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/**
* 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;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Map;
import javax.xml.namespace.QName;
import org.apache.cxf.aegis.DatabindingException;
import org.apache.cxf.aegis.type.basic.ArrayType;
import org.apache.cxf.aegis.type.basic.ObjectType;
import org.apache.cxf.aegis.type.collection.CollectionType;
import org.apache.cxf.aegis.type.collection.MapType;
import org.apache.cxf.aegis.util.NamespaceHelper;
import org.apache.cxf.aegis.util.ServiceUtils;
import org.apache.cxf.common.WSDLConstants;
import org.apache.cxf.common.util.XMLSchemaQNames;
/**
* @author Hani Suleiman Date: Jun 14, 2005 Time: 11:59:57 PM
*/
public abstract class AbstractTypeCreator implements TypeCreator {
public static final String HTTP_CXF_APACHE_ORG_ARRAYS = "http://cxf.apache.org/arrays";
protected TypeMapping tm;
protected AbstractTypeCreator nextCreator;
private TypeCreationOptions typeConfiguration;
private TypeCreator parent;
public TypeMapping getTypeMapping() {
return tm;
}
public TypeCreator getTopCreator() {
TypeCreator top = this;
TypeCreator next = top;
while (next != null) {
top = next;
next = top.getParent();
}
return top;
}
public TypeCreator getParent() {
return parent;
}
public void setParent(TypeCreator parent) {
this.parent = parent;
}
public void setTypeMapping(TypeMapping typeMapping) {
this.tm = typeMapping;
if (nextCreator != null) {
nextCreator.setTypeMapping(tm);
}
}
public void setNextCreator(AbstractTypeCreator creator) {
this.nextCreator = creator;
nextCreator.parent = this;
}
public TypeClassInfo createClassInfo(Field f) {
TypeClassInfo info = createBasicClassInfo(f.getType());
info.setDescription("field " + f.getName() + " in " + f.getDeclaringClass());
return info;
}
public TypeClassInfo createBasicClassInfo(Class typeClass) {
TypeClassInfo info = new TypeClassInfo();
info.setDescription("class '" + typeClass.getName() + '\'');
info.setTypeClass(typeClass);
return info;
}
public Type createTypeForClass(TypeClassInfo info) {
Class javaType = info.getTypeClass();
Type result = null;
boolean newType = true;
if (info.getType() != null) {
result = createUserType(info);
} else if (isArray(javaType)) {
result = createArrayType(info);
} else if (isMap(javaType)) {
result = createMapType(info);
} else if (isHolder(javaType)) {
result = createHolderType(info);
} else if (isCollection(javaType)) {
result = createCollectionType(info);
} else if (isEnum(javaType)) {
result = createEnumType(info);
} else {
Type type = getTypeMapping().getType(javaType);
if (type == null) {
if (info.getTypeName() != null) {
type = getTypeMapping().getType(info.getTypeName());
}
if (type == null) {
type = createDefaultType(info);
} else {
newType = false;
}
} else {
newType = false;
}
result = type;
}
if (newType && !getConfiguration().isDefaultNillable()) {
result.setNillable(false);
}
return result;
}
protected boolean isHolder(Class javaType) {
return "javax.xml.ws.Holder".equals(javaType.getName());
}
protected Type createHolderType(TypeClassInfo info) {
if (info.getGenericType() == null) {
throw new UnsupportedOperationException("To use holder types "
+ "you must have an XML descriptor declaring the component type.");
}
Class heldCls = (Class) info.getGenericType();
info.setTypeClass(heldCls);
return createType(heldCls);
}
protected boolean isArray(Class javaType) {
return javaType.isArray() && !javaType.equals(byte[].class);
}
protected Type createUserType(TypeClassInfo info) {
try {
Type type = (Type)info.getType().newInstance();
QName name = info.getTypeName();
if (name == null) {
// We do not want to use the java.lang.whatever schema type.
