8aa540d2f7
Imported GNU Classpath 0.90
* scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
* gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
* java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
* java/lang/Math.java: New override file.
* java/lang/Character.java: Merged from Classpath.
(start, end): Now 'int's.
(canonicalName): New field.
(CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
(UnicodeBlock): Added argument.
(of): New overload.
(forName): New method.
Updated unicode blocks.
(sets): Updated.
* sources.am: Regenerated.
* Makefile.in: Likewise.
From-SVN: r111942
394 lines
11 KiB
Java
394 lines
11 KiB
Java
/* XMLSchemaValidatorHandler.java --
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.xml.validation.xmlschema;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import javax.xml.XMLConstants;
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import javax.xml.namespace.QName;
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import javax.xml.validation.TypeInfoProvider;
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import javax.xml.validation.ValidatorHandler;
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import org.relaxng.datatype.DatatypeException;
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import org.relaxng.datatype.DatatypeLibrary;
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import org.relaxng.datatype.helpers.DatatypeLibraryLoader;
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import org.w3c.dom.TypeInfo;
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import org.w3c.dom.ls.LSResourceResolver;
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import org.xml.sax.Attributes;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.ErrorHandler;
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import org.xml.sax.Locator;
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import org.xml.sax.SAXException;
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import org.xml.sax.ext.Attributes2Impl;
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import org.xml.sax.helpers.NamespaceSupport;
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import gnu.xml.validation.datatype.SimpleType;
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import gnu.xml.validation.datatype.Type;
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/**
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* Streaming validator.
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*
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* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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*/
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final class XMLSchemaValidatorHandler
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extends ValidatorHandler
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{
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final XMLSchema schema;
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final TypeInfoProvider typeInfoProvider;
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final NamespaceSupport namespaceSupport;
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final DatatypeLibrary typeLibrary;
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Locator loc;
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ContentHandler contentHandler;
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ErrorHandler errorHandler;
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LSResourceResolver resourceResolver;
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final LinkedList context; // element context
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final ArrayList attributes; // attribute context;
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XMLSchemaValidatorHandler(XMLSchema schema)
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{
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this.schema = schema;
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typeInfoProvider = new XMLSchemaTypeInfoProvider(this);
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namespaceSupport = new NamespaceSupport();
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context = new LinkedList();
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attributes = new ArrayList();
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final String ns = XMLConstants.W3C_XML_SCHEMA_NS_URI;
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typeLibrary = new DatatypeLibraryLoader().createDatatypeLibrary(ns);
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}
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public ContentHandler getContentHandler()
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{
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return contentHandler;
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}
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public void setContentHandler(ContentHandler contentHandler)
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{
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this.contentHandler = contentHandler;
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}
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public ErrorHandler getErrorHandler()
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{
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return errorHandler;
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}
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public void setErrorHandler(ErrorHandler errorHandler)
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{
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this.errorHandler = errorHandler;
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}
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public LSResourceResolver getResourceResolver()
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{
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return resourceResolver;
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}
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public void setResourceResolver(LSResourceResolver resourceResolver)
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{
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this.resourceResolver = resourceResolver;
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}
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public TypeInfoProvider getTypeInfoProvider()
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{
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return typeInfoProvider;
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}
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TypeInfo getElementTypeInfo()
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{
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return (XMLSchemaElementTypeInfo) context.getFirst();
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}
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TypeInfo getAttributeTypeInfo(int index)
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{
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return (XMLSchemaAttributeTypeInfo) attributes.get(index);
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}
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boolean isIdAttribute(int index)
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{
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XMLSchemaAttributeTypeInfo typeInfo =
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(XMLSchemaAttributeTypeInfo) attributes.get(index);
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return typeInfo.id;
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}
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boolean isSpecified(int index)
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{
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XMLSchemaAttributeTypeInfo typeInfo =
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(XMLSchemaAttributeTypeInfo) attributes.get(index);
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return typeInfo.specified;
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}
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public void setDocumentLocator(Locator locator)
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{
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loc = locator;
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if (contentHandler != null)
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{
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contentHandler.setDocumentLocator(locator);
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}
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}
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public void startDocument()
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throws SAXException
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{
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namespaceSupport.reset();
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context.clear();
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attributes.clear();
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if (contentHandler != null)
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{
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contentHandler.startDocument();
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}
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}
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public void endDocument()
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throws SAXException
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{
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if (contentHandler != null)
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{
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contentHandler.endDocument();
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}
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}
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public void startPrefixMapping(String prefix, String uri)
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throws SAXException
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{
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namespaceSupport.declarePrefix(prefix, uri);
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if (contentHandler != null)
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{
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contentHandler.startPrefixMapping(prefix, uri);
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}
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}
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public void endPrefixMapping(String prefix)
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throws SAXException
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{
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if (contentHandler != null)
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{
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contentHandler.endPrefixMapping(prefix);
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}
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}
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public void startElement(String uri, String localName, String qName,
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Attributes atts)
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throws SAXException
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{
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namespaceSupport.pushContext();
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QName name = new QName(uri, localName);
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ElementDeclaration decl =
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(ElementDeclaration) schema.elementDeclarations.get(name);
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// Validation Rule: Element Locally Valid (Element)
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String xsiType =
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atts.getValue(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, "type");
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xsiType = xsiType.trim(); // normalise
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String xsiNil =
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atts.getValue(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, "nil");
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Type type = decl.datatype;
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if (xsiType.length() > 0)
