diff options
Diffstat (limited to 'java/sca/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java')
| -rw-r--r-- | java/sca/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/java/sca/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java b/java/sca/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java deleted file mode 100644 index 2ae37bc520..0000000000 --- a/java/sca/modules/xsd/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java +++ /dev/null @@ -1,343 +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.xsd.xml; - -import java.io.IOException; -import java.net.URI; -import java.net.URISyntaxException; -import java.net.URL; -import java.util.ArrayList; -import java.util.Collections; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.apache.tuscany.sca.common.xml.XMLDocumentHelper; -import org.apache.tuscany.sca.contribution.Artifact; -import org.apache.tuscany.sca.contribution.Contribution; -import org.apache.tuscany.sca.contribution.DefaultImport; -import org.apache.tuscany.sca.contribution.Import; -import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; -import org.apache.tuscany.sca.contribution.processor.ContributionRuntimeException; -import org.apache.tuscany.sca.contribution.processor.ProcessorContext; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.xsd.DefaultXSDFactory; -import org.apache.tuscany.sca.xsd.XSDFactory; -import org.apache.tuscany.sca.xsd.XSDefinition; -import org.apache.tuscany.sca.xsd.impl.XSDefinitionImpl; -import org.apache.ws.commons.schema.XmlSchema; -import org.apache.ws.commons.schema.XmlSchemaCollection; -import org.apache.ws.commons.schema.XmlSchemaInclude; -import org.apache.ws.commons.schema.resolver.URIResolver; -import org.xml.sax.InputSource; - -/** - * A Model Resolver for XSD models. - * - * @version $Rev$ $Date$ - */ -public class XSDModelResolver implements ModelResolver { - private static final String AGGREGATED_XSD = "http://tuscany.apache.org/aggregated.xsd"; - private XSDFactory factory; - private Contribution contribution; - private Map<String, List<XSDefinition>> map = new HashMap<String, List<XSDefinition>>(); - private XmlSchemaCollection schemaCollection; - - public XSDModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) { - this.contribution = contribution; - this.schemaCollection = new XmlSchemaCollection(); - this.factory = new DefaultXSDFactory(); - } - - public void addModel(Object resolved, ProcessorContext context) { - XSDefinition definition = (XSDefinition)resolved; - List<XSDefinition> list = map.get(definition.getNamespace()); - if (list == null) { - list = new ArrayList<XSDefinition>(); - map.put(definition.getNamespace(), list); - } - list.add(definition); - } - - public Object removeModel(Object resolved, ProcessorContext context) { - XSDefinition definition = (XSDefinition)resolved; - List<XSDefinition> list = map.get(definition.getNamespace()); - if (list == null) { - return null; - } else { - return list.remove(definition); - } - } - - public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { - schemaCollection.setSchemaResolver(new URIResolverImpl(contribution, context)); - XSDefinition definition = (XSDefinition)unresolved; - String namespace = definition.getNamespace(); - XSDefinition resolved = null; - - // Lookup a definition for the given namespace, within the contribution - List<XSDefinition> list = map.get(namespace); - XSDefinition modelXSD = null; - if (list != null && definition.getDocument() != null) { - // Set the document for the inline schema - int index = list.indexOf(definition); - if (index != -1) { // a matching (not identical) document was found - modelXSD = list.get(index); - modelXSD.setDocument(definition.getDocument()); - } - } - if (list == null && definition.getDocument() != null) { - // Hit for the 1st time - list = new ArrayList<XSDefinition>(); - list.add(definition); - map.put(namespace, list); - } - try { - resolved = aggregate(list); - } catch (IOException e) { - throw new ContributionRuntimeException(e); - } - if (resolved != null && !resolved.isUnresolved()) { - if (definition.isUnresolved() && definition.getSchema() == null && modelXSD != null) { - // Update the unresolved model with schema information and mark it - // resolved. This information in the unresolved model is needed when - // this method is called by WSDLModelResolver.readInlineSchemas(). - definition.setSchema(modelXSD.getSchema()); - definition.setSchemaCollection(modelXSD.getSchemaCollection()); - definition.setUnresolved(false); - } - return modelClass.cast(resolved); - } - - return modelClass.cast(unresolved); - } - - private void loadOnDemand(XSDefinition definition) throws IOException { - if (definition.getSchema() != null) { - return; - } - if (definition.getDocument() != null) { - String uri = null; - if (definition.getLocation() != null) { - uri = definition.getLocation().toString(); - } - XmlSchema schema = null; - try { - schema = schemaCollection.read(definition.getDocument(), uri, null); - } catch (RuntimeException e) { - // find original cause of the problem - Throwable cause = e; - while (cause.getCause() != null && cause != cause.getCause()) { - cause = cause.getCause(); - } - throw new ContributionRuntimeException(cause); - } - definition.setSchemaCollection(schemaCollection); - definition.setSchema(schema); - definition.setUnresolved(false); - } else if (definition.getLocation() != null) { - if (definition.getLocation().getFragment() != null) { - // It's an inline