diff options
Diffstat (limited to 'sca-java-1.x/trunk/modules/databinding-json-2-x/src/main/java/org/apache/tuscany/sca/databinding/json2x/jackson/Object2JSON.java')
-rw-r--r-- | sca-java-1.x/trunk/modules/databinding-json-2-x/src/main/java/org/apache/tuscany/sca/databinding/json2x/jackson/Object2JSON.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sca-java-1.x/trunk/modules/databinding-json-2-x/src/main/java/org/apache/tuscany/sca/databinding/json2x/jackson/Object2JSON.java b/sca-java-1.x/trunk/modules/databinding-json-2-x/src/main/java/org/apache/tuscany/sca/databinding/json2x/jackson/Object2JSON.java new file mode 100644 index 0000000000..d7d04d7848 --- /dev/null +++ b/sca-java-1.x/trunk/modules/databinding-json-2-x/src/main/java/org/apache/tuscany/sca/databinding/json2x/jackson/Object2JSON.java @@ -0,0 +1,83 @@ +/*
+ * 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.json2x.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.json2x.JSONDataBinding;
+import org.apache.tuscany.sca.databinding.json2x.JSONHelper;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.JsonParser;
+import org.codehaus.jackson.map.ObjectMapper;
+
+/**
+ * @version $Rev: 948680 $ $Date: 2010-05-27 06:59:55 +0100 (Thu, 27 May 2010) $
+ */
+public class Object2JSON implements PullTransformer<Object, Object> {
+ private ObjectMapper mapper;
+
+ public Object2JSON() {
+ super();
+ mapper = JacksonHelper.createObjectMapper();
+ }
+
+ public Object transform(Object source, TransformationContext context) {
+ if (source == null) {
+ return null;
+ }
+
+ Class<?> targetType = null;
+ if (context != null && context.getTargetDataType() != null) {
+ targetType = context.getTargetDataType().getPhysical();
+ }
+ if (targetType == null) {
+ targetType = String.class;
+ }
+ try {
+ String value = mapper.writeValueAsString(source);
+ if (targetType == String.class || targetType == Object.class) {
+ return value;
+ } else if (JsonNode.class.isAssignableFrom(targetType)) {
+ return JacksonHelper.createJsonParser(value).readValueAsTree();
+ }
+ if (JsonParser.class.isAssignableFrom(targetType)) {
+ return JacksonHelper.createJsonParser(value);
+ } else {
+ return JSONHelper.toJSON(value, targetType);
+ }
+ } catch (Exception e) {
+ throw new TransformationException(e);
+ }
+ }
+
+ public String getSourceDataBinding() {
+ return JavaBeansDataBinding.NAME;
+ }
+
+ public String getTargetDataBinding() {
+ return JSONDataBinding.NAME;
+ }
+
+ public int getWeight() {
+ return 5000;
+ }
+}
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