content: /*
   * Copyright 2014 Jacob Klinker
   *
   * 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 com.android.mms.dom.smil.parser;
  
  import org.w3c.dom.Element;
  import org.w3c.dom.Node;
  import org.w3c.dom.smil.SMILDocument;
  import org.xml.sax.Attributes;
  import org.xml.sax.helpers.DefaultHandler;
  
  import com.klinker.android.logger.Log;
  
  import com.android.mms.logs.LogTag;
  import com.android.mms.dom.smil.SmilDocumentImpl;
  
  public class SmilContentHandler extends DefaultHandler {
      private static final String TAG = LogTag.TAG;
      private static final boolean DEBUG = false;
      private static final boolean LOCAL_LOGV = false;
  
      private SMILDocument mSmilDocument;
      private Node mCurrentNode;
  
      /**
       * Resets this handler.
       *
       */
      public void reset() {
          mSmilDocument = new SmilDocumentImpl();
          mCurrentNode = mSmilDocument;
      }
  
      /**
       * Returns the SMILDocument.
       * @return The SMILDocument instance
       */
      public SMILDocument getSmilDocument() {
          return mSmilDocument;
      }
  
      @Override
      public void startElement(String uri, String localName, String qName, Attributes attributes) {
          if (LOCAL_LOGV) {
              Log.v(TAG, "SmilContentHandler.startElement. Creating element " + localName);
          }
          Element element = mSmilDocument.createElement(localName);
          if (attributes != null) {
              for (int i = 0; i < attributes.getLength(); i++) {
                  if (LOCAL_LOGV) {
                      Log.v(TAG, "Attribute " + i +
                          " lname = " + attributes.getLocalName(i) +
                          " value = " + attributes.getValue(i));
                  }
                  element.setAttribute(attributes.getLocalName(i),
                          attributes.getValue(i));
              }
          }
          if (LOCAL_LOGV) {
              Log.v(TAG, "Appending " + localName + " to " + mCurrentNode.getNodeName());
          }
          mCurrentNode.appendChild(element);
  
          mCurrentNode = element;
      }
  
      @Override
      public void endElement(String uri, String localName, String qName) {
          if (LOCAL_LOGV) {
              Log.v(TAG, "SmilContentHandler.endElement. localName " + localName);
          }
          mCurrentNode = mCurrentNode.getParentNode();
      }
  
      @Override
      public void characters(char[] ch, int start, int length) {
          if (LOCAL_LOGV) {
              Log.v(TAG, "SmilContentHandler.characters. ch = " + new String(ch, start, length));
          }
      }
  }
  