| /************************************************************************ |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER |
| * |
| * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved. |
| * |
| * Use is subject to license terms. |
| * |
| * 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. You can also |
| * obtain a copy of the License at http://odftoolkit.org/docs/license.txt |
| * |
| * 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.odftoolkit.odfvalidator; |
| |
| import org.odftoolkit.odfdom.dom.OdfDocumentNamespace; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.XMLFilterImpl; |
| |
| class MetaFilter extends XMLFilterImpl { |
| |
| private boolean m_bInGenerator = false; |
| private String m_aGenerator = ""; |
| private boolean m_bRoot = true; |
| |
| private static final String META_NAMESPACE_URI = OdfDocumentNamespace.META.getUri(); |
| private static final String OFFICE_NAMESPACE_URI = OdfDocumentNamespace.OFFICE.getUri(); |
| private static final String GENERATOR = "generator"; |
| private static final String DOCUMENT_META = "document-meta"; |
| |
| private Logger m_aLogger; |
| private MetaInformationListener m_aMetaListener; |
| |
| |
| /** Creates a new instance of MetaFilter */ |
| MetaFilter( Logger aLogger, MetaInformationListener aMetaListener ) { |
| m_aLogger = aLogger; |
| m_aMetaListener = aMetaListener; |
| } |
| |
| @Override |
| public void characters(char[] aChars, int nStart, int nLength) throws SAXException { |
| super.characters(aChars, nStart, nLength); |
| |
| if( m_bInGenerator ) |
| { |
| m_aGenerator += new String( aChars, nStart, nLength ); |
| } |
| } |
| |
| @Override |
| public void endElement(String aUri, String aLocalName, String aQName) throws SAXException { |
| super.endElement(aUri, aLocalName, aQName); |
| |
| if( aUri.equals(META_NAMESPACE_URI) && aLocalName.equals(GENERATOR) ) |
| { |
| m_aGenerator = m_aGenerator.trim(); |
| m_aLogger.logInfo( "Generator: " + m_aGenerator , false); |
| m_bInGenerator = false; |
| if( m_aMetaListener!=null ) { |
| m_aMetaListener.setGenerator( m_aGenerator ); |
| } |
| } |
| } |
| |
| @Override |
| public void startElement(String aUri, String aLocalName, String aQName, Attributes aAttributes) throws SAXException { |
| super.startElement(aUri, aLocalName, aQName, aAttributes); |
| |
| if( m_bRoot ) |
| { |
| if( !(aUri.equals(OFFICE_NAMESPACE_URI) && aLocalName.equals(DOCUMENT_META)) ) |
| m_aLogger.logError("Invalid root element: " + aQName ); |
| m_bRoot = false; |
| } |
| |
| if( aUri.equals(META_NAMESPACE_URI) && aLocalName.equals(GENERATOR) ) |
| m_bInGenerator = true; |
| } |
| } |