diff options
Diffstat (limited to 'sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding')
14 files changed, 1329 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java new file mode 100644 index 0000000000..4577e7260e --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java @@ -0,0 +1,61 @@ +/* + * 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; + +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.BaseTransformer; + +/** + * @version $Rev$ $Date$ + */ +public class JSON2String extends BaseTransformer<Object, String> implements + PullTransformer<Object, String> { + + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + @Override + protected Class<String> getTargetType() { + return String.class; + } + + public String transform(Object source, TransformationContext context) { + try { + return source.toString(); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + public int getWeight() { + return 500; + } + + @Override + public String getSourceDataBinding() { + return JSONDataBinding.NAME; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.java new file mode 100644 index 0000000000..4989f59143 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.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; + +import javax.xml.stream.XMLStreamReader; + +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.BaseTransformer; +import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamReader; +import org.codehaus.jettison.json.JSONObject; + +/** + * @version $Rev$ $Date$ + */ +public class JSON2XMLStreamReader extends BaseTransformer<Object, XMLStreamReader> implements + PullTransformer<Object, XMLStreamReader> { + + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + @Override + protected Class<XMLStreamReader> getTargetType() { + return XMLStreamReader.class; + } + + public XMLStreamReader transform(Object source, TransformationContext context) { + try { + JSONObject json = JSONHelper.toJettison(source); + return new BadgerFishXMLStreamReader(json); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + public int getWeight() { + return 500; + } + @Override + public String getSourceDataBinding() { + return JSONDataBinding.NAME; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java new file mode 100644 index 0000000000..1557c90bce --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java @@ -0,0 +1,78 @@ +/* + * 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; + + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.databinding.BaseDataBinding; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.codehaus.jettison.json.JSONObject; + +/** + * JAXB DataBinding + * + * @version $Rev$ $Date$ + */ +public class JSONDataBinding extends BaseDataBinding { + public static final String NAME = "JSON"; + + public static final String ROOT_NAMESPACE = "http://tuscany.apache.org/xmlns/sca/databinding/json/1.0"; + public static final QName ROOT_ELEMENT = new QName(ROOT_NAMESPACE, "root"); + + public JSONDataBinding() { + super(NAME, org.json.JSONObject.class); + } + + @Override + public boolean introspect(DataType type, Operation operation) { + assert type != null; + Class cls = type.getPhysical(); + if (JSONObject.class.isAssignableFrom(cls) || org.json.JSONObject.class.isAssignableFrom(cls)) { + type.setDataBinding(getName()); + if (type.getLogical() == null) { + type.setLogical(XMLType.UNKNOWN); + } + return true; + } + return false; + } + + @SuppressWarnings("unchecked") + @Override + public Object copy(Object arg, + DataType sourceDataType, + DataType targetDataType, + Operation sourceOperation, + Operation targetOperation) { + if (arg == null) { + return null; + } + try { + Class type = arg != null ? arg.getClass() : null; + return JSONHelper.toJSON(arg.toString(), type); + } catch (Exception e) { + throw new IllegalArgumentException(e); + } + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java new file mode 100644 index 0000000000..a17c08ad20 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java @@ -0,0 +1,106 @@ +/* + * 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; + +import java.util.Collection; + +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; +import org.json.JSONArray; + +/** + * @version $Rev$ $Date$ + */ +public class JSONHelper { + private JSONHelper() { + + } + + /** + * Convert to Jettison JSONObject + * @param source + * @return + */ + public static JSONObject toJettison(Object source) { + JSONObject json = null; + if (source instanceof JSONObject) { + json = (JSONObject)source; + } 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 + * @return + */ + public static org.json.JSONObject toJSONOrg(Object source) { + org.json.JSONObject json = null; + if (source instanceof JSONObject) { + try { + json = new org.json.JSONObject(((JSONObject)source).toString()); + } catch (org.json.JSONException e) { + throw new IllegalArgumentException(e); + } + } else if (source instanceof org.json.JSONObject) { + json = (org.json.JSONObject)source; + } + return json; + } + + public static Object toJSON(String json, Class<?