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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.jaxp.validation;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.util.HashMap;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXSource;
import javax.xml.validation.TypeInfoProvider;
import javax.xml.validation.ValidatorHandler;
import org.apache.xerces.impl.Constants;
import org.apache.xerces.impl.XMLEntityManager;
import org.apache.xerces.impl.XMLErrorReporter;
import org.apache.xerces.impl.dv.XSSimpleType;
import org.apache.xerces.impl.validation.EntityState;
import org.apache.xerces.impl.validation.ValidationManager;
import org.apache.xerces.impl.xs.XMLSchemaValidator;
import org.apache.xerces.util.AttributesProxy;
import org.apache.xerces.util.SAXLocatorWrapper;
import org.apache.xerces.util.SAXMessageFormatter;
import org.apache.xerces.util.SymbolTable;
import org.apache.xerces.util.URI;
import org.apache.xerces.util.XMLAttributesImpl;
import org.apache.xerces.util.XMLSymbols;
import org.apache.xerces.xni.Augmentations;
import org.apache.xerces.xni.NamespaceContext;
import org.apache.xerces.xni.QName;
import org.apache.xerces.xni.XMLAttributes;
import org.apache.xerces.xni.XMLDocumentHandler;
import org.apache.xerces.xni.XMLLocator;
import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XMLString;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.parser.XMLConfigurationException;
import org.apache.xerces.xni.parser.XMLDocumentSource;
import org.apache.xerces.xni.parser.XMLParseException;
import org.apache.xerces.xs.AttributePSVI;
import org.apache.xerces.xs.ElementPSVI;
import org.apache.xerces.xs.ItemPSVI;
import org.apache.xerces.xs.PSVIProvider;
import org.apache.xerces.xs.XSTypeDefinition;
import org.w3c.dom.TypeInfo;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;
import org.xml.sax.ext.Attributes2;
import org.xml.sax.ext.EntityResolver2;
import org.xml.sax.ext.LexicalHandler;
/**
* Implementation of ValidatorHandler for W3C XML Schemas and
* also a validator helper for SAXSources.
*
* @author Kohsuke Kawaguchi ([email protected])
* @author Michael Glavassevich, IBM
*
* @version $Id: ValidatorHandlerImpl.java 932646 2010-04-09 23:30:29Z mrglavas $
*/
final class ValidatorHandlerImpl extends ValidatorHandler implements
DTDHandler, EntityState, PSVIProvider, ValidatorHelper, XMLDocumentHandler {
// feature identifiers
/** Feature identifier: namespace prefixes. */
private static final String NAMESPACE_PREFIXES =
Constants.SAX_FEATURE_PREFIX + Constants.NAMESPACE_PREFIXES_FEATURE;
/** Feature identifier: string interning. */
private static final String STRING_INTERNING =
Constants.SAX_FEATURE_PREFIX + Constants.STRING_INTERNING_FEATURE;
/** Feature identifier: strings interned. */
private static final String STRINGS_INTERNED =
Constants.XERCES_FEATURE_PREFIX + Constants.STRINGS_INTERNED_FEATURE;
// property identifiers
/** Property identifier: error reporter. */
private static final String ERROR_REPORTER =
Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_REPORTER_PROPERTY;
/** Property identifier: lexical handler. */
private static final String LEXICAL_HANDLER =
Constants.SAX_PROPERTY_PREFIX + Constants.LEXICAL_HANDLER_PROPERTY;
/** Property identifier: namespace context. */
private static final String NAMESPACE_CONTEXT =
Constants.XERCES_PROPERTY_PREFIX + Constants.NAMESPACE_CONTEXT_PROPERTY;
/** Property identifier: XML Schema validator. */
private static final String SCHEMA_VALIDATOR =
Constants.XERCES_PROPERTY_PREFIX + Constants.SCHEMA_VALIDATOR_PROPERTY;
/** Property identifier: security manager. */
private static final String SECURITY_MANAGER =
Constants.XERCES_PROPERTY_PREFIX + Constants.SECURITY_MANAGER_PROPERTY;
/** Property identifier: symbol table. */
private static final String SYMBOL_TABLE =
Constants.XERCES_PROPERTY_PREFIX + Constants.SYMBOL_TABLE_PROPERTY;
/** Property identifier: validation manager. */
private static final String VALIDATION_MANAGER =
Constants.XERCES_PROPERTY_PREFIX + Constants.VALIDATION_MANAGER_PROPERTY;
//
// Data
//
/** Error reporter. */
private final XMLErrorReporter fErrorReporter;
/** The namespace context of this document: stores namespaces in scope */
