diff options
Diffstat (limited to 'sandbox/event/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/util/OperationMapper.java')
| -rw-r--r-- | sandbox/event/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/util/OperationMapper.java | 578 |
1 files changed, 0 insertions, 578 deletions
diff --git a/sandbox/event/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/util/OperationMapper.java b/sandbox/event/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/util/OperationMapper.java deleted file mode 100644 index a9fabcb82a..0000000000 --- a/sandbox/event/modules/binding-corba-runtime/src/main/java/org/apache/tuscany/sca/binding/corba/impl/util/OperationMapper.java +++ /dev/null @@ -1,578 +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.binding.corba.impl.util; - -import java.lang.reflect.Method; -import java.rmi.RemoteException; -import java.util.Arrays; -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.util.LinkedHashSet; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; -import java.util.Set; - -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.omg.CORBA.portable.IDLEntity; - -/** - * @version $Rev$ $Date$ - */ -public final class OperationMapper { - - private static Set<Class<?>> getAllInterfaces(Class<?> intfClass) { - Set<Class<?>> allInterfaces = new LinkedHashSet<Class<?>>(); - - LinkedList<Class<?>> stack = new LinkedList<Class<?>>(); - stack.addFirst(intfClass); - - while (!stack.isEmpty()) { - Class<?> intf = stack.removeFirst(); - allInterfaces.add(intf); - for (Class<?> i : intf.getInterfaces()) { - stack.add(0, i); - } - } - - return allInterfaces; - } - - /** - * Maps Java methods to operation names - * @param intfClass - * @return - */ - @SuppressWarnings("unchecked") - public static Map<Method, String> mapMethodToOperationName(Class<?> intfClass) { - return iiopMap(intfClass, false); - } - - /** - * Maps operation names to Java methods - * @param intfClass - * @return - */ - @SuppressWarnings("unchecked") - public static Map<String, Method> mapOperationNameToMethod(Class<?> intfClass) { - return iiopMap(intfClass, true); - } - - @SuppressWarnings("unchecked") - private static Map iiopMap(Class<?> intfClass, boolean operationToMethod) { - Method[] methods = getAllMethods(intfClass); - - // find every valid getter - Map<Method, String> getterByMethod = new HashMap<Method, String>(methods.length); - Map<String, Method> getterByName = new HashMap<String, Method>(methods.length); - for (int i = 0; i < methods.length; i++) { - Method method = methods[i]; - String methodName = method.getName(); - - // no arguments allowed - if (method.getParameterTypes().length != 0) { - continue; - } - - // must start with get or is - String verb; - if (methodName.startsWith("get") && methodName.length() > 3 && method.getReturnType() != void.class) { - verb = "get"; - } else if (methodName.startsWith("is") && methodName.length() > 2 && method.getReturnType() == boolean.class) { - verb = "is"; - } else { - continue; - } - - // must only throw Remote or Runtime Exceptions - boolean exceptionsValid = true; - Class[] exceptionTypes = method.getExceptionTypes(); - for (int j = 0; j < exceptionTypes.length; j++) { - Class<?> exceptionType = exceptionTypes[j]; - if (!RemoteException.class.isAssignableFrom(exceptionType) && - !RuntimeException.class.isAssignableFrom(exceptionType) && - !Error.class.isAssignableFrom(exceptionType)) { - exceptionsValid = false; - break; - } - } - if (!exceptionsValid) { - continue; - } - - String propertyName; - if (methodName.length() > verb.length() + 1 && Character.isUpperCase(methodName.charAt(verb.length() + 1))) { - propertyName = methodName.substring(verb.length()); - } else { - propertyName = Character.toLowerCase(methodName.charAt(verb.length())) + methodName.substring(verb.length() + 1); - } - getterByMethod.put(method, propertyName); - getterByName.put(propertyName, method); - } - - Map<Method, String> setterByMethod = new HashMap<Method, String>(methods.length); - for (int i = 0; i < methods.length; i++) { - Method method = methods[i]; - String methodName = method.getName(); - - // must have exactally one arg - if (method.getParameterTypes().length != 1) { - continue; - } - - // must return non void - if (method.getReturnType() != void.class) { - continue; - } - - // must start with set - if (!methodName.startsWith("set") || methodName.length() <= 3) { - continue; - } - - // must only throw Remote or Runtime Exceptions - boolean exceptionsValid = true; - Class<?