/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed 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.jboss.as.weld.util;
import java.beans.Introspector;
import java.lang.reflect.Field;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.enterprise.inject.spi.Annotated;
import javax.enterprise.inject.spi.InjectionPoint;
import org.jboss.as.weld.logging.WeldLogger;
import org.jboss.weld.injection.ParameterInjectionPoint;
public class ResourceInjectionUtilities {
private ResourceInjectionUtilities() {
}
private static final String RESOURCE_LOOKUP_PREFIX = "java:comp/env";
public static String getResourceName(String jndiName, String mappedName) {
if (mappedName != null) {
return mappedName;
} else if (jndiName != null) {
return jndiName;
} else {
throw WeldLogger.ROOT_LOGGER.cannotDetermineResourceName();
}
}
public static String getResourceName(InjectionPoint injectionPoint) {
Resource resource = getResourceAnnotated(injectionPoint).getAnnotation(Resource.class);
String mappedName = resource.mappedName();
if (!mappedName.equals("")) {
return mappedName;
}
String name = resource.name();
if (!name.equals("")) {
//see if this is a prefixed name
//and if so just return it
int firstSlash = name.indexOf("/");
int colon = name.indexOf(":");
if(colon != -1) {
if(firstSlash == -1 || colon < firstSlash) {
return name;
}
}
return RESOURCE_LOOKUP_PREFIX + "/" + name;
}
String propertyName;
if (injectionPoint.getMember() instanceof Field) {
propertyName = injectionPoint.getMember().getName();
} else if (injectionPoint.getMember() instanceof Method) {
propertyName = getPropertyName((Method) injectionPoint.getMember());
if (propertyName == null) {
throw WeldLogger.ROOT_LOGGER.injectionPointNotAJavabean((Method) injectionPoint.getMember());
}
} else {
throw WeldLogger.ROOT_LOGGER.cannotInject(injectionPoint);
}
String className = injectionPoint.getMember().getDeclaringClass().getName();
return RESOURCE_LOOKUP_PREFIX + "/" + className + "/" + propertyName;
}
public static String getEjbBindLocation(InjectionPoint injectionPoint) {
EJB ejb = getResourceAnnotated(injectionPoint).getAnnotation(EJB.class);
String mappedName = ejb.mappedName();
if (!mappedName.equals("")) {
return mappedName;
}
String name = ejb.name();
if (!name.equals("")) {
return RESOURCE_LOOKUP_PREFIX + "/" + name;
}
String propertyName;
if (injectionPoint.getMember() instanceof Field) {
propertyName = injectionPoint.getMember().getName();
} else if (injectionPoint.getMember() instanceof Method) {
propertyName = getPropertyName((Method) injectionPoint.getMember());
if (propertyName == null) {
throw WeldLogger.ROOT_LOGGER.injectionPointNotAJavabean((Method) injectionPoint.getMember());
}
} else {
throw WeldLogger.ROOT_LOGGER.cannotInject(injectionPoint);
}
String className = injectionPoint.getMember().getDeclaringClass().getName();
return RESOURCE_LOOKUP_PREFIX + "/" + className + "/" + propertyName;
}
public static String getPropertyName(Method method) {
String methodName = method.getName();
if (methodName.matches("^(get).*") && method.getParameterTypes().length == 0) {
return Introspector.decapitalize(methodName.substring(3));
} else if (methodName.matches("^(is).*") && method.getParameterTypes().length == 0) {
return Introspector.decapitalize(methodName.substring(2));
} else if (methodName.matches("^(set).*") && method.getParameterTypes().length == 1) {
return Introspector.decapitalize(methodName.substring(3));
}
return null;
}
public static String getPropertyName(Member member) {
if (member instanceof Method) {
return getPropertyName((Method) member);
}
return member.getName();
}
public static Annotated getResourceAnnotated(InjectionPoint injectionPoint) {
if(injectionPoint instanceof ParameterInjectionPoint) {
return ((ParameterInjectionPoint<?, ?>)injectionPoint).getAnnotated().getDeclaringCallable();
}
return injectionPoint.getAnnotated();
}
}