com.sun.faces.application.annotation.JndiHandler Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.application.annotation;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import jakarta.faces.application.FacesMessage;
import jakarta.faces.application.ProjectStage;
import jakarta.faces.context.FacesContext;
/**
* An abstract RuntimeAnnotationHandler that is capable of dealing with JNDI.
*/
public abstract class JndiHandler implements RuntimeAnnotationHandler {
/**
* Stores the logger.
*/
private static final Logger LOGGER = Logger.getLogger(JndiHandler.class.getName());
/**
* Stores the java:comp/env/ prefix
*/
protected static final String JAVA_COMP_ENV = "java:comp/env/";
/**
* Look up the given object using its JNDI name.
*
* @param facesContext the Faces context.
* @param name the JNDI name.
* @return the object, or null if an error occurs.
*/
public Object lookup(FacesContext facesContext, String name) {
Object object = null;
try {
InitialContext context = new InitialContext();
object = context.lookup(name);
} catch (NamingException ne) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING, "Unable to lookup: " + name, ne);
}
if (facesContext.isProjectStage(ProjectStage.Development)) {
facesContext.addMessage(null, new FacesMessage("Unable to lookup: " + name, "Unable to lookup: " + name));
}
}
return object;
}
/**
* Set the field.
*
* @param facesContext the Faces context.
* @param field the field.
* @param instance the instance.
* @param value the value.
*/
public void setField(FacesContext facesContext, Field field, Object instance, Object value) {
synchronized (instance) {
try {
boolean fieldAccessible = true;
if (!field.isAccessible()) {
field.setAccessible(true);
fieldAccessible = false;
}
field.set(instance, value);
if (!fieldAccessible) {
field.setAccessible(false);
}
} catch (IllegalArgumentException | IllegalAccessException iae) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING, "Unable to set field: " + field.getName(), iae);
}
if (facesContext.isProjectStage(ProjectStage.Development)) {
facesContext.addMessage(null, new FacesMessage("Unable to set field: " + field.getName(), "Unable to set field: " + field.getName()));
}
}
}
}
/**
* Invoke the method.
*
* @param facesContext the Faces context.
* @param method the method.
* @param instance the instance.
* @param value the value.
*/
protected void invokeMethod(FacesContext facesContext, Method method, Object instance, Object value) {
synchronized (instance) {
try {
boolean accessible = method.isAccessible();
method.setAccessible(false);
method.invoke(instance, value);
method.setAccessible(accessible);
} catch (InvocationTargetException | IllegalArgumentException | IllegalAccessException ite) {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING, "Unable to call method: " + method.getName(), ite);
}
if (facesContext.isProjectStage(ProjectStage.Development)) {
facesContext.addMessage(null, new FacesMessage("Unable to call method: " + method.getName(), "Unable to call method: " + method.getName()));
}
}
}
}
}