src/main/java/jp/sourceforge/mikutoga/pmd/xml/PmdXmlResources.java

   1 /*
   2  * xml resources for PMD-XML
   3  *
   4  * License : The MIT License
   5  * Copyright(c) 2010 MikuToga Partners
   6  */
   7
   8 package jp.sourceforge.mikutoga.pmd.xml;
   9
  10 import java.net.URI;
  11 import java.net.URISyntaxException;
  12 import javax.xml.XMLConstants;
  13 import javax.xml.parsers.DocumentBuilder;
  14 import javax.xml.parsers.DocumentBuilderFactory;
  15 import javax.xml.parsers.ParserConfigurationException;
  16 import javax.xml.validation.Schema;
  17 import javax.xml.validation.SchemaFactory;
  18 import jp.sourceforge.mikutoga.xml.XmlResourceResolver;
  19 import org.xml.sax.ErrorHandler;
  20 import org.xml.sax.SAXException;
  21
  22 /**
  23  * XML各種リソースの定義。
  24  */
  25 public final class PmdXmlResources {
  26
  27     public static final String NS_PMDXML =
  28             "http://mikutoga.sourceforge.jp/xml/ns/pmdxml/101009";
  29     public static final String SCHEMA_PMDXML =
  30             "http://mikutoga.sourceforge.jp/xml/xsd/pmdxml-101009.xsd";
  31     public static final String DTD_PMDXML =
  32             "http://mikutoga.sourceforge.jp/xml/dtd/pmdxml-101009.dtd";
  33     public static final String VER_PMDXML =
  34             "101009";
  35     public static final String LOCAL_SCHEMA_PMDXML =
  36             "resources/pmdxml-101009.xsd";
  37     public static final String LOCAL_DTD_PMDXML =
  38             "resources/pmdxml-101009.dtd";
  39
  40     public static final URI URI_SCHEMA_PMDXML = URI.create(SCHEMA_PMDXML);
  41     public static final URI URI_DTD_PMDXML = URI.create(DTD_PMDXML);
  42     public static final URI RES_SCHEMA_PMDXML;
  43     public static final URI RES_DTD_PMDXML;
  44
  45     private static final Class THISCLASS = PmdXmlResources.class;
  46
  47     static{
  48         Object dummy = new PmdXmlResources();
  49
  50         try{
  51             RES_SCHEMA_PMDXML =
  52                     THISCLASS.getResource(LOCAL_SCHEMA_PMDXML).toURI();
  53             RES_DTD_PMDXML =
  54                     THISCLASS.getResource(LOCAL_DTD_PMDXML).toURI();
  55         }catch(URISyntaxException e){
  56             throw new ExceptionInInitializerError(e);
  57         }
  58     }
  59
  60     /**
  61      * 隠しコンストラクタ。
  62      */
  63     private PmdXmlResources(){
  64         super();
  65         assert this.getClass().equals(THISCLASS);
  66         return;
  67     }
  68
  69     /**
  70      * ビルダの生成。
  71      * @param handler エラーハンドラ
  72      * @return ビルダ
  73      * @throws SAXException パースエラー
  74      * @throws ParserConfigurationException 構成エラー
  75      */
  76     public static DocumentBuilder newBuilder(ErrorHandler handler)
  77             throws SAXException, ParserConfigurationException {
  78         XmlResourceResolver resolver = new XmlResourceResolver();
  79         resolver.putURIMap(URI_SCHEMA_PMDXML, RES_SCHEMA_PMDXML);
  80         resolver.putURIMap(URI_DTD_PMDXML, RES_DTD_PMDXML);
  81
  82         SchemaFactory schemaFactory =
  83                 SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
  84         schemaFactory.setResourceResolver(resolver);
  85         schemaFactory.setErrorHandler(handler);
  86         Schema schema = schemaFactory.newSchema();
  87
  88         DocumentBuilderFactory builderFactory =
  89                 DocumentBuilderFactory.newInstance();
  90         builderFactory.setCoalescing(true);
  91         builderFactory.setExpandEntityReferences(true);
  92         builderFactory.setIgnoringComments(true);
  93         builderFactory.setIgnoringElementContentWhitespace(false);
  94         builderFactory.setNamespaceAware(true);
  95         builderFactory.setValidating(false);
  96         builderFactory.setSchema(schema);
  97
  98         DocumentBuilder builder = builderFactory.newDocumentBuilder();
  99         builder.setEntityResolver(resolver);
 100         builder.setErrorHandler(handler);
 101
 102         return builder;
 103     }
 104
 105 }