content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 2001-2004 The Apache Software Foundation.
   *
   * 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 jaxp.sun.org.apache.xerces.internal.impl.xs;
  
  import java.io.IOException;
  import java.io.StringReader;
  
  import jaxp.sun.org.apache.xerces.internal.dom.CoreDocumentImpl;
  import jaxp.sun.org.apache.xerces.internal.parsers.DOMParser;
  import jaxp.sun.org.apache.xerces.internal.parsers.SAXParser;
  import jaxp.sun.org.apache.xerces.internal.xs.XSAnnotation;
  import jaxp.sun.org.apache.xerces.internal.xs.XSConstants;
  import jaxp.sun.org.apache.xerces.internal.xs.XSNamespaceItem;
  
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  import org.w3c.dom.Node;
  import org.xml.sax.ContentHandler;
  import org.xml.sax.InputSource;
  import org.xml.sax.SAXException;
  
  /**
   * This is an implementation of the XSAnnotation schema component.
   *
   * @xerces.internal
   */
  public class XSAnnotationImpl implements XSAnnotation {
  
      // Data
  
      // the content of the annotation node, including all children, along
      // with any non-schema attributes from its parent
      private String fData = null;
  
      // the grammar which owns this annotation; we get parsers
      // from here when we need them
      private SchemaGrammar fGrammar = null;
  
      // constructors
      public XSAnnotationImpl(String contents, SchemaGrammar grammar) {
          fData = contents;
          fGrammar = grammar;
      }
  
      /**
       *  Write contents of the annotation to the specified DOM object. If the
       * specified <code>target</code> object is a DOM in-scope namespace
       * declarations for <code>annotation</code> element are added as
       * attributes nodes of the serialized <code>annotation</code>, otherwise
       * the corresponding events for all in-scope namespace declaration are
       * sent via specified document handler.
       * @param target  A target pointer to the annotation target object, i.e.
       *   <code>org.w3c.dom.Document</code>,
       *   <code>org.xml.sax.ContentHandler</code>.
       * @param targetType  A target type.
       * @return If the <code>target</code> is recognized type and supported by
       *   this implementation return true, otherwise return false.
       */
      public boolean writeAnnotation(Object target,
                                     short targetType) {
          if(targetType == XSAnnotation.W3C_DOM_ELEMENT || targetType == XSAnnotation.W3C_DOM_DOCUMENT) {
              writeToDOM((Node)target, targetType);
              return true;
          } else if (targetType == SAX_CONTENTHANDLER) {
              writeToSAX((ContentHandler)target);
              return true;
          }
          return false;
      }
  
      /**
       * A text representation of annotation.
       */
      public String getAnnotationString() {
          return fData;
      }
  
      // XSObject methods
  
      /**
       *  The <code>type</code> of this object, i.e.
       * <code>ELEMENT_DECLARATION</code>.
       */
      public short getType() {
          return XSConstants.ANNOTATION;
      }
  
      /**
       * The name of type <code>NCName</code> of this declaration as defined in
       * XML Namespaces.
       */
      public String getName() {
          return null;
      }
  
      /**
       *  The [target namespace] of this object, or <code>null</code> if it is
       * unspecified.
       */
      public String getNamespace() {
          return null;
      }
  
      /**
       * A namespace schema information item corresponding to the target
       * namespace of the component, if it's globally declared; or null
       * otherwise.
       */
      public XSNamespaceItem getNamespaceItem() {
          return null;
      }
  
      // private methods
      private synchronized void writeToSAX(ContentHandler handler) {
          // nothing must go wrong with this parse...
          SAXParser parser = fGrammar.getSAXParser();
          StringReader aReader = new StringReader(fData);
          InputSource aSource = new InputSource(aReader);
          parser.setContentHandler(handler);
          try {
              parser.parse(aSource);
          }
          catch (SAXException e) {
              // this should never happen!
              // REVISIT:  what to do with this?; should really not
              // eat it...
          }
          catch (IOException i) {
              // ditto with above
          }
          // Release the reference to the user's ContentHandler.
          parser.setContentHandler(null);
      }
  
      // this creates the new Annotation element as the first child
      // of the Node
      private synchronized void writeToDOM(Node target, short type) {
          Document futureOwner = (type == XSAnnotation.W3C_DOM_ELEMENT) ?
                  target.getOwnerDocument() : (Document)target;
          DOMParser parser = fGrammar.getDOMParser();
          StringReader aReader = new StringReader(fData);
          InputSource aSource = new InputSource(aReader);
          try {
              parser.parse(aSource);
          }
          catch (SAXException e) {
              // this should never happen!
              // REVISIT:  what to do with this?; should really not
              // eat it...
          }
          catch (IOException i) {
              // ditto with above
          }
          Document aDocument = parser.getDocument();
          parser.dropDocumentReferences();
          Element annotation = aDocument.getDocumentElement();
          Node newElem = null;
          if (futureOwner instanceof CoreDocumentImpl) {
              newElem = futureOwner.adoptNode(annotation);
              // adoptNode will return null when the DOM implementations are not compatible.
              if (newElem == null) {
                  newElem = futureOwner.importNode(annotation, true);
              }
          }
          else {
              newElem = futureOwner.importNode(annotation, true);
          }
          target.insertBefore(newElem, target.getFirstChild());
      }
  
  }
  