private final NamespaceContext fNamespaceContext;
/** Schema validator. **/
private final XMLSchemaValidator fSchemaValidator;
/** Symbol table **/
private final SymbolTable fSymbolTable;
/** Validation manager. */
private final ValidationManager fValidationManager;
/** Component manager. **/
private final XMLSchemaValidatorComponentManager fComponentManager;
/** XML Locator wrapper for SAX. **/
private final SAXLocatorWrapper fSAXLocatorWrapper = new SAXLocatorWrapper();
/** Flag used to track whether the namespace context needs to be pushed. */
private boolean fNeedPushNSContext = true;
/** Map for tracking unparsed entities. */
private HashMap fUnparsedEntities = null;
/** Flag used to track whether XML names and Namespace URIs have been internalized. */
private boolean fStringsInternalized = false;
/** Fields for start element, end element and characters. */
private final QName fElementQName = new QName();
private final QName fAttributeQName = new QName();
private final XMLAttributesImpl fAttributes = new XMLAttributesImpl();
private final AttributesProxy fAttrAdapter = new AttributesProxy(fAttributes);
private final XMLString fTempString = new XMLString();
//
// User Objects
//
private ContentHandler fContentHandler = null;
/*
* Constructors
*/
public ValidatorHandlerImpl(XSGrammarPoolContainer grammarContainer) {
this(new XMLSchemaValidatorComponentManager(grammarContainer));
fComponentManager.addRecognizedFeatures(new String [] {NAMESPACE_PREFIXES});
fComponentManager.setFeature(NAMESPACE_PREFIXES, false);
setErrorHandler(null);
setResourceResolver(null);
}
public ValidatorHandlerImpl(XMLSchemaValidatorComponentManager componentManager) {
fComponentManager = componentManager;
fErrorReporter = (XMLErrorReporter) fComponentManager.getProperty(ERROR_REPORTER);
fNamespaceContext = (NamespaceContext) fComponentManager.getProperty(NAMESPACE_CONTEXT);
fSchemaValidator = (XMLSchemaValidator) fComponentManager.getProperty(SCHEMA_VALIDATOR);
fSymbolTable = (SymbolTable) fComponentManager.getProperty(SYMBOL_TABLE);
fValidationManager = (ValidationManager) fComponentManager.getProperty(VALIDATION_MANAGER);
}
/*
* ValidatorHandler methods
*/
public void setContentHandler(ContentHandler receiver) {
fContentHandler = receiver;
}
public ContentHandler getContentHandler() {
return fContentHandler;
}
public void setErrorHandler(ErrorHandler errorHandler) {
fComponentManager.setErrorHandler(errorHandler);
}
public ErrorHandler getErrorHandler() {
return fComponentManager.getErrorHandler();
}
public void setResourceResolver(LSResourceResolver resourceResolver) {
fComponentManager.setResourceResolver(resourceResolver);
}
public LSResourceResolver getResourceResolver() {
return fComponentManager.getResourceResolver();
}
public TypeInfoProvider getTypeInfoProvider() {
return fTypeInfoProvider;
}
public boolean getFeature(String name)
throws SAXNotRecognizedException, SAXNotSupportedException {
if (name == null) {
throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"FeatureNameNull", null));
}
if (STRINGS_INTERNED.equals(name)) {
return fStringsInternalized;
}
try {
return fComponentManager.getFeature(name);
}
catch (XMLConfigurationException e) {
final String identifier = e.getIdentifier();
if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"feature-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"feature-not-supported", new Object [] {identifier}));
}
}
}
public void setFeature(String name, boolean value)
throws SAXNotRecognizedException, SAXNotSupportedException {
if (name == null) {
throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"FeatureNameNull", null));
}
if (STRINGS_INTERNED.equals(name)) {
fStringsInternalized = value;
return;
}
try {
fComponentManager.setFeature(name, value);
}
catch (XMLConfigurationException e) {
final String identifier = e.getIdentifier();
if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"feature-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"feature-not-supported", new Object [] {identifier}));
}
}
}
public Object getProperty(String name)
throws SAXNotRecognizedException, SAXNotSupportedException {
if (name == null) {
throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"ProperyNameNull", null));
}
try {
