diff options
Diffstat (limited to 'sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java')
-rw-r--r-- | sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java b/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java new file mode 100644 index 0000000000..86dcd4fc0f --- /dev/null +++ b/sandbox/wjaniszewski/binding-erlang-runtime/src/main/java/org/apache/tuscany/sca/binding/erlang/impl/types/ListTypeHelper.java @@ -0,0 +1,57 @@ +/* + * 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.Array; +import java.util.ArrayList; +import java.util.List; + +import com.ericsson.otp.erlang.OtpErlangList; +import com.ericsson.otp.erlang.OtpErlangObject; + +public class ListTypeHelper implements TypeHelper { + + public OtpErlangObject toErlang(Object object) { + int i = 0; + List<OtpErlangObject> elements = new ArrayList<OtpErlangObject>(); + while (true) { + try { + Object arrElement = Array.get(object, i); + Object[] args = new Object[] {arrElement}; + elements.add(TypeHelpersProxy.toErlang(args)); + i++; + } catch (ArrayIndexOutOfBoundsException e) { + // expected + break; + } + } + return new OtpErlangList(elements.toArray(new OtpErlangObject[elements.size()])); + } + + public Object toJava(OtpErlangObject object, Class<?> forClass) throws Exception { + OtpErlangList erlangList = (OtpErlangList)object; + Object result = Array.newInstance(forClass.getComponentType(), erlangList.arity()); + for (int i = 0; i < erlangList.arity(); i++) { + Array.set(result, i, TypeHelpersProxy.toJava(erlangList.elementAt(i), forClass.getComponentType())); + } + return result; + } + +} |