// If the @ annotation or XML file didn't specify a schema type,
// but the natural type has a schema type mapping, we use that rather
// than create nonsense.
if (info.getTypeClass().getPackage().getName().startsWith("java")) {
name = tm.getTypeQName(info.getTypeClass());
}
// if it's still null, we'll take our lumps, but probably end up wih
// an invalid schema.
if (name == null) {
name = createQName(info.getTypeClass());
}
}
type.setSchemaType(name);
type.setTypeClass(info.getTypeClass());
type.setTypeMapping(getTypeMapping());
return type;
} catch (InstantiationException e) {
throw new DatabindingException("Couldn't instantiate type classs " + info.getType().getName(), e);
} catch (IllegalAccessException e) {
throw new DatabindingException("Couldn't access type classs " + info.getType().getName(), e);
}
}
protected Type createArrayType(TypeClassInfo info) {
ArrayType type = new ArrayType();
type.setTypeMapping(getTypeMapping());
type.setTypeClass(info.getTypeClass());
type.setSchemaType(createCollectionQName(info, type.getComponentType()));
if (info.getMinOccurs() != -1) {
type.setMinOccurs(info.getMinOccurs());
} else {
type.setMinOccurs(typeConfiguration.getDefaultMinOccurs());
}
if (info.getMaxOccurs() != -1) {
type.setMaxOccurs(info.getMaxOccurs());
}
type.setFlat(info.isFlat());
return type;
}
protected QName createQName(Class javaType) {
String clsName = javaType.getName();
String ns = NamespaceHelper.makeNamespaceFromClassName(clsName, "http");
String localName = ServiceUtils.makeServiceNameFromClassName(javaType);
return new QName(ns, localName);
}
protected boolean isCollection(Class javaType) {
return Collection.class.isAssignableFrom(javaType);
}
protected Type createCollectionTypeFromGeneric(TypeClassInfo info) {
Type component = getOrCreateGenericType(info);
CollectionType type = new CollectionType(component);
type.setTypeMapping(getTypeMapping());
QName name = info.getTypeName();
if (name == null) {
name = createCollectionQName(info, component);
}
type.setSchemaType(name);
type.setTypeClass(info.getTypeClass());
if (info.getMinOccurs() != -1) {
type.setMinOccurs(info.getMinOccurs());
}
if (info.getMaxOccurs() != -1) {
type.setMaxOccurs(info.getMaxOccurs());
}
type.setFlat(info.isFlat());
return type;
}
protected Type getOrCreateGenericType(TypeClassInfo info) {
return createObjectType();
}
protected Type getOrCreateMapKeyType(TypeClassInfo info) {
return nextCreator.getOrCreateMapKeyType(info);
}
protected Type createObjectType() {
ObjectType type = new ObjectType();
type.setSchemaType(XMLSchemaQNames.XSD_ANY);
type.setTypeClass(Object.class);
type.setTypeMapping(getTypeMapping());
return type;
}
protected Type getOrCreateMapValueType(TypeClassInfo info) {
return nextCreator.getOrCreateMapValueType(info);
}
protected Type createMapType(TypeClassInfo info, Type keyType, Type valueType) {
QName schemaType = createMapQName(info, keyType, valueType);
MapType type = new MapType(schemaType, keyType, valueType);
type.setTypeMapping(getTypeMapping());
type.setTypeClass(info.getTypeClass());
return type;
}
protected Type createMapType(TypeClassInfo info) {
Type keyType = getOrCreateMapKeyType(info);
Type valueType = getOrCreateMapValueType(info);
return createMapType(info, keyType, valueType);
}
protected QName createMapQName(TypeClassInfo info, Type keyType, Type valueType) {
String name = keyType.getSchemaType().getLocalPart() + '2' + valueType.getSchemaType().getLocalPart()
+ "Map";
// TODO: Get namespace from XML?
