/**
* 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.jca.cxf.handlers;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.logging.Logger;
import javax.security.auth.Subject;
import org.apache.cxf.Bus;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.jca.cxf.CXFInvocationHandler;
import org.apache.cxf.jca.cxf.CXFInvocationHandlerData;
import org.apache.cxf.jca.cxf.CXFManagedConnection;
abstract class CXFInvocationHandlerBase implements CXFInvocationHandler {
private static final Logger LOG = LogUtils.getL7dLogger(CXFInvocationHandlerBase.class);
private CXFInvocationHandler next;
private CXFInvocationHandlerData data;
CXFInvocationHandlerBase(CXFInvocationHandlerData cihd) {
this.data = cihd;
}
public void setNext(CXFInvocationHandler cih) {
this.next = cih;
}
public CXFInvocationHandler getNext() {
return next;
}
public CXFInvocationHandlerData getData() {
return data;
}
protected Object invokeNext(Object proxy, Method method, Object[] args) throws Throwable {
Object ret = null;
if (getNext() != null) {
ret = getNext().invoke(proxy, method, args);
} else {
// if the next handler is null , there could be end of the handler chains
LOG.fine("no more invocation handler");
}
return ret;
}
protected Throwable getExceptionToThrow(InvocationTargetException ex, Method targetMethod)
throws Throwable {
Throwable targetException = ex.getTargetException();
Throwable ret = null;
if (isOkToThrow(targetMethod, targetException)) {
ret = targetException;
} else {
//get the exception when call the method
RuntimeException re = new RuntimeException("Unexpected exception from method " + targetMethod,
targetException);
ret = re;
}
return ret;
}
private boolean isOkToThrow(Method method, Throwable t) {
return t instanceof RuntimeException || isCheckedException(method, t);
}
private boolean isCheckedException(Method method, Throwable t) {
boolean isCheckedException = false;
Class<?> checkExceptionTypes[] = method.getExceptionTypes();
for (int i = 0; i < checkExceptionTypes.length; i++) {
if (checkExceptionTypes[i].isAssignableFrom(t.getClass())) {
isCheckedException = true;
break;
}
}
return isCheckedException;
}
}
class CXFInvocationHandlerDataImpl implements CXFInvocationHandlerData {
private Bus bus;
private CXFManagedConnection managedConnection;
private Subject subject;
private Object target;
public final void setSubject(Subject sub) {
this.subject = sub;
}
public final Subject getSubject() {
return subject;
}
public final void setBus(final Bus b) {
this.bus = b;
}
public final Bus getBus() {
return bus;
}
public final void setManagedConnection(final CXFManagedConnection cxfManagedConnection) {
this.managedConnection = cxfManagedConnection;
}
public final CXFManagedConnection getManagedConnection() {
return managedConnection;
}
public void setTarget(Object t) {
this.target = t;
}
public Object getTarget() {
return target;
}
}