diff options
Diffstat (limited to 'branches/sca-java-0.99/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java')
-rw-r--r-- | branches/sca-java-0.99/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/branches/sca-java-0.99/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java b/branches/sca-java-0.99/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java new file mode 100644 index 0000000000..eac40c9b99 --- /dev/null +++ b/branches/sca-java-0.99/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java @@ -0,0 +1,95 @@ +/* + * 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 net.sf.saxon.Configuration; + +import org.w3c.dom.Attr; +import org.w3c.dom.CharacterData; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NamedNodeMap; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; +import org.w3c.dom.ProcessingInstruction; + +/** + * Provides helper functionality for saxon data bindings + * @version $Rev$ $Date$ + */ +public class SaxonDataBindingHelper { + /** + * This variable is meaningfull only in the context of XQoery expression + * execution. It is used by the DataObject2NodeInfoTransformer and + * Node2NodeInfoTransformer to create the correct NodeInfo objects + * in the Output2Output transformations. + * For Input2Input transformations it is meaningless: + * - if it is null - it is ignored by the transformers as they create new + * configuration objects + * - if it is not null - it is reused + * However the XQueryInvoker transforms all NodeInfo-s to NodeInfo-s with + * its current configuration, so there is no effect for Input2Input transformations + */ + public static Configuration CURR_EXECUTING_CONFIG = null; + + /** + * Converts a given document to a document with specific namespace and prefix + */ + public static void setNamespacesAndPrefixesReq(Node node, Node copyNode, Document copyOwnerDocument, String namespace, String prefix) { + NodeList childNodes = node.getChildNodes(); + for(int i=0; i<childNodes.getLength(); i++) { + Node childNode = childNodes.item(i); + Node clonning = null; + if(childNode.getNodeType() == Node.ELEMENT_NODE || childNode.getNodeType() == Node.ATTRIBUTE_NODE) { + if(childNode.getNodeType() == Node.ELEMENT_NODE) { + clonning = copyOwnerDocument.createElementNS(namespace, childNode.getLocalName()); + NamedNodeMap attributes = ((Element)childNode).getAttributes(); + for(int j=0; j<attributes.getLength(); j++) { + Attr attribute = (Attr)attributes.item(j); + Attr cloneAttribute = copyOwnerDocument.createAttributeNS(namespace, attribute.getLocalName()); + cloneAttribute.setValue(attribute.getValue()); + ((Element)clonning).setAttributeNode(cloneAttribute); + cloneAttribute.setPrefix(prefix); + } + } else { + clonning = copyOwnerDocument.createAttributeNS(namespace, childNode.getLocalName()); + } + //clonning.setTextContent(childNode.getTextContent()); + clonning.setNodeValue(childNode.getNodeValue()); + clonning.setPrefix(prefix); + } else if(!(copyNode instanceof Document)) { + if(childNode.getNodeType() == Node.CDATA_SECTION_NODE) { + clonning = copyOwnerDocument.createCDATASection(((CharacterData)childNode).getData()); + } else if(childNode.getNodeType() == Node.COMMENT_NODE) { + clonning = copyOwnerDocument.createComment(((CharacterData)childNode).getData()); + } else if(childNode.getNodeType() == Node.TEXT_NODE) { + clonning = copyOwnerDocument.createTextNode(((CharacterData)childNode).getData()); + } else if(childNode.getNodeType() == Node.ENTITY_REFERENCE_NODE) { + clonning = copyOwnerDocument.createEntityReference(childNode.getNodeName()); + } else if(childNode.getNodeType() == Node.PROCESSING_INSTRUCTION_NODE) { + clonning = copyOwnerDocument.createProcessingInstruction(((ProcessingInstruction)childNode).getTarget(), ((ProcessingInstruction)childNode).getData()); + } + } + if(clonning!=null) { + copyNode.appendChild(clonning); + } + setNamespacesAndPrefixesReq(childNode, clonning, copyOwnerDocument, namespace, prefix); + } + } +} |