diff options
Diffstat (limited to 'java/sca/modules/interface-java-jaxws/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxws/CodeGenerationHelper.java')
| -rw-r--r-- | java/sca/modules/interface-java-jaxws/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxws/CodeGenerationHelper.java | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/java/sca/modules/interface-java-jaxws/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxws/CodeGenerationHelper.java b/java/sca/modules/interface-java-jaxws/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxws/CodeGenerationHelper.java deleted file mode 100644 index b05715b54e..0000000000 --- a/java/sca/modules/interface-java-jaxws/src/main/java/org/apache/tuscany/sca/interfacedef/java/jaxws/CodeGenerationHelper.java +++ /dev/null @@ -1,280 +0,0 @@ -/* - * 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.tuscany.sca.interfacedef.java.jaxws; - -import java.lang.reflect.Array; -import java.lang.reflect.GenericArrayType; -import java.lang.reflect.ParameterizedType; -import java.lang.reflect.Type; -import java.lang.reflect.TypeVariable; -import java.lang.reflect.WildcardType; -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.objectweb.asm.Opcodes; - -/** - * @version $Rev$ $Date$ - */ -public class CodeGenerationHelper { - /** - * @param type - * @return - */ - public static Class<?> getErasure(Type type) { - if (type instanceof Class) { - return (Class<?>)type; - } else if (type instanceof GenericArrayType) { - GenericArrayType arrayType = (GenericArrayType)type; - Class<?> componentType = getErasure(arrayType.getGenericComponentType()); - return Array.newInstance(componentType, 0).getClass(); - } else if (type instanceof ParameterizedType) { - ParameterizedType pType = (ParameterizedType)type; - return getErasure(pType.getRawType()); - } else if (type instanceof WildcardType) { - WildcardType wType = (WildcardType)type; - Type[] types = wType.getUpperBounds(); - if (types.length == 0) { - return Object.class; - } - return getErasure(types[0]); - } else if (type instanceof TypeVariable) { - TypeVariable<?> var = (TypeVariable<?>)type; - Type[] types = var.getBounds(); - if (types.length == 0) { - return Object.class; - } - return getErasure(types[0]); - } - return null; - } - - /** - * @param type - * @return - */ - public static String getJAXWSSignature(Type type) { - Class<?> cls = getErasure(type); - if (Collection.class.isAssignableFrom(cls) && (type instanceof ParameterizedType)) { - ParameterizedType pType = (ParameterizedType)type; - Type p = pType.getActualTypeArguments()[0]; - StringBuffer sb = new StringBuffer(); - sb.append(getSignature(cls)); - sb.deleteCharAt(sb.length() - 1); // Remove ; - sb.append('<').append(getSignature(getErasure(p))).append(">;"); - return sb.toString(); - } else if (Map.class.isAssignableFrom(cls) && (type instanceof ParameterizedType)) { - ParameterizedType pType = (ParameterizedType)type; - Type key = pType.getActualTypeArguments()[0]; - Type value = pType.getActualTypeArguments()[1]; - StringBuffer sb = new StringBuffer(); - sb.append(getSignature(cls)); - sb.deleteCharAt(sb.length() - 1); // Remove ; - sb.append('<').append(getSignature(getErasure(key))).append(getSignature(getErasure(value))).append(">;"); - return sb.toString(); - } else { - return getSignature(cls); - } - } - - /** - * @param type - * @return - */ - public static String getSignature(Type type) { - if (!(type instanceof Class)) { - if (type instanceof ParameterizedType) { - ParameterizedType pType = (ParameterizedType)type; - StringBuffer sb = new StringBuffer(); - String rawType = getSignature(pType.getRawType()); - sb.append(rawType.substring(0, rawType.length() - 1)); - sb.append('<'); - for (Type t : pType.getActualTypeArguments()) { - String argType = getSignature(t); - sb.append(argType); - } - sb.append('>'); - sb.append(rawType.substring(rawType.length() - 1)); - return sb.toString(); - } - if (type instanceof TypeVariable) { - return "T" + ((TypeVariable<?