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Viewing changes to java/org/apache/tomcat/util/descriptor/DigesterFactory.java

  • Committer: Package Import Robot
  • Author(s): Emmanuel Bourg
  • Date: 2014-02-17 00:02:00 UTC
  • mfrom: (1.2.10)
  • Revision ID: package-import@ubuntu.com-20140217000200-qs6ki7bhqnfhkas7
Tags: 6.0.39-1
* Team upload.
* New upstream release.
  - Refreshed the patches
* Standards-Version updated to 3.9.5 (no changes)
* Switch to debhelper level 9
* Use XZ compression for the upstream tarball
* Use canonical URL for the Vcs-Git field

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java/org/apache/tomcat/util/descriptor/DigesterFactory.java
 
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/*
 
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 * Licensed to the Apache Software Foundation (ASF) under one or more
 
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 * contributor license agreements.  See the NOTICE file distributed with
 
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 * this work for additional information regarding copyright ownership.
 
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 * The ASF licenses this file to You under the Apache License, Version 2.0
 
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 * (the "License"); you may not use this file except in compliance with
 
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 * the License.  You may obtain a copy of the License at
 
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 *
 
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 *      http://www.apache.org/licenses/LICENSE-2.0
 
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 *
 
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 * Unless required by applicable law or agreed to in writing, software
 
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 * distributed under the License is distributed on an "AS IS" BASIS,
 
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
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 * See the License for the specific language governing permissions and
 
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 * limitations under the License.
 
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 */
 
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package org.apache.tomcat.util.descriptor;
 
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import java.net.URL;
 
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import java.util.Collections;
 
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import java.util.HashMap;
 
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import java.util.Map;
 
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import javax.servlet.ServletContext;
 
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import org.apache.tomcat.util.digester.Digester;
 
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import org.apache.tomcat.util.digester.RuleSet;
 
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import org.xml.sax.ext.EntityResolver2;
 
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/**
 
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 * Wrapper class around the Digester that hide Digester's initialization
 
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 * details.
 
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 */
 
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public class DigesterFactory {
 
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    /**
 
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     * Mapping of well-known public IDs used by the Servlet API to the matching
 
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     * local resource.
 
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     */
 
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    public static final Map<String,String> SERVLET_API_PUBLIC_IDS;
 
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    /**
 
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     * Mapping of well-known system IDs used by the Servlet API to the matching
 
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     * local resource.
 
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     */
 
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    public static final Map<String,String> SERVLET_API_SYSTEM_IDS;
 
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    static {
 
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        Map<String, String> publicIds = new HashMap<String, String>();
 
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        Map<String, String> systemIds = new HashMap<String, String>();
 
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        // W3C
 
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        publicIds.put(XmlIdentifiers.XSD_10_PUBLIC, idFor("XMLSchema.dtd"));
 
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        publicIds.put(XmlIdentifiers.DATATYPES_PUBLIC, idFor("datatypes.dtd"));
 
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        systemIds.put(XmlIdentifiers.XML_2001_XSD, idFor("xml.xsd"));
 
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        // from J2EE 1.2
 
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        publicIds.put(XmlIdentifiers.WEB_22_PUBLIC, idFor("web-app_2_2.dtd"));
 
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        publicIds.put(XmlIdentifiers.TLD_11_PUBLIC, idFor("web-jsptaglibrary_1_1.dtd"));
 
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        // from J2EE 1.3
 
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        publicIds.put(XmlIdentifiers.WEB_23_PUBLIC, idFor("web-app_2_3.dtd"));
 
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        publicIds.put(XmlIdentifiers.TLD_12_PUBLIC, idFor("web-jsptaglibrary_1_2.dtd"));
 
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        // from J2EE 1.4
 
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        systemIds.put("http://www.ibm.com/webservices/xsd/j2ee_web_services_1_1.xsd",
 
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                idFor("j2ee_web_services_1_1.xsd"));
 
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        systemIds.put("http://www.ibm.com/webservices/xsd/j2ee_web_services_client_1_1.xsd",
 
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                idFor("j2ee_web_services_client_1_1.xsd"));
 
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        systemIds.put(XmlIdentifiers.WEB_24_XSD, idFor("web-app_2_4.xsd"));
 
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        systemIds.put(XmlIdentifiers.TLD_20_XSD, idFor("web-jsptaglibrary_2_0.xsd"));
 
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        addSelf(systemIds, "j2ee_1_4.xsd");
 
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        addSelf(systemIds, "jsp_2_0.xsd");
 
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        // from JavaEE 5
 
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        systemIds.put(XmlIdentifiers.WEB_25_XSD, idFor("web-app_2_5.xsd"));
 
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        systemIds.put(XmlIdentifiers.TLD_21_XSD, idFor("web-jsptaglibrary_2_1.xsd"));
 
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        addSelf(systemIds, "javaee_5.xsd");
 
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        addSelf(systemIds, "jsp_2_1.xsd");
 
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        addSelf(systemIds, "javaee_web_services_1_2.xsd");
 
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        addSelf(systemIds, "javaee_web_services_client_1_2.xsd");
 
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        SERVLET_API_PUBLIC_IDS = Collections.unmodifiableMap(publicIds);
 
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        SERVLET_API_SYSTEM_IDS = Collections.unmodifiableMap(systemIds);
 
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    }
 
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    private static void addSelf(Map<String, String> ids, String id) {
 
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        String systemId = idFor(id);
 
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        ids.put(systemId, systemId);
 
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        ids.put(id, systemId);
 
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    }
 
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    private static String idFor(String url) {
 
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        URL id = ServletContext.class.getResource("resources/" + url);
 
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        if (id == null) {
 
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            id = ServletContext.class.getResource("jsp/resources/" + url);
 
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        }
 
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        return id.toExternalForm();
 
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    }
 
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    /**
 
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     * Create a <code>Digester</code> parser.
 
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     * @param xmlValidation turn on/off xml validation
 
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     * @param xmlNamespaceAware turn on/off namespace validation
 
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     * @param rule an instance of <code>RuleSet</code> used for parsing the xml.
 
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     * @param blockExternal turn on/off the blocking of external resources
 
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     */
 
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    public static Digester newDigester(boolean xmlValidation,
 
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                                       boolean xmlNamespaceAware,
 
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                                       RuleSet rule,
 
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                                       boolean blockExternal) {
 
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        Digester digester = new Digester();
 
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        digester.setNamespaceAware(xmlNamespaceAware);
 
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        digester.setValidating(xmlValidation);
 
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        digester.setUseContextClassLoader(true);
 
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        EntityResolver2 resolver = new LocalResolver(SERVLET_API_PUBLIC_IDS,
 
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                SERVLET_API_SYSTEM_IDS, blockExternal);
 
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        digester.setEntityResolver(resolver);
 
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        if (rule != null) {
 
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            digester.addRuleSet(rule);
 
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        }
 
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        return digester;
 
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    }
 
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}