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  /*
   * Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
   * 
   * Licensed 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 freemarker.ext.xml;
 
 import java.util.List;
 
 import  org.dom4j.Attribute;
 import  org.dom4j.Branch;
 import  org.dom4j.Document;
 import  org.dom4j.DocumentType;
 import  org.dom4j.Element;
 import  org.dom4j.Node;
 import  org.dom4j.ProcessingInstruction;
 import  org.dom4j.tree.DefaultAttribute;
 import  org.jaxen.Context;
 import  org.jaxen.NamespaceContext;
 import  org.jaxen.dom4j.Dom4jXPath;
 
Don't use this class; it's only public to work around Google App Engine Java compliance issues. FreeMarker developers only: treat this class as package-visible.
 
 public class _Dom4jNavigator extends Navigator {
 
     public _Dom4jNavigator() {
     } 
 
     void getAsString(Object nodeStringWriter sw) {
         sw.getBuffer().append(((Node)node).asXML());
     }
 
     void getChildren(Object nodeString localNameString namespaceUriList result) {
         if(node instanceof Element) {
             Element e = (Element)node;
             if(localName == null) {
                 result.addAll(e.elements());
             }
             else {
                 result.addAll(e.elements(e.getQName().getDocumentFactory().createQName(localName""namespaceUri)));
             }
         }
         else if(node instanceof Document) {
             Element root = ((Document)node).getRootElement();
             if(localName == null || (equal(root.getName(), localName) && equal(root.getNamespaceURI(), namespaceUri))) {
                 result.add(root);
             }
         }
     }
     
     void getAttributes(Object nodeString localNameString namespaceUriList result) {
         if(node instanceof Element) {
             Element e = (Element)node;
             if(localName == null) {
                 result.addAll(e.attributes());
             }
             else {
                 Attribute attr = e.attribute(e.getQName().getDocumentFactory().createQName(localName""namespaceUri)); 
                 if(attr != null) {
                     result.add(attr);
                 }
             }
         }
         else if (node instanceof ProcessingInstruction) {
             ProcessingInstruction pi = (ProcessingInstruction)node;
             if ("target".equals(localName)) {
                 result.add(new DefaultAttribute("target"pi.getTarget()));
             }
             else if ("data".equals(localName)) {
                 result.add(new DefaultAttribute("data"pi.getText()));
             }
             else {
                 result.add(new DefaultAttribute(localNamepi.getValue(localName)));
             }
         } else if (node instanceof DocumentType) {
             DocumentType doctype = (DocumentType)node;
             if ("publicId".equals(localName)) {
                 result.add(new DefaultAttribute("publicId"doctype.getPublicID()));
             }
             else if ("systemId".equals(localName)) {
                 result.add(new DefaultAttribute("systemId"doctype.getSystemID()));
             }
            else if ("elementName".equals(localName)) {
                result.add(new DefaultAttribute("elementName"doctype.getElementName()));
            }
        } 
    }
    void getDescendants(Object nodeList result) {
        if(node instanceof Branch) {
            getDescendants((Branch)noderesult);
        }
    }
    
    private void getDescendants(Branch nodeList result) {
        List content = node.content();
        for (Iterator iter = content.iterator(); iter.hasNext();) {
            Node subnode = (Node) iter.next();
            if(subnode instanceof Element) {
                result.add(subnode);
                getDescendants(subnoderesult);
            }
        }
    }
    Object getParent(Object node) {
        return ((Node)node).getParent();
    }
    Object getDocument(Object node) {
        return ((Node)node).getDocument();
    }
    Object getDocumentType(Object node) {
        return 
            node instanceof Document 
            ? ((Document)node).getDocType()
            : null
    }
    
    void getContent(Object nodeList result) {
        if(node instanceof Branch) {
            result.addAll(((Branch)node).content());
        }
    }
    String getText(Object node) {
        return ((Node)node).getText();
    }
    String getLocalName(Object node) {
        return ((Node)node).getName();
    }
        if(node instanceof Element) {
            return ((Element)node).getNamespacePrefix();
        }
        if(node instanceof Attribute) {
            return ((Attribute)node).getNamespacePrefix();
        }
        return null;
    }
    String getNamespaceUri(Object node) {
        if(node instanceof Element) {
            return ((Element)node).getNamespaceURI();
        }
        if(node instanceof Attribute) {
            return ((Attribute)node).getNamespaceURI();
        }
        return null;
    }
    String getType(Object node) {
        switch(((Node)node).getNodeType()) {
            case Node.ATTRIBUTE_NODE: {
                return "attribute";
            }
            case Node.CDATA_SECTION_NODE: {
                return "cdata";
            }
            case Node.COMMENT_NODE: {
                return "comment";
            }
            case Node.DOCUMENT_NODE: {
                return "document";
            }
            case Node.DOCUMENT_TYPE_NODE: {
                return "documentType";
            }
            case Node.ELEMENT_NODE: {
                return "element";
            }
            case Node.ENTITY_REFERENCE_NODE: {
                return "entityReference";
            }
            case Node.NAMESPACE_NODE: {
                return "namespace";
            }
            case Node.PROCESSING_INSTRUCTION_NODE: {
                return "processingInstruction";
            }
            case Node.TEXT_NODE: {
                return "text";
            }
        }
        return "unknown";
    }
    XPathEx createXPathEx(String xpathStringthrows TemplateModelException
    {
        try {
            return new Dom4jXPathEx(xpathString);
        }
        catch(Exception e) {
            throw new TemplateModelException(e);
        }
    }
    private static final class Dom4jXPathEx
    extends
        Dom4jXPath
    implements
        XPathEx
    {
        Dom4jXPathEx(String path)
        throws 
            Exception
        {
            super(path);
        }
        public List selectNodes(Object object, NamespaceContext namespaces)
        throws
            TemplateModelException
        {
            Context context = getContext(object);
            context.getContextSupport().setNamespaceContext(namespaces);
            try {
                return selectNodesForContext(context);
            }
            catch(Exception e) {
                throw new TemplateModelException(e);
            }
        } 
    }
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