>[] exceptionTypes = method.getExceptionTypes(); - for (int j = 0; j < exceptionTypes.length; j++) { - Class<?> exceptionType = exceptionTypes[j]; - if (!RemoteException.class.isAssignableFrom(exceptionType) && - !RuntimeException.class.isAssignableFrom(exceptionType) && - !Error.class.isAssignableFrom(exceptionType)) { - exceptionsValid = false; - break; - } - } - if (!exceptionsValid) { - continue; - } - - String propertyName; - if (methodName.length() > 4 && Character.isUpperCase(methodName.charAt(4))) { - propertyName = methodName.substring(3); - } else { - propertyName = Character.toLowerCase(methodName.charAt(3)) + methodName.substring(4); - } - - // must have a matching getter - Method getter = (Method) getterByName.get(propertyName); - if (getter == null) { - continue; - } - - // setter property must match getter return value - if (!method.getParameterTypes()[0].equals(getter.getReturnType())) { - continue; - } - setterByMethod.put(method, propertyName); - } - - // index the methods by name... used to determine which methods are overloaded - HashMap<String, List<Method>> overloadedMethods = new HashMap<String, List<Method>>(methods.length); - for (int i = 0; i < methods.length; i++) { - Method method = methods[i]; - if (getterByMethod.containsKey(method) || setterByMethod.containsKey(method)) { - continue; - } - String methodName = method.getName(); - List<Method> methodList = overloadedMethods.get(methodName); - if (methodList == null) { - methodList = new LinkedList<Method>(); - overloadedMethods.put(methodName, methodList); - } - methodList.add(method); - } - - // index the methods by lower case name... used to determine which methods differ only by case - Map<String, Set<String>> caseCollisionMethods = new HashMap<String, Set<String>>(methods.length); - for (int i = 0; i < methods.length; i++) { - Method method = methods[i]; - if (getterByMethod.containsKey(method) || setterByMethod.containsKey(method)) { - continue; - } - String lowerCaseMethodName = method.getName().toLowerCase(); - Set<String> methodSet = caseCollisionMethods.get(lowerCaseMethodName); - if (methodSet == null) { - methodSet = new HashSet<String>(); - caseCollisionMethods.put(lowerCaseMethodName, methodSet); - } - methodSet.add(method.getName()); - } - - String className = getClassName(intfClass); - Map iiopMap = new HashMap(methods.length); - for (int i = 0; i < methods.length; i++) { - Method method = methods[i]; - - String iiopName = (String) getterByMethod.get(method); - if (iiopName != null) { - // if we have a leading underscore prepend with J - if (iiopName.charAt(0) == '_') { - iiopName = "J_get_" + iiopName.substring(1); - } else { - iiopName = "_get_" + iiopName; - } - } else { - iiopName = (String) setterByMethod.get(method); - if (iiopName != null) { - // if we have a leading underscore prepend with J - if (iiopName.charAt(0) == '_') { - iiopName = "J_set_" + iiopName.substring(1); - } else { - iiopName = "_set_" + iiopName; - } - } else { - iiopName = method.getName(); - - // if we have a leading underscore prepend with J - if (iiopName.charAt(0) == '_') { - iiopName = "J" + iiopName; - } - } - } - - // if this name only differs by case add the case index to the end - Set<String> caseCollisions = caseCollisionMethods.get(method.getName().toLowerCase()); - if (caseCollisions != null && caseCollisions.size() > 1) { - iiopName += upperCaseIndexString(iiopName); - } - - // if this is an overloaded method append the parameter string - List<Method> overloads = overloadedMethods.get(method.getName()); - if (overloads != null && overloads.size() > 1) { - iiopName += buildOverloadParameterString(method.getParameterTypes()); - } - - // if we have a leading underscore prepend with J - iiopName = replace(iiopName, '$', "U0024"); - - // if we have matched a keyword prepend with an underscore - if (keywords.contains(iiopName.toLowerCase())) { - iiopName = "_" + iiopName; - } - - // if the name is the same as the class name, append an underscore - if (iiopName.equalsIgnoreCase(className)) { - iiopName += "_"; - } - - if (operationToMethod) { - iiopMap.put(iiopName, method); - } else { - iiopMap.put(method, iiopName); - } - } - - return iiopMap; - } - - private static Method[] getAllMethods(Class<?> intfClass) { - List<Method> methods = new LinkedList<Method>(); - for (Iterator<Class<?>> iterator = getAllInterfaces(intfClass).iterator(); iterator.hasNext();) { - Class<?