> type) { + if (type == JSONObject.class) { + try { + return new JSONObject(json); + } catch (JSONException e) { + throw new IllegalArgumentException(e); + } + } else { + if (type == null) { + type = org.json.JSONObject.class; + } + try { + if (type == JSONArray.class || type.isArray() || Collection.class.isAssignableFrom(type)) { + return new JSONArray(json); + } + return JacksonHelper.MAPPER.readValue(json, org.json.JSONObject.class); + } catch (Exception e) { + throw new IllegalArgumentException(e); + } + } + } +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java new file mode 100644 index 0000000000..1b4381970b --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java @@ -0,0 +1,64 @@ +/* + * 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; + +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; + +/** + * @version $Rev$ $Date$ + */ +public class String2JSON extends BaseTransformer<String, Object> implements PullTransformer<String, Object> { + + @Override + protected Class<String> getSourceType() { + return String.class; + } + + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + public Object transform(String source, TransformationContext context) { + try { + Class<?> type = null; + if (context != null && context.getTargetDataType() != null) { + type = context.getTargetDataType().getPhysical(); + } + return JSONHelper.toJSON(source, type); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + public int getWeight() { + return 500; + } + + @Override + public String getTargetDataBinding() { + return JSONDataBinding.NAME; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java new file mode 100644 index 0000000000..76ccc69c55 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.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; + +import java.io.StringWriter; + +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.tuscany.sca.common.xml.stax.StAXHelper; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +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.BaseTransformer; +import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamWriter; + +/** + * @version $Rev$ $Date$ + */ +public class XMLStreamReader2JSON extends BaseTransformer<XMLStreamReader, Object> implements + PullTransformer<XMLStreamReader, Object> { + + private StAXHelper staxHelper; + + public XMLStreamReader2JSON(ExtensionPointRegistry registry) { + staxHelper = StAXHelper.getInstance(registry); + } + + @Override + protected Class<XMLStreamReader> getSourceType() { + return XMLStreamReader.class; + } + + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + public Object transform(XMLStreamReader source, TransformationContext context) { + try { + StringWriter writer = new StringWriter(); + XMLStreamWriter jsonWriter = new BadgerFishXMLStreamWriter(writer); + staxHelper.save(source, jsonWriter); + source.close(); + Class type = null; + if (context != null && context.getTargetDataType() != null) { + type = context.getTargetDataType().getPhysical(); + } + return JSONHelper.toJSON(writer.toString(), type); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + public int getWeight() { + return 500; + } + + @Override + public String getTargetDataBinding() { + return JSONDataBinding.NAME; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java new file mode 100644 index 0000000000..c7c9adc882 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java @@ -0,0 +1,94 @@ +/* + * 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.axiom; + + +import org.apache.axiom.om.OMAbstractFactory; +import org.apache.axiom.om.OMElement; +import org.apache.axiom.om.OMFactory; +import org.apache.axiom.om.OMNamespace; +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.Transformer; +import org.apache.tuscany.sca.databinding.BaseTransformer; +import org.apache.tuscany.sca.databinding.json.JSONDataBinding; +import org.apache.tuscany.sca.databinding.json.JSONHelper; +import org.apache.tuscany.sca.