diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java b/sca-java-1.x/tags/1.6/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java new file mode 100644 index 0000000000..64ea57f836 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/TupleTypeHelper.java @@ -0,0 +1,70 @@ +/* + * 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.reflect.Field; +import java.util.ArrayList; +import java.util.List; + +import com.ericsson.otp.erlang.OtpErlangObject; +import com.ericsson.otp.erlang.OtpErlangTuple; + +/** + * @version $Rev$ $Date$ + */ +public class TupleTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + Class<?> forClass = object.getClass(); + List<OtpErlangObject> tupleMembers = new ArrayList<OtpErlangObject>(); + Field[] fields = forClass.getFields(); + for (int i = 0; i < fields.length; i++) { + try { + OtpErlangObject member = TypeHelpersProxy.toErlang(fields[i] + .get(object), fields[i].getAnnotations()); + tupleMembers.add(member); + } catch (IllegalArgumentException e) { + // no problem should occur here + } catch (IllegalAccessException e) { + // and here + } + } + OtpErlangObject result = new OtpErlangTuple(tupleMembers + .toArray(new OtpErlangObject[tupleMembers.size()])); + return result; + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) + throws Exception { + Object result = null; + OtpErlangTuple tuple = (OtpErlangTuple) object; + Field[] fields = forClass.getFields(); + result = forClass.newInstance(); + for (int i = 0; i < tuple.arity(); i++) { + OtpErlangObject tupleMember = tuple.elementAt(i); + Object javaMember = TypeHelpersProxy.toJava(tupleMember, fields[i] + .getType(), fields[i].getAnnotations()); + fields[i].setAccessible(true); + fields[i].set(result, javaMember); + } + return result; + } + +} |