diff options
Diffstat (limited to '')
-rw-r--r-- | branches/sca-java-1.5/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/branches/sca-java-1.5/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.java b/branches/sca-java-1.5/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.java new file mode 100644 index 0000000000..a5093f8cdf --- /dev/null +++ b/branches/sca-java-1.5/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.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.saxon; + +import java.io.IOException; + +import javax.xml.transform.dom.DOMSource; + +import net.sf.saxon.om.NodeInfo; + +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.w3c.dom.Document; + +import commonj.sdo.DataObject; +import commonj.sdo.helper.XMLHelper; + +/** + * Transforms NodeInfo objects to SDO DataObjects. + * + * Before constructing the data object, resulting XML is populated + * with correct namespaces (which are taken from the logical target data type) + * These namespaces are crucial for constructing the right instance of + * the DataObject (i.e. if there is a SDO factory, an instance from this factory will + * be used, not the generic any data object) + * + * @version $Rev$ $Date$ + */ +public class NodeInfo2DataObjectTransformer extends BaseTransformer<NodeInfo, DataObject> implements + PullTransformer<NodeInfo, DataObject> { + + private NodeInfo2NodeTransformer nodeInfo2NodeTransformer; + + public NodeInfo2DataObjectTransformer(NodeInfo2NodeTransformer nodeInfo2NodeTransformer) { + this.nodeInfo2NodeTransformer = nodeInfo2NodeTransformer; + } + + public NodeInfo2DataObjectTransformer() { + this.nodeInfo2NodeTransformer = new NodeInfo2NodeTransformer(); + } + + @Override + protected Class<NodeInfo> getSourceType() { + return NodeInfo.class; + } + + @Override + protected Class<DataObject> getTargetType() { + return DataObject.class; + } + + @Override + public int getWeight() { + return 30 + nodeInfo2NodeTransformer.getWeight(); + } + + public DataObject transform(NodeInfo source, TransformationContext context) { + Document doc = (Document)nodeInfo2NodeTransformer.transform(source, context); + + return produceResult(doc); + } + + private DataObject produceResult(Document doc) { + try { + // FIXME: [rfeng] We should use the HelperContext from the context + DataObject resultingObject = + XMLHelper.INSTANCE.load(new DOMSource(doc), doc.getDocumentURI(), null).getRootObject(); + return resultingObject; + } catch (IOException e) { + throw new TransformationException(e); + } + } +} |