>)type).getName() + ";"; - } - if (type instanceof GenericArrayType) { - GenericArrayType arrayType = (GenericArrayType)type; - return "[" + getSignature(arrayType.getGenericComponentType()); - } - if (type instanceof WildcardType) { - WildcardType wType = (WildcardType)type; - Type[] types = wType.getUpperBounds(); - StringBuffer sb = new StringBuffer(); - if (types.length == 0 || !(types.length == 1 && types[0] == Object.class)) { - sb.append('+'); - for (Type t : types) { - sb.append(getSignature(t)); - } - } - types = wType.getLowerBounds(); - if (types.length != 0) { - sb.append('-'); - for (Type t : wType.getLowerBounds()) { - sb.append(getSignature(t)); - } - } - if (sb.length() == 0) { - return "*"; - } - return sb.toString(); - } - } - Class<?> cls = (Class<?>)type; - return org.objectweb.asm.Type.getDescriptor(cls); - } - - /** - * Get the actual type arguments a child class has used to extend a generic base class. - * - * @param baseClass the base class - * @param childClass the child class - * @return a list of the raw classes for the actual type arguments. - */ - public static <T> List<Class<?>> resovleTypeArguments(Class<T> baseClass, Class<? extends T> childClass) { - Map<Type, Type> resolvedTypes = new HashMap<Type, Type>(); - Type type = childClass; - // start walking up the inheritance hierarchy until we hit baseClass - while (!getErasure(type).equals(baseClass)) { - if (type instanceof Class) { - // there is no useful information for us in raw types, so just keep going. - type = ((Class<?>)type).getGenericSuperclass(); - } else { - ParameterizedType parameterizedType = (ParameterizedType)type; - Class<?> rawType = getErasure(parameterizedType.getRawType()); - - Type[] actualTypeArguments = parameterizedType.getActualTypeArguments(); - TypeVariable<?>[] typeParameters = rawType.getTypeParameters(); - for (int i = 0; i < actualTypeArguments.length; i++) { - resolvedTypes.put(typeParameters[i], actualTypeArguments[i]); - } - - if (!rawType.equals(baseClass)) { - type = rawType.getGenericSuperclass(); - } - } - } - - // finally, for each actual type argument provided to baseClass, determine (if possible) - // the raw class for that type argument. - Type[] actualTypeArguments; - if (type instanceof Class) { - actualTypeArguments = ((Class<?>)type).getTypeParameters(); - } else { - actualTypeArguments = ((ParameterizedType)type).getActualTypeArguments(); - } - List<Class<?>> typeArgumentsAsClasses = new ArrayList<Class<?>>(); - // resolve types by chasing down type variables. - for (Type baseType : actualTypeArguments) { - while (resolvedTypes.containsKey(baseType)) { - baseType = resolvedTypes.get(baseType); - } - typeArgumentsAsClasses.add(getErasure(baseType)); - } - return typeArgumentsAsClasses; - } - - /* - signatures.put(boolean.class, "Z"); - signatures.put(byte.class, "B"); - signatures.put(char.class, "C"); - signatures.put(short.class, "S"); - signatures.put(int.class, "I"); - signatures.put(long.class, "J"); - signatures.put(float.class, "F"); - signatures.put(double.class, "D"); - */ - public static int getLoadOPCode(String signature) { - if ("Z".equals(signature) || "B".equals(signature) - || "C".equals(signature) - || "S".equals(signature) - || "I".equals(signature)) { - return Opcodes.ILOAD; - } - - if ("J".equals(signature)) { - return Opcodes.LLOAD; - } - - if ("F".equals(signature)) { - return Opcodes.FLOAD; - } - - if ("D".equals(signature)) { - return Opcodes.DLOAD; - } - - return Opcodes.ALOAD; - - } - - public static int getReturnOPCode(String signature) { - if ("Z".equals(signature) || "B".equals(signature) - || "C".equals(signature) - || "S".equals(signature) - || "I".equals(signature)) { - return Opcodes.IRETURN; - } - - if ("J".equals(signature)) { - return Opcodes.LRETURN; - } - - if ("F".equals(signature)) { - return Opcodes.FRETURN; - } - - if ("D".equals(signature)) { - return Opcodes.DRETURN; - } - if ("V".equals(signature)) { - return Opcodes.RETURN; - } - - return Opcodes.ARETURN; - - } - - /** - * Get the package prefix for generated JAXWS artifacts - * @param cls - * @return - */ - public static String getPackagePrefix(Class<?> cls) { - String name = cls.getName(); - int index = name.lastIndexOf('.'); - if (index == -1) { - return "jaxws."; - } else { - return name.substring(0, index) + ".jaxws."; - } - } - -} |