return fComponentManager.getProperty(name);
}
catch (XMLConfigurationException e) {
final String identifier = e.getIdentifier();
if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"property-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"property-not-supported", new Object [] {identifier}));
}
}
}
public void setProperty(String name, Object object)
throws SAXNotRecognizedException, SAXNotSupportedException {
if (name == null) {
throw new NullPointerException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"ProperyNameNull", null));
}
try {
fComponentManager.setProperty(name, object);
}
catch (XMLConfigurationException e) {
final String identifier = e.getIdentifier();
if (e.getType() == XMLConfigurationException.NOT_RECOGNIZED) {
throw new SAXNotRecognizedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"property-not-recognized", new Object [] {identifier}));
}
else {
throw new SAXNotSupportedException(
SAXMessageFormatter.formatMessage(fComponentManager.getLocale(),
"property-not-supported", new Object [] {identifier}));
}
}
}
/*
* EntityState methods
*/
public boolean isEntityDeclared(String name) {
return false;
}
public boolean isEntityUnparsed(String name) {
if (fUnparsedEntities != null) {
return fUnparsedEntities.containsKey(name);
}
return false;
}
/*
* XMLDocumentHandler methods
*/
public void startDocument(XMLLocator locator, String encoding,
NamespaceContext namespaceContext, Augmentations augs)
throws XNIException {
if (fContentHandler != null) {
try {
fContentHandler.startDocument();
}
catch (SAXException e) {
throw new XNIException(e);
}
}
}
public void xmlDecl(String version, String encoding, String standalone,
Augmentations augs) throws XNIException {}
public void doctypeDecl(String rootElement, String publicId,
String systemId, Augmentations augs) throws XNIException {}
public void comment(XMLString text, Augmentations augs) throws XNIException {}
public void processingInstruction(String target, XMLString data,
Augmentations augs) throws XNIException {
if (fContentHandler != null) {
try {
fContentHandler.processingInstruction(target, data.toString());
}
catch (SAXException e) {
throw new XNIException(e);
}
}
}
public void startElement(QName element, XMLAttributes attributes,
Augmentations augs) throws XNIException {
if (fContentHandler != null) {
try {
fTypeInfoProvider.beginStartElement(augs, attributes);
fContentHandler.startElement((element.uri != null) ? element.uri : XMLSymbols.EMPTY_STRING,
element.localpart, element.rawname, fAttrAdapter);
}
catch (SAXException e) {
throw new XNIException(e);
}
finally {
fTypeInfoProvider.finishStartElement();
}
}
}
public void emptyElement(QName element, XMLAttributes attributes,
Augmentations augs) throws XNIException {
/** Split empty element event. **/
startElement(element, attributes, augs);
endElement(element, augs);
}
public void startGeneralEntity(String name,
XMLResourceIdentifier identifier, String encoding,
Augmentations augs) throws XNIException {}
public void textDecl(String version, String encoding, Augmentations augs)
throws XNIException {}
public void endGeneralEntity(String name, Augmentations augs)
throws XNIException {}
public void characters(XMLString text, Augmentations augs)
throws XNIException {
if (fContentHandler != null) {
// if the type is union it is possible that we receive
// a character call with empty data
if (text.length == 0) {
return;
}
try {
fContentHandler.characters(text.ch, text.offset, text.length);
}
catch (SAXException e) {
throw new XNIException(e);
}
}
}
public void ignorableWhitespace(XMLString text, Augmentations augs)
throws XNIException {
if (fContentHandler != null) {
try {
fContentHandler.ignorableWhitespace(text.ch, text.offset, text.length);
}
catch (SAXException e) {
throw new XNIException(e);
}
}
}
public void endElement(QName element, Augmentations augs)
throws XNIException {
if (fContentHandler != null) {
try {
fTypeInfoProvider.beginEndElement(augs);
fContentHandler.endElement((element.uri != null) ? element.uri : XMLSymbols.EMPTY_STRING,
element.localpart, element.rawname);
}
catch (SAXException e) {
throw new XNIException(e);
}
finally {
fTypeInfoProvider.finishEndElement();
}
}
}