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{
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try
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{
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Type specifiedType = resolveType(xsiType);
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// TODO 4.3
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type = specifiedType;
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}
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catch (DatatypeException e) // 4.1, 4.2
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{
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ValidationException e2 =
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new ValidationException("Can't resolve type " + xsiType,
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loc);
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e2.initCause(e);
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throw e2;
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}
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}
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XMLSchemaElementTypeInfo typeInfo =
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new XMLSchemaElementTypeInfo(schema, decl, type);
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if (decl == null) // 1
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{
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throw new ValidationException("No declaration for " + name, loc);
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}
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if (decl.isAbstract) // 2
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{
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throw new ValidationException("Declaration for " + name +
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" is abstract", loc);
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}
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if (xsiNil.length() > 0)
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{
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if (!decl.nillable) // 3.1
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{
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throw new ValidationException("Declaration for " + name +
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" is nillable but xsi:nil present",
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loc);
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}
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else if ("true".equals(xsiNil)) // 3.2
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{
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typeInfo.nil = true;
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if (decl.type == XMLSchema.CONSTRAINT_FIXED) // 3.2.2
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{
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throw new ValidationException("Declaration for " + name +
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" is fixed but xsi:nil is true",
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loc);
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}
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}
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}
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// TODO 5, 6, 7
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// parent
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if (!context.isEmpty())
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{
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XMLSchemaElementTypeInfo parent =
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(XMLSchemaElementTypeInfo) context.getFirst();
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if (parent.nil) // Element Locally Valid (Element) 3.2.1
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{
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throw new ValidationException("Parent of " + qName +
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" is declared xsi:nil", loc);
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}
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// TODO
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}
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context.addFirst(typeInfo);
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// attributes
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int len = atts.getLength();
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Attributes2Impl atts2 = new Attributes2Impl();
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int count = 0;
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for (int i = 0; i < len; i++)
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{
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String attUri = atts.getURI(i);
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String attLocalName = atts.getLocalName(i);
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String attQName = atts.getQName(i);
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String attValue = atts.getValue(i);
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if (XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI.equals(attUri))
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{
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continue; // ?
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}
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QName attName = new QName(attUri, attLocalName);
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AttributeDeclaration attDecl =
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(AttributeDeclaration) schema.attributeDeclarations.get(attName);
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boolean declared = (attDecl != null);
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String attType = (attDecl != null) ?
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attDecl.datatype.toString() : "CDATA";
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XMLSchemaAttributeTypeInfo attTypeInfo =
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new XMLSchemaAttributeTypeInfo(schema, attDecl, true);
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attributes.add(attTypeInfo);
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atts2.addAttribute(attUri, attLocalName, attQName, attType, attValue);
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atts2.setDeclared(count, declared);
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atts2.setSpecified(count, true);
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count++;
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}
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// add defaulted attributes to atts2
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// TODO
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// atts2.setSpecified(count, false);
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if (contentHandler != null)
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{
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contentHandler.startElement(uri, localName, qName, atts2);
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}
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}
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public void endElement(String uri, String localName, String qName)
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throws SAXException
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{
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// TODO check all required have been seen
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context.removeFirst();
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attributes.clear();
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namespaceSupport.popContext();
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if (contentHandler != null)
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{
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contentHandler.endElement(uri, localName, qName);
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}
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}
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public void characters(char[] ch, int start, int length)
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throws SAXException
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{
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XMLSchemaElementTypeInfo parent =
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(XMLSchemaElementTypeInfo) context.getFirst();
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if (parent.nil) // Element Locally Valid (Element) 3.2.1
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{
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throw new ValidationException(parent.decl.name.toString() +
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" is declared xsi:nil",
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loc);
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}
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// TODO
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if (contentHandler != null)
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{
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contentHandler.characters(ch, start, length);
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}
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}
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public void ignorableWhitespace(char[] ch, int start, int length)
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throws SAXException
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{
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if (contentHandler != null)
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{
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contentHandler.ignorableWhitespace(ch, start, length);
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}
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}
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public void processingInstruction(String target, String data)
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throws SAXException
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{
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if (contentHandler != null)
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{
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contentHandler.processingInstruction(target, data);
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}
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}
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public void skippedEntity(String name)
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throws SAXException
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{
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if (contentHandler != null)
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{
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contentHandler.skippedEntity(name);
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}
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}
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Type resolveType(String value)
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throws DatatypeException
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{
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QName name = QName.valueOf(value);
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String prefix = name.getPrefix();
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String localName = name.getLocalPart();
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if (prefix != null && prefix.length() > 0)
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{
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String uri = namespaceSupport.getURI(prefix);
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if (!XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(uri))
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return null;
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}
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if ("anyType".equals(localName))
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return Type.ANY_TYPE;
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return (SimpleType) typeLibrary.createDatatype(localName);
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}
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}
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