/**
* 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.codehaus.groovy.reflection;
import java.lang.reflect.Constructor;
import org.codehaus.groovy.reflection.GroovyClassValue.ComputeValue;
class GroovyClassValueFactory {
private static final Constructor groovyClassValueConstructor;
static {
Class groovyClassValueClass;
try{
Class.forName("java.lang.ClassValue");
try{
groovyClassValueClass = Class.forName("org.codehaus.groovy.reflection.v7.GroovyClassValueJava7");
}catch(Exception e){
throw new RuntimeException(e); // this should never happen, but if it does, let it propagate and be fatal
}
}catch(ClassNotFoundException e){
groovyClassValueClass = GroovyClassValuePreJava7.class;
}
try{
groovyClassValueConstructor = groovyClassValueClass.getConstructor(ComputeValue.class);
}catch(Exception e){
throw new RuntimeException(e); // this should never happen, but if it does, let it propagate and be fatal
}
}
public static <T> GroovyClassValue<T> createGroovyClassValue(ComputeValue<T> computeValue){
try {
return (GroovyClassValue<T>) groovyClassValueConstructor.newInstance(computeValue);
} catch (Exception e) {
throw new RuntimeException(e); // this should never happen, but if it does, let it propagate and be fatal
}
}
}