org.glassfish.jaxb.runtime.v2.model.impl.RuntimeEnumLeafInfoImpl Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package cn.lzgabel.jaxb.runtime.v2.model.impl;
import cn.lzgabel.jaxb.runtime.api.AccessorException;
import cn.lzgabel.jaxb.runtime.v2.model.annotation.FieldLocatable;
import cn.lzgabel.jaxb.core.v2.model.annotation.Locatable;
import cn.lzgabel.jaxb.runtime.v2.model.runtime.RuntimeEnumLeafInfo;
import cn.lzgabel.jaxb.runtime.v2.model.runtime.RuntimeNonElement;
import cn.lzgabel.jaxb.core.v2.runtime.IllegalAnnotationException;
import cn.lzgabel.jaxb.runtime.v2.runtime.Name;
import cn.lzgabel.jaxb.runtime.v2.runtime.Transducer;
import cn.lzgabel.jaxb.runtime.v2.runtime.XMLSerializer;
import org.xml.sax.SAXException;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
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;
/**
* @author Kohsuke Kawaguchi
*/
final class RuntimeEnumLeafInfoImpl,B> extends EnumLeafInfoImpl
implements RuntimeEnumLeafInfo, Transducer {
@Override
public Transducer getTransducer() {
return this;
}
/**
* {@link Transducer} that knows how to convert a lexical value
* into the Java value that we can handle.
*/
private final Transducer baseXducer;
private final Map parseMap = new HashMap<>();
private final Map printMap;
RuntimeEnumLeafInfoImpl(RuntimeModelBuilder builder, Locatable upstream, Class enumType) {
super(builder,upstream,enumType,enumType);
this.printMap = new EnumMap<>(enumType);
baseXducer = ((RuntimeNonElement)baseType).getTransducer();
}
@Override
public RuntimeEnumConstantImpl createEnumConstant(String name, String literal, Field constant, EnumConstantImpl 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<>(this,constant,nav()) ));
}
parseMap.put(b,t);
printMap.put(t,b);
return new RuntimeEnumConstantImpl(this, name, literal, last);
}
@Override
public QName[] getTypeNames() {
return new QName[]{getTypeName()};
}
@Override
public Class getClazz() {
return clazz;
}
@Override
public boolean useNamespace() {
return baseXducer.useNamespace();
}
@Override
public void declareNamespace(T t, XMLSerializer w) throws AccessorException {
baseXducer.declareNamespace(printMap.get(t),w);
}
@Override
public CharSequence print(T t) throws AccessorException {
return baseXducer.print(printMap.get(t));
}
@Override
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);
}
@Override
public void writeText(XMLSerializer w, T t, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException {
baseXducer.writeText(w,printMap.get(t),fieldName);
}
@Override
public void writeLeafElement(XMLSerializer w, Name tagName, T o, String fieldName) throws IOException, SAXException, XMLStreamException, AccessorException {
baseXducer.writeLeafElement(w,tagName,printMap.get(o),fieldName);
}
@Override
public QName getTypeName(T instance) {
return null;
}
}