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16 package org.apache.ws.jaxme.generator.sg.impl.ccsg;
17
18 import java.util.ArrayList  ;
19 import java.util.List ;
20
21 import javax.xml.bind.ValidationEvent;
22
23 import org.apache.ws.jaxme.ValidationEvents;
24 import org.apache.ws.jaxme.generator.sg.ComplexTypeSG;
25 import org.apache.ws.jaxme.generator.sg.GroupSG;
26 import org.apache.ws.jaxme.generator.sg.ParticleSG;
27 import org.apache.ws.jaxme.impl.JMUnmarshallerHandlerImpl;
28 import org.apache.ws.jaxme.js.DirectAccessible;
29 import org.apache.ws.jaxme.js.JavaComment;
30 import org.apache.ws.jaxme.js.JavaField;
31 import org.apache.ws.jaxme.js.JavaMethod;
32 import org.apache.ws.jaxme.js.JavaSource;
33 import org.apache.ws.jaxme.js.LocalJavaField;
34 import org.xml.sax.SAXException ;
35
36
37
42 public class AllHandlerSG extends GroupHandlerSG {
43 private JavaField childNumField;
44
45
49 public AllHandlerSG(ComplexTypeSG pType, JavaSource pJs)
50 throws SAXException {
51 super(pType, pJs);
52 }
53
54 AllHandlerSG(GroupHandlerSG pOuterHandler, ComplexTypeSG pType,
55 GroupSG pGroup, JavaSource pJs)
56 throws SAXException {
57 super(pOuterHandler, pType, pGroup, pJs);
58 }
59
60 protected int getState(int pParticleNum) { return pParticleNum; }
61
62 private JavaField getChildNumField() {
63 if (childNumField == null) {
64 childNumField = getJavaSource().newJavaField("__childNum", int.class, JavaSource.PRIVATE);
65 JavaComment jc = childNumField.newComment();
66 jc.addLine("Index of the particle being currently parsed");
67 }
68 return childNumField;
69 }
70
71 protected DirectAccessible getEndElementState() throws SAXException {
72 return getChildNumField();
73 }
74
75 protected void acceptParticle(JavaMethod pJm, int pNum) throws SAXException {
76 pJm.addIf(getStateField(), "[" + pNum, "]");
77 ParticleSG particle = particles[pNum];
78 if (particle.isElement()) {
79 pJm.addLine("getHandler().validationEvent(", ValidationEvent.class, ".WARNING, ",
80 JavaSource.getQuoted("The element " + particle.getObjectSG().getName() +
81 " has already been defined."),
82 ", ", ValidationEvents.class, ".EVENT_ALL_GROUP_REUSE, null);");
83 } else if (particle.isGroup()) {
84 pJm.addLine("getHandler().validationEvent(", ValidationEvent.class, ".WARNING, ",
85 JavaSource.getQuoted("The group " + GroupUtil.getGroupName(particle.getGroupSG()) +
86 " has already been defined."),
87 ", ", ValidationEvents.class, ".EVENT_ALL_GROUP_REUSE, null);");
88 } else if (particle.isWildcard()) {
89 throw new IllegalStateException ("TODO: Add support for wildcards.");
90 } else {
91 throw new IllegalStateException ("Invalid particle type");
92 }
93 pJm.addEndIf();
94 pJm.addLine(getChildNumField(), " = " + pNum + ";");
95 pJm.addLine(getStateField(), "[" + pNum, "] = true;");
96 }
97
98 public JavaMethod newStartElementMethod() throws SAXException {
99 JavaMethod result = super.newStartElementMethod();
100 LocalJavaField unmarshallerHandler = result.newJavaField(JMUnmarshallerHandlerImpl.class);
101 unmarshallerHandler.addLine("getHandler()");
102 handleStartElementStates(unmarshallerHandler, result, 0, particles.length-1);
103 result.addLine("return false;");
104 return result;
105 }
106
107 public JavaMethod newIsFinishedMethod() throws SAXException {
108 JavaMethod result = super.newIsFinishedMethod();
109 List requiredParticles = new ArrayList ();
110 for (int i = 0; i < particles.length; i++) {
111 if (isRequiredParticle(particles[i])) {
112 if (requiredParticles.size() > 0) {
113 requiredParticles.add(" && ");
114 }
115 requiredParticles.add(new Object []{getStateField(),
116 "[" + i + "]"});
117 }
118 }
119 if (requiredParticles.size() == 0) {
120 result.addLine("return true;");
121 } else {
122 result.addLine("return ", requiredParticles, ";");
123 }
124 return result;
125 }
126
127 protected JavaField newStateField() throws SAXException {
128 JavaField jf = getJavaSource().newJavaField("__state", boolean[].class, JavaSource.PRIVATE);
129 jf.addLine("new ", boolean.class, "[" + particles.length + "]");
130 JavaComment jc = jf.newComment();
131 jc.addLine("This array indicates the state of the group. For any");
132 jc.addLine("possible child, the corresponding boolean value is set,");
133 jc.addLine("if the child is parsed.");
134 jc.addLine("If the same child occurs again, and the childs boolean");
135 jc.addLine("value is true, then an exception is thrown.");
136 jc.addLine("These are the indices, to which the child elements are");
137 jc.addLine("mapped:");
138 for (int i = 0; i < particles.length; i++) {
139 ParticleSG particle = particles[i];
140 if (particle.isGroup()) {
141 GroupSG group = particle.getGroupSG();
142 if (group.isGlobal()) {
143 jc.addLine(" " + i + " = The nested group " + group.getName());
144 } else {
145 jc.addLine(" " + i + " = An anonymous nested group.");
146 }
147 } else if (particle.isElement()) {
148 jc.addLine(" " + i + " = The child element " + particle.getObjectSG().getName());
149 } else if (particle.isWildcard()) {
150 throw new IllegalStateException ("TODO: Add support for wildcards.");
151 } else {
152 throw new IllegalStateException ("Invalid particle type.");
153 }
154 }
155 return jf;
156 }
157 } |
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