/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cxf.aegis.type.java5;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.lang.reflect.WildcardType;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import org.apache.cxf.aegis.DatabindingException;
import org.apache.cxf.aegis.type.AbstractTypeCreator;
import org.apache.cxf.aegis.type.AegisType;
import org.apache.cxf.aegis.type.TypeClassInfo;
import org.apache.cxf.aegis.type.TypeUtil;
import org.apache.cxf.aegis.type.basic.BeanType;
import org.apache.cxf.aegis.util.NamespaceHelper;
import org.apache.cxf.aegis.util.ServiceUtils;
public class Java5TypeCreator extends AbstractTypeCreator {
private AnnotationReader annotationReader;
public Java5TypeCreator() {
this(new AnnotationReader());
}
public Java5TypeCreator(AnnotationReader annotationReader) {
this.annotationReader = annotationReader;
}
public static Class<? extends AegisType> castToAegisTypeClass(Class<?> c) {
if (c == null) {
return null;
}
if (AegisType.class.isAssignableFrom(c)) {
return c.asSubclass(AegisType.class);
} else {
throw new DatabindingException("Invalid Aegis type annotation to non-type class" + c);
}
}
@Override
public TypeClassInfo createClassInfo(Method m, int index) {
if (index >= 0) {
TypeClassInfo info;
Type genericType = m.getGenericParameterTypes()[index];
if (genericType instanceof Class) {
info = nextCreator.createClassInfo(m, index);
} else {
info = new TypeClassInfo();
info.setDescription("method " + m.getName() + " parameter " + index);
info.setType(genericType);
}
Class paramTypeClass = annotationReader.getParamType(m, index);
info.setAegisTypeClass(castToAegisTypeClass(paramTypeClass));
String paramName = annotationReader.getParamTypeName(m, index);
if (paramName != null) {
info.setTypeName(createQName(m.getParameterTypes()[index],
genericType,
paramName,
annotationReader.getParamNamespace(m, index)));
}
return info;
} else {
Type genericReturnType = m.getGenericReturnType();
TypeClassInfo info;
if (genericReturnType instanceof Class) {
info = nextCreator.createClassInfo(m, index);
} else {
info = new TypeClassInfo();
info.setDescription("method " + m.getName() + " parameter " + index);
info.setType(genericReturnType);
}
if (m.getParameterAnnotations() != null && m.getAnnotations().length > 0) {
info.setAnnotations(m.getAnnotations());
}
info.setAegisTypeClass(castToAegisTypeClass(annotationReader.getReturnType(m)));
String returnName = annotationReader.getReturnTypeName(m);
if (returnName != null) {
info.setTypeName(createQName(m.getReturnType(),
genericReturnType,
returnName,
annotationReader.getReturnNamespace(m)));
}
return info;
}
}
/*
* Apparently, this callers must notice collection types and not call this.
*/
@Override
public TypeClassInfo createClassInfo(PropertyDescriptor pd) {
Type genericType = pd.getReadMethod().getGenericReturnType();
TypeClassInfo info = createBasicClassInfo(pd.getPropertyType());
info.setType(genericType); // override basicClassInfo's of the type.
info.setAnnotations(pd.getReadMethod().getAnnotations());
info.setAegisTypeClass(castToAegisTypeClass(annotationReader.getType(pd.getReadMethod())));
info.setFlat(annotationReader.isFlat(pd.getReadMethod().getAnnotations()));
return info;
}
@Override
public AegisType createCollectionType(TypeClassInfo info) {
Type type = info.getType();
Type componentType = getComponentType(type, 0);
if (componentType != null) {
return createCollectionTypeFromGeneric(info);
} else {
return nextCreator.createCollectionType(info);
}
}
// should be called 'collection'
protected AegisType getOrCreateGenericType(TypeClassInfo info) {
return getOrCreateParameterizedType(info.getType(), 0);
}
protected AegisType getOrCreateMapKeyType(TypeClassInfo info) {
return getOrCreateParameterizedType(info.getType(), 0);
}
protected AegisType getOrCreateMapValueType(TypeClassInfo info) {
return getOrCreateParameterizedType(info.getType(), 1);
}
protected AegisType getOrCreateParameterizedType(Type generic, int index) {
Type paramType = getComponentType(generic, index);
if (paramType == null) {
return createObjectType();
}
/* null arises when the index-th parameter to generic is something list List<T> */
Class clazz = TypeUtil.getTypeRelatedClass(paramType);
if (clazz == null) {
return createObjectType();
}
// here is where we insist that we only deal with collection types.
