cdmlib-io/src/main/java/eu/etaxonomy/cdm/io/jaxb/CdmResourceResolver.java

   1 /**
   2 * Copyright (C) 2008 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version 1.1
   7  * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9
  10 package eu.etaxonomy.cdm.io.jaxb;
  11
  12 import java.io.IOException;
  13 import java.util.Properties;
  14
  15 import org.apache.commons.logging.Log;
  16 import org.apache.commons.logging.LogFactory;
  17 import org.apache.xml.resolver.CatalogManager;
  18 import org.apache.xml.resolver.tools.CatalogResolver;
  19 import org.w3c.dom.ls.LSInput;
  20 import org.w3c.dom.ls.LSResourceResolver;
  21 import org.xml.sax.InputSource;
  22
  23 /**
  24  * Copied from CATE (@author ben.clark). Not used at this point.
  25  */
  26 public class CdmResourceResolver implements LSResourceResolver {
  27         private final CatalogResolver catalogResolver;
  28         private static Log log = LogFactory.getLog(CdmResourceResolver.class);
  29
  30         public CdmResourceResolver() throws IOException {
  31                 Properties properties = new Properties();
  32                 if(log.isInfoEnabled()) {
  33                     log.info("Loading /CatalogManager.properties");
  34                 }
  35                 properties.load(this.getClass().getResourceAsStream("/CatalogManager.properties"));
  36
  37                 String[] catalogFileNames = properties.getProperty("catalogs").split(",");
  38
  39                 CatalogManager catalogManager = new CatalogManager();
  40                 catalogManager.setRelativeCatalogs(true);
  41                 catalogResolver = new CatalogResolver(catalogManager);
  42
  43                 for(String catalogFileName : catalogFileNames) {
  44                         if(log.isInfoEnabled()) {
  45                             log.info("Parsing " + catalogFileName);
  46                         }
  47                         catalogResolver.getCatalog().parseCatalog(this.getClass().getResource(catalogFileName));
  48                 }
  49         }
  50
  51         public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) {
  52
  53                 if(log.isInfoEnabled()) {
  54                     log.info("Resolving " + namespaceURI + " with systemId " + systemId + ", trying " + systemId);
  55                 }
  56                 InputSource inputSource = catalogResolver.resolveEntity( publicId, systemId );
  57                 if ( inputSource == null ) {
  58                         if(log.isInfoEnabled()) {
  59                             log.info("Not found in filesystem: Looking in jar files for /schema/cdm/" + systemId);
  60                         }
  61                         inputSource = new InputSource(this.getClass().getResourceAsStream("/schema/cdm/" + systemId));
  62
  63                         if(inputSource == null) {
  64                                 if(log.isWarnEnabled()) {
  65                                         log.warn(namespaceURI + " not found");
  66                                 }
  67                                 return null;
  68                         }
  69                 }
  70
  71                 if(log.isInfoEnabled()) {
  72                    // log.info("Resource found");
  73                 }
  74                 LsInputImpl lsInput = new LsInputImpl();
  75                 lsInput.setByteStream( inputSource.getByteStream() );
  76                 lsInput.setCharacterStream( inputSource.getCharacterStream() );
  77                 lsInput.setPublicId( inputSource.getPublicId() );
  78                 lsInput.setSystemId( inputSource.getSystemId() );
  79                 lsInput.setEncoding( inputSource.getEncoding() );
  80                 return lsInput;
  81         }
  82
  83 }