diff options
Diffstat (limited to 'branches/sca-java-1.5.1/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java')
| -rw-r--r-- | branches/sca-java-1.5.1/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/branches/sca-java-1.5.1/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java b/branches/sca-java-1.5.1/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java deleted file mode 100644 index 2ab29490e3..0000000000 --- a/branches/sca-java-1.5.1/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TypeHelpersProxy.java +++ /dev/null @@ -1,291 +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.erlang.impl.types;
-
-import java.lang.annotation.Annotation;
-import java.lang.reflect.Array;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.tuscany.sca.binding.erlang.impl.TypeMismatchException;
-import org.apache.tuscany.sca.binding.erlang.meta.ErlangAtom;
-
-import com.ericsson.otp.erlang.OtpErlangList;
-import com.ericsson.otp.erlang.OtpErlangObject;
-import com.ericsson.otp.erlang.OtpErlangTuple;
-
-/**
- * @version $Rev$ $Date$
- */
-public class TypeHelpersProxy {
-
- private static Map<Class<?>, TypeHelper> primitiveTypes = null;
-
- static {
- // initiate type helpers
- primitiveTypes = new HashMap<Class<?>, TypeHelper>();
- primitiveTypes.put(boolean.class, new BooleanTypeHelper());
- primitiveTypes.put(short.class, new ShortTypeHelper());
- primitiveTypes.put(byte.class, new ByteTypeHelper());
- primitiveTypes.put(char.class, new CharTypeHelper());
- primitiveTypes.put(int.class, new IntTypeHelper());
- primitiveTypes.put(long.class, new LongTypeHelper());
- primitiveTypes.put(float.class, new FloatTypeHelper());
- primitiveTypes.put(double.class, new DoubleTypeHelper());
- primitiveTypes.put(String.class, new StringTypeHelper());
- primitiveTypes.put(Boolean.class, primitiveTypes.get(boolean.class));
- primitiveTypes.put(Character.class, primitiveTypes.get(char.class));
- primitiveTypes.put(Short.class, primitiveTypes.get(char.class));
- primitiveTypes.put(Byte.class, primitiveTypes.get(byte.class));
- primitiveTypes.put(Short.class, primitiveTypes.get(short.class));
- primitiveTypes.put(Integer.class, primitiveTypes.get(int.class));
- primitiveTypes.put(Long.class, primitiveTypes.get(long.class));
- primitiveTypes.put(Float.class, primitiveTypes.get(float.class));
- primitiveTypes.put(Double.class, primitiveTypes.get(double.class));
- primitiveTypes.put(byte[].class, new BinaryTypeHelper());
- primitiveTypes.put(ErlangAtom.class, new AtomTypeHelper());
- }
-
- private static TypeHelper getTypeHelper(Class<?> forClass,
- Annotation[] notes) {
- TypeHelper typeHelper = null;
- // check for special types marked by annotations
- for (int i = 0; i < notes.length; i++) {
- typeHelper = primitiveTypes.get(notes[i].annotationType());
- if (typeHelper != null) {
- // get type which is annotated, reduce array if needed
- Class<?> annotatedType = forClass;
- while (annotatedType.isArray()) {
- annotatedType = annotatedType.getComponentType();
- }
- if (notes[i].annotationType().equals(ErlangAtom.class)
- && !annotatedType.equals(String.class)) {
- // NOTE: @ErlangAtom atom will be ignored if not annotates
- // string
- typeHelper = null;
- } else {
- // check if annotation points to array
- if (forClass.isArray()) {
- typeHelper = new AnnotatedListTypeHelper(notes);
- }
- break;
- }
- }
- }
- // check for standard types
- if (typeHelper == null) {
- typeHelper = primitiveTypes.get(forClass);
- }
- // check for arrays
- if (typeHelper == null && forClass.isArray()) {
- typeHelper = new ListTypeHelper();
- }
- // others would be tuples
- if (typeHelper == null) {
- typeHelper = new TupleTypeHelper();
- }
- return typeHelper;
- }
-
- /**
- * Converts single Java object into Erlang
- *
- * @param object
- * @param notes
- * @return
- */
- public static OtpErlangObject toErlang(Object object, Annotation[] notes) {
- TypeHelper helper = getTypeHelper(object.getClass(), notes);
- return helper.toErlang(object);
- }
-
- /**
- * Converts Java objects arrays to Erlang: 1. single object (if array arity
- * == 1) or 2. tuple (if array arity > 1)
- *
- * @param objects
- * @return
- */
- public static OtpErlangObject toErlang(Object[] objects,
- Annotation[][] notes) {
- OtpErlangObject result = null;
