diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca')
12 files changed, 1053 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2JavaBean.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2JavaBean.java new file mode 100644 index 0000000000..b1813c9eab --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2JavaBean.java @@ -0,0 +1,73 @@ +/* + * 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.javabeans.JavaBeansDataBinding; + +import com.metaparadigm.jsonrpc.JSONSerializer; +import com.metaparadigm.jsonrpc.SerializerState; + +/** + * @version $Rev$ $Date$ + */ +public class JSON2JavaBean implements PullTransformer<Object, Object> { + private JSONSerializer serializer; + + public JSON2JavaBean() { + super(); + serializer = new JSONSerializer(); + try { + serializer.registerDefaultSerializers(); + } catch (Exception e) { + throw new TransformationException(e); + } + serializer.setMarshallClassHints(true); + serializer.setMarshallNullAttributes(true); + } + + public Object transform(Object source, TransformationContext context) { + if (source == null) { + return null; + } + + try { + SerializerState state = new SerializerState(); + return serializer.unmarshall(state, context.getTargetDataType().getPhysical(), source); + } 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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java new file mode 100644 index 0000000000..4e08384f09 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/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.impl.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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.java new file mode 100644 index 0000000000..b70f772696 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/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.impl.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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java new file mode 100644 index 0000000000..28cadc6666 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java @@ -0,0 +1,74 @@ +/* + * 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.impl.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 dataType, Operation operation) { + 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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java new file mode 100644 index 0000000000..fb29710506 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java @@ -0,0 +1,91 @@ +/* + * 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.text.ParseException; + +import org.codehaus.jettison.json.JSONException; +import org.codehaus.jettison.json.JSONObject; + +/** + * @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) { + try { + json = new JSONObject(((org.json.JSONObject)source).toString()); + } catch (JSONException e) { + throw new IllegalArgumentException(e); + } + } + return json; + } + + /** + * 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 (ParseException e) { + throw new IllegalArgumentException(e); + } + } else if (source instanceof org.json.JSONObject) { + json = (org.json.JSONObject)source; + } + return json; + } + + public static <T> T toJSON(String json, Class<T> type) { + if (type == JSONObject.class) { + try { + return type.cast(new JSONObject(json)); + } catch (JSONException e) { + throw new IllegalArgumentException(e); + } + } else { + if (type == null) { + type = (Class<T>)org.json.JSONObject.class; + } + try { + return type.cast(new org.json.JSONObject(json)); + } catch (ParseException e) { + throw new IllegalArgumentException(e); + } + } + } +} diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSON.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSON.java new file mode 100644 index 0000000000..a928deef22 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSON.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; + +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.impl.BaseTransformer; +import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding; + +import com.metaparadigm.jsonrpc.JSONSerializer; +import com.metaparadigm.jsonrpc.SerializerState; + +public class JavaBean2JSON extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> { + private JSONSerializer serializer; + + public JavaBean2JSON() { + serializer = new JSONSerializer(); + try { + serializer.registerDefaultSerializers(); + } catch (Exception e) { + throw new TransformationException(e); + } + serializer.setMarshallClassHints(true); + serializer.setMarshallNullAttributes(true); + } + + @Override + public String getSourceDataBinding() { + return JavaBeansDataBinding.NAME; + } + + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + @Override + public String getTargetDataBinding() { + return JSONDataBinding.NAME; + } + + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + public Object toJSON(Object source) throws Exception { + if (source == null) { + return org.json.JSONObject.NULL; + } + + SerializerState state = new SerializerState(); + return serializer.marshall(state, source); + } + + public Object transform(Object source, TransformationContext context) { + try { + return toJSON(source); + } catch (Exception e) { + throw new TransformationException(e); + } + } + +} diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java new file mode 100644 index 0000000000..de023157bc --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java @@ -0,0 +1,139 @@ +/* + * 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.beans.BeanInfo; +import java.beans.Introspector; +import java.beans.PropertyDescriptor; +import java.lang.reflect.Array; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.Comparator; + +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.impl.BaseTransformer; +import org.apache.tuscany.sca.databinding.impl.SimpleTypeMapperImpl; +import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding; +import org.apache.tuscany.sca.interfacedef.util.TypeInfo; +import org.codehaus.jettison.json.JSONArray; +import org.codehaus.jettison.json.JSONObject; + +public class JavaBean2JSONObject extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> { + private static final Comparator<PropertyDescriptor> COMPARATOR = new Comparator<PropertyDescriptor>() { + public int compare(PropertyDescriptor o1, PropertyDescriptor o2) { + return o1.getName().compareTo(o2.getName()); + } + }; + + private static final SimpleTypeMapperImpl MAPPER = new SimpleTypeMapperImpl(); + private static final Object[] NULL = null; + + private static String getStringValue(Object o) { + if (o == null) { + return null; + } + TypeInfo info = SimpleTypeMapperImpl.getXMLType(o.getClass()); + if (info != null) { + return MAPPER.toXMLLiteral(info.getQName(), o, null); + } else { + return String.valueOf(o); + } + } + + private static boolean isSimpleType(Class<?> javaType) { + return SimpleTypeMapperImpl.getXMLType(javaType) != null; + } + + public JavaBean2JSONObject() { + } + + @Override + public String getSourceDataBinding() { + return JavaBeansDataBinding.NAME; + } + + @Override + protected Class<Object> getSourceType() { + return Object.class; + } + + @Override + public String getTargetDataBinding() { + return JSONDataBinding.NAME; + } + + @Override + protected Class<Object> getTargetType() { + return Object.class; + } + + public Object toJSON(Object source) throws Exception { + if (source == null) { + return JSONObject.NULL; + } + Class<?> type = source.getClass(); + if (isSimpleType(type)) { + return source; + } else if (type.isArray()) { + JSONArray array = new JSONArray(); + int i1 = Array.getLength(source); + for (int j = 0; j < i1; j++) { + Object o = Array.get(source, j); + array.put(toJSON(o)); + } + return array; + } else if (Collection.class.isAssignableFrom(type)) { + Collection c = (Collection)source; + JSONArray array = new JSONArray(); + for (Object element : c) { + array.put(toJSON(element)); + } + return array; + } + JSONObject json = new JSONObject(); + BeanInfo beanInfo = Introspector.getBeanInfo(type); + PropertyDescriptor[] propDescs = beanInfo.getPropertyDescriptors(); + Collections.sort(Arrays.asList(propDescs), COMPARATOR); + + for (int i = 0; i < propDescs.length; i++) { + PropertyDescriptor propDesc = propDescs[i]; + Class<?> pType = propDesc.getPropertyType(); + if ("class".equals(propDesc.getName())) { + continue; + } + Object pValue = propDesc.getReadMethod().invoke(source, NULL); + json.put(propDesc.getName(), toJSON(pValue)); + } + return json; + + } + + public Object transform(Object source, TransformationContext context) { + try { + return toJSON(source); + } catch (Exception e) { + throw new TransformationException(e); + } + } + +} diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java new file mode 100644 index 0000000000..ff5968bccd --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/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.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.impl.BaseTransformer; + +/** + * @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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java new file mode 100644 index 0000000000..aa75afc9d4 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java @@ -0,0 +1,77 @@ +/* + * 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.databinding.PullTransformer; +import org.apache.tuscany.sca.databinding.TransformationContext; +import org.apache.tuscany.sca.databinding.TransformationException; +import org.apache.tuscany.sca.databinding.impl.BaseTransformer; +import org.apache.tuscany.sca.databinding.xml.XMLStreamSerializer; +import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamWriter; + +/** + * @version $Rev$ $Date$ + */ +public class XMLStreamReader2JSON extends BaseTransformer<XMLStreamReader, Object> implements + PullTransformer<XMLStreamReader, Object> { + + @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); + XMLStreamSerializer serializer = new XMLStreamSerializer(); + serializer.serialize(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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java new file mode 100644 index 0000000000..1072b70029 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/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.impl.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.osoa.sca.annotations.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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/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-1.x/tags/1.6.1-TUSCANY-3909/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-1.x/tags/1.6.1-TUSCANY-3909/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/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-1.x/tags/1.6.1-TUSCANY-3909/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(); + } + +} |