package org.objectweb.celtix.tools.utils;
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.objectweb.celtix.common.i18n.Message;
import org.objectweb.celtix.common.logging.LogUtils;
import org.objectweb.celtix.tools.common.ToolException;
public final class AnnotationUtil {
private static final Logger LOG = LogUtils.getL7dLogger(AnnotationUtil.class);
private AnnotationUtil() {
}
public static <T extends Annotation> T getPrivClassAnnotation(final Class<?> clazz,
final Class<T> anoClass) {
return AccessController.doPrivileged(new PrivilegedAction<T>() {
public T run() {
return clazz.getAnnotation(anoClass);
}
});
}
public static <T extends Annotation> T getPrivMethodAnnotation(final Method method,
final Class<T> anoClass) {
return AccessController.doPrivileged(new PrivilegedAction<T>() {
public T run() {
return method.getAnnotation(anoClass);
}
});
}
public static Annotation[][] getPrivParameterAnnotations(final Method method) {
return (Annotation[][])AccessController.doPrivileged(new PrivilegedAction<Annotation[][]>() {
public Annotation[][] run() {
return method.getParameterAnnotations();
}
});
}
public static synchronized URLClassLoader getClassLoader(ClassLoader parent) {
URL[] urls = ProcessorUtil.pathToURLs(getClassPath());
return new URLClassLoader(urls, parent);
}
public static synchronized Class loadClass(String className, ClassLoader parent) {
Class clazz = null;
URL[] urls = ProcessorUtil.pathToURLs(getClassPath());
URLClassLoader classLoader = new URLClassLoader(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();
StringBuffer classpath = new StringBuffer(System.getProperty("java.class.path"));
if (loader instanceof URLClassLoader) {
URLClassLoader urlloader = (URLClassLoader)loader;
for (URL url : urlloader.getURLs()) {
classpath.append(File.pathSeparatorChar);
classpath.append(url.getFile());
}
}
return classpath.toString();
}
public static String capitalize(String name) {
if (name == null || name.length() == 0) {
return name;
}
char chars[] = name.toCharArray();
chars[0] = Character.toUpperCase(chars[0]);
return new String(chars);
}
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;
}
}
}