diff options
author | rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68> | 2010-04-01 21:21:25 +0000 |
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committer | rfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68> | 2010-04-01 21:21:25 +0000 |
commit | b11e2ee704563e82f8b981cbcc672c4fb65bbc80 (patch) | |
tree | 5f504b41c2d9cb1f59d1d4b7287773e9cbeea6f4 /sca-java-2.x/trunk/modules/databinding-json/src/main/java/org | |
parent | ec66e5f51bc9d17d5332cdc4d30021801c355ae8 (diff) |
Enhance the JSON databindign with Jackson 1.5.0
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@930100 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/trunk/modules/databinding-json/src/main/java/org')
4 files changed, 122 insertions, 25 deletions
diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java index bc6184189a..cdcad3a472 100644 --- a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java +++ b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java @@ -19,6 +19,9 @@ package org.apache.tuscany.sca.databinding.json; +import org.apache.tuscany.sca.databinding.json.jackson.JacksonHelper; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParser; import org.codehaus.jettison.json.JSONException; import org.codehaus.jettison.json.JSONObject; @@ -39,16 +42,24 @@ public class JSONHelper { JSONObject json = null; if (source instanceof JSONObject) { json = (JSONObject)source; - } else if (source instanceof org.json.JSONObject) { - try { - json = new JSONObject(((org.json.JSONObject)source).toString()); - } catch (JSONException e) { - throw new IllegalArgumentException(e); - } + } else if (source instanceof org.json.JSONObject || source instanceof String) { + json = stringToJettision(source.toString()); + } else if (source instanceof JsonNode) { + json = stringToJettision(JacksonHelper.toString((JsonNode)source)); + } else if (source instanceof JsonParser) { + json = stringToJettision(JacksonHelper.toString((JsonParser)source)); } return json; } + private static JSONObject stringToJettision(String content) { + try { + return new JSONObject(content); + } catch (JSONException e) { + throw new IllegalArgumentException(e); + } + } + /** * Convert to org.json.JSONObject * @param source diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java index 6e9f0623f1..5edcc6701e 100644 --- a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java +++ b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java @@ -26,12 +26,9 @@ 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.AnnotationIntrospector; import org.codehaus.jackson.map.ObjectMapper; -import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector; import org.codehaus.jackson.map.type.TypeFactory; import org.codehaus.jackson.type.JavaType; -import org.codehaus.jackson.xc.JaxbAnnotationIntrospector; /** * @version $Rev$ $Date$ @@ -41,12 +38,7 @@ public class JSON2Object implements PullTransformer<Object, Object> { public JSON2Object() { super(); - mapper = new ObjectMapper(); - AnnotationIntrospector primary = new JaxbAnnotationIntrospector(); - AnnotationIntrospector secondary = new JacksonAnnotationIntrospector(); - AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary); - mapper.getDeserializationConfig().setAnnotationIntrospector(pair); - mapper.getSerializationConfig().setAnnotationIntrospector(pair); + mapper = JacksonHelper.createObjectMapper(); } public Object transform(Object source, TransformationContext context) { diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java new file mode 100644 index 0000000000..1e3399017c --- /dev/null +++ b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java @@ -0,0 +1,82 @@ +/* + * 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.io.IOException; +import java.io.StringWriter; + +import org.codehaus.jackson.JsonFactory; +import org.codehaus.jackson.JsonGenerator; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParser; +import org.codehaus.jackson.map.AnnotationIntrospector; +import org.codehaus.jackson.map.ObjectMapper; +import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector; +import org.codehaus.jackson.xc.JaxbAnnotationIntrospector; + +/** + * + */ +public class JacksonHelper { + public static ObjectMapper createObjectMapper() { + ObjectMapper mapper = new ObjectMapper(); + AnnotationIntrospector primary = new JaxbAnnotationIntrospector(); + AnnotationIntrospector secondary = new JacksonAnnotationIntrospector(); + AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary); + mapper.getDeserializationConfig().setAnnotationIntrospector(pair); + mapper.getSerializationConfig().setAnnotationIntrospector(pair); + return mapper; + } + + public static String toString(JsonNode node) { + try { + JsonFactory jsonFactory = new JsonFactory(); + StringWriter sw = new StringWriter(); + JsonGenerator generator = jsonFactory.createJsonGenerator(sw); + generator.writeTree(node); + return sw.toString(); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static String toString(JsonParser parser) { + try { + JsonFactory jsonFactory = new JsonFactory(); + StringWriter sw = new StringWriter(); + JsonGenerator generator = jsonFactory.createJsonGenerator(sw); + JsonNode node = parser.readValueAs(JsonNode.class); + generator.writeTree(node); + return sw.toString(); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static JsonParser createJsonParser(String content) { + JsonFactory jsonFactory = new JsonFactory(); + try { + return jsonFactory.createJsonParser(content); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + +} diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java index 340cf99f37..bd99dfd881 100644 --- a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java +++ b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java @@ -24,10 +24,10 @@ 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.map.AnnotationIntrospector; +import org.apache.tuscany.sca.databinding.json.JSONHelper; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParser; import org.codehaus.jackson.map.ObjectMapper; -import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector; -import org.codehaus.jackson.xc.JaxbAnnotationIntrospector; /** * @version $Rev$ $Date$ @@ -37,12 +37,7 @@ public class Object2JSON implements PullTransformer<Object, Object> { public Object2JSON() { super(); - mapper = new ObjectMapper(); - AnnotationIntrospector primary = new JacksonAnnotationIntrospector(); - AnnotationIntrospector secondary = new JaxbAnnotationIntrospector(); - AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary); - mapper.getDeserializationConfig().setAnnotationIntrospector(pair); - mapper.getSerializationConfig().setAnnotationIntrospector(pair); + mapper = JacksonHelper.createObjectMapper(); } public Object transform(Object source, TransformationContext context) { @@ -50,8 +45,25 @@ public class Object2JSON implements PullTransformer<Object, Object> { return null; } + Class<?> targetType = null; + if (context != null && context.getTargetDataType() != null) { + targetType = context.getTargetDataType().getPhysical(); + } + if (targetType == null) { + targetType = String.class; + } try { - return mapper.writeValueAsString(source); + String value = mapper.writeValueAsString(source); + if (targetType == String.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); } |