org.apache.cxf.common.classloader.JAXBClassLoaderUtils Maven / Gradle / Ivy
/**
* 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.common.classloader;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.xml.namespace.QName;
public final class JAXBClassLoaderUtils {
private JAXBClassLoaderUtils() {
}
/**
* The TypeReference class is a sun specific class that is found in two different
* locations depending on environment. In IBM JDK the class is not available at all.
* So we have to load it at runtime.
*
* @param n
* @param cls
* @return initiated TypeReference
*/
public static Object createTypeReference(QName n, Class cls) {
Class refClass = null;
try {
refClass = ClassLoaderUtils.loadClass("com.sun.xml.bind.api.TypeReference",
JAXBClassLoaderUtils.class);
} catch (Throwable ex) {
try {
refClass = ClassLoaderUtils.loadClass("com.sun.xml.internal.bind.api.TypeReference",
JAXBClassLoaderUtils.class);
} catch (Throwable ex2) {
//ignore
}
}
if (refClass != null) {
try {
return refClass.getConstructor(QName.class, Type.class, new Annotation[0].getClass())
.newInstance(n, cls, new Annotation[0]);
} catch (Throwable e) {
//ignore
}
}
return null;
}
}