if (!Collection.class.isAssignableFrom(clazz)
&& !Map.class.isAssignableFrom(clazz)) {
return getTopCreator().createType(clazz);
}
TypeClassInfo info = createBasicClassInfo(clazz);
info.setDescription(clazz.toString());
info.setType(paramType);
AegisType type = createTypeForClass(info);
return type;
}
protected Type getComponentType(Type genericType, int index) {
if (genericType instanceof ParameterizedType) {
ParameterizedType type = (ParameterizedType)genericType;
Type paramType = type.getActualTypeArguments()[index];
if (paramType instanceof WildcardType) {
WildcardType wildcardType = (WildcardType)paramType;
// we really aren't prepared to deal with multiple upper bounds,
// so we just look at the first one.
return wildcardType.getUpperBounds()[0];
} else {
return paramType; // take our chances.
}
} else {
return null;
}
}
@Override
public AegisType createDefaultType(TypeClassInfo info) {
QName typeName = info.getTypeName();
Class<?> relatedClass = TypeUtil.getTypeRelatedClass(info.getType());
if (typeName == null) {
typeName = createQName(relatedClass);
}
AnnotatedTypeInfo typeInfo = new AnnotatedTypeInfo(
getTypeMapping(),
relatedClass,
typeName.getNamespaceURI(),
getConfiguration());
typeInfo.setExtensibleElements(annotationReader.isExtensibleElements(
relatedClass,
getConfiguration().isDefaultExtensibleElements()));
typeInfo.setExtensibleAttributes(annotationReader.isExtensibleAttributes(
relatedClass,
getConfiguration().isDefaultExtensibleAttributes()));
typeInfo.setDefaultMinOccurs(getConfiguration().getDefaultMinOccurs());
typeInfo.setDefaultNillable(getConfiguration().isDefaultNillable());
BeanType type = new BeanType(typeInfo);
type.setTypeMapping(getTypeMapping());
type.setSchemaType(typeName);
return type;
}
@Override
public AegisType createEnumType(TypeClassInfo info) {
EnumType type = new EnumType();
type.setSchemaType(createQName(TypeUtil.getTypeRelatedClass(info.getType())));
type.setTypeClass(info.getType());
type.setTypeMapping(getTypeMapping());
return type;
}
@Override
public QName createQName(Class typeClass) {
String name = annotationReader.getName(typeClass);
String ns = annotationReader.getNamespace(typeClass);
return createQName(typeClass, null, name, ns);
}
private QName createQName(Class typeClass, Type type, String name, String ns) {
if (typeClass.isArray()) {
typeClass = typeClass.getComponentType();
}
if (List.class.isAssignableFrom(typeClass)
&& type instanceof ParameterizedType) {
type = ((ParameterizedType)type).getActualTypeArguments()[0];
if (type instanceof Class) {
typeClass = (Class)type;
}
}
if (name == null || name.length() == 0) {
name = ServiceUtils.makeServiceNameFromClassName(typeClass);
}
//check from aegis type annotation
if (ns == null || ns.length() == 0) {
ns = annotationReader.getNamespace(typeClass);
}
// check jaxb package annotation
if (ns == null || ns.length() == 0) {
ns = annotationReader.getNamespace(typeClass.getPackage());
}
if (ns == null || ns.length() == 0) {
ns = NamespaceHelper.makeNamespaceFromClassName(typeClass.getName(), "http");
}
return new QName(ns, name);
}
@Override
protected boolean isEnum(Class javaType) {
return javaType.isEnum();
}
}