1 /* 2 * Copyright (C) 2007-2008 Esmertec AG. 3 * Copyright (C) 2007-2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.mms.dom.smil.parser; 19 20 import android.util.Log; 21 22 import org.xml.sax.Attributes; 23 import org.xml.sax.helpers.DefaultHandler; 24 import org.w3c.dom.smil.SMILDocument; 25 import org.w3c.dom.Element; 26 import org.w3c.dom.Node; 27 28 import com.android.mms.dom.smil.SmilDocumentImpl; 29 30 public class SmilContentHandler extends DefaultHandler { 31 private static final String TAG = "SmilContentHandler"; 32 private static final boolean DEBUG = false; 33 private static final boolean LOCAL_LOGV = false; 34 35 private SMILDocument mSmilDocument; 36 private Node mCurrentNode; 37 38 /** 39 * Resets this handler. 40 * 41 */ reset()42 public void reset() { 43 mSmilDocument = new SmilDocumentImpl(); 44 mCurrentNode = mSmilDocument; 45 } 46 47 /** 48 * Returns the SMILDocument. 49 * @return The SMILDocument instance 50 */ getSmilDocument()51 public SMILDocument getSmilDocument() { 52 return mSmilDocument; 53 } 54 55 @Override startElement(String uri, String localName, String qName, Attributes attributes)56 public void startElement(String uri, String localName, String qName, Attributes attributes) { 57 if (LOCAL_LOGV) { 58 Log.v(TAG, "SmilContentHandler.startElement. Creating element " + localName); 59 } 60 Element element = mSmilDocument.createElement(localName); 61 if (attributes != null) { 62 for (int i = 0; i < attributes.getLength(); i++) { 63 if (LOCAL_LOGV) { 64 Log.v(TAG, "Attribute " + i + 65 " lname = " + attributes.getLocalName(i) + 66 " value = " + attributes.getValue(i)); 67 } 68 element.setAttribute(attributes.getLocalName(i), 69 attributes.getValue(i)); 70 } 71 } 72 if (LOCAL_LOGV) { 73 Log.v(TAG, "Appending " + localName + " to " + mCurrentNode.getNodeName()); 74 } 75 mCurrentNode.appendChild(element); 76 77 mCurrentNode = element; 78 } 79 80 @Override endElement(String uri, String localName, String qName)81 public void endElement(String uri, String localName, String qName) { 82 if (LOCAL_LOGV) { 83 Log.v(TAG, "SmilContentHandler.endElement. localName " + localName); 84 } 85 mCurrentNode = mCurrentNode.getParentNode(); 86 } 87 88 @Override characters(char[] ch, int start, int length)89 public void characters(char[] ch, int start, int length) { 90 if (LOCAL_LOGV) { 91 Log.v(TAG, "SmilContentHandler.characters. ch = " + new String(ch, start, length)); 92 } 93 } 94 } 95