return new QName(tm.getMappingIdentifierURI(), name);
}
protected boolean isMap(Class javaType) {
return Map.class.isAssignableFrom(javaType);
}
public abstract TypeClassInfo createClassInfo(PropertyDescriptor pd);
protected boolean isEnum(Class javaType) {
return false;
}
public Type createEnumType(TypeClassInfo info) {
return null;
}
public abstract Type createCollectionType(TypeClassInfo info);
public abstract Type createDefaultType(TypeClassInfo info);
protected QName createCollectionQName(TypeClassInfo info, Type type) {
String ns;
if (type.isComplex()) {
ns = type.getSchemaType().getNamespaceURI();
} else {
ns = tm.getMappingIdentifierURI();
}
if (WSDLConstants.NS_SCHEMA_XSD.equals(ns)) {
ns = HTTP_CXF_APACHE_ORG_ARRAYS;
}
String first = type.getSchemaType().getLocalPart().substring(0, 1);
String last = type.getSchemaType().getLocalPart().substring(1);
String localName = "ArrayOf" + first.toUpperCase() + last;
if (info.nonDefaultAttributes()) {
localName += "-";
if (info.getMinOccurs() >= 0) {
localName += info.minOccurs;
}
localName += "-";
if (info.getMaxOccurs() >= 0) {
localName += info.maxOccurs;
}
if (info.isFlat()) {
localName += "Flat";
}
}
return new QName(ns, localName);
}
public abstract TypeClassInfo createClassInfo(Method m, int index);
/**
* Create a Type for a Method parameter.
*
* @param m the method to create a type for
* @param index The parameter index. If the index is less than zero, the
* return type is used.
*/
public Type createType(Method m, int index) {
TypeClassInfo info = createClassInfo(m, index);
info.setDescription((index == -1 ? "return type" : "parameter " + index) + " of method "
+ m.getName() + " in " + m.getDeclaringClass());
return createTypeForClass(info);
}
public QName getElementName(Method m, int index) {
TypeClassInfo info = createClassInfo(m, index);
return info.getMappedName();
}
/**
* Create type information for a PropertyDescriptor.
*
* @param pd the propertydescriptor
*/
public Type createType(PropertyDescriptor pd) {
TypeClassInfo info = createClassInfo(pd);
info.setDescription("property " + pd.getName());
return createTypeForClass(info);
}
/**
* Create type information for a Field.
*
* @param f the field to create a type from
*/
public Type createType(Field f) {
TypeClassInfo info = createClassInfo(f);
info.setDescription("field " + f.getName() + " in " + f.getDeclaringClass());
return createTypeForClass(info);
}
public Type createType(Class clazz) {
TypeClassInfo info = createBasicClassInfo(clazz);
info.setDescription(clazz.toString());
return createTypeForClass(info);
}
public TypeCreationOptions getConfiguration() {
return typeConfiguration;
}
public void setConfiguration(TypeCreationOptions tpConfiguration) {
this.typeConfiguration = tpConfiguration;
}
/**
* Object to carry information for a type, such as that from an XML mapping file.
*/
public static class TypeClassInfo {
Class typeClass;
Object[] annotations;
Object genericType;
Object keyType;
Object valueType;
QName mappedName;
QName typeName;
Class type;
String description;
long minOccurs = -1;
long maxOccurs = -1;
boolean flat;
public boolean nonDefaultAttributes() {
return minOccurs != -1 || maxOccurs != -1 || flat;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Object[] getAnnotations() {
return annotations;
}
public void setAnnotations(Object[] annotations) {
this.annotations = annotations;
}
public Object getGenericType() {
return genericType;
}
public void setGenericType(Object genericType) {
this.genericType = genericType;
}
public Object getKeyType() {
return keyType;
}
public void setKeyType(Object keyType) {
this.keyType = keyType;
}
public Class getTypeClass() {
return typeClass;
}
public void setTypeClass(Class typeClass) {
this.typeClass = typeClass;
}
public QName getTypeName() {
return typeName;
}
public void setTypeName(QName name) {
this.typeName = name;
}
public Class getType() {
return type;
}
public void setType(Class type) {
this.type = type;
}
public QName getMappedName() {
return mappedName;
}
public void setMappedName(QName mappedName) {
this.mappedName = mappedName;
}
public long getMaxOccurs() {
return maxOccurs;
}
public void setMaxOccurs(long maxOccurs) {
this.maxOccurs = maxOccurs;
}
public long getMinOccurs() {
return minOccurs;
}
public void setMinOccurs(long minOccurs) {
this.minOccurs = minOccurs;
}
public boolean isFlat() {
return flat;
}
public void setFlat(boolean flat) {
this.flat = flat;
}
@Override
public String toString() {
return "TypeClassInfo " + getDescription();
}
public Object getValueType() {
return valueType;
}
public void setValueType(Object valueType) {
this.valueType = valueType;
}
}
}