org.apache.cxf.tools.util.AnnotationUtil Maven / Gradle / Ivy
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* 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.tools.util;
import java.io.File;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.logging.Logger;
import javax.jws.WebParam;
import javax.jws.WebResult;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.common.util.URIParserUtil;
import org.apache.cxf.tools.common.ToolException;
public final class AnnotationUtil {
private static final Logger LOG = LogUtils.getL7dLogger(AnnotationUtil.class);
private AnnotationUtil() {
}
public static T getPrivClassAnnotation(final Class clazz,
final Class anoClass) {
return AccessController.doPrivileged(new PrivilegedAction() {
public T run() {
return clazz.getAnnotation(anoClass);
}
});
}
public static T getPrivMethodAnnotation(final Method method,
final Class anoClass) {
return AccessController.doPrivileged(new PrivilegedAction() {
public T run() {
return method.getAnnotation(anoClass);
}
});
}
public static Annotation[][] getPrivParameterAnnotations(final Method method) {
return AccessController.doPrivileged(new PrivilegedAction() {
public Annotation[][] run() {
return method.getParameterAnnotations();
}
});
}
public static synchronized URLClassLoader getClassLoader(ClassLoader parent) {
URL[] urls = URIParserUtil.pathToURLs(getClassPath());
return (URLClassLoader)ClassLoaderUtils.getURLClassLoader(urls, parent);
}
private static ClassLoader newLoader(URL[] urls, ClassLoader parent) {
return ClassLoaderUtils.getURLClassLoader(urls, parent);
}
public static synchronized Class loadClass(String className, ClassLoader parent) {
Class clazz = null;
URL[] urls = URIParserUtil.pathToURLs(getClassPath());
ClassLoader classLoader = newLoader(urls, parent);
try {
clazz = classLoader.loadClass(className);
} catch (Exception e) {
Message msg = new Message("FAIL_TO_LOAD_CLASS", LOG, className);
throw new ToolException(msg, e);
}
return clazz;
}
private static String getClassPath() {
ClassLoader loader = AnnotationUtil.class.getClassLoader();
StringBuilder classpath = new StringBuilder(System.getProperty("java.class.path"));
if (loader instanceof URLClassLoader) {
for (URL url : ((URLClassLoader)loader).getURLs()) {
classpath.append(File.pathSeparatorChar);
classpath.append(url.getFile());
}
}
return classpath.toString();
}
public static WebParam getWebParam(Method method, String paraName) {
Annotation[][] anno = getPrivParameterAnnotations(method);
int count = method.getParameterTypes().length;
for (int i = 0; i < count; i++) {
for (Annotation ann : anno[i]) {
if (ann.annotationType() == WebParam.class) {
WebParam webParam = (WebParam)ann;
if (paraName.equals(webParam.name())) {
return webParam;
}
}
}
}
return null;
}
public static WebResult getWebResult(Method method) {
Annotation ann = method.getAnnotation(WebResult.class);
if (ann == null) {
return null;
} else {
return (WebResult)ann;
}
}
}