diff options
Diffstat (limited to 'java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java')
| -rw-r--r-- | java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java b/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java deleted file mode 100644 index 59fa5990d6..0000000000 --- a/java/sca/modules/contribution/src/main/java/org/apache/tuscany/sca/contribution/processor/DefaultValidatingXMLInputFactory.java +++ /dev/null @@ -1,435 +0,0 @@ -/* - * 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.tuscany.sca.contribution.processor; - -import java.io.IOException; -import java.io.InputStream; -import java.io.Reader; -import java.io.StringReader; -import java.net.URL; -import java.security.AccessController; -import java.security.PrivilegedActionException; -import java.security.PrivilegedExceptionAction; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.HashSet; -import java.util.List; -import java.util.Map; - -import javax.xml.XMLConstants; -import javax.xml.namespace.QName; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.parsers.ParserConfigurationException; -import javax.xml.parsers.SAXParserFactory; -import javax.xml.stream.EventFilter; -import javax.xml.stream.StreamFilter; -import javax.xml.stream.XMLEventReader; -import javax.xml.stream.XMLInputFactory; -import javax.xml.stream.XMLReporter; -import javax.xml.stream.XMLResolver; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.util.XMLEventAllocator; -import javax.xml.transform.Source; -import javax.xml.transform.TransformerFactory; -import javax.xml.transform.sax.SAXSource; -import javax.xml.validation.Schema; -import javax.xml.validation.SchemaFactory; - -import org.apache.tuscany.sca.assembly.xsd.Constants; -import org.apache.tuscany.sca.common.xml.XMLDocumentHelper; -import org.apache.tuscany.sca.common.xml.stax.StAXHelper; -import org.apache.tuscany.sca.core.DefaultExtensionPointRegistry; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.extensibility.ClassLoaderContext; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.MonitorFactory; -import org.w3c.dom.DOMImplementation; -import org.w3c.dom.ls.DOMImplementationLS; -import org.w3c.dom.ls.LSInput; -import org.w3c.dom.ls.LSResourceResolver; -import org.xml.sax.InputSource; -import org.xml.sax.SAXException; - -/** - * Default implementation of an XMLInputFactory that creates validating - * XMLStreamReaders. - * - * @version $Rev$ $Date$ - */ -public class DefaultValidatingXMLInputFactory extends ValidatingXMLInputFactory implements LSResourceResolver { - private ExtensionPointRegistry registry; - private XMLInputFactory inputFactory; - private DocumentBuilderFactory documentBuilderFactory; - private DOMImplementationLS ls; - private ValidationSchemaExtensionPoint schemas; - private MonitorFactory monitorFactory; - private boolean initialized; - private boolean hasSchemas; - private Schema aggregatedSchema; - private StAXHelper helper; - - public DefaultValidatingXMLInputFactory(ExtensionPointRegistry registry) { - this.registry = registry; - FactoryExtensionPoint factoryExtensionPoint = registry.getExtensionPoint(FactoryExtensionPoint.class); - this.inputFactory = factoryExtensionPoint.getFactory(XMLInputFactory.class); - this.documentBuilderFactory = factoryExtensionPoint.getFactory(DocumentBuilderFactory.class); - this.schemas = registry.getExtensionPoint(ValidationSchemaExtensionPoint.class); - this.monitorFactory = - registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(MonitorFactory.class); - this.helper = StAXHelper.getInstance(registry); - } - - /** - * Constructs a new XMLInputFactory. - * - * @param inputFactory - * @param schemas - */ - // FOR Test only - public DefaultValidatingXMLInputFactory(XMLInputFactory inputFactory, ValidationSchemaExtensionPoint schemas) { - this.inputFactory = inputFactory; - this.schemas = schemas; - this.registry = new DefaultExtensionPointRegistry(); - } - - - /** - * Report a exception. - * - * @param problems - * @param message - * @param model - */ - private void error(Monitor monitor, String message, Object model, Throwable ex) { - Monitor.error(monitor, this, "contribution-validation-messages", message, ex); - } - - private void warn(Monitor monitor, String message, Object model, Throwable ex) { - Monitor.warning(monitor, this, "contribution-validation-messages", message, ex); - } - - public static final QName XSD = new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "schema"); - - private Collection<? extends Source> aggregate(URL... urls) throws