/**
*
* 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 com.envoisolutions.sxc.jaxb;
import java.lang.reflect.Method;
import javax.xml.bind.JAXBException;
import com.envoisolutions.sxc.util.XoXMLStreamReader;
public class PropertyAccessor<BeanType, FieldType> {
public final Method getter;
public final Method setter;
public PropertyAccessor(Method getter, Method setter) {
this.getter = getter;
this.setter = setter;
}
public PropertyAccessor(Class<BeanType> beanType, Class<FieldType> propertyType, String getterName, String setterName) {
if (beanType == null) throw new NullPointerException("clazz is null");
if (getterName == null) throw new NullPointerException("getterName is null");
if (setterName == null) throw new NullPointerException("getterName is null");
try {
if (getterName != null) {
getter = beanType.getDeclaredMethod(getterName);
getter.setAccessible(true);
} else {
getter = null;
}
if (setterName != null) {
setter = beanType.getDeclaredMethod(setterName, propertyType);
setter.setAccessible(true);
} else {
setter = null;
}
} catch (NoSuchMethodException e) {
throw new IllegalArgumentException(e);
} catch (SecurityException e) {
throw new IllegalStateException("Unable to access non-public methods");
}
}
@SuppressWarnings({"unchecked"})
public FieldType getObject(Object location, RuntimeContext context, BeanType instance) throws JAXBException {
FieldType result = null;
try {
result = (FieldType) getter.invoke(instance);
} catch (Exception e) {
if (location instanceof XoXMLStreamReader) {
XoXMLStreamReader reader = (XoXMLStreamReader) location;
context.fieldGetError(reader, getter.getDeclaringClass(), getter.getName(), e);
} else {
context.fieldGetError(location, getter.getName(), getter.getDeclaringClass(), getter.getName(), e);
}
if (getter.getReturnType().isPrimitive()) {
Class<?> propertyType = getter.getReturnType();
if (Boolean.TYPE.equals(propertyType)) {
result = (FieldType) Boolean.FALSE;
} else if (Byte.TYPE.equals(propertyType)) {
result = (FieldType) new Byte((byte) 0);
} else if (Character.TYPE.equals(propertyType)) {
result = (FieldType) new Character((char) 0);
} else if (Short.TYPE.equals(propertyType)) {
result = (FieldType) new Short((short) 0);
} else if (Integer.TYPE.equals(propertyType)) {
result = (FieldType) new Integer(0);
} else if (Long.TYPE.equals(propertyType)) {
result = (FieldType) new Long(0);
} else if (Float.TYPE.equals(propertyType)) {
result = (FieldType) new Float(0);
} else if (Double.TYPE.equals(propertyType)) {
result = (FieldType) new Double(0);
}
}
}
return result;
}
public void setObject(XoXMLStreamReader reader, RuntimeContext context, BeanType instance, FieldType value) throws JAXBException {
try {
setter.invoke(instance, (Object) value);
} catch (Exception e) {
if (context == null) throw new JAXBException(e);
context.setterError(reader, setter.getDeclaringClass(), setter.getName(), setter.getParameterTypes()[0], e);
}
}
}