001/* 002 * This library is part of OpenCms - 003 * the Open Source Content Management System 004 * 005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) 006 * 007 * This library is free software; you can redistribute it and/or 008 * modify it under the terms of the GNU Lesser General Public 009 * License as published by the Free Software Foundation; either 010 * version 2.1 of the License, or (at your option) any later version. 011 * 012 * This library is distributed in the hope that it will be useful, 013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 * Lesser General Public License for more details. 016 * 017 * For further information about Alkacon Software GmbH & Co. KG, please see the 018 * company website: http://www.alkacon.com 019 * 020 * For further information about OpenCms, please see the 021 * project website: http://www.opencms.org 022 * 023 * You should have received a copy of the GNU Lesser General Public 024 * License along with this library; if not, write to the Free Software 025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 026 */ 027 028package org.opencms.setup.comptest; 029 030import org.opencms.i18n.CmsEncoder; 031import org.opencms.setup.CmsSetupBean; 032 033import java.io.ByteArrayInputStream; 034 035import org.apache.xerces.impl.Version; 036import org.apache.xerces.parsers.DOMParser; 037 038import org.w3c.dom.Document; 039import org.xml.sax.InputSource; 040 041/** 042 * Test for the Xerces version.<p> 043 * 044 * @since 6.1.8 045 */ 046public class CmsSetupTestXercesVersion implements I_CmsSetupTest { 047 048 /** The test name. */ 049 public static final String TEST_NAME = "Xerces Version"; 050 051 /** 052 * @see org.opencms.setup.comptest.I_CmsSetupTest#getName() 053 */ 054 public String getName() { 055 056 return TEST_NAME; 057 } 058 059 /** 060 * @see org.opencms.setup.comptest.I_CmsSetupTest#execute(org.opencms.setup.CmsSetupBean) 061 */ 062 public CmsSetupTestResult execute(CmsSetupBean setupBean) throws Exception { 063 064 CmsSetupTestResult testResult = new CmsSetupTestResult(this); 065 066 DOMParser parser = new DOMParser(); 067 String document = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<test>test</test>\n"; 068 parser.parse(new InputSource(new ByteArrayInputStream(document.getBytes(CmsEncoder.ENCODING_UTF_8)))); 069 Document doc = parser.getDocument(); 070 071 // Xerces 1 and 2 APIs are different, let's see what we have... 072 String versionStr = null; 073 int xercesVersion = 0; 074 075 try { 076 doc.getClass().getMethod("getXmlEncoding", new Class[] {}).invoke(doc, new Object[] {}); 077 versionStr = Version.getVersion(); 078 xercesVersion = 2; 079 } catch (Throwable t) { 080 // noop 081 } 082 if (versionStr == null) { 083 try { 084 doc.getClass().getMethod("getEncoding", new Class[] {}).invoke(doc, new Object[] {}); 085 versionStr = "Xerces version 1"; 086 xercesVersion = 1; 087 } catch (Throwable t) { 088 // noop 089 } 090 } 091 092 switch (xercesVersion) { 093 case 2: 094 testResult.setResult(versionStr); 095 testResult.setHelp( 096 "OpenCms requires Xerces version 2 to run. Usually this should be available as part of the servlet environment."); 097 testResult.setGreen(); 098 break; 099 case 1: 100 testResult.setResult(versionStr); 101 testResult.setRed(); 102 testResult.setInfo( 103 "OpenCms requires Xerces version 2 to run, your Xerces version is 1. " 104 + "Usually Xerces 2 should be installed by default as part of the servlet environment."); 105 testResult.setHelp(testResult.getInfo()); 106 break; 107 default: 108 if (versionStr == null) { 109 versionStr = "Unknown version"; 110 } 111 testResult.setResult(versionStr); 112 testResult.setRed(); 113 testResult.setInfo( 114 "OpenCms requires Xerces version 2 to run. " 115 + "Usually Xerces 2 should be installed by default as part of the servlet environment."); 116 testResult.setHelp(testResult.getInfo()); 117 } 118 return testResult; 119 } 120}