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.util.XMLType; +import org.codehaus.jettison.json.JSONObject; +import org.oasisopen.sca.annotation.Service; + +/** + * @version $Rev$ $Date$ + */ +@Service(Transformer.class) +public class JSON2OMElement extends BaseTransformer<Object, OMElement> implements PullTransformer<Object, OMElement> { + + private OMFactory factory = OMAbstractFactory.getOMFactory(); + + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + @Override + protected Class<OMElement> getTargetType() { + return OMElement.class; + } + + public OMElement transform(Object source, TransformationContext context) { + try { + JSONObject json = JSONHelper.toJettison(source); + if (json == null) { + return null; + } + String ns = JSONDataBinding.ROOT_ELEMENT.getNamespaceURI(); + String name = JSONDataBinding.ROOT_ELEMENT.getLocalPart(); + if (context != null) { + DataType<?> dataType = context.getTargetDataType(); + Object logical = dataType.getLogical(); + if (logical instanceof XMLType) { + XMLType xmlType = (XMLType)logical; + if (xmlType.isElement()) { + ns = xmlType.getElementName().getNamespaceURI(); + name = xmlType.getElementName().getLocalPart(); + } + } + } + JSONBadgerfishDataSource ds = new JSONBadgerfishDataSource(json); + OMNamespace namespace = factory.createOMNamespace(ns, ""); + return factory.createOMElement(ds, name, namespace); + } catch (Exception e) { + throw new TransformationException(e); + } + } + + @Override + public int getWeight() { + return 500; + } + + @Override + public String getSourceDataBinding() { + return JSONDataBinding.NAME; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java new file mode 100644 index 0000000000..adc38772be --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java @@ -0,0 +1,57 @@ +/* + * 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.axiom; + +import javax.xml.stream.XMLStreamException; + +import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamReader; +import org.codehaus.jettison.json.JSONException; +import org.codehaus.jettison.json.JSONObject; + +/** + * JSONDataSource keeps the JSON String inside and consumes it when needed. This is to be kept in the + * OMSourcedElementImpl and can be used either to expand the tree or get the JSON String directly without expanding. + * This uses the "Badgerfish" JSON convention. + * + * @version $Rev$ $Date$ + */ + +public class JSONBadgerfishDataSource extends JSONDataSource { + + public JSONBadgerfishDataSource(JSONObject json) { + super(json); + } + + /** + * Gives the StAX reader using the "Badgerfish" formatted input JSON String. + * + * @return The XMLStreamReader according to the JSON String. + * @throws javax.xml.stream.XMLStreamException if there is an error while making the StAX reader. + */ + @Override + public javax.xml.stream.XMLStreamReader getReader() throws XMLStreamException { + try { + return new BadgerFishXMLStreamReader(json); + } catch (JSONException e) { + throw new XMLStreamException(e); + } + + } +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java new file mode 100644 index 0000000000..5b0312056e --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java @@ -0,0 +1,176 @@ +/* + * 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.axiom; + +import java.io.IOException; +import java.io.OutputStream; +import java.io.Writer; +import java.util.HashMap; +import java.util.Map; + +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamReader; + +import org.apache.axiom.om.OMDataSource; +import org.apache.axiom.om.OMException; +import org.apache.axiom.om.OMOutputFormat; +import org.codehaus.jettison.json.JSONObject; +import org.codehaus.jettison.json.JSONTokener; +import org.codehaus.jettison.mapped.MappedXMLInputFactory; + +/** + * JSONDataSource keeps the JSON String inside and consumes it when needed. This is to be kept in the + * OMSourcedElementImpl and can be used either to expand the tree or get the JSON String directly without expanding. + * This uses the "Mapped" JSON convention. + * + * @version $Rev$ $Date$ + */ + +public class JSONDataSource implements OMDataSource { + protected JSONObject json; + + public JSONDataSource(JSONObject json) { + this.json = json; + } + + /** + * Writes JSON into the output stream. As this should write JSON, it directly gets the JSON string and writes it + * without expanding the tree. + * + * @param outputStream the stream to be written into + * @param omOutputFormat format of the message, this is ignored. + * @throws javax.xml.stream.XMLStreamException if there is an error while writing the message in to the output + * stream. + */ + public void serialize(OutputStream outputStream, OMOutputFormat omOutputFormat) + throws javax.xml.stream.XMLStreamException { + try { + String encoding = omOutputFormat == null ? "UTF-8" : omOutputFormat.getCharSetEncoding(); + outputStream.write(getJSONString().getBytes(encoding)); + } catch (IOException e) { + throw new OMException(); + } + } + + /** + * Writes JSON through the writer. As this should write JSON, it directly gets the JSON string and writes it without + * expanding the tree. + * + * @param writer Writer to be written into + * @param omOutputFormat format of the message, this is ignored. + * @throws javax.xml.stream.XMLStreamException if there is an error while writing the message through the writer. + */ + public void serialize(Writer writer, OMOutputFormat omOutputFormat) throws javax.xml.stream.XMLStreamException { + try { + writer.write(getJSONString()); + } catch (IOException e) { + throw new OMException(); + } + } + + /** + * Writes XML through the XMLStreamWriter. As the input data source is JSON, this method needs to get a StAX reader + * from that JSON String. Therefore this uses the getReader() method to get the StAX reader writes the events into + * the XMLStreamWriter. + * + * @param xmlStreamWriter StAX writer to be written into + * @throws javax.xml.stream.XMLStreamException if there is an error while writing the message through the StAX + * writer. + */ + public void serialize(javax.xml.stream.XMLStreamWriter xmlStreamWriter) throws javax.xml.stream.XMLStreamException { + XMLStreamReader reader = getReader(); + xmlStreamWriter.writeStartDocument(); + while (reader.hasNext()) { + int x = reader.next(); + switch (x) { + case XMLStreamConstants.START_ELEMENT: + xmlStreamWriter.writeStartElement(reader.getPrefix(), reader.getLocalName(), reader + .getNamespaceURI()); + int namespaceCount = reader.getNamespaceCount(); + for (int i = namespaceCount - 1; i >= 0; i--) { + xmlStreamWriter.writeNamespace(reader.getNamespacePrefix(i), reader.getNamespaceURI(i)); + } + int attributeCount = reader.getAttributeCount(); + for (int i = 0; i < attributeCount; i++) { + xmlStreamWriter.writeAttribute(reader.getAttributePrefix(i), + reader.getAttributeNamespace(i), + reader.getAttributeLocalName(i), + reader.getAttributeValue(i)); + } + break; + case XMLStreamConstants.START_DOCUMENT: + break; + case XMLStreamConstants.CHARACTERS: + xmlStreamWriter.writeCharacters(reader.getText()); + break; + case XMLStreamConstants.CDATA: + xmlStreamWriter.writeCData(reader.getText()); + break; + case XMLStreamConstants.END_ELEMENT: + xmlStreamWriter.writeEndElement(); + break; + case XMLStreamConstants.END_DOCUMENT: + xmlStreamWriter.writeEndDocument(); + break; + case XMLStreamConstants.SPACE: + break; + case XMLStreamConstants.COMMENT: + xmlStreamWriter.writeComment(reader.getText()); + break; + case XMLStreamConstants.DTD: + xmlStreamWriter.writeDTD(reader.getText()); + break; + case XMLStreamConstants.PROCESSING_INSTRUCTION: + xmlStreamWriter.writeProcessingInstruction(reader.getPITarget(), reader.getPIData()); + break; + case XMLStreamConstants.ENTITY_REFERENCE: + xmlStreamWriter.writeEntityRef(reader.getLocalName()); + break; + default: + throw new OMException(); + } + } + xmlStreamWriter.writeEndDocument(); + } + + /** + * Gives the StAX reader using the "Mapped" formatted input JSON String. + * + * @return The XMLStreamReader according to the JSON String. + * @throws javax.xml.stream.XMLStreamException if there is an error while making the StAX reader. + */ + + public javax.xml.stream.XMLStreamReader getReader() throws javax.xml.stream.XMLStreamException { + + Map<String, String> nsMap = new HashMap<String, String>(); + nsMap.put("", ""); + + // input factory for "Mapped" convention + MappedXMLInputFactory inputFactory = new MappedXMLInputFactory(nsMap); + String jsonString = this.getJSONString(); + return inputFactory.createXMLStreamReader(new JSONTokener(jsonString)); + } + + // returns the json string by consuming the JSON input stream. + protected String getJSONString() { + return json.toString(); + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/InputStream2JSON.java b/sca-java-2.x/branches/2.0/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/sca-java-2.x/branches/2.0/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/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java new file mode 100644 index 0000000000..c1afd85d00 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java @@ -0,0 +1,81 @@ +/* + * 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.type.JavaType; + +/** + * @version $Rev$ $Date$ + */ +public class JSON2Object implements PullTransformer<Object, Object> { + // private ObjectMapper mapper; + + public JSON2Object() { + super(); + } + + public Object transform(Object source, TransformationContext context) { + if (source == null) { + return null; + } + + try { + Class<?