diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:26:33 +0000 |
commit | a40e527938d76ba71f211da7e327adb50384ba69 (patch) | |
tree | cb8f99f1727122b040a3f0fbb6649292b6a74302 /sca-java-1.x/tags/1.5-RC0/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/XObject2OMElement.java | |
parent | 968721109881107520d7aefa91d7fcc0519d7739 (diff) |
Moving 1.x tags
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/tags/1.5-RC0/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/XObject2OMElement.java')
-rw-r--r-- | sca-java-1.x/tags/1.5-RC0/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/XObject2OMElement.java | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5-RC0/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/XObject2OMElement.java b/sca-java-1.x/tags/1.5-RC0/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/XObject2OMElement.java new file mode 100644 index 0000000000..ff4305491a --- /dev/null +++ b/sca-java-1.x/tags/1.5-RC0/modules/databinding-xstream/src/main/java/org/apache/tuscany/sca/databinding/xstream/XObject2OMElement.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.xstream; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; + +import javax.xml.namespace.QName; + +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.axiom.om.impl.builder.StAXOMBuilder; +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.interfacedef.DataType; +import org.apache.tuscany.sca.interfacedef.util.XMLType; + +import com.thoughtworks.xstream.XStream; + +/** + * XObject --> AXIOM OMElement transformer + * + * @version $Rev$ $Date$ + */ +public class XObject2OMElement extends BaseTransformer<XObject, OMElement> implements + PullTransformer<XObject, OMElement> { + + public OMElement transform(XObject source, TransformationContext context) { + MetaObject mj = new MetaObjectImpl(source); + OMElement element = null; + ByteArrayOutputStream out = new ByteArrayOutputStream(); + XStream xs = new XStream(); + xs.alias("xobject", mj.getClass()); + xs.toXML(mj, out); + /* TODO: Maybe a base64 conversion...? or not? + * ie. new ByteArrayInputStream(Utils.toBase64(out.toByteArray()).getBytes()) + */ + try { + // what's better this one: + StAXOMBuilder builder = new StAXOMBuilder(new ByteArrayInputStream(out.toByteArray())); + // or this one: + // StaAXOMBuilder builder = new StAXOMBuilder(new ByteArrayInputStream(Utils.toBase64(out.toByteArray()).getBytes())) + element = builder.getDocumentElement(); + adjustElementName(context, element); + } catch (Exception e) { + throw new TransformationException(e); + } + return element; + + } + + private static void adjustElementName(TransformationContext context, OMElement element) { + if (context != null) { + DataType dataType = context.getTargetDataType(); + Object logical = dataType == null ? null : dataType.getLogical(); + if (!(logical instanceof XMLType)) { + return; + } + XMLType xmlType = (XMLType)logical; + if (xmlType.isElement() && !xmlType.getElementName().equals(element.getQName())) { + // FIXME:: Throw exception or switch to the new Element? + OMFactory factory = OMAbstractFactory.getOMFactory(); + QName name = xmlType.getElementName(); + OMNamespace namespace = factory.createOMNamespace(name.getNamespaceURI(), name.getPrefix()); + element.setNamespace(namespace); + element.setLocalName(name.getLocalPart()); + } + } + } + + @Override + public Class<XObject> getSourceType() { + return XObject.class; + } + + @Override + public Class<OMElement> getTargetType() { + return OMElement.class; + } + + @Override + public int getWeight() { + return 10; + } + +} |