IOException, XMLStreamException { - if (urls.length == 1) { - return Collections.singletonList(new SAXSource(XMLDocumentHelper.getInputSource(urls[0]))); - } - Map<String, Collection<URL>> map = new HashMap<String, Collection<URL>>(); - - for (URL url : urls) { - String tns = helper.readAttribute(url, XSD, "targetNamespace"); - Collection<URL> collection = map.get(tns); - if (collection == null) { - collection = new HashSet<URL>(); - map.put(tns, collection); - } - collection.add(url); - } - List<Source> sources = new ArrayList<Source>(); - for (Map.Entry<String, Collection<URL>> e : map.entrySet()) { - if (e.getValue().size() == 1) { - sources.add(new SAXSource(XMLDocumentHelper.getInputSource(e.getValue().iterator().next()))); - } else { - StringBuffer xsd = new StringBuffer("<schema xmlns=\"http://www.w3.org/2001/XMLSchema\""); - if (e.getKey() != null) { - xsd.append(" targetNamespace=\"").append(e.getKey()).append("\""); - } - xsd.append(">"); - for (URL url : e.getValue()) { - xsd.append("<include schemaLocation=\"").append(url).append("\"/>"); - } - xsd.append("</schema>"); - SAXSource source = new SAXSource(new InputSource(new StringReader(xsd.toString()))); - sources.add(source); - } - } - return sources; - } - - /** - * Initialize the registered schemas and create an aggregated schema for - * validation. - * @param monitor TODO - */ - private synchronized void initializeSchemas(Monitor monitor) { - if (initialized) { - return; - } - initialized = true; - - // Load the XSDs registered in the validation schema extension point - try { - List<String> uris = schemas.getSchemas(); - int n = uris.size(); - if (n ==0) { - return; - } else { - hasSchemas = true; - } - - URL[] urls = new URL[uris.size()]; - for (int i = 0; i < urls.length; i++) { - urls[i] = new URL(uris.get(i)); - } - final Collection<? extends Source> sources = aggregate(urls); - - final SchemaFactory schemaFactory = newSchemaFactory(); - DOMImplementation impl = null; - try { - impl = documentBuilderFactory.newDocumentBuilder().getDOMImplementation(); - } catch (ParserConfigurationException e) { - // Ignore - } - if (impl instanceof DOMImplementationLS) { - ls = (DOMImplementationLS)impl; - schemaFactory.setResourceResolver(this); - } - // Allow privileged access to check files. Requires FilePermission - // in security policy. - try { - aggregatedSchema = AccessController.doPrivileged(new PrivilegedExceptionAction<Schema>() { - public Schema run() throws SAXException { - return schemaFactory.newSchema(sources.toArray(new Source[sources.size()])); - } - }); - } catch (PrivilegedActionException e) { - warn(monitor, "PrivilegedActionException", schemaFactory, (SAXException)e.getException()); - hasSchemas = false; - throw (SAXException)e.getException(); - } - - } catch (SAXException e) { -// IllegalStateException ie = new IllegalStateException(e); -// error("IllegalStateException", schemas, ie); -// throw ie; - } catch (Throwable e) { - //FIXME Log this, some old JDKs don't support XMLSchema validation - warn(monitor, e.getMessage(), schemas, e); - hasSchemas = false; - } - } - - /** - * For OSGi: - * Create a SchemaFactory in the context of service provider classloaders - * @return - */ - private SchemaFactory newSchemaFactory() { - ClassLoader cl = - ClassLoaderContext.setContextClassLoader(getClass().getClassLoader(), - registry.getServiceDiscovery(), - SchemaFactory.class, - TransformerFactory.class, - SAXParserFactory.class, - DocumentBuilderFactory.class - ); - try { - // Create an aggregated validation schemas from all the XSDs - return SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI); - } finally { - if (cl != null) { - Thread.currentThread().setContextClassLoader(cl); - } - } - } - - @Override - public XMLEventReader createFilteredReader(XMLEventReader arg0, EventFilter arg1) throws XMLStreamException { - return inputFactory.createFilteredReader(arg0, arg1); - } - - @Override - public XMLStreamReader createFilteredReader(XMLStreamReader arg0, StreamFilter arg1) throws XMLStreamException { - return inputFactory.createFilteredReader(arg0, arg1); - } - - @Override - public XMLEventReader createXMLEventReader(InputStream arg0, String arg1) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0, arg1); - } - - @Override - public XMLEventReader createXMLEventReader(InputStream arg0) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0); - } - - @Override - public XMLEventReader createXMLEventReader(Reader arg0) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0); - } - - @Override - public XMLEventReader createXMLEventReader(Source arg0) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0); - } - - @Override - public XMLEventReader createXMLEventReader(String arg0, InputStream arg1) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0, arg1); - } - - @Override - public XMLEventReader createXMLEventReader(String arg0, Reader arg1) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0, arg1); - } - - @Override - public XMLEventReader createXMLEventReader(XMLStreamReader arg0) throws XMLStreamException { - return inputFactory.createXMLEventReader(arg0); - } - - @Override - public XMLStreamReader createXMLStreamReader(InputStream arg0, String arg1) throws XMLStreamException { - Monitor monitor = monitorFactory.getContextMonitor(); - initializeSchemas(monitor); - if (hasSchemas) { - return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor); - }else { - return inputFactory.createXMLStreamReader(arg0, arg1); - } - } - - @Override - public XMLStreamReader createXMLStreamReader(InputStream arg0) throws XMLStreamException { - Monitor monitor = monitorFactory.getContextMonitor(); - initializeSchemas(monitor); - if (hasSchemas) { - return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor); - } else { - return inputFactory.createXMLStreamReader(arg0); - } - } - - @Override - public XMLStreamReader createXMLStreamReader(Reader arg0) throws XMLStreamException { - Monitor monitor = monitorFactory.getContextMonitor(); - initializeSchemas(monitor); - if (hasSchemas) { - return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor); - } else { - return inputFactory.createXMLStreamReader(arg0); - } - } - - @Override - public XMLStreamReader createXMLStreamReader(Source arg0) throws XMLStreamException { - Monitor monitor = monitorFactory.getContextMonitor(); - initializeSchemas(monitor); - if (hasSchemas) { - return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0), aggregatedSchema, monitor); - } else { - return inputFactory.createXMLStreamReader(arg0); - } - } - - @Override - public XMLStreamReader createXMLStreamReader(String arg0, InputStream arg1) throws XMLStreamException { - Monitor monitor = monitorFactory.getContextMonitor(); - initializeSchemas(monitor); - if (hasSchemas) { - return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor); - } else { - return inputFactory.createXMLStreamReader(arg0, arg1); - } - } - - @Override - public XMLStreamReader createXMLStreamReader(String arg0, Reader arg1) throws XMLStreamException { - Monitor monitor = monitorFactory.getContextMonitor(); - initializeSchemas(monitor); - if (hasSchemas) { - return new ValidatingXMLStreamReader(inputFactory.createXMLStreamReader(arg0, arg1), aggregatedSchema, monitor); - } else { - return inputFactory.createXMLStreamReader(arg0, arg1); - } - } - - @Override - public XMLEventAllocator getEventAllocator() { - return inputFactory.getEventAllocator(); - } - - @Override - public Object getProperty(String arg0) throws IllegalArgumentException { - return inputFactory.getProperty(arg0); - } - - @Override - public XMLReporter getXMLReporter() { - return inputFactory.getXMLReporter(); - } - - @Override - public XMLResolver getXMLResolver() { - return inputFactory.getXMLResolver(); - } - - @Override - public boolean isPropertySupported(String arg0) { - return inputFactory.isPropertySupported(arg0); - } - - @Override - public void setEventAllocator(XMLEventAllocator arg0) { - inputFactory.setEventAllocator(arg0); - } - - @Override - public void setProperty(String arg0, Object arg1) throws IllegalArgumentException { - inputFactory.setProperty(arg0, arg1); - } - - @Override - public void setXMLReporter(XMLReporter arg0) { - inputFactory.setXMLReporter(arg0); - } - - @Override - public void setXMLResolver(XMLResolver arg0) { - inputFactory.setXMLResolver(arg0); - } - - public LSInput resolveResource(String type, String namespaceURI, String publicId, String systemId, String baseURI) { - String key = null; - if("http://www.w3.org/2001/XMLSchema".equals(type)) { - key = namespaceURI; - } else if("http://www.w3.org/TR/REC-xml".equals(type)) { - key = publicId; - } - URL url = Constants.CACHED_XSDS.get(key); - if (url != null && !Constants.SCA11_NS.equals(namespaceURI)) { - systemId = url.toString(); - } else if (url != null && systemId == null) { - systemId = url.toString(); - } - - LSInput input = ls.createLSInput(); - input.setBaseURI(baseURI); - input.setPublicId(publicId); - input.setSystemId(systemId); - return input; - } - -} |