diff options
author | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-19 02:50:53 +0000 |
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committer | jsdelfino <jsdelfino@13f79535-47bb-0310-9956-ffa450edef68> | 2010-07-19 02:50:53 +0000 |
commit | f59fca36e7538cafbd6032003c7b06d64862a2bf (patch) | |
tree | e5b1222e40a7abc8b945195df39ab97c5eb5729c /sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson | |
parent | 1a8707aa6ad5e22117a9f17e88322a6ee824aa44 (diff) |
Branch to experiment with dynamic component interfaces and implementations.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@965346 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson')
5 files changed, 401 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/InputStream2JSON.java b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/InputStream2JSON.java new file mode 100644 index 0000000000..57b9d55b44 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/InputStream2JSON.java @@ -0,0 +1,49 @@ +/* + * 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.InputStream; + +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.json.JSONDataBinding; + +/** + * + */ +public class InputStream2JSON implements PullTransformer<InputStream, Object> { + + public String getSourceDataBinding() { + return "application/json" + "#" + InputStream.class.getName(); + } + + public String getTargetDataBinding() { + return JSONDataBinding.NAME; + } + + public int getWeight() { + return 10; + } + + public Object transform(InputStream source, TransformationContext context) { + return JacksonHelper.createJsonParser(source); + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java b/sandbox/sebastien/java/dynamic/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/sandbox/sebastien/java/dynamic/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<Object, Object> { + 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; + } +} diff --git a/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2OutputStream.java b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2OutputStream.java new file mode 100644 index 0000000000..920485a540 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2OutputStream.java @@ -0,0 +1,65 @@ +/* + * 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.OutputStream; + +import org.apache.tuscany.sca.databinding.PushTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.json.JSONDataBinding; +import org.codehaus.jackson.JsonNode; +import org.codehaus.jackson.JsonParser; + +/** + * + */ +public class JSON2OutputStream implements PushTransformer<Object, OutputStream> { + + public String getSourceDataBinding() { + return JSONDataBinding.NAME; + } + + public String getTargetDataBinding() { + return "application/json" + "#" + OutputStream.class.getName(); + } + + public void transform(Object source, OutputStream sink, TransformationContext context) { + if (source == null) { + return; + } + if (source instanceof JsonNode) { + JacksonHelper.write((JsonNode)source, sink); + } else if (source instanceof JsonParser) { + JacksonHelper.write((JsonParser)source, sink); + } else { + try { + sink.write(source.toString().getBytes("UTF-8")); + } catch (Exception e) { + throw new TransformationException(e); + } + } + } + + public int getWeight() { + return 50; + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java new file mode 100644 index 0000000000..ae3bb8fd48 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java @@ -0,0 +1,128 @@ +/* + * 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.InputStream; +import java.io.OutputStream; +import java.io.Reader; +import java.io.StringWriter; + +import org.codehaus.jackson.JsonEncoding; +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.DeserializationConfig; +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); + // [rfeng] To avoid complaints about javaClass + mapper.getDeserializationConfig().set(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, Boolean.FALSE); + 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); + } + } + + public static JsonParser createJsonParser(InputStream content) { + JsonFactory jsonFactory = new JsonFactory(); + try { + return jsonFactory.createJsonParser(content); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static JsonParser createJsonParser(Reader content) { + JsonFactory jsonFactory = new JsonFactory(); + try { + return jsonFactory.createJsonParser(content); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static void write(JsonNode node, OutputStream out) { + try { + JsonFactory jsonFactory = new JsonFactory(); + JsonGenerator generator = jsonFactory.createJsonGenerator(out, JsonEncoding.UTF8); + generator.writeTree(node); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static void write(JsonParser parser, OutputStream out) { + try { + JsonFactory jsonFactory = new JsonFactory(); + JsonGenerator generator = jsonFactory.createJsonGenerator(out, JsonEncoding.UTF8); + JsonNode node = parser.readValueAs(JsonNode.class); + generator.writeTree(node); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + +} diff --git a/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java new file mode 100644 index 0000000000..0948341b76 --- /dev/null +++ b/sandbox/sebastien/java/dynamic/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/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.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.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 { + 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; + } +} |