| /************************************************************************ |
| * |
| * 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.AttributesImpl; |
| |
| class ContentFilter extends NamespaceFilter { |
| |
| private static final String CD2_SVG_NAMESPACE_URI = "http://www.w3.org/2000/svg"; |
| private static final String CD2_XSL_NAMESPACE_URI = "http://www.w3.org/1999/XSL/Format"; |
| private static final String CD2_SMIL_NAMESPACE_URI = "http://www.w3.org/2001/SMIL20/"; |
| private static final String BASE_OFFICE_NAMESPACE_URI = "http://openoffice.org/2004/office"; |
| private static final String BASE_DB_NAMESPACE_URI = "http://openoffice.org/2004/database"; |
| private static final String SVG_NAMESPACE_URI = OdfDocumentNamespace.SVG.getUri(); |
| private static final String XSL_NAMESPACE_URI = OdfDocumentNamespace.FO.getUri(); |
| private static final String SMIL_NAMESPACE_URI = OdfDocumentNamespace.SMIL.getUri(); |
| private static final String DRAW_NAMESPACE_URI = OdfDocumentNamespace.DRAW.getUri(); |
| private static final String OFFICE_NAMESPACE_URI = OdfDocumentNamespace.OFFICE.getUri(); |
| private static final String DB_NAMESPACE_URI = OdfDocumentNamespace.DB.getUri(); |
| private static final String BASE_OFFICE_NAMESPACE_PREFIX = "office"; |
| private static final String POLYGON = "polygon"; |
| private static final String CONTOUR_POLYGON = "contour-polygon"; |
| private static final String POLYLINE = "polyline"; |
| private static final String POINTS = "points"; |
| private static final int MAX_POINTS_LEN = 2048; |
| |
| private Logger m_aLogger; |
| private String m_aLocalElementName; |
| private boolean m_bRoot = true; |
| |
| /** Creates a new instance of KnownIssueFilter */ |
| ContentFilter( Logger aLogger, String aLocalElementName ) { |
| m_aLogger = aLogger; |
| m_aLocalElementName = aLocalElementName; |
| } |
| |
| String adaptNamespaceUri( String aUri, String aPrefix) |
| { |
| String aNewUri = null; |
| if( aUri.equals(CD2_SVG_NAMESPACE_URI) ) |
| aNewUri = SVG_NAMESPACE_URI; |
| else if( aUri.equals(CD2_XSL_NAMESPACE_URI) ) |
| aNewUri = XSL_NAMESPACE_URI; |
| else if( aUri.equals(CD2_SMIL_NAMESPACE_URI) ) |
| aNewUri = SMIL_NAMESPACE_URI; |
| else if( aUri.equals(BASE_OFFICE_NAMESPACE_URI) && |
| (aPrefix == null || aPrefix.startsWith(BASE_OFFICE_NAMESPACE_PREFIX)) ) |
| aNewUri = OFFICE_NAMESPACE_URI; |
| else if( aUri.equals(BASE_DB_NAMESPACE_URI) ) |
| aNewUri = DB_NAMESPACE_URI; |
| |
| return aNewUri; |
| } |
| |
| void namespaceUriAdapted( String aUri, String aNewUri ) |
| { |
| String aMsg = (aUri.equals(BASE_OFFICE_NAMESPACE_URI) || aUri.equals(BASE_DB_NAMESPACE_URI)) |
| ? "Adapting Base namspace'" + aUri + "'" |
| : "Adapting OpenDocument CD2 namspace'" + aUri + "' (has been stored by old OOo versions)"; |
| m_aLogger.logInfo( aMsg , false); |
| } |
| |
| @Override |
| public void startElement(String aUri, String aLocalName, String aQName, Attributes aAtts) throws SAXException { |
| if( aUri.equals(DRAW_NAMESPACE_URI) && |
| (aLocalName.equals(POLYGON) || aLocalName.equals(POLYLINE) || aLocalName.equals(CONTOUR_POLYGON)) ) |
| { |
| String aPointsValue = aAtts.getValue(DRAW_NAMESPACE_URI,POINTS); |
| if( aPointsValue != null && aPointsValue.length() > MAX_POINTS_LEN ) |
| { |
| m_aLogger.logInfo( String.format("'draw:points' of <%s> has been stripped (value starts with '%s')",aQName,aPointsValue.substring(0,40)), false); |
| AttributesImpl aNewAtts = new AttributesImpl( aAtts ); |
| int nAttr = aNewAtts.getIndex(DRAW_NAMESPACE_URI,POINTS); |
| int nPos = aPointsValue.lastIndexOf(' ',MAX_POINTS_LEN); |
| String aNewValue = nPos != -1 ? aPointsValue.substring(0,nPos) : ""; |
| aNewAtts.setValue(nAttr, aNewValue ); |
| aAtts = aNewAtts; |
| } |
| } |
| super.startElement(aUri, aLocalName, aQName, aAtts); |
| if( m_bRoot ) |
| { |
| if( !(aUri.equals(OFFICE_NAMESPACE_URI) && aLocalName.equals(m_aLocalElementName)) ) |
| m_aLogger.logError("Invalid root element: " + aQName ); |
| m_bRoot = false; |
| } |
| } |
| |
| } |