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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.basic;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.xml.namespace.QName;
import org.apache.cxf.aegis.DatabindingException;
import org.apache.cxf.aegis.type.Type;
import org.apache.cxf.aegis.type.TypeCreator;
import org.apache.cxf.aegis.type.TypeMapping;
public class BeanTypeInfo {
private Map mappedName2typeName = new HashMap();
private Map mappedName2pdName = new HashMap();
private Map mappedName2type = new HashMap();
private Class beanClass;
private List attributes = new ArrayList();
private List elements = new ArrayList();
private PropertyDescriptor[] descriptors;
private TypeMapping typeMapping;
private volatile boolean initialized;
private String defaultNamespace;
private int minOccurs;
private boolean nillable = true;
private boolean isExtension;
private boolean qualifyAttributes;
private boolean qualifyElements = true;
/**
* extensibleElements means adding xs:any to WSDL Complex Type Definition
*/
private boolean extensibleElements = true;
/**
* extensibleAttributes means adding xs:anyAttribute to WSDL Complex Type
* Definition
*/
private boolean extensibleAttributes = true;
public BeanTypeInfo(Class typeClass, String defaultNamespace) {
this.beanClass = typeClass;
this.defaultNamespace = defaultNamespace;
initializeProperties();
}
/**
* Create a BeanTypeInfo class.
*
* @param typeClass
* @param defaultNamespace
* @param initiallize If true attempt default property/xml mappings.
*/
public BeanTypeInfo(Class typeClass, String defaultNamespace, boolean initialize) {
this.beanClass = typeClass;
this.defaultNamespace = defaultNamespace;
initializeProperties();
initialized = !initialize;
}
public String getDefaultNamespace() {
return defaultNamespace;
}
public void initialize() {
try {
if (!initialized) {
initializeSync();
}
} catch (Exception e) {
if (e instanceof DatabindingException) {
throw (DatabindingException)e;
}
throw new DatabindingException("Couldn't create TypeInfo.", e);
}
}
private synchronized void initializeSync() {
if (!initialized) {
for (int i = 0; i < descriptors.length; i++) {
// Don't map the property unless there is a read property
if (isMapped(descriptors[i])) {
mapProperty(descriptors[i]);
}
}
initialized = true;
}
}
public boolean isMapped(PropertyDescriptor pd) {
if (pd.getReadMethod() == null) {
return false;
}
return true;
}
protected void mapProperty(PropertyDescriptor pd) {
String name = pd.getName();
if (isAttribute(pd)) {
mapAttribute(name, createMappedName(pd, qualifyAttributes));
} else if (isElement(pd)) {
mapElement(name, createMappedName(pd, qualifyElements));
}
}
protected PropertyDescriptor[] getPropertyDescriptors() {
return descriptors;
}
protected PropertyDescriptor getPropertyDescriptor(String name) {
for (int i = 0; i < descriptors.length; i++) {
if (descriptors[i].getName().equals(name)) {
return descriptors[i];
}
}
return null;
}
/**
* Get the type class for the field with the specified QName.
*/
public Type getType(QName name) {
// 1. Try a prexisting mapped type
Type type = mappedName2type.get(name);
// 2. Try to get the type by its name, if there is one
if (type == null) {
QName typeName = getMappedTypeName(name);
if (typeName != null) {
type = getTypeMapping().getType(typeName);
if (type != null) {
mapType(name, type);
}
}
}
// 3. Create the type from the property descriptor and map it
if (type == null) {
PropertyDescriptor desc;
try {
desc = getPropertyDescriptorFromMappedName(name);
} catch (Exception e) {
if (e instanceof DatabindingException) {
throw (DatabindingException)e;
}
throw new DatabindingException("Couldn't get properties.", e);
}
if (desc == null) {
return null;
}
try {
TypeMapping tm = getTypeMapping();
TypeCreator tc = tm.getTypeCreator();
type = tc.createType(desc);
} catch (DatabindingException e) {
e.prepend("Couldn't create type for property " + desc.getName() + " on " + getTypeClass());
throw e;
}
// second part is possible workaround for XFIRE-586
if (registerType(desc)) {
getTypeMapping().register(type);
}
mapType(name, type);
}
if (type == null) {
throw new DatabindingException("Couldn't find type for property " + name);
}
return type;
}
protected boolean registerType(PropertyDescriptor desc) {
return true;
}
public void mapType(QName name, Type type) {
mappedName2type.put(name, type);
}
private QName getMappedTypeName(QName name) {
return mappedName2typeName.get(name);
}
public TypeMapping getTypeMapping() {
return typeMapping;
}
public void setTypeMapping(TypeMapping typeMapping) {
this.typeMapping = typeMapping;
}
/**
* Specifies the name of the property as it shows up in the xml schema. This
* method just returns propertyDescriptor.getName();
*
* @param desc
* @return
*/
protected QName createMappedName(PropertyDescriptor desc, boolean qualified) {
if (qualified) {
return new QName(getDefaultNamespace(), desc.getName());
} else {
return new QName(null, desc.getName());
}
}
public void mapAttribute(String property, QName mappedName) {
mappedName2pdName.put(mappedName, property);
attributes.add(mappedName);
}
public void mapElement(String property, QName mappedName) {
mappedName2pdName.put(mappedName, property);
elements.add(mappedName);
}
/**
* Specifies the SchemaType for a particular class.
