diff options
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java new file mode 100644 index 0000000000..d543d0554a --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java @@ -0,0 +1,92 @@ +/* + * 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 java.math.BigDecimal; + +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.apache.tuscany.sca.databinding.json.JSONHelper; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParser; +import org.codehaus.jackson.map.ObjectMapper; + +/** + * @version $Rev$ $Date$ + */ +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 { + if (targetType != null && targetType.isPrimitive()) { + return source; + } + String value = mapper.writeValueAsString(source); + if (targetType == String.class || + targetType == Object.class || + targetType.isPrimitive()) { + return value; + } else if (targetType == BigDecimal.class){ + return value.toString(); + } 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; + } +} |