public void startCDATA(Augmentations augs) throws XNIException {}
public void endCDATA(Augmentations augs) throws XNIException {}
public void endDocument(Augmentations augs) throws XNIException {
if (fContentHandler != null) {
try {
fContentHandler.endDocument();
}
catch (SAXException e) {
throw new XNIException(e);
}
}
}
// NO-OP
public void setDocumentSource(XMLDocumentSource source) {}
public XMLDocumentSource getDocumentSource() {
return fSchemaValidator;
}
/*
* ContentHandler methods
*/
public void setDocumentLocator(Locator locator) {
fSAXLocatorWrapper.setLocator(locator);
if (fContentHandler != null) {
fContentHandler.setDocumentLocator(locator);
}
}
public void startDocument() throws SAXException {
fComponentManager.reset();
fSchemaValidator.setDocumentHandler(this);
fValidationManager.setEntityState(this);
fTypeInfoProvider.finishStartElement(); // cleans up TypeInfoProvider
fNeedPushNSContext = true;
if (fUnparsedEntities != null && !fUnparsedEntities.isEmpty()) {
// should only clear this if the last document contained unparsed entities
fUnparsedEntities.clear();
}
fErrorReporter.setDocumentLocator(fSAXLocatorWrapper);
try {
fSchemaValidator.startDocument(fSAXLocatorWrapper, fSAXLocatorWrapper.getEncoding(), fNamespaceContext, null);
}
catch (XMLParseException e) {
throw Util.toSAXParseException(e);
}
catch (XNIException e) {
throw Util.toSAXException(e);
}
}
public void endDocument() throws SAXException {
fSAXLocatorWrapper.setLocator(null);
try {
fSchemaValidator.endDocument(null);
}
catch (XMLParseException e) {
throw Util.toSAXParseException(e);
}
catch (XNIException e) {
throw Util.toSAXException(e);
}
}
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
String prefixSymbol;
String uriSymbol;
if (!fStringsInternalized) {
prefixSymbol = (prefix != null) ? fSymbolTable.addSymbol(prefix) : XMLSymbols.EMPTY_STRING;
uriSymbol = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;
}
else {
prefixSymbol = (prefix != null) ? prefix : XMLSymbols.EMPTY_STRING;
uriSymbol = (uri != null && uri.length() > 0) ? uri : null;
}
if (fNeedPushNSContext) {
fNeedPushNSContext = false;
fNamespaceContext.pushContext();
}
fNamespaceContext.declarePrefix(prefixSymbol, uriSymbol);
if (fContentHandler != null) {
fContentHandler.startPrefixMapping(prefix, uri);
}
}
public void endPrefixMapping(String prefix) throws SAXException {
if (fContentHandler != null) {
fContentHandler.endPrefixMapping(prefix);
}
}
public void startElement(String uri, String localName, String qName,
Attributes atts) throws SAXException {
if (fNeedPushNSContext) {
fNamespaceContext.pushContext();
}
fNeedPushNSContext = true;
// Fill element QName
fillQName(fElementQName, uri, localName, qName);
// Fill XMLAttributes
if (atts instanceof Attributes2) {
fillXMLAttributes2((Attributes2) atts);
}
else {
fillXMLAttributes(atts);
}
try {
fSchemaValidator.startElement(fElementQName, fAttributes, null);
}
catch (XMLParseException e) {
throw Util.toSAXParseException(e);
}
catch (XNIException e) {
throw Util.toSAXException(e);
}
}
public void endElement(String uri, String localName, String qName)
throws SAXException {
fillQName(fElementQName, uri, localName, qName);
try {
fSchemaValidator.endElement(fElementQName, null);
}
catch (XMLParseException e) {
throw Util.toSAXParseException(e);
}
catch (XNIException e) {
throw Util.toSAXException(e);
}
finally {
fNamespaceContext.popContext();
}
}
public void characters(char[] ch, int start, int length)
throws SAXException {
try {
fTempString.setValues(ch, start, length);
fSchemaValidator.characters(fTempString, null);
}
catch (XMLParseException e) {
throw Util.toSAXParseException(e);
}
catch (XNIException e) {
throw Util.toSAXException(e);
}
}
public void ignorableWhitespace(char[] ch, int start, int length)
throws SAXException {
try {
fTempString.setValues(ch, start, length);
fSchemaValidator.ignorableWhitespace(fTempString, null);
}
catch (XMLParseException e) {
throw Util.toSAXParseException(e);
}
catch (XNIException e) {
throw Util.toSAXException(e);
}
}
public void processingInstruction(String target, String data)
throws SAXException {
/**
* Processing instructions do not participate in schema validation,
* so just forward the event to the application's content
* handler.