- if (objects != null) {
- TypeHelper helper = null;
- switch (objects.length) {
- case 0:
- result = new OtpErlangList();
- break;
- case 1:
- helper = getTypeHelper(objects[0].getClass(), notes[0]);
- result = helper.toErlang(objects[0]);
- break;
- default:
- OtpErlangObject[] erlObjects = new OtpErlangObject[objects.length];
- for (int i = 0; i < objects.length; i++) {
- helper = getTypeHelper(objects[i].getClass(), notes[i]);
- erlObjects[i] = helper.toErlang(objects[i]);
- }
- result = new OtpErlangTuple(erlObjects);
- break;
- }
- }
- return result;
- }
-
- /**
- * Creates Erlang list basing on unknown Java arrays
- *
- * @param array
- * @param notes
- * @return
- */
- public static OtpErlangList toErlangAsList(Object array,
- Annotation[][] notes) {
- return toErlangAsList(array, notes, false);
- }
-
- /**
- * Creates Erlang list of result elements
- *
- * @param array
- * @param notes
- * @return
- */
- public static OtpErlangList toErlangAsResultList(Object array,
- Annotation[] notes) {
- return toErlangAsList(array, new Annotation[][] { notes }, true);
- }
-
- /**
- *
- * @param array
- * @param notes
- * @param isArray
- * @return
- */
- private static OtpErlangList toErlangAsList(Object array,
- Annotation[][] notes, boolean isArray) {
- OtpErlangList result = null;
- if (array != null) {
- List<OtpErlangObject> attrsList = new ArrayList<OtpErlangObject>();
- int i = 0;
- while (true) {
- try {
- Annotation[] currNotes = isArray ? notes[0] : notes[i];
- TypeHelper helper = getTypeHelper(Array.get(array, i)
- .getClass(), currNotes);
- attrsList.add(helper.toErlang(Array.get(array, i)));
- i++;
- } catch (ArrayIndexOutOfBoundsException e) {
- break;
- }
- }
- result = new OtpErlangList(attrsList
- .toArray(new OtpErlangObject[attrsList.size()]));
- } else {
- result = new OtpErlangList();
- }
- return result;
- }
-
- /**
- * Converts single Erlang object to Java
- *
- * @param object
- * @param forClass
- * @return
- * @throws Exception
- */
- public static Object toJava(OtpErlangObject object, Class<?> forClass,
- Annotation[] notes) throws Exception {
- try {
- TypeHelper helper = getTypeHelper(forClass, notes);
- return helper.toJava(object, forClass);
- } catch (ClassCastException e) {
- throw new TypeMismatchException(forClass, object.getClass());
- }
- }
-
- /**
- * Creates array of Java objects from Erlang list
- *
- * @param objects
- * @param forClass
- * @return
- * @throws Exception
- */
- public static Object[] toJavaFromList(OtpErlangList objects,
- Class<?>[] forClass, Annotation[][] notes) throws Exception {
- Object[] result = new Object[objects.arity()];
- try {
- for (int i = 0; i < objects.arity(); i++) {
- TypeHelper helper = getTypeHelper(forClass[i], notes[i]);
- result[i] = helper.toJava(objects.elementAt(i), forClass[i]);
- }
- } catch (Exception e) {
- // type mismatch as mismatch of parameters count or parameters type
- if (e.getClass().equals(ClassCastException.class)
- || e.getClass()
- .equals(ArrayIndexOutOfBoundsException.class))
- throw new TypeMismatchException();
- }
- return result;
- }
-
- /**
- * Converts incoming Erlang message to operation arguments
- *
- * @param objects
- * @param forClass
- * @return
- * @throws Exception
- */
- public static Object[] toJavaAsArgs(OtpErlangObject objects,
- Class<?>[] forClass, Annotation[][] notes) throws Exception {
- OtpErlangObject[] args = null;
- // normalize input
- if (objects.getClass().equals(OtpErlangTuple.class)) {
- args = new OtpErlangObject[((OtpErlangTuple) objects).arity()];
- for (int i = 0; i < ((OtpErlangTuple) objects).arity(); i++) {
- args[i] = ((OtpErlangTuple) objects).elementAt(i);
- }
- } else {
- args = new OtpErlangObject[1];
- args[0] = objects;
- }
- Object[] result = new Object[args.length];
- try {
- for (int i = 0; i < args.length; i++) {
- TypeHelper helper = getTypeHelper(forClass[i], notes[i]);
- result[i] = helper.toJava(args[i], forClass[i]);
- }
- } catch (Exception e) {
- // type mismatch as mismatch of parameters count or parameters type
- if (e.getClass().equals(ClassCastException.class)
- || e.getClass()
- .equals(ArrayIndexOutOfBoundsException.class))
- throw new TypeMismatchException();
- }
- return result;
- }
-
-}
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