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package com.sun.xml.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.bind.api.AccessorException;
import com.sun.xml.bind.v2.model.annotation.FieldLocatable;
import com.sun.xml.bind.v2.model.annotation.Locatable;
import com.sun.xml.bind.v2.model.runtime.RuntimeEnumLeafInfo;
import com.sun.xml.bind.v2.model.runtime.RuntimeNonElement;
import com.sun.xml.bind.v2.runtime.IllegalAnnotationException;
import com.sun.xml.bind.v2.runtime.Name;
import com.sun.xml.bind.v2.runtime.Transducer;
import com.sun.xml.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;
}
@Override
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 (tokenStringType) {
b = (B) ((String)b).trim();
}
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;
}
}