> intf = iterator.next(); - methods.addAll(Arrays.asList(intf.getDeclaredMethods())); - } - - return (Method[]) methods.toArray(new Method[methods.size()]); - } - - /** - * Return the a string containing an underscore '_' index of each uppercase - * character in the IIOP name. This is used for distinction of names that - * only differ by case, since CORBA does not support case sensitive names. - */ - private static String upperCaseIndexString(String iiopName) { - StringBuffer stringBuffer = new StringBuffer(); - for (int i = 0; i < iiopName.length(); i++) { - char c = iiopName.charAt(i); - if (Character.isUpperCase(c)) { - stringBuffer.append('_').append(i); - } - } - return stringBuffer.toString(); - } - - /** - * Replaces any occurances of the specified "oldChar" with the new string. - * This is used to replace occurances if '$' in CORBA names since '$' is a - * special character - */ - private static String replace(String source, char oldChar, String newString) { - StringBuffer stringBuffer = new StringBuffer(source.length()); - for (int i = 0; i < source.length(); i++) { - char c = source.charAt(i); - if (c == oldChar) { - stringBuffer.append(newString); - } else { - stringBuffer.append(c); - } - } - return stringBuffer.toString(); - } - - /** - * Return the a string containing a double underscore '__' list of parameter - * types encoded using the Java to IDL rules. This is used for distinction - * of methods that only differ by parameter lists. - */ - private static String buildOverloadParameterString(Class<?>[] parameterTypes) { - String name = ""; - if (parameterTypes.length == 0) { - name += "__"; - } else { - for (int i = 0; i < parameterTypes.length; i++) { - Class<?> parameterType = parameterTypes[i]; - name += buildOverloadParameterString(parameterType); - } - } - return name.replace('.', '_'); - } - - /** - * Returns a single parameter type encoded using the Java to IDL rules. - */ - private static String buildOverloadParameterString(Class<?> parameterType) { - String name = "_"; - - int arrayDimensions = 0; - while (parameterType.isArray()) { - arrayDimensions++; - parameterType = parameterType.getComponentType(); - } - - // arrays start with org_omg_boxedRMI_ - if (arrayDimensions > 0) { - name += "_org_omg_boxedRMI"; - } - - // IDLEntity types must be prefixed with org_omg_boxedIDL_ - if (IDLEntity.class.isAssignableFrom(parameterType)) { - name += "_org_omg_boxedIDL"; - } - - // add package... some types have special mappings in corba - String packageName = (String)specialTypePackages.get(parameterType.getName()); - if (packageName == null) { - packageName = getPackageName(parameterType.getName()); - } - if (packageName.length() > 0) { - name += "_" + packageName; - } - - // arrays now contain a dimension indicator - if (arrayDimensions > 0) { - name += "_" + "seq" + arrayDimensions; - } - - // add the class name - String className = (String)specialTypeNames.get(parameterType.getName()); - if (className == null) { - className = buildClassName(parameterType); - } - name += "_" + className; - - return name; - } - - /** - * Returns a string containing an encoded class name. - */ - private static String buildClassName(Class<?> type) { - if (type.isArray()) { - throw new IllegalArgumentException("type is an array: " + type); - } - - // get the classname - String typeName = type.getName(); - int endIndex = typeName.lastIndexOf('.'); - if (endIndex < 0) { - return typeName; - } - StringBuffer className = new StringBuffer(typeName.substring(endIndex + 1)); - - // for innerclasses replace the $ separator with two underscores - // we can't just blindly replace all $ characters since class names can - // contain the $ character - if (type.getDeclaringClass() != null) { - String declaringClassName = getClassName(type.getDeclaringClass()); - assert className.toString().startsWith(declaringClassName + "$"); - className.replace(declaringClassName.length(), declaringClassName.length() + 1, "__"); - } - - // if we have a leading underscore prepend with J - if (className.charAt(0) == '_') { - className.insert(0, "J"); - } - return className.toString(); - } - - private static String getClassName(Class<?