSAXException;
39 import org.apache.ws.jaxme.xs.xml.XsQName;
40 import org.xml.sax.SAXException ;
41
42
45 public class UnionTypeSGImpl extends SimpleTypeSGImpl {
46 public static final JavaQName OBJECT_TYPE = JavaQNameImpl.getInstance(Object .class);
47 private final XSUnionType unionType;
48 private final TypeSG[] memberTypes;
49 private final UnionTypeSG unionTypeSG;
50
51
53 public UnionTypeSGImpl(SGFactory pFactory, SchemaSG pSchema, XSType pType,
54 Context pClassContext, XsQName pName) throws SAXException {
55 super(pFactory, pSchema, pType);
56 unionType = pType.getSimpleType().getUnionType();
57 XSType[] mTypes = unionType.getMemberTypes();
58 List members = new ArrayList ();
59 for (int i = 0; i < mTypes.length; i++) {
60 TypeSG typeSG = getFactory().getTypeSG(mTypes[i], pClassContext, pName);
61 typeSG.getSimpleTypeSG().setNullable(true);
62 members.add(typeSG);
63 }
64 memberTypes = (TypeSG[]) members.toArray(new TypeSG[members.size()]);
65
66 unionTypeSG = new UnionTypeSG(){
67 public TypeSG[] getMemberTypes() { return UnionTypeSGImpl.this.getMemberTypes(); }
68 };
69 }
70
71 protected TypeSG[] getMemberTypes() { return memberTypes; }
72 public JavaQName getRuntimeType(SimpleTypeSG pController) { return OBJECT_TYPE; }
73 public boolean isUnion(SimpleTypeSG pController) { return true; }
74
75 public TypedValue getCastFromString(SimpleTypeSG pController, String pValue) throws SAXException {
76 Exception e = null;
77 for (int i = 0; i < memberTypes.length; i++) {
78 try {
79 return memberTypes[i].getSimpleTypeSG().getCastFromString(pValue);
80 } catch (Exception ex) {
81 if (i == 0) {
82 e = ex;
83 }
84 }
85 }
86 throw new LocSAXException("Failed to convert value " + pValue, getLocator(), e);
87 }
88
89 public TypedValue getCastFromString(SimpleTypeSG pController, JavaMethod pMethod, Object pValue,
90 Object pData) throws SAXException {
91 DirectAccessible value;
92 if (pValue instanceof DirectAccessible) {
93 value = (DirectAccessible) pValue;
94 } else {
95 LocalJavaField v = pMethod.newJavaField(String .class);
96 v.addLine(pValue);
97 value = v;
98 }
99
100 LocalJavaField result = pMethod.newJavaField(pController.getRuntimeType());
101 for (int i = 0; i < memberTypes.length; i++) {
102 pMethod.addTry();
103 pMethod.addLine(result, " = ", memberTypes[i].getSimpleTypeSG().getCastFromString(pMethod, value, pData), ";");
104 pMethod.addCatch(RuntimeException .class);
105 }
106 pMethod.addThrowNew(IllegalArgumentException .class,
107 JavaSource.getQuoted("Invalid union value: "), " + ", pValue);
108 for (int i = 0; i < memberTypes.length; i++) {
109 pMethod.addEndTry();
110 }
111 return result;
112 }
113
114 public TypedValue getCastToString(SimpleTypeSG pController, JavaMethod pMethod, Object pValue,
115 DirectAccessible pData) throws SAXException {
116 DirectAccessible value;
117 if (pValue instanceof DirectAccessible) {
118 value = (DirectAccessible) pValue;
119 } else {
120 LocalJavaField v = pMethod.newJavaField(Object .class);
121 v.addLine(pValue);
122 value = v;
123 }
124
125 LocalJavaField result = pMethod.newJavaField(String .class);
126 for (int i = 0; i < memberTypes.length; i++) {
127 JavaQName memberRuntimeType = memberTypes[i].getSimpleTypeSG().getRuntimeType();
128 pMethod.addIf(i == 0, value, " instanceof ", memberRuntimeType);
129 Object v = OBJECT_TYPE.equals(memberRuntimeType) ?
130 (Object ) value :
131 new Object []{"((", memberRuntimeType, ") ", value, ")"};
132 pMethod.addLine(result, " = ", memberTypes[i].getSimpleTypeSG().getCastToString(pMethod, v, pData), ";");
133 }
134 pMethod.addElse();
135 pMethod.addThrowNew(IllegalStateException .class,
136 JavaSource.getQuoted("Invalid union object type: "), " + ", value, ".getClass().getName()");
137 pMethod.addEndIf();
138
139 return result;
140 }
141
142 public UnionTypeSG getUnionType(SimpleTypeSG pController) { return unionTypeSG; }
143
144 public void forAllNonNullValues(SimpleTypeSG pController, JavaMethod pMethod, Object pValue, SGlet pSGlet) throws SAXException {
145 LocalJavaField f = pMethod.newJavaField(OBJECT_TYPE);
146 f.addLine(pValue);
147 pMethod.addIf(f, " != null");
148 pSGlet.generate(pMethod, pValue);
149 pMethod.addEndIf();
150 }
151
152 public void forAllValues(SimpleTypeSG pController, JavaMethod pMethod, Object pValue, SGlet pSGlet) throws SAXException {
153 pSGlet.generate(pMethod, pValue);
154 }
155
156 public Object getEqualsCheck(SimpleTypeSG pController, JavaMethod pMethod, Object pValue1, Object pValue2) throws SAXException {
157 throw new IllegalStateException ("Not implemented");
158 }
159
160 public boolean isCausingParseConversionEvent(SimpleTypeSG pController) {
161 for (int i = 0; i < memberTypes.length; i++) {
162 if (!memberTypes[i].getSimpleTypeSG().isCausingParseConversionEvent()) {
163 return false;
164 }
165 }
166 return true;
167 }
168 }
169 |
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