*/
if (fContentHandler != null) {
fContentHandler.processingInstruction(target, data);
}
}
public void skippedEntity(String name) throws SAXException {
// there seems to be no corresponding method on XMLDocumentFilter.
// just pass it down to the output, if any.
if (fContentHandler != null) {
fContentHandler.skippedEntity(name);
}
}
/*
* DTDHandler methods
*/
public void notationDecl(String name, String publicId,
String systemId) throws SAXException {}
public void unparsedEntityDecl(String name, String publicId,
String systemId, String notationName) throws SAXException {
if (fUnparsedEntities == null) {
fUnparsedEntities = new HashMap();
}
fUnparsedEntities.put(name, name);
}
/*
* ValidatorHelper methods
*/
public void validate(Source source, Result result)
throws SAXException, IOException {
if (result instanceof SAXResult || result == null) {
final SAXSource saxSource = (SAXSource) source;
final SAXResult saxResult = (SAXResult) result;
LexicalHandler lh = null;
if (result != null) {
ContentHandler ch = saxResult.getHandler();
lh = saxResult.getLexicalHandler();
/** If the lexical handler is not set try casting the ContentHandler. **/
if (lh == null && ch instanceof LexicalHandler) {
lh = (LexicalHandler) ch;
}
setContentHandler(ch);
}
XMLReader reader = null;
try {
reader = saxSource.getXMLReader();
if (reader == null) {
// create one now
SAXParserFactory spf = SAXParserFactory.newInstance();
spf.setNamespaceAware(true);
try {
reader = spf.newSAXParser().getXMLReader();
// If this is a Xerces SAX parser, set the security manager if there is one
if (reader instanceof org.apache.xerces.parsers.SAXParser) {
Object securityManager = fComponentManager.getProperty(SECURITY_MANAGER);
if (securityManager != null) {
try {
reader.setProperty(SECURITY_MANAGER, securityManager);
}
// Ignore the exception if the security manager cannot be set.
catch (SAXException exc) {}
}
}
}
catch (Exception e) {
// this is impossible, but better safe than sorry
throw new FactoryConfigurationError(e);
}
}
// If XML names and Namespace URIs are already internalized we
// can avoid running them through the SymbolTable.
try {
fStringsInternalized = reader.getFeature(STRING_INTERNING);
}
catch (SAXException exc) {
// The feature isn't recognized or getting it is not supported.
