diff options
Diffstat (limited to 'branches')
-rw-r--r-- | branches/sca-java-1.5.1/modules/xsd-xml/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java | 645 |
1 files changed, 325 insertions, 320 deletions
diff --git a/branches/sca-java-1.5.1/modules/xsd-xml/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java b/branches/sca-java-1.5.1/modules/xsd-xml/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java index 4971c0eb98..51b275d0ae 100644 --- a/branches/sca-java-1.5.1/modules/xsd-xml/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java +++ b/branches/sca-java-1.5.1/modules/xsd-xml/src/main/java/org/apache/tuscany/sca/xsd/xml/XSDModelResolver.java @@ -1,320 +1,325 @@ -/* - * 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.URL; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -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.ModelFactoryExtensionPoint; -import org.apache.tuscany.sca.contribution.namespace.NamespaceImport; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.contribution.service.ContributionRuntimeException; -import org.apache.tuscany.sca.xsd.DefaultXSDFactory; -import org.apache.tuscany.sca.xsd.XSDFactory; -import org.apache.tuscany.sca.xsd.XSDefinition; -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, ModelFactoryExtensionPoint modelFactories) { - this.contribution = contribution; - this.schemaCollection = new XmlSchemaCollection(); - schemaCollection.setSchemaResolver(new URIResolverImpl(contribution)); - this.factory = new DefaultXSDFactory(); - } - - public void addModel(Object resolved) { - 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) { - 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) { - - XSDefinition definition = (XSDefinition)unresolved; - String namespace = definition.getNamespace(); - - // Lookup a definition for the given namespace within the - // current 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); - } - XSDefinition resolved = null; - try { - resolved = aggregate(list); - } catch (ContributionRuntimeException 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); - } - - // No definition found, delegate the resolution to the imports - for (Import import_ : this.contribution.getImports()) { - if (import_ instanceof NamespaceImport) { - NamespaceImport namespaceImport = (NamespaceImport)import_; - if (namespaceImport.getNamespace().equals(namespace)) { - - // Delegate the resolution to the namespace import resolver - resolved = - namespaceImport.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved); - if (!resolved.isUnresolved()) { - return modelClass.cast(resolved); - } - } - } else if (import_ instanceof DefaultImport) { - - // Delegate the resolution to the default import resolver - resolved = - import_.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved); - if (!resolved.isUnresolved()) { - return modelClass.cast(resolved); - } - } - } - return modelClass.cast(unresolved); - } - - private void loadOnDemand(XSDefinition definition) throws ContributionRuntimeException { - 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(); - } - 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 - // FIXME: We need to trigger the loading of the enclosing WSDL models - return; - } - // Read an XSD document - InputSource xsd; - try { - xsd = XMLDocumentHelper.getInputSource(definition.getLocation().toURL()); - } catch (IOException e) { - throw new ContributionRuntimeException(e); - } - for (XmlSchema d : schemaCollection.getXmlSchemas()) { - if (isSameNamespace(d.getTargetNamespace(), definition.getNamespace())) { - if (d.getSourceURI().equals(definition.getLocation().toString())) - return; - } - } - XmlSchema schema = null; - 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(); - } - 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 ContributionRuntimeException { - 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; - - public URIResolverImpl(Contribution contribution) { - this.contribution = contribution; - } - - public InputSource resolveEntity(String targetNamespace, String schemaLocation, String baseUri) { - try { - if (schemaLocation == null) { - return null; - } - URL url = null; - 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); - } - } - } - -} +/*
+ * 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.URL;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+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.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.namespace.NamespaceImport;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.contribution.service.ContributionRuntimeException;
+import org.apache.tuscany.sca.xsd.DefaultXSDFactory;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+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, ModelFactoryExtensionPoint modelFactories) {
+ this.contribution = contribution;
+ this.schemaCollection = new XmlSchemaCollection();
+ schemaCollection.setSchemaResolver(new URIResolverImpl(contribution));
+ this.factory = new DefaultXSDFactory();
+ }
+
+ public void addModel(Object resolved) {
+ 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) {
+ 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) {
+
+ XSDefinition definition = (XSDefinition)unresolved;
+ String namespace = definition.getNamespace();
+
+ // Lookup a definition for the given namespace within the
+ // current 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);
+ }
+ XSDefinition resolved = null;
+ try {
+ resolved = aggregate(list);
+ } catch (ContributionRuntimeException 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);
+ }
+
+ // No definition found, delegate the resolution to the imports
+ for (Import import_ : this.contribution.getImports()) {
+ if (import_ instanceof NamespaceImport) {
+ NamespaceImport namespaceImport = (NamespaceImport)import_;
+ if (namespaceImport.getNamespace().equals(namespace)) {
+
+ // Delegate the resolution to the namespace import resolver
+ resolved =
+ namespaceImport.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved);
+ if (!resolved.isUnresolved()) {
+ return modelClass.cast(resolved);
+ }
+ }
+ } else if (import_ instanceof DefaultImport) {
+
+ // Delegate the resolution to the default import resolver
+ resolved =
+ import_.getModelResolver().resolveModel(XSDefinition.class, (XSDefinition)unresolved);
+ if (!resolved.isUnresolved()) {
+ return modelClass.cast(resolved);
+ }
+ }
+ }
+ return modelClass.cast(unresolved);
+ }
+
+ private void loadOnDemand(XSDefinition definition) throws ContributionRuntimeException {
+ 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
+ // FIXME: We need to trigger the loading of the enclosing WSDL models
+ 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 ContributionRuntimeException {
+ 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;
+
+ public URIResolverImpl(Contribution contribution) {
+ this.contribution = contribution;
+ }
+
+ public InputSource resolveEntity(String targetNamespace, String schemaLocation, String baseUri) {
+ try {
+ if (schemaLocation == null) {
+ return null;
+ }
+ URL url = null;
+ 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);
+ }
+ }
+ }
+
+}
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