public void testURL() throws Exception {
String url;
ClassPool cp = new ClassPool(null);
cp.appendSystemPath();
url = cp.find("java.lang.Object").toString();
System.out.println(url);
assertTrue(url.startsWith("jar:file:"));
assertTrue(url.endsWith(".jar!/java/lang/Object.class"));
assertNull(cp.find("class.not.Exist"));
cp = new ClassPool(null);
cp.insertClassPath(".");
url = cp.find("test2.Inner").toString();
System.out.println(url);
assertTrue(url.startsWith("file:/"));
assertTrue(url.endsWith("/test2/Inner.class"));
assertNull(cp.find("test2.TestURL"));
cp = new ClassPool(null);
cp.insertClassPath(JAR_PATH + "javassist.jar");
url = cp.find("javassist.CtClass").toString();
System.out.println(url);
assertTrue(url.startsWith("jar:file:"));
assertTrue(url.endsWith("javassist.jar!/javassist/CtClass.class"));
assertNull(cp.find("javassist.TestURL"));
cp = new ClassPool(null);
cp.insertClassPath(new LoaderClassPath(cloader));
url = cp.find("javassist.CtMethod").toString();
System.out.println(url);
// assertTrue(url.startsWith("jar:file:"));
// assertTrue(url.endsWith("javassist.jar!/javassist/CtMethod.class"));
assertNull(cp.find("javassist.TestURL"));
cp = new ClassPool(null);
cp.insertClassPath(new ByteArrayClassPath("test2.ByteArray", null));
url = cp.find("test2.ByteArray").toString();
System.out.println(url);
assertTrue(url.equals("file:/ByteArrayClassPath/test2/ByteArray.class"));
assertNull(cp.find("test2.TestURL"));
}
public static boolean start(RootDoc rootDoc) throws Exception {
List<Class<?>> mbeanIspnClasses = getMBeanClasses();
List<Class<?>> globalClasses = new ArrayList<Class<?>>();
List<Class<?>> namedCacheClasses = new ArrayList<Class<?>>();
for (Class<?> clazz : mbeanIspnClasses) {
Scope scope = clazz.getAnnotation(Scope.class);
if (scope != null && scope.value() == Scopes.GLOBAL) {
debug("Add as global class " + clazz);
globalClasses.add(clazz);
} else {
debug("Add as named cache class " + clazz);
namedCacheClasses.add(clazz);
}
}
// Init the Javassist class pool.
classPool = ClassPool.getDefault();
classPool.insertClassPath(new ClassClassPath(RhqPluginXmlGenerator.class));
PluginGen pg = new PluginGen();
Props root = new Props();
root.setPluginName("Infinispan");
root.setPluginDescription("Supports management and monitoring of Infinispan");
root.setName("Infinispan Cache Manager");
root.setPkg("org.infinispan.rhq");
root.setDependsOnJmxPlugin(true);
root.setDiscoveryClass("CacheManagerDiscovery");
root.setComponentClass("CacheManagerComponent");
root.setSingleton(false);
root.setCategory(ResourceCategory.SERVICE);
Set<TypeKey> servers = new HashSet<TypeKey>();
servers.add(new TypeKey("JMX Server", "JMX"));
servers.add(new TypeKey("JBossAS Server", "JBossAS"));
servers.add(new TypeKey("JBossAS Server", "JBossAS5"));
root.setRunsInsides(servers);
populateMetricsAndOperations(globalClasses, root, false);
Props cache = new Props();
cache.setName("Infinispan Cache");
cache.setPkg("org.infinispan.rhq");
cache.setDependsOnJmxPlugin(true);
cache.setDiscoveryClass("CacheDiscovery");
cache.setComponentClass("CacheComponent");
cache.setSingleton(false);
cache.setCategory(ResourceCategory.SERVICE);
populateMetricsAndOperations(namedCacheClasses, cache, true);
root.getChildren().add(cache);
String metaInfDir = "../../../src/main/resources/META-INF";
new File(metaInfDir).mkdirs();
String targetMetaInfDir = "../../../target/classes/META-INF";
new File(targetMetaInfDir).mkdirs();
pg.createFile(root, "descriptor", "rhq-plugin.xml", metaInfDir);
copyFile(
new File(metaInfDir + "/rhq-plugin.xml"), new File(targetMetaInfDir + "/rhq-plugin.xml"));
return true;
}
private Object[] extractParams(Mapping mapping, HttpServletRequest request) {
Object[] params;
ClassPool pool = ClassPool.getDefault();
pool.insertClassPath(new ClassClassPath(mapping.clazz));
CtMethod cm = null;
CtClass[] parameterTypes = new CtClass[0];
try {
cm = pool.get(mapping.clazz.getName()).getDeclaredMethod(mapping.method.getName());
parameterTypes = cm.getParameterTypes();
} catch (NotFoundException e) {
e.printStackTrace();
}
if (0 == parameterTypes.length) return new Object[0];
params = new Object[parameterTypes.length];
LocalVariableAttribute attr =
(LocalVariableAttribute)
cm.getMethodInfo().getCodeAttribute().getAttribute(LocalVariableAttribute.tag);
int pos = Modifier.isStatic(cm.getModifiers()) ? 0 : 1;
for (int i = 0; i < params.length; i++) {
String name = attr.variableName(i + pos);
String typeName = parameterTypes[i].getName();
Binder binder = Binder.valueOf(typeName);
Object param = binder.get(name, request, mapping);
params[i] = param;
}
return params;
}
public void not_testURLClassPath() throws Exception {
String host = "www.csg.is.titech.ac.jp";
String path = "/~chiba/tmp/";
String url;
ClassPool cp = new ClassPool(null);
cp.insertClassPath(new URLClassPath(host, 80, path, "test"));
url = cp.find("test.TestClassPath").toString();
System.out.println(url);
assertEquals("http://" + host + ":80" + path + "test/TestClassPath.class", url);
assertNull(cp.find("test.No"));
}
public static Getter generateGetter(OgnlContext context, String code) throws OgnlException {
String className = NAME_FACTORY.getNewClassName();
try {
ClassPool pool = (ClassPool) pools.get(context.getClassResolver());
EnhancedClassLoader loader = (EnhancedClassLoader) loaders.get(context.getClassResolver());
CtClass newClass;
CtClass ognlContextClass;
CtClass objectClass;
CtClass stringClass;
CtMethod method;
byte[] byteCode;
Class compiledClass;
if ((pool == null) || (loader == null)) {
ClassLoader classLoader =
new ContextClassLoader(OgnlContext.class.getClassLoader(), context);
pool = ClassPool.getDefault();
pool.insertClassPath(new LoaderClassPath(classLoader));
pools.put(context.getClassResolver(), pool);
loader = new EnhancedClassLoader(classLoader);
loaders.put(context.getClassResolver(), loader);
}
newClass = pool.makeClass(className);
ognlContextClass = pool.get(OgnlContext.class.getName());
objectClass = pool.get(Object.class.getName());
stringClass = pool.get(String.class.getName());
newClass.addInterface(pool.get(Getter.class.getName()));
method =
new CtMethod(
objectClass,
"get",
new CtClass[] {ognlContextClass, objectClass, stringClass},
newClass);
method.setBody("{" + code + "}");
newClass.addMethod(method);
byteCode = newClass.toBytecode();
compiledClass = loader.defineClass(className, byteCode);
return (Getter) compiledClass.newInstance();
} catch (Throwable ex) {
throw new OgnlException("Cannot create class", ex);
}
}