> type) { - if (type.isArray()) { - throw new IllegalArgumentException("type is an array: " + type); - } - - // get the classname - String typeName = type.getName(); - int endIndex = typeName.lastIndexOf('.'); - if (endIndex < 0) { - return typeName; - } - return typeName.substring(endIndex + 1); - } - - private static String getPackageName(String interfaceName) { - int endIndex = interfaceName.lastIndexOf('.'); - if (endIndex < 0) { - return ""; - } - return interfaceName.substring(0, endIndex); - } - - private static final Map<String, String> specialTypeNames; - private static final Map<String, String> specialTypePackages; - private static final Set<String> keywords; - - static { - specialTypeNames = new HashMap<String, String>(); - specialTypeNames.put("boolean", "boolean"); - specialTypeNames.put("char", "wchar"); - specialTypeNames.put("byte", "octet"); - specialTypeNames.put("short", "short"); - specialTypeNames.put("int", "long"); - specialTypeNames.put("long", "long_long"); - specialTypeNames.put("float", "float"); - specialTypeNames.put("double", "double"); - specialTypeNames.put("java.lang.Class", "ClassDesc"); - specialTypeNames.put("java.lang.String", "WStringValue"); - specialTypeNames.put("org.omg.CORBA.Object", "Object"); - - specialTypePackages = new HashMap<String, String>(); - specialTypePackages.put("boolean", ""); - specialTypePackages.put("char", ""); - specialTypePackages.put("byte", ""); - specialTypePackages.put("short", ""); - specialTypePackages.put("int", ""); - specialTypePackages.put("long", ""); - specialTypePackages.put("float", ""); - specialTypePackages.put("double", ""); - specialTypePackages.put("java.lang.Class", "javax.rmi.CORBA"); - specialTypePackages.put("java.lang.String", "CORBA"); - specialTypePackages.put("org.omg.CORBA.Object", ""); - - keywords = new HashSet<String>(); - keywords.add("abstract"); - keywords.add("any"); - keywords.add("attribute"); - keywords.add("boolean"); - keywords.add("case"); - keywords.add("char"); - keywords.add("const"); - keywords.add("context"); - keywords.add("custom"); - keywords.add("default"); - keywords.add("double"); - keywords.add("enum"); - keywords.add("exception"); - keywords.add("factory"); - keywords.add("false"); - keywords.add("fixed"); - keywords.add("float"); - keywords.add("in"); - keywords.add("inout"); - keywords.add("interface"); - keywords.add("long"); - keywords.add("module"); - keywords.add("native"); - keywords.add("object"); - keywords.add("octet"); - keywords.add("oneway"); - keywords.add("out"); - keywords.add("private"); - keywords.add("public"); - keywords.add("raises"); - keywords.add("readonly"); - keywords.add("sequence"); - keywords.add("short"); - keywords.add("string"); - keywords.add("struct"); - keywords.add("supports"); - keywords.add("switch"); - keywords.add("true"); - keywords.add("truncatable"); - keywords.add("typedef"); - keywords.add("union"); - keywords.add("unsigned"); - keywords.add("valuebase"); - keywords.add("valuetype"); - keywords.add("void"); - keywords.add("wchar"); - keywords.add("wstring"); - } - - @SuppressWarnings("unchecked") - public static Map<Operation, Method> mapOperationToMethod(List<Operation> operations, Class<?> forClass) { - return (Map<Operation, Method>)createMethod2OperationMapping(operations, forClass, false); - } - - @SuppressWarnings("unchecked") - public static Map<Method, Operation> mapMethodToOperation(List<Operation> operations, Class<?> forClass) { - return (Map<Method, Operation>)createMethod2OperationMapping(operations, forClass, true); - } - - /** - * Maps Java methods to Tuscany operations - */ - @SuppressWarnings("unchecked") - private static Map createMethod2OperationMapping(List<Operation> operations, Class<?> forClass, boolean method2operation) { - // for every operation find all methods with the same name, then - // compare operations and methods parameters - Map mapping = new HashMap(); - for (Operation operation : operations) { - List<DataType> inputTypes = operation.getInputType().getLogical(); - Method[] methods = forClass.getMethods(); - for (int i = 0; i < methods.length; i++) { - if (methods[i].getName().equals(operation.getName()) && inputTypes.size() == methods[i] - .getParameterTypes().length) { - Class<?>[] parameterTypes = methods[i].getParameterTypes(); - int j = 0; - boolean parameterMatch = true; - for (DataType dataType : inputTypes) { - if (!dataType.getPhysical().equals(parameterTypes[j])) { - parameterMatch = false; - break; - } - j++; - } - if (parameterMatch) { - // match found - if (method2operation) { - mapping.put(methods[i], operation); - } else { - mapping.put(operation, methods[i]); - } - break; - } - } - } - } - return mapping; - } - -} |