| 1 | /* |
| 2 | * jDTAUS Core RI Client Container |
| 3 | * Copyright (C) 2005 Christian Schulte |
| 4 | * <cs@schulte.it> |
| 5 | * |
| 6 | * This library is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or any later version. |
| 10 | * |
| 11 | * This library is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with this library; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | * |
| 20 | */ |
| 21 | package org.jdtaus.core.container.ri.client; |
| 22 | |
| 23 | import java.io.IOException; |
| 24 | import java.net.URI; |
| 25 | import java.net.URISyntaxException; |
| 26 | import java.net.URL; |
| 27 | import java.util.Locale; |
| 28 | import java.util.logging.Level; |
| 29 | import java.util.logging.Logger; |
| 30 | import org.xml.sax.EntityResolver; |
| 31 | import org.xml.sax.InputSource; |
| 32 | import org.xml.sax.SAXException; |
| 33 | |
| 34 | /** |
| 35 | * {@code EntityResolver} implementation resolving any container specific |
| 36 | * system ids to classpath resources. |
| 37 | * |
| 38 | * @author <a href="mailto:cs@schulte.it">Christian Schulte</a> |
| 39 | * @version $JDTAUS: BootstrapEntityResolver.java 8743 2012-10-07 03:06:20Z schulte $ |
| 40 | */ |
| 41 | public class BootstrapEntityResolver implements EntityResolver |
| 42 | { |
| 43 | //--Constants--------------------------------------------------------------- |
| 44 | |
| 45 | /** Mapping of schema names to the corresponding classpath location. */ |
| 46 | private static final String[] SCHEMA_LOCATIONS = |
| 47 | { |
| 48 | "jdtaus-module-1.0.xsd", "org/jdtaus/core/container/xml/", |
| 49 | "jdtaus-module-1.1.xsd", "org/jdtaus/core/container/xml/", |
| 50 | "jdtaus-module-1.2.xsd", "org/jdtaus/core/model/container/module/", |
| 51 | "jdtaus-core-1.0.xsd", "org/jdtaus/core/model/", |
| 52 | "jdtaus-core-1.1.xsd", "org/jdtaus/core/model/", |
| 53 | "jdtaus-text-1.0.xsd", "org/jdtaus/core/model/text/", |
| 54 | "jdtaus-text-1.1.xsd", "org/jdtaus/core/model/text/", |
| 55 | "jdtaus-monitor-1.0.xsd", "org/jdtaus/core/model/monitor/", |
| 56 | "jdtaus-monitor-1.1.xsd", "org/jdtaus/core/model/monitor/", |
| 57 | "jdtaus-container-1.0.xsd", "org/jdtaus/core/model/container/", |
| 58 | "jdtaus-container-1.1.xsd", "org/jdtaus/core/model/container/" |
| 59 | }; |
| 60 | |
| 61 | //---------------------------------------------------------------Constants-- |
| 62 | //--EntityResolver---------------------------------------------------------- |
| 63 | |
| 64 | public InputSource resolveEntity( final String publicId, |
| 65 | final String systemId ) |
| 66 | throws SAXException, IOException |
| 67 | { |
| 68 | if ( systemId == null ) |
| 69 | { |
| 70 | throw new NullPointerException( "systemId" ); |
| 71 | } |
| 72 | |
| 73 | InputSource schemaSource = null; |
| 74 | |
| 75 | try |
| 76 | { |
| 77 | final URI systemUri = new URI( systemId ); |
| 78 | String schemaName = systemUri.getPath(); |
| 79 | if ( schemaName != null ) |
| 80 | { |
| 81 | final int lastIndexOfSlash = schemaName.lastIndexOf( '/' ); |
| 82 | if ( lastIndexOfSlash != -1 && |
| 83 | lastIndexOfSlash < schemaName.length() ) |
| 84 | { |
| 85 | schemaName = schemaName.substring( lastIndexOfSlash + 1 ); |
| 86 | } |
| 87 | |
| 88 | for ( int i = SCHEMA_LOCATIONS.length - 2; i >= 0; i -= 2 ) |
| 89 | { |
| 90 | if ( SCHEMA_LOCATIONS[i].equals( schemaName ) ) |
| 91 | { |
| 92 | final String schemaLocation = |
| 93 | SCHEMA_LOCATIONS[i + 1] + schemaName; |
| 94 | |
| 95 | final URL schemaUrl = this.getClass().getClassLoader(). |
| 96 | getResource( schemaLocation ); |
| 97 | |
| 98 | if ( schemaUrl == null ) |
| 99 | { |
| 100 | Logger.getLogger( this.getClass().getName() ).log( |
| 101 | Level.WARNING, |
| 102 | BootstrapEntityResolverBundle.getInstance(). |
| 103 | getResourceNotAvailableMessage( |
| 104 | Locale.getDefault(), schemaLocation ) ); |
| 105 | |
| 106 | continue; |
| 107 | } |
| 108 | |
| 109 | schemaSource = new InputSource(); |
| 110 | schemaSource.setPublicId( publicId ); |
| 111 | schemaSource.setSystemId( schemaUrl.toExternalForm() ); |
| 112 | |
| 113 | Logger.getLogger( this.getClass().getName() ).log( |
| 114 | Level.FINE, |
| 115 | BootstrapEntityResolverBundle.getInstance(). |
| 116 | getResolvedSystemIdUriMessage( |
| 117 | Locale.getDefault(), systemUri.toASCIIString(), |
| 118 | schemaSource.getSystemId() ) ); |
| 119 | |
| 120 | break; |
| 121 | } |
| 122 | |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | catch ( final URISyntaxException e ) |
| 127 | { |
| 128 | Logger.getLogger( this.getClass().getName() ).log( |
| 129 | Level.WARNING, |
| 130 | BootstrapEntityResolverBundle.getInstance(). |
| 131 | getUnsupportedSystemIdUriMessage( Locale.getDefault(), systemId, |
| 132 | e.getMessage() ) ); |
| 133 | |
| 134 | schemaSource = null; |
| 135 | } |
| 136 | |
| 137 | return schemaSource; |
| 138 | } |
| 139 | |
| 140 | //----------------------------------------------------------EntityResolver-- |
| 141 | //--BootstrapEntityResolver------------------------------------------------- |
| 142 | |
| 143 | /** Creates a new {@code BootstrapEntityResolver} instance. */ |
| 144 | public BootstrapEntityResolver() |
| 145 | { |
| 146 | super(); |
| 147 | } |
| 148 | |
| 149 | //-------------------------------------------------BootstrapEntityResolver-- |
| 150 | } |