> cls = context.getTargetDataType().getPhysical(); + ObjectMapper mapper = JacksonHelper.createObjectMapper(cls); + JavaType javaType = mapper.constructType(context.getTargetDataType().getGenericType()); + if (source instanceof String) { + String sourceString = (String) source; + if(sourceString.isEmpty()) { + return sourceString; + } else { + return mapper.readValue((String)source, javaType); + } + } else if (source instanceof JsonNode) { + return mapper.readValue((JsonNode)source, javaType); + } 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/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2OutputStream.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2OutputStream.java new file mode 100644 index 0000000000..1151d59570 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2OutputStream.java @@ -0,0 +1,94 @@ +/* + * 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 java.io.IOException; +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; +import org.codehaus.jackson.map.ObjectMapper; +import org.json.JSONArray; +import org.json.JSONObject; + +/** + * + */ +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 InputStream) { + try { + InputStream input = (InputStream) source; + byte[] buffer = new byte[4096]; + int n = 0; + while (-1 != (n = input.read(buffer))) { + sink.write(buffer, 0, n); + } + input.close(); + } catch(IOException e) { + throw new TransformationException(e); + } + } else if (source instanceof JsonNode) { + JacksonHelper.write((JsonNode)source, sink); + } else if (source instanceof JsonParser) { + JacksonHelper.write((JsonParser)source, sink); + } else { + if (source instanceof String || source instanceof JSONObject + || source instanceof JSONArray + || source instanceof org.codehaus.jettison.json.JSONObject + || source instanceof org.codehaus.jettison.json.JSONArray) { + try { + sink.write(source.toString().getBytes("UTF-8")); + } catch (Exception e) { + throw new TransformationException(e); + } + } else { + ObjectMapper mapper = JacksonHelper.createObjectMapper(source.getClass()); + try { + mapper.writeValue(sink, source); + } catch (Throwable e) { + throw new TransformationException(e); + } + } + } + } + + public int getWeight() { + return 50; + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java new file mode 100644 index 0000000000..049907786c --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonHelper.java @@ -0,0 +1,233 @@ +/* + * 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 javax.xml.bind.annotation.adapters.XmlAdapter; +import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter; +import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapters; + +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.MappingJsonFactory; +import org.codehaus.jackson.map.ObjectMapper; +import org.codehaus.jackson.map.annotate.JsonSerialize; +import org.codehaus.jackson.map.deser.BeanDeserializerFactory; +import org.codehaus.jackson.map.deser.StdDeserializerProvider; +import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector; +import org.codehaus.jackson.map.module.SimpleDeserializers; +import org.codehaus.jackson.map.ser.CustomSerializerFactory; +import org.codehaus.jackson.map.util.StdDateFormat; +import org.codehaus.jackson.xc.JaxbAnnotationIntrospector; +import org.codehaus.jackson.xc.XmlAdapterJsonDeserializer; +import org.codehaus.jackson.xc.XmlAdapterJsonSerializer; +import org.json.JSONObject; + +import com.fasterxml.jackson.module.jsonorg.JsonOrgModule; + +/** + * + */ +public class JacksonHelper { + public final static ObjectMapper MAPPER = createMapper(); + private final static JsonFactory FACTORY = new MappingJsonFactory(createMapper()); + + public static ObjectMapper createMapper() { + return createObjectMapper(null); + } + + @SuppressWarnings({"rawtypes", "unchecked"}) + public static ObjectMapper createObjectMapper(Class<?> cls) { + ObjectMapper mapper = null; + if (cls != null) { + // Workaround for http://jira.codehaus.org/browse/JACKSON-413 + Package pkg = cls.getPackage(); + if (pkg != null) { + XmlJavaTypeAdapters adapters = pkg.getAnnotation(XmlJavaTypeAdapters.class); + if (adapters != null) { + CustomSerializerFactory serializerFactory = new CustomSerializerFactory(); + BeanDeserializerFactory deserializerFactory = new BeanDeserializerFactory(null); + for (XmlJavaTypeAdapter a : adapters.value()) { + XmlAdapter xmlAdapter = null; + try { + xmlAdapter = a.value().newInstance(); + } catch (Throwable e) { + // Ignore + } + if (xmlAdapter != null) { + XmlAdapterJsonDeserializer deserializer = new