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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/xml/validation/relaxng/RELAXNGSchemaFactory.java
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+/* RelaxNGSchemaFactory.java --
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.xml.validation.relaxng;
+
+import java.io.IOException;
+import java.net.URL;
+import javax.xml.XMLConstants;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Source;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamSource;
+import javax.xml.validation.Schema;
+import javax.xml.validation.SchemaFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.ls.LSResourceResolver;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+/**
+ * Schema factory for RELAX NG grammars.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+public class RELAXNGSchemaFactory
+ extends SchemaFactory
+{
+
+ LSResourceResolver resourceResolver;
+ ErrorHandler errorHandler;
+
+ public LSResourceResolver getResourceResolver()
+ {
+ return resourceResolver;
+ }
+
+ public void setResourceResolver(LSResourceResolver resourceResolver)
+ {
+ this.resourceResolver = resourceResolver;
+ }
+
+ public ErrorHandler getErrorHandler()
+ {
+ return this.errorHandler;
+ }
+
+ public void setErrorHandler(ErrorHandler errorHandler)
+ {
+ this.errorHandler = errorHandler;
+ }
+
+ public boolean isSchemaLanguageSupported(String schemaLanguage)
+ {
+ return XMLConstants.RELAXNG_NS_URI.equals(schemaLanguage);
+ }
+
+ public Schema newSchema()
+ throws SAXException
+ {
+ // TODO
+ throw new UnsupportedOperationException();
+ }
+
+ public Schema newSchema(Source[] schemata)
+ throws SAXException
+ {
+ if (schemata == null || schemata.length != 1)
+ throw new IllegalArgumentException("must specify one source");
+ // TODO multiple schemata
+ // TODO compact syntax
+ try
+ {
+ Document doc = getDocument(schemata[0]);
+ FullSyntaxBuilder builder = new FullSyntaxBuilder();
+ return builder.parse(doc);
+ }
+ catch (IOException e)
+ {
+ SAXException e2 = new SAXException(e.getMessage());
+ e2.initCause(e);
+ throw e2;
+ }
+ }
+
+ private static Document getDocument(Source source)
+ throws SAXException, IOException
+ {
+ if (source instanceof DOMSource)
+ {
+ Node node = ((DOMSource) source).getNode();
+ if (node != null && node instanceof Document)
+ return (Document) node;
+ }
+ String url = source.getSystemId();
+ try
+ {
+ InputSource input = new InputSource(url);
+ if (source instanceof StreamSource)
+ {
+ StreamSource streamSource = (StreamSource) source;
+ input.setByteStream(streamSource.getInputStream());
+ input.setCharacterStream(streamSource.getReader());
+ }
+ if (input.getByteStream() == null &&
+ input.getCharacterStream() == null &&
+ url != null)
+ input.setByteStream(new URL(url).openStream());
+ DocumentBuilderFactory f = DocumentBuilderFactory.newInstance();
+ f.setNamespaceAware(true);
+ f.setCoalescing(true);
+ f.setExpandEntityReferences(true);
+ f.setIgnoringComments(true);
+ f.setIgnoringElementContentWhitespace(true);
+ DocumentBuilder b = f.newDocumentBuilder();
+ return b.parse(input);
+ }
+ catch (ParserConfigurationException e)
+ {
+ SAXException e2 = new SAXException(e.getMessage());
+ e2.initCause(e);
+ throw e2;
+ }
+ }
+
+}