From 4b3149233be777a531417eb0ca6bafff0483fa1c Mon Sep 17 00:00:00 2001 From: kelvingoodson Date: Thu, 27 May 2010 12:19:53 +0000 Subject: Branch for 2.0 Milestone M5 git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@948800 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/databinding/json/jackson/JSON2Object.java | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java (limited to 'sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java') diff --git a/sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java b/sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java new file mode 100644 index 0000000000..3620fc117f --- /dev/null +++ b/sca-java-2.x/branches/sca-java-2.0-M5/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java @@ -0,0 +1,76 @@ +/* + * 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.json.jackson; + +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding; +import org.apache.tuscany.sca.databinding.json.JSONDataBinding; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParser; +import org.codehaus.jackson.map.ObjectMapper; +import org.codehaus.jackson.map.type.TypeFactory; +import org.codehaus.jackson.type.JavaType; + +/** + * @version $Rev$ $Date$ + */ +public class JSON2Object implements PullTransformer { + private ObjectMapper mapper; + + public JSON2Object() { + super(); + mapper = JacksonHelper.createObjectMapper(); + } + + public Object transform(Object source, TransformationContext context) { + if (source == null) { + return null; + } + + try { + JavaType javaType = TypeFactory.type(context.getTargetDataType().getGenericType()); + if (source instanceof String) { + return mapper.readValue((String)source, javaType); + } else if (source instanceof JsonNode) { + return mapper.treeToValue((JsonNode)source, context.getTargetDataType().getPhysical()); + } else if (source instanceof JsonParser) { + return mapper.readValue((JsonParser)source, javaType); + } else { + return mapper.readValue(source.toString(), javaType); + } + } catch (Exception e) { + throw new TransformationException(e); + } + } + + public String getSourceDataBinding() { + return JSONDataBinding.NAME; + } + + public String getTargetDataBinding() { + return JavaBeansDataBinding.NAME; + } + + public int getWeight() { + return 5000; + } +} -- cgit v1.2.3