schema - return; - } - // Read an XSD document - XmlSchema schema = null; - for (XmlSchema d : schemaCollection.getXmlSchemas()) { - if (isSameNamespace(d.getTargetNamespace(), definition.getNamespace())) { - if (d.getSourceURI().equals(definition.getLocation().toString())) { - schema = d; - break; - } - } - } - if (schema == null) { - InputSource xsd = null; - try { - xsd = XMLDocumentHelper.getInputSource(definition.getLocation().toURL()); - } catch (IOException e) { - throw new ContributionRuntimeException(e); - } - - try { - schema = schemaCollection.read(xsd, null); - } catch (RuntimeException e) { - // find original cause of the problem - Throwable cause = e; - while (cause.getCause() != null && cause != cause.getCause()) { - cause = cause.getCause(); - } - throw new ContributionRuntimeException(cause); - } - } - definition.setSchemaCollection(schemaCollection); - definition.setSchema(schema); - } - } - - private boolean isSameNamespace(String ns1, String ns2) { - if (ns1 == null) { - return ns2 == null; - } else { - return ns1.equals(ns2); - } - } - /** - * Create a facade XmlSchema which includes all the definitions - * - * @param definitions A list of the XmlSchema under the same target - * namespace - * @return The aggregated XmlSchema - */ - private XSDefinition aggregate(List<XSDefinition> definitions) throws IOException { - if (definitions == null || definitions.size() == 0) { - return null; - } - if (definitions.size() == 1) { - XSDefinition d = definitions.get(0); - loadOnDemand(d); - return d; - } - XSDefinition aggregated = factory.createXSDefinition(); - for (XSDefinition d : definitions) { - loadOnDemand(d); - } - String ns = definitions.get(0).getNamespace(); - - XmlSchema facade = null; - // Check if the facade XSD is already in the collection - for (XmlSchema s : schemaCollection.getXmlSchema(AGGREGATED_XSD)) { - if (ns.equals(s.getTargetNamespace())) { - facade = s; - break; - } - } - if (facade == null) { - // This will add the facade into the collection - facade = new XmlSchema(ns, AGGREGATED_XSD, schemaCollection); - } - - for (XmlSchema d : schemaCollection.getXmlSchemas()) { - if (ns.equals(d.getTargetNamespace())) { - if (d == facade) { - continue; - } - XmlSchemaInclude include = new XmlSchemaInclude(); - include.setSchema(d); - include.setSourceURI(d.getSourceURI()); - include.setSchemaLocation(d.getSourceURI()); - facade.getIncludes().add(include); - facade.getItems().add(include); - } - } - aggregated.setUnresolved(true); - aggregated.setSchema(facade); - aggregated.setNamespace(ns); - aggregated.setAggregatedDefinitions(definitions); - aggregated.setUnresolved(false); - - // FIXME: [rfeng] This is hacky - //definitions.clear(); - //definitions.add(aggregated); - return aggregated; - } - - /** - * URI resolver implementation for XML schema - */ - public static class URIResolverImpl implements URIResolver { - private Contribution contribution; - private ProcessorContext context; - - public URIResolverImpl(Contribution contribution, ProcessorContext context) { - this.contribution = contribution; - this.context = context; - } - - public org.xml.sax.InputSource resolveEntity(java.lang.String targetNamespace, - java.lang.String schemaLocation, - java.lang.String baseUri) { - try { - if (schemaLocation == null) { - return null; - } - URL url = null; - - // Delegate the resolution to namespace imports - XSDefinition resolved = null; - XSDefinition unresolved = new XSDefinitionImpl(); - unresolved.setUnresolved(true); - unresolved.setLocation(new URI(schemaLocation)); - unresolved.setNamespace(targetNamespace); - - for (Import import_ : this.contribution.getImports()) { - if (import_ instanceof NamespaceImport) { - NamespaceImport namespaceImport = (NamespaceImport)import_; - if (namespaceImport.getNamespace().equals(targetNamespace)) { - // Delegate the resolution to the namespace import resolver - resolved = - namespaceImport.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved, context); - if (!resolved.isUnresolved()) { - return XMLDocumentHelper.getInputSource(resolved.getLocation().toURL()); - } - } - } else if (import_ instanceof DefaultImport) { - // Delegate the resolution to the default import resolver - resolved = - import_.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved, context); - if (!resolved.isUnresolved()) { - return XMLDocumentHelper.getInputSource(resolved.getLocation().toURL()); - } - } - } - - // Not found, lookup a definition for the given namespace - // within the current contribution. - if (schemaLocation.startsWith("/")) { - // The URI is relative to the contribution - String uri = schemaLocation.substring(1); - for (Artifact a : contribution.getArtifacts()) { - if (a.getURI().equals(uri)) { - url = new URL(a.getLocation()); - break; - } - } - if (url == null) { - // URI not found in the contribution; return a default InputSource - // so that the XmlSchema code will produce a useful diagnostic - return new InputSource(schemaLocation); - } - } else { - url = new URL(new URL(baseUri), schemaLocation); - } - return XMLDocumentHelper.getInputSource(url); - } catch (IOException e) { - // Invalid URI; return a default InputSource so that the - // XmlSchema code will produce a useful diagnostic - return new InputSource(schemaLocation); - } catch (URISyntaxException e) { - // Invalid URI; return a default InputSource so that the - // XmlSchema code will produce a useful diagnostic - return new InputSource(schemaLocation); - } - } - } - -} |