libjava/classpath/javax/xml/validation/SchemaFactory.java

   1 /* SchemaFactory.java --
   2    Copyright (C) 2004, 2005, 2006  Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package javax.xml.validation;
  39
  40 import java.io.File;
  41 import java.net.URL;
  42 import javax.xml.XMLConstants;
  43 import javax.xml.transform.Source;
  44 import javax.xml.transform.stream.StreamSource;
  45 import org.w3c.dom.ls.LSResourceResolver;
  46 import org.xml.sax.ErrorHandler;
  47 import org.xml.sax.SAXException;
  48 import org.xml.sax.SAXNotRecognizedException;
  49 import org.xml.sax.SAXNotSupportedException;
  50
  51 /**
  52  * Factory for obtaining schemata.
  53  *
  54  * @author Chris Burdess (dog@gnu.org)
  55  * @since 1.5
  56  */
  57 public abstract class SchemaFactory
  58 {
  59   protected SchemaFactory()
  60   {
  61   }
  62
  63   /**
  64    * Returns an implementation of <code>SchemaFactory</code> that supports
  65    * the specified schema language.
  66    * @param schemaLanguage the URI of a schema language (see
  67    * <code>XMLConstants</code>)
  68    */
  69   public static final SchemaFactory newInstance(String schemaLanguage)
  70   {
  71     if (XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(schemaLanguage))
  72       return new gnu.xml.validation.xmlschema.XMLSchemaSchemaFactory();
  73     if (XMLConstants.RELAXNG_NS_URI.equals(schemaLanguage))
  74       return new gnu.xml.validation.relaxng.RELAXNGSchemaFactory();
  75     throw new IllegalArgumentException(schemaLanguage);
  76   }
  77
  78   /**
  79    * Indicates whether the specified schema language is supported.
  80    * @param schemaLanguage the URI of a schema language (see
  81    * <code>XMLConstants</code>)
  82    */
  83   public abstract boolean isSchemaLanguageSupported(String schemaLanguage);
  84
  85   public boolean getFeature(String name)
  86     throws SAXNotRecognizedException, SAXNotSupportedException
  87   {
  88     throw new SAXNotRecognizedException(name);
  89   }
  90
  91   public void setFeature(String name, boolean value)
  92     throws SAXNotRecognizedException, SAXNotSupportedException
  93   {
  94     throw new SAXNotRecognizedException(name);
  95   }
  96
  97   public Object getProperty(String name)
  98     throws SAXNotRecognizedException, SAXNotSupportedException
  99   {
 100     throw new SAXNotRecognizedException(name);
 101   }
 102
 103   public void setProperty(String name, Object value)
 104     throws SAXNotRecognizedException, SAXNotSupportedException
 105   {
 106     throw new SAXNotRecognizedException(name);
 107   }
 108
 109   public abstract ErrorHandler getErrorHandler();
 110
 111   public abstract void setErrorHandler(ErrorHandler errorHandler);
 112
 113   public abstract LSResourceResolver getResourceResolver();
 114
 115   public abstract void setResourceResolver(LSResourceResolver resourceResolver);
 116
 117   /**
 118    * Returns a schema based on the specified source resource.
 119    * @param schema the source resource
 120    */
 121   public Schema newSchema(Source schema)
 122     throws SAXException
 123   {
 124     return newSchema(new Source[] { schema });
 125   }
 126
 127   /**
 128    * Returns a schema based on the specified source file.
 129    * @param schema the source resource
 130    */
 131   public Schema newSchema(File schema)
 132     throws SAXException
 133   {
 134     return newSchema(new StreamSource(schema));
 135   }
 136
 137   /**
 138    * Returns a schema based on the specified URL.
 139    * @param schema the source resource
 140    */
 141   public Schema newSchema(URL schema)
 142     throws SAXException
 143   {
 144     return newSchema(new StreamSource(schema.toString()));
 145   }
 146
 147   /**
 148    * Parses the specified sources, and combine them into a single schema.
 149    * The exact procedure and semantics of this depends on the schema
 150    * language.
 151    * @param schemata the schema resources to load
 152    */
 153   public abstract Schema newSchema(Source[] schemata)
 154     throws SAXException;
 155
 156   /**
 157    * Creates a special schema.
 158    * The exact semantics of this depends on the schema language.
 159    */
 160   public abstract Schema newSchema()
 161     throws SAXException;
 162
 163 }