/*
* Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.xml.internal.bind.v2.model.impl;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import com.sun.xml.internal.bind.api.AccessorException;
import com.sun.xml.internal.bind.v2.model.annotation.FieldLocatable;
import com.sun.xml.internal.bind.v2.model.annotation.Locatable;
import com.sun.xml.internal.bind.v2.model.runtime.RuntimeEnumLeafInfo;
import com.sun.xml.internal.bind.v2.model.runtime.RuntimeNonElement;
import com.sun.xml.internal.bind.v2.runtime.IllegalAnnotationException;
import com.sun.xml.internal.bind.v2.runtime.Name;
import com.sun.xml.internal.bind.v2.runtime.Transducer;
import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
import org.xml.sax.SAXException;
/**
* @author Kohsuke Kawaguchi
*/
final class RuntimeEnumLeafInfoImpl<T extends Enum<T>,B> extends EnumLeafInfoImpl<Type,Class,Field,Method>
implements RuntimeEnumLeafInfo, Transducer<T> {
public Transducer<T> getTransducer() {
return this;
}
/**
* {@link Transducer} that knows how to convert a lexical value
* into the Java value that we can handle.
*/
private final Transducer<B> baseXducer;
private final Map<B,T> parseMap = new HashMap<B,T>();
private final Map<T,B> printMap;
RuntimeEnumLeafInfoImpl(RuntimeModelBuilder builder, Locatable upstream, Class<T> enumType) {
super(builder,upstream,enumType,enumType);
this.printMap = new EnumMap<T,B>(enumType);
baseXducer = ((RuntimeNonElement)baseType).getTransducer();
}
@Override
public RuntimeEnumConstantImpl createEnumConstant(String name, String literal, Field constant, EnumConstantImpl<Type,Class,Field,Method> last) {
T t;
try {
try {
constant.setAccessible(true);
} catch (SecurityException e) {
// in case the constant is already accessible, swallow this error.
// if the constant is indeed not accessible, we will get IllegalAccessException
// in the following line, and that is not too late.
}
t = (T)constant.get(null);
} catch (IllegalAccessException e) {
// impossible, because this is an enum constant
throw new IllegalAccessError(e.getMessage());
}
B b = null;
try {
b = baseXducer.parse(literal);
} catch (Exception e) {
builder.reportError(new IllegalAnnotationException(
Messages.INVALID_XML_ENUM_VALUE.format(literal,baseType.getType().toString()), e,
new FieldLocatable<Field>(this,constant,nav()) ));
}
parseMap.put(b,t);
printMap.put(t,b);
return new RuntimeEnumConstantImpl(this, name, literal, last);
}
public QName[] getTypeNames() {
return new QName[]{getTypeName()};
}
public boolean isDefault() {
return false;
}
public Class getClazz() {
return clazz;
}
public boolean useNamespace() {
return baseXducer.useNamespace();
}
public void declareNamespace(T t, XMLSerializer w) throws AccessorException {
baseXducer.declareNamespace(printMap.get(t),w);
}
public CharSequence print(T t) throws AccessorException {
return baseXducer.print(printMap.get(t));
}
public T parse(CharSequence lexical) throws AccessorException, SAXException {
// TODO: error handling
B b = baseXducer.parse(lexical);
if(b==null) {
return null;
}
return parseMap.get(b);
}
public void writeText(XMLSerializer w, T t, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException {
baseXducer.writeText(w,printMap.get(t),fieldName);
}
public void writeLeafElement(XMLSerializer w, Name tagName, T o, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException {
baseXducer.writeLeafElement(w,tagName,printMap.get(o),fieldName);
}
public QName getTypeName(T instance) {
return null;
}
}