XmlAdapterJsonDeserializer(xmlAdapter); + XmlAdapterJsonSerializer serializer = new XmlAdapterJsonSerializer(xmlAdapter); + SimpleDeserializers deserializers = new SimpleDeserializers(); + deserializers.addDeserializer(a.type(), deserializer); + deserializerFactory.withAdditionalDeserializers(deserializers); + serializerFactory.addGenericMapping(a.type(), serializer); + StdDeserializerProvider deserializerProvider = + new StdDeserializerProvider(deserializerFactory); + mapper = new ObjectMapper(); + mapper.registerModule(new JsonOrgModule()); + + mapper.setSerializerFactory(serializerFactory); + mapper.setDeserializerProvider(deserializerProvider); + } + } + } + } + } + if ( cls != null && mapper == null ) { + return MAPPER; + } + if (mapper == null) { + mapper = new ObjectMapper(); + mapper.registerModule(new JsonOrgModule()); + } + // Let's honor the Jackson annotations first + AnnotationIntrospector primary = new JacksonAnnotationIntrospector(); + AnnotationIntrospector secondary = new JaxbAnnotationIntrospector(); + AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary); + mapper.setDeserializationConfig(mapper.getDeserializationConfig().withAnnotationIntrospector(pair) + .without(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES) + .withDateFormat(StdDateFormat.getBlueprintISO8601Format())); + mapper.setSerializationConfig(mapper.getSerializationConfig().withAnnotationIntrospector(pair) + .withSerializationInclusion(JsonSerialize.Inclusion.NON_NULL) + .withDateFormat(StdDateFormat.getBlueprintISO8601Format())); + return mapper; + } + + public static JsonFactory getJsonFactory() { + return FACTORY; + } + + public static String toString(JsonNode node) { + try { + return MAPPER.writeValueAsString(node); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static String toString(JsonParser parser) { + try { + JsonFactory jsonFactory = getJsonFactory(); + 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 = getJsonFactory(); + try { + return jsonFactory.createJsonParser(content); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static JsonParser createJsonParser(InputStream content) { + JsonFactory jsonFactory = getJsonFactory(); + try { + return jsonFactory.createJsonParser(content); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static JsonParser createJsonParser(Reader content) { + JsonFactory jsonFactory = getJsonFactory(); + try { + return jsonFactory.createJsonParser(content); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static void write(JsonNode node, OutputStream out) { + try { + JsonFactory jsonFactory = getJsonFactory(); + 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 = getJsonFactory(); + JsonGenerator generator = jsonFactory.createJsonGenerator(out, JsonEncoding.UTF8); + JsonNode node = parser.readValueAs(JsonNode.class); + generator.writeTree(node); + } catch (IOException e) { + throw new IllegalArgumentException(e); + } + } + + public static JSONObject read(InputStream is) throws IOException { + try { + return MAPPER.readValue(is, JSONObject.class); + } catch (Exception e) { + throw new IOException(e); + } + } + + /** + * Read from String into a org.json.JSONObject + * @param json + * @return + */ + public static JSONObject read(String json) { + try { + return MAPPER.readValue(json, JSONObject.class); + } catch (Exception e) { + throw new IllegalArgumentException(e); + } + } + + public static void write(JSONObject json, OutputStream out) throws IOException { + try { + MAPPER.writeValue(out, json); + } catch (Exception e) { + throw new IOException(e); + } + } + + public static String write(JSONObject json) throws IOException { + try { + return MAPPER.writeValueAsString(json); + } catch (Exception e) { + throw new IOException(e); + } + } + +} diff --git a/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java new file mode 100644 index 0000000000..2b77054934 --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java @@ -0,0 +1,88 @@ +/* + * 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> { + + public Object2JSON() { + super(); + } + + 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; + } + ObjectMapper mapper = JacksonHelper.createObjectMapper(targetType); + String value = mapper.writeValueAsString(source); + if (JsonNode.class.isAssignableFrom(targetType)) { + return JacksonHelper.createJsonParser(value).readValueAsTree(); + } else if (targetType == String.class || targetType == Object.class || targetType.isPrimitive()) { + return value; + } else if (targetType == BigDecimal.class) { + return value.toString(); + } else 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; + } +} |