// In either case, assume that strings are not internalized.
fStringsInternalized = false;
}
ErrorHandler errorHandler = fComponentManager.getErrorHandler();
reader.setErrorHandler(errorHandler != null ? errorHandler : DraconianErrorHandler.getInstance());
reader.setEntityResolver(fResolutionForwarder);
fResolutionForwarder.setEntityResolver(fComponentManager.getResourceResolver());
reader.setContentHandler(this);
reader.setDTDHandler(this);
try {
reader.setProperty(LEXICAL_HANDLER, lh);
}
// Ignore the exception if the lexical handler cannot be set.
catch (SAXException exc) {}
InputSource is = saxSource.getInputSource();
reader.parse(is);
}
finally {
// Release the reference to user's ContentHandler ASAP
setContentHandler(null);
// Disconnect the validator and other objects from the XMLReader
if (reader != null) {
try {
reader.setContentHandler(null);
reader.setDTDHandler(null);
reader.setErrorHandler(null);
reader.setEntityResolver(null);
fResolutionForwarder.setEntityResolver(null);
reader.setProperty(LEXICAL_HANDLER, null);
}
// Ignore the exception if the lexical handler cannot be unset.
catch (Exception exc) {}
}
}
return;
}
throw new IllegalArgumentException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"SourceResultMismatch",
new Object [] {source.getClass().getName(), result.getClass().getName()}));
}
/*
* PSVIProvider methods
*/
public ElementPSVI getElementPSVI() {
return fTypeInfoProvider.getElementPSVI();
}
public AttributePSVI getAttributePSVI(int index) {
return fTypeInfoProvider.getAttributePSVI(index);
}
public AttributePSVI getAttributePSVIByName(String uri, String localname) {
return fTypeInfoProvider.getAttributePSVIByName(uri, localname);
}
//
//
// helper methods
//
//
/** Fills in a QName object. */
private void fillQName(QName toFill, String uri, String localpart, String raw) {
if (!fStringsInternalized) {
uri = (uri != null && uri.length() > 0) ? fSymbolTable.addSymbol(uri) : null;
localpart = (localpart != null) ? fSymbolTable.addSymbol(localpart) : XMLSymbols.EMPTY_STRING;
raw = (raw != null) ? fSymbolTable.addSymbol(raw) : XMLSymbols.EMPTY_STRING;
}
else {
if (uri != null && uri.length() == 0) {
uri = null;
}
if (localpart == null) {
localpart = XMLSymbols.EMPTY_STRING;
}
if (raw == null) {
raw = XMLSymbols.EMPTY_STRING;
}
}
String prefix = XMLSymbols.EMPTY_STRING;
int prefixIdx = raw.indexOf(':');
if (prefixIdx != -1) {
prefix = fSymbolTable.addSymbol(raw.substring(0, prefixIdx));
}
toFill.setValues(prefix, localpart, raw, uri);
}
/** Fills in the XMLAttributes object. */
private void fillXMLAttributes(Attributes att) {
fAttributes.removeAllAttributes();
final int len = att.getLength();
for (int i = 0; i < len; ++i) {
fillXMLAttribute(att, i);
fAttributes.setSpecified(i, true);
}
}
/** Fills in the XMLAttributes object. */
private void fillXMLAttributes2(Attributes2 att) {
fAttributes.removeAllAttributes();
final int len = att.getLength();
for (int i = 0; i < len; ++i) {
fillXMLAttribute(att, i);
fAttributes.setSpecified(i, att.isSpecified(i));
if (att.isDeclared(i)) {
fAttributes.getAugmentations(i).putItem(Constants.ATTRIBUTE_DECLARED, Boolean.TRUE);
}
}
}
/** Adds an attribute to the XMLAttributes object. */
private void fillXMLAttribute(Attributes att, int index) {
fillQName(fAttributeQName, att.getURI(index), att.getLocalName(index), att.getQName(index));
String type = att.getType(index);
fAttributes.addAttributeNS(fAttributeQName, (type != null) ? type : XMLSymbols.fCDATASymbol, att.getValue(index));
}
/**
* {@link TypeInfoProvider} implementation.
*
* REVISIT: I'm not sure if this code should belong here.