*
* @param mappedName
* @param type
*/
public void mapTypeName(QName mappedName, QName type) {
mappedName2typeName.put(mappedName, type);
}
private void initializeProperties() {
BeanInfo beanInfo = null;
try {
if (beanClass.isInterface() || beanClass.isPrimitive()) {
descriptors = getInterfacePropertyDescriptors(beanClass);
} else if (beanClass == Object.class || beanClass == Throwable.class) {
// do nothing
} else if (beanClass == Throwable.class) {
// do nothing
} else if (Throwable.class.isAssignableFrom(beanClass)) {
beanInfo = Introspector.getBeanInfo(beanClass, Throwable.class);
} else if (RuntimeException.class.isAssignableFrom(beanClass)) {
beanInfo = Introspector.getBeanInfo(beanClass, RuntimeException.class);
} else if (Throwable.class.isAssignableFrom(beanClass)) {
beanInfo = Introspector.getBeanInfo(beanClass, Throwable.class);
} else {
beanInfo = Introspector.getBeanInfo(beanClass, Object.class);
}
} catch (IntrospectionException e) {
throw new DatabindingException("Couldn't introspect interface.", e);
}
if (beanInfo != null) {
descriptors = beanInfo.getPropertyDescriptors();
}
if (descriptors == null) {
descriptors = new PropertyDescriptor[0];
}
}
private PropertyDescriptor[] getInterfacePropertyDescriptors(Class clazz) {
List pds = new ArrayList();
getInterfacePropertyDescriptors(clazz, pds, new HashSet>());
return pds.toArray(new PropertyDescriptor[pds.size()]);
}
private void getInterfacePropertyDescriptors(Class clazz, List pds,
Set> classes) {
if (classes.contains(clazz)) {
return;
}
classes.add(clazz);
try {
Class[] interfaces = clazz.getInterfaces();
/**
* add base interface information
*/
BeanInfo info = Introspector.getBeanInfo(clazz);
for (int j = 0; j < info.getPropertyDescriptors().length; j++) {
PropertyDescriptor pd = info.getPropertyDescriptors()[j];
if (!containsPropertyName(pds, pd.getName())) {
pds.add(pd);
}
}
/**
* add extended interface information
*/
for (int i = 0; i < interfaces.length; i++) {
getInterfacePropertyDescriptors(interfaces[i], pds, classes);
}
} catch (IntrospectionException e) {
// do nothing
}
}
private boolean containsPropertyName(List pds, String name) {
for (Iterator itr = pds.iterator(); itr.hasNext();) {
PropertyDescriptor pd = itr.next();
if (pd.getName().equals(name)) {
return true;
}
}
return false;
}
public PropertyDescriptor getPropertyDescriptorFromMappedName(QName name) {
return getPropertyDescriptor(getPropertyNameFromMappedName(name));
}
protected boolean isAttribute(PropertyDescriptor desc) {
return false;
}
protected boolean isElement(PropertyDescriptor desc) {
return true;
}
protected boolean isSerializable(PropertyDescriptor desc) {
return true;
}
protected Class getTypeClass() {
return beanClass;
}
/**
* Nillable is only allowed if the actual property is Nullable
*
* @param name
* @return
*/
public boolean isNillable(QName name) {
Type type = getType(name);
if (!type.isNillable()) {
return false;
}
return nillable;
}
/**
* Return the minOccurs value. When there is no XML file or annotation (the situation
* if we are running from the base class here), there is no source for the
* minOccurs parameter except the default, which is supplied from the overall Aegis options.
* @param name Element QName
* @return
*/
public int getMinOccurs(QName name) {
return minOccurs;
}
/**
* Return the maxOccurs value. When there is no XML file or annotation (the situation
* if we are in the base class here), there is no per-element source for this item,
* and the value is always 1.
* @param name Element QName
* @return 1
*/
public int getMaxOccurs(QName name) {
return 1;
}
public long getMinOccurs() {
return minOccurs;
}
public void setDefaultMinOccurs(int m) {
this.minOccurs = m;
}
public void setDefaultNillable(boolean n) {
this.nillable = n;
}
private String getPropertyNameFromMappedName(QName name) {
return mappedName2pdName.get(name);
}
public List getAttributes() {
return attributes;
}
public List getElements() {
return elements;
}
public boolean isExtensibleElements() {
return extensibleElements;
}
public void setExtensibleElements(boolean futureProof) {
this.extensibleElements = futureProof;
}
public boolean isExtensibleAttributes() {
return extensibleAttributes;
}
public void setExtensibleAttributes(boolean extensibleAttributes) {
this.extensibleAttributes = extensibleAttributes;
}
public void setExtension(boolean extension) {
this.isExtension = extension;
}
public boolean isExtension() {
return isExtension;
}
/** * @return Returns the qualifyAttributes.
*/
public boolean isQualifyAttributes() {
return qualifyAttributes;
}
/**
* @param qualifyAttributes The qualifyAttributes to set.
*/
public void setQualifyAttributes(boolean qualifyAttributes) {
this.qualifyAttributes = qualifyAttributes;
}
/** * @return Returns the qualifyElements.
*/
public boolean isQualifyElements() {
return qualifyElements;
}
/**
* @param qualifyElements The qualifyElements to set.
*/
public void setQualifyElements(boolean qualifyElements) {
this.qualifyElements = qualifyElements;
}
}