From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/databinding/util/DataTypeHelper.java | 167 +++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/util/DataTypeHelper.java (limited to 'sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/util/DataTypeHelper.java') diff --git a/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/util/DataTypeHelper.java b/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/util/DataTypeHelper.java new file mode 100644 index 0000000000..8a0789c673 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/util/DataTypeHelper.java @@ -0,0 +1,167 @@ +/* + * 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.databinding.util; + +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.HashSet; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Interface; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; + +/** + * + * @version $Rev$ $Date$ + */ +public final class DataTypeHelper { + private DataTypeHelper() { + } + + /** + * Find all classes referenced by this data type though java generics + * @param d + * @return + */ + public static Set> findClasses(DataType d) { + Set> classes = new HashSet>(); + Set visited = new HashSet(); + findClasses(d, classes, visited); + return classes; + } + + private static void findClasses(DataType d, Set> classes, Set visited) { + if (d == null) { + return; + } + classes.add(d.getPhysical()); + if (d.getPhysical() != d.getGenericType()) { + findClasses(d.getGenericType(), classes, visited); + } + } + + /** + * Find referenced classes in the generic type + * @param type + * @param classSet + * @param visited + */ + private static void findClasses(Type type, Set> classSet, Set visited) { + if (visited.contains(type) || type == null) { + return; + } + visited.add(type); + if (type instanceof Class) { + Class cls = (Class)type; + if (!cls.isInterface()) { + classSet.add(cls); + } + return; + } else if (type instanceof ParameterizedType) { + ParameterizedType pType = (ParameterizedType)type; + findClasses(pType.getRawType(), classSet, visited); + for (Type t : pType.getActualTypeArguments()) { + findClasses(t, classSet, visited); + } + } else if (type instanceof TypeVariable) { + TypeVariable tv = (TypeVariable)type; + for (Type t : tv.getBounds()) { + findClasses(t, classSet, visited); + } + } else if (type instanceof GenericArrayType) { + GenericArrayType gType = (GenericArrayType)type; + findClasses(gType, classSet, visited); + } else if (type instanceof WildcardType) { + WildcardType wType = (WildcardType)type; + for (Type t : wType.getLowerBounds()) { + findClasses(t, classSet, visited); + } + for (Type t : wType.getUpperBounds()) { + findClasses(t, classSet, visited); + } + } + } + + /** + * Get all the data types in the interface + * @param intf The interface + * @param useWrapper Use wrapper classes? + * @return A list of DataTypes + */ + public static List getDataTypes(Interface intf, boolean useWrapper) { + List dataTypes = new ArrayList(); + for (Operation op : intf.getOperations()) { + getDataTypes(dataTypes, op, useWrapper); + } + return dataTypes; + } + + /** + * Get all the data types in the operation + * @param op The operation + * @param useWrapper Use wrapper classes? + * @return A list of DataTypes + */ + public static List getDataTypes(Operation op, boolean useWrapper) { + List dataTypes = new ArrayList(); + getDataTypes(dataTypes, op, useWrapper); + return dataTypes; + } + + private static void getDataTypes(List dataTypes, Operation op, boolean useWrapper) { + WrapperInfo inputWrapper = op.getInputWrapper(); + WrapperInfo outputWrapper = op.getOutputWrapper(); + + if (useWrapper && (inputWrapper != null) && (outputWrapper != null)) { + DataType dt1 = inputWrapper.getWrapperType(); + if (dt1 != null) { + dataTypes.add(dt1); + } + DataType dt2 = outputWrapper.getWrapperType(); + if (dt2 != null) { + dataTypes.add(dt2); + } + } + // FIXME: [rfeng] We may need to find the referenced classes in the child types + // else + { + for (DataType dt1 : op.getInputType().getLogical()) { + dataTypes.add(dt1); + } + DataType dt2 = op.getOutputType(); + if (dt2 != null) { + dataTypes.add(dt2); + } + } + for (DataType dt3 : op.getFaultTypes()) { + DataType dt4 = dt3.getLogical(); + if (dt4 != null) { + dataTypes.add(dt4); + } + } + } + +} -- cgit v1.2.3