*/
private final XMLSchemaTypeInfoProvider fTypeInfoProvider = new XMLSchemaTypeInfoProvider();
private class XMLSchemaTypeInfoProvider extends TypeInfoProvider {
/** Element augmentations: contains ElementPSVI. **/
private Augmentations fElementAugs;
/** Attributes: augmentations for each attribute contain AttributePSVI. **/
private XMLAttributes fAttributes;
/** In start element. **/
private boolean fInStartElement = false;
private boolean fInEndElement = false;
/** Initializes the TypeInfoProvider with type information for the current element. **/
void beginStartElement(Augmentations elementAugs, XMLAttributes attributes) {
fInStartElement = true;
fElementAugs = elementAugs;
fAttributes = attributes;
}
/** Cleanup at the end of start element. **/
void finishStartElement() {
fInStartElement = false;
fElementAugs = null;
fAttributes = null;
}
/** Initializes the TypeInfoProvider with type information for the current element. **/
void beginEndElement(Augmentations elementAugs) {
fInEndElement = true;
fElementAugs = elementAugs;
}
/** Cleanup at the end of end element. **/
void finishEndElement() {
fInEndElement = false;
fElementAugs = null;
}
/**
* Throws a {@link IllegalStateException} if we are not in
* the startElement callback. the JAXP API requires this
* for most of the public methods which access attribute
* type information.
*/
private void checkStateAttribute() {
if (!fInStartElement) {
throw new IllegalStateException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"TypeInfoProviderIllegalStateAttribute", null));
}
}
/**
* Throws a {@link IllegalStateException} if we are not in
* the startElement or endElement callbacks. the JAXP API requires
* this for the public methods which access element type information.
*/
private void checkStateElement() {
if (!fInStartElement && !fInEndElement) {
throw new IllegalStateException(JAXPValidationMessageFormatter.formatMessage(fComponentManager.getLocale(),
"TypeInfoProviderIllegalStateElement", null));
}
}
public TypeInfo getAttributeTypeInfo(int index) {
checkStateAttribute();
return getAttributeType(index);
}
private TypeInfo getAttributeType( int index ) {
checkStateAttribute();
if (index < 0 || fAttributes.getLength() <= index) {
throw new IndexOutOfBoundsException(Integer.toString(index));
}
Augmentations augs = fAttributes.getAugmentations(index);
if (augs == null) {
return null;
}
AttributePSVI psvi = (AttributePSVI)augs.getItem(Constants.ATTRIBUTE_PSVI);
return getTypeInfoFromPSVI(psvi);
}
public TypeInfo getAttributeTypeInfo(String attributeUri, String attributeLocalName) {
checkStateAttribute();
return getAttributeTypeInfo(fAttributes.getIndex(attributeUri,attributeLocalName));
}
public TypeInfo getAttributeTypeInfo(String attributeQName) {
checkStateAttribute();
return getAttributeTypeInfo(fAttributes.getIndex(attributeQName));
}
public TypeInfo getElementTypeInfo() {
checkStateElement();
if (fElementAugs == null) {
return null;
}
ElementPSVI psvi = (ElementPSVI)fElementAugs.getItem(Constants.ELEMENT_PSVI);
return getTypeInfoFromPSVI(psvi);
}
private TypeInfo getTypeInfoFromPSVI(ItemPSVI psvi) {
if (psvi == null) {
return null;
}
// TODO: make sure if this is correct.
// TODO: since the number of types in a schema is quite limited,
// TypeInfoImpl should be pooled. Even better, it should be a part
// of the element decl.
if (psvi.getValidity() == ItemPSVI.VALIDITY_VALID) {
XSTypeDefinition t = psvi.getMemberTypeDefinition();
if (t != null) {
return (t instanceof TypeInfo) ? (TypeInfo) t : null;
}
}
XSTypeDefinition t = psvi.getTypeDefinition();
// TODO: can t be null?
