/*
* Copyright 2003, 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ws.jaxme.generator.types;
import java.util.ArrayList;
import java.util.List;
import org.apache.ws.jaxme.generator.sg.Context;
import org.apache.ws.jaxme.generator.sg.SGFactory;
import org.apache.ws.jaxme.generator.sg.SGlet;
import org.apache.ws.jaxme.generator.sg.SchemaSG;
import org.apache.ws.jaxme.generator.sg.SimpleTypeSG;
import org.apache.ws.jaxme.generator.sg.TypeSG;
import org.apache.ws.jaxme.generator.sg.UnionTypeSG;
import org.apache.ws.jaxme.js.DirectAccessible;
import org.apache.ws.jaxme.js.JavaMethod;
import org.apache.ws.jaxme.js.JavaQName;
import org.apache.ws.jaxme.js.JavaQNameImpl;
import org.apache.ws.jaxme.js.JavaSource;
import org.apache.ws.jaxme.js.LocalJavaField;
import org.apache.ws.jaxme.js.TypedValue;
import org.apache.ws.jaxme.xs.XSType;
import org.apache.ws.jaxme.xs.XSUnionType;
import org.apache.ws.jaxme.xs.parser.impl.LocSAXException;
import org.apache.ws.jaxme.xs.xml.XsQName;
import org.xml.sax.SAXException;
/**
* @author <a href="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
*/
public class UnionTypeSGImpl extends SimpleTypeSGImpl {
public static final JavaQName OBJECT_TYPE = JavaQNameImpl.getInstance(Object.class);
private final XSUnionType unionType;
private final TypeSG[] memberTypes;
private final UnionTypeSG unionTypeSG;
/** <p>Creates a new instance of UnionTypeSG.</p>
*/
public UnionTypeSGImpl(SGFactory pFactory, SchemaSG pSchema, XSType pType,
Context pClassContext, XsQName pName) throws SAXException {
super(pFactory, pSchema, pType);
unionType = pType.getSimpleType().getUnionType();
XSType[] mTypes = unionType.getMemberTypes();
List members = new ArrayList();
for (int i = 0; i < mTypes.length; i++) {
TypeSG typeSG = getFactory().getTypeSG(mTypes[i], pClassContext, pName);
typeSG.getSimpleTypeSG().setNullable(true);
members.add(typeSG);
}
memberTypes = (TypeSG[]) members.toArray(new TypeSG[members.size()]);
unionTypeSG = new UnionTypeSG(){
public TypeSG[] getMemberTypes() { return UnionTypeSGImpl.this.getMemberTypes(); }
};
}
protected TypeSG[] getMemberTypes() { return memberTypes; }
public JavaQName getRuntimeType(SimpleTypeSG pController) { return OBJECT_TYPE; }
public boolean isUnion(SimpleTypeSG pController) { return true; }
public TypedValue getCastFromString(SimpleTypeSG pController, String pValue) throws SAXException {
Exception e = null;
for (int i = 0; i < memberTypes.length; i++) {
try {
return memberTypes[i].getSimpleTypeSG().getCastFromString(pValue);
} catch (Exception ex) {
if (i == 0) {
e = ex;
}
}
}
throw new LocSAXException("Failed to convert value " + pValue, getLocator(), e);
}
public TypedValue getCastFromString(SimpleTypeSG pController, JavaMethod pMethod, Object pValue,
Object pData) throws SAXException {
DirectAccessible value;
if (pValue instanceof DirectAccessible) {
value = (DirectAccessible) pValue;
} else {
LocalJavaField v = pMethod.newJavaField(String.class);
v.addLine(pValue);
value = v;
}
LocalJavaField result = pMethod.newJavaField(pController.getRuntimeType());
for (int i = 0; i < memberTypes.length; i++) {
pMethod.addTry();
pMethod.addLine(result, " = ", memberTypes[i].getSimpleTypeSG().getCastFromString(pMethod, value, pData), ";");
pMethod.addCatch(RuntimeException.class);
}
pMethod.addThrowNew(IllegalArgumentException.class,
JavaSource.getQuoted("Invalid union value: "), " + ", pValue);
for (int i = 0; i < memberTypes.length; i++) {
pMethod.addEndTry();
}
return result;
}
public TypedValue getCastToString(SimpleTypeSG pController, JavaMethod pMethod, Object pValue,
DirectAccessible pData) throws SAXException {
DirectAccessible value;
if (pValue instanceof DirectAccessible) {
value = (DirectAccessible) pValue;
} else {
LocalJavaField v = pMethod.newJavaField(Object.class);
v.addLine(pValue);
value = v;
}
LocalJavaField result = pMethod.newJavaField(String.class);
for (int i = 0; i < memberTypes.length; i++) {
JavaQName memberRuntimeType = memberTypes[i].getSimpleTypeSG().getRuntimeType();
pMethod.addIf(i == 0, value, " instanceof ", memberRuntimeType);
Object v = OBJECT_TYPE.equals(memberRuntimeType) ?
(Object) value :
new Object[]{"((", memberRuntimeType, ") ", value, ")"};
pMethod.addLine(result, " = ", memberTypes[i].getSimpleTypeSG().getCastToString(pMethod, v, pData), ";");
}
pMethod.addElse();
pMethod.addThrowNew(IllegalStateException.class,
JavaSource.getQuoted("Invalid union object type: "), " + ", value, ".getClass().getName()");
pMethod.addEndIf();
return result;
}
public UnionTypeSG getUnionType(SimpleTypeSG pController) { return unionTypeSG; }
public void forAllNonNullValues(SimpleTypeSG pController, JavaMethod pMethod, Object pValue, SGlet pSGlet) throws SAXException {
LocalJavaField f = pMethod.newJavaField(OBJECT_TYPE);
f.addLine(pValue);
pMethod.addIf(f, " != null");
pSGlet.generate(pMethod, pValue);
pMethod.addEndIf();
}
public void forAllValues(SimpleTypeSG pController, JavaMethod pMethod, Object pValue, SGlet pSGlet) throws SAXException {
pSGlet.generate(pMethod, pValue);
}
public Object getEqualsCheck(SimpleTypeSG pController, JavaMethod pMethod, Object pValue1, Object pValue2) throws SAXException {
throw new IllegalStateException("Not implemented");
}
public boolean isCausingParseConversionEvent(SimpleTypeSG pController) {
for (int i = 0; i < memberTypes.length; i++) {
if (!memberTypes[i].getSimpleTypeSG().isCausingParseConversionEvent()) {
return false;
}
}
return true;
}
}