| /* |
| * 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.dubbo.metadata.definition.util; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| import java.lang.reflect.ParameterizedType; |
| import java.lang.reflect.Type; |
| import java.net.URL; |
| import java.security.CodeSource; |
| import java.security.ProtectionDomain; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * 2015/1/27. |
| */ |
| public final class ClassUtils { |
| |
| /** |
| * Get the code source file or class path of the Class passed in. |
| * |
| * @param clazz |
| * @return Jar file name or class path. |
| */ |
| public static String getCodeSource(Class<?> clazz) { |
| ProtectionDomain protectionDomain = clazz.getProtectionDomain(); |
| if (protectionDomain == null || protectionDomain.getCodeSource() == null) { |
| return null; |
| } |
| |
| CodeSource codeSource = clazz.getProtectionDomain().getCodeSource(); |
| URL location = codeSource.getLocation(); |
| if (location == null) { |
| return null; |
| } |
| |
| String path = location.toExternalForm(); |
| |
| if (path.endsWith(".jar") && path.contains("/")) { |
| return path.substring(path.lastIndexOf('/') + 1); |
| } |
| return path; |
| } |
| |
| /** |
| * Get all non-static fields of the Class passed in or its super classes. |
| * <p> |
| * |
| * @param clazz Class to parse. |
| * @return field list |
| */ |
| public static List<Field> getNonStaticFields(final Class<?> clazz) { |
| List<Field> result = new ArrayList<>(); |
| Class<?> target = clazz; |
| while (target != null) { |
| if (JaketConfigurationUtils.isExcludedType(target)) { |
| break; |
| } |
| |
| Field[] fields = target.getDeclaredFields(); |
| for (Field field : fields) { |
| int modifiers = field.getModifiers(); |
| if (Modifier.isStatic(modifiers) || Modifier.isTransient(modifiers)) { |
| continue; |
| } |
| |
| result.add(field); |
| } |
| target = target.getSuperclass(); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Get all public, non-static methods of the Class passed in. |
| * <p> |
| * |
| * @param clazz Class to parse. |
| * @return methods list |
| */ |
| public static List<Method> getPublicNonStaticMethods(final Class<?> clazz) { |
| List<Method> result = new ArrayList<Method>(); |
| |
| Method[] methods = clazz.getMethods(); |
| for (Method method : methods) { |
| int mod = method.getModifiers(); |
| if (Modifier.isPublic(mod) && !Modifier.isStatic(mod)) { |
| result.add(method); |
| } |
| } |
| return result; |
| } |
| |
| public static String getCanonicalNameForParameterizedType(ParameterizedType parameterizedType) { |
| StringBuilder sb = new StringBuilder(); |
| Type ownerType = parameterizedType.getOwnerType(); |
| Class<?> rawType = (Class) parameterizedType.getRawType(); |
| Type[] actualTypeArguments = parameterizedType.getActualTypeArguments(); |
| |
| if (ownerType != null) { |
| if (ownerType instanceof Class) { |
| sb.append(((Class) ownerType).getName()); |
| } else { |
| sb.append(ownerType); |
| } |
| |
| sb.append('.'); |
| |
| if (ownerType instanceof ParameterizedType) { |
| // Find simple name of nested type by removing the |
| // shared prefix with owner. |
| sb.append(rawType.getName().replace(((Class) ((ParameterizedType) ownerType).getRawType()).getName() + "$", |
| "")); |
| } else { |
| sb.append(rawType.getSimpleName()); |
| } |
| } else { |
| sb.append(rawType.getCanonicalName()); |
| } |
| |
| if (actualTypeArguments != null && |
| actualTypeArguments.length > 0) { |
| sb.append('<'); |
| boolean first = true; |
| for (Type t : actualTypeArguments) { |
| if (!first) { |
| sb.append(", "); |
| } |
| if (t instanceof Class) { |
| Class c = (Class) t; |
| sb.append(c.getCanonicalName()); |
| } else if (t instanceof ParameterizedType) { |
| sb.append(getCanonicalNameForParameterizedType((ParameterizedType) t)); |
| } else { |
| sb.append(t.toString()); |
| } |
| first = false; |
| } |
| sb.append('>'); |
| } |
| |
| return sb.toString(); |
| } |
| |
| private ClassUtils() { |
| } |
| } |