if (t != null) {
return (t instanceof TypeInfo) ? (TypeInfo) t : null;
}
return null;
}
public boolean isIdAttribute(int index) {
checkStateAttribute();
XSSimpleType type = (XSSimpleType)getAttributeType(index);
if (type == null) {
return false;
}
return type.isIDType();
}
public boolean isSpecified(int index) {
checkStateAttribute();
return fAttributes.isSpecified(index);
}
/*
* Other methods
*/
// PSVIProvider support
ElementPSVI getElementPSVI() {
return (fElementAugs != null) ? (ElementPSVI) fElementAugs.getItem(Constants.ELEMENT_PSVI) : null;
}
AttributePSVI getAttributePSVI(int index) {
if (fAttributes != null) {
Augmentations augs = fAttributes.getAugmentations(index);
if (augs != null) {
return (AttributePSVI) augs.getItem(Constants.ATTRIBUTE_PSVI);
}
}
return null;
}
AttributePSVI getAttributePSVIByName(String uri, String localname) {
if (fAttributes != null) {
Augmentations augs = fAttributes.getAugmentations(uri, localname);
if (augs != null) {
return (AttributePSVI) augs.getItem(Constants.ATTRIBUTE_PSVI);
}
}
return null;
}
}
/** SAX adapter for an LSResourceResolver. */
private final ResolutionForwarder fResolutionForwarder = new ResolutionForwarder(null);
static final class ResolutionForwarder
implements EntityResolver2 {
//
// Data
//
/** XML 1.0 type constant according to DOM L3 LS REC spec "http://www.w3.org/TR/2004/REC-DOM-Level-3-LS-20040407/" */
private static final String XML_TYPE = "http://www.w3.org/TR/REC-xml";
/** The DOM entity resolver. */
protected LSResourceResolver fEntityResolver;
//
// Constructors
//
/** Default constructor. */
public ResolutionForwarder() {}
/** Wraps the specified DOM entity resolver. */
public ResolutionForwarder(LSResourceResolver entityResolver) {
setEntityResolver(entityResolver);
}
//
// Public methods
//
/** Sets the DOM entity resolver. */
public void setEntityResolver(LSResourceResolver entityResolver) {
fEntityResolver = entityResolver;
} // setEntityResolver(LSResourceResolver)
/** Returns the DOM entity resolver. */
public LSResourceResolver getEntityResolver() {
return fEntityResolver;
} // getEntityResolver():LSResourceResolver
/**
* Always returns null. An LSResourceResolver has no corresponding method.
*/
public InputSource getExternalSubset(String name, String baseURI)
throws SAXException, IOException {
return null;
}
/**
* Resolves the given resource and adapts the LSInput
* returned into an InputSource.
*/
public InputSource resolveEntity(String name, String publicId,
String baseURI, String systemId) throws SAXException, IOException {
if (fEntityResolver != null) {
LSInput lsInput = fEntityResolver.resolveResource(XML_TYPE, null, publicId, systemId, baseURI);
if (lsInput != null) {
final String pubId = lsInput.getPublicId();
final String sysId = lsInput.getSystemId();
final String baseSystemId = lsInput.getBaseURI();
final Reader charStream = lsInput.getCharacterStream();
final InputStream byteStream = lsInput.getByteStream();
final String data = lsInput.getStringData();
final String encoding = lsInput.getEncoding();
/**
* An LSParser looks at inputs specified in LSInput in
* the following order: characterStream, byteStream,
* stringData, systemId, publicId. For consistency
* with the DOM Level 3 Load and Save Recommendation
* use the same lookup order here.
*/
InputSource inputSource = new InputSource();
inputSource.setPublicId(pubId);
inputSource.setSystemId((baseSystemId != null) ? resolveSystemId(sysId, baseSystemId) : sysId);
if (charStream != null) {
inputSource.setCharacterStream(charStream);
}
else if (byteStream != null) {
inputSource.setByteStream(byteStream);
}
else if (data != null && data.length() != 0) {
inputSource.setCharacterStream(new StringReader(data));
}
inputSource.setEncoding(encoding);
return inputSource;
}
}
return null;
}
/** Delegates to EntityResolver2.resolveEntity(String, String, String, String). */
public InputSource resolveEntity(String publicId, String systemId)
throws SAXException, IOException {
return resolveEntity(null, publicId, null, systemId);
}
/** Resolves a system identifier against a base URI. */
private String resolveSystemId(String systemId, String baseURI) {
try {
return XMLEntityManager.expandSystemId(systemId, baseURI, false);
}
// In the event that resolution failed against the
// base URI, just return the system id as is. There's not
// much else we can do.
catch (URI.MalformedURIException ex) {
return systemId;
}
}
}
}