diff options
Diffstat (limited to 'tags/java/sca/2.0-M2/modules/policy-xml/src/main/java/org/apache/tuscany/sca/policy/xml/ExtensionTypeProcessor.java')
| -rw-r--r-- | tags/java/sca/2.0-M2/modules/policy-xml/src/main/java/org/apache/tuscany/sca/policy/xml/ExtensionTypeProcessor.java | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/tags/java/sca/2.0-M2/modules/policy-xml/src/main/java/org/apache/tuscany/sca/policy/xml/ExtensionTypeProcessor.java b/tags/java/sca/2.0-M2/modules/policy-xml/src/main/java/org/apache/tuscany/sca/policy/xml/ExtensionTypeProcessor.java deleted file mode 100644 index f437b5d599..0000000000 --- a/tags/java/sca/2.0-M2/modules/policy-xml/src/main/java/org/apache/tuscany/sca/policy/xml/ExtensionTypeProcessor.java +++ /dev/null @@ -1,251 +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.policy.xml; - -import java.util.ArrayList; -import java.util.List; -import java.util.StringTokenizer; - -import javax.xml.namespace.QName; -import javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamWriter; - -import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.processor.ContributionReadException; -import org.apache.tuscany.sca.contribution.processor.ContributionResolveException; -import org.apache.tuscany.sca.contribution.processor.ContributionWriteException; -import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.monitor.Monitor; -import org.apache.tuscany.sca.monitor.Problem; -import org.apache.tuscany.sca.monitor.Problem.Severity; -import org.apache.tuscany.sca.policy.BindingType; -import org.apache.tuscany.sca.policy.ExtensionType; -import org.apache.tuscany.sca.policy.ImplementationType; -import org.apache.tuscany.sca.policy.Intent; -import org.apache.tuscany.sca.policy.PolicyFactory; - -/** - * Processor for handling XML models of ExtensionType meta data definitions - * - * @version $Rev$ $Date$ - */ -abstract class ExtensionTypeProcessor extends BaseStAXArtifactProcessor implements - StAXArtifactProcessor<ExtensionType>, PolicyConstants { - - private PolicyFactory policyFactory; - private Monitor monitor; - - protected abstract ExtensionType resolveExtensionType(ExtensionType extnType, ModelResolver resolver) - throws ContributionResolveException; - - public ExtensionTypeProcessor(PolicyFactory policyFactory, - StAXArtifactProcessor<Object> extensionProcessor, - Monitor monitor) { - this.policyFactory = policyFactory; - this.monitor = monitor; - } - - /** - * Report a error. - * - * @param problems - * @param message - * @param model - */ - private void error(String message, Object model, Object... messageParameters) { - if (monitor != null) { - Problem problem = - monitor.createProblem(this.getClass().getName(), - "policy-xml-validation-messages", - Severity.ERROR, - model, - message, - (Object[])messageParameters); - monitor.problem(problem); - } - } - - public ExtensionType read(XMLStreamReader reader) throws ContributionReadException, XMLStreamException { - QName extType = getArtifactType(); - QName type = getQName(reader, "type"); - - if (type != null) { - ExtensionType extensionType = null; - if (BINDING_TYPE_QNAME.equals(extType)) { - extensionType = policyFactory.createBindingType(); - } else if (IMPLEMENTATION_TYPE_QNAME.equals(extType)) { - extensionType = policyFactory.createImplementationType(); - } else { - error("UnrecognizedExtensionType", reader, type); - return null; - //throw new ContributionReadException("Unrecognized ExtensionType - " + type); - } - extensionType.setType(type); - extensionType.setUnresolved(true); - - readAlwaysProvidedIntents(extensionType, reader); - readMayProvideIntents(extensionType, reader); - return extensionType; - - } else { - error("RequiredAttributeMissing", reader, extType); - //throw new ContributionReadException("Required attribute '" + TYPE + - //"' missing from BindingType Definition"); - } - return null; - } - - private void readAlwaysProvidedIntents(ExtensionType extnType, XMLStreamReader reader) { - String value = reader.getAttributeValue(null, ALWAYS_PROVIDES); - if (value != null) { - List<Intent> alwaysProvided = extnType.getAlwaysProvidedIntents(); - for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { - QName qname = getQNameValue(reader, tokens.nextToken()); - Intent intent = policyFactory.createIntent(); - intent.setName(qname); - alwaysProvided.add(intent); - } - } - } - - private void readMayProvideIntents(ExtensionType extnType, XMLStreamReader reader) { - String value = reader.getAttributeValue(null, MAY_PROVIDE); - if (value != null) { - List<Intent> mayProvide = extnType.getMayProvidedIntents(); - for (StringTokenizer tokens = new StringTokenizer(value); tokens.hasMoreTokens();) { - QName qname = getQNameValue(reader, tokens.nextToken()); - Intent intent = policyFactory.createIntent(); - intent.setName(qname); - mayProvide.add(intent); - } - } - } - - public void write(ExtensionType extnType, XMLStreamWriter writer) throws ContributionWriteException, - XMLStreamException { - - // Write an <sca:bindingType or sca:implementationType> - if (extnType instanceof BindingType) { - writer.writeStartElement(SCA11_NS, BINDING_TYPE); - } else if (extnType instanceof ImplementationType) { - writer.writeStartElement(SCA11_NS, IMPLEMENTATION_TYPE); - } - - writeAlwaysProvidesIntentsAttribute(extnType, writer); - writeMayProvideIntentsAttribute(extnType, writer); - - writer.writeEndElement(); - } - - private void writeMayProvideIntentsAttribute(ExtensionType extnType, XMLStreamWriter writer) - throws XMLStreamException { - StringBuffer sb = new StringBuffer(); - for (Intent intent : extnType.getMayProvidedIntents()) { - writer.writeNamespace(intent.getName().getPrefix(), intent.getName().getNamespaceURI()); - sb.append(intent.getName().getPrefix() + COLON + intent.getName().getLocalPart()); - sb.append(WHITE_SPACE); - } - - if (sb.length() > 0) { - writer.writeAttribute(MAY_PROVIDE, sb.toString()); - } - } - - private void writeAlwaysProvidesIntentsAttribute(ExtensionType extnType, XMLStreamWriter writer) - throws XMLStreamException { - StringBuffer sb = new StringBuffer(); - for (Intent intent : extnType.getAlwaysProvidedIntents()) { - writer.writeNamespace(intent.getName().getPrefix(), intent.getName().getNamespaceURI()); - sb.append(intent.getName().getPrefix() + COLON + intent.getName().getLocalPart()); - sb.append(WHITE_SPACE); - } - - if (sb.length() > 0) { - writer.writeAttribute(ALWAYS_PROVIDES, sb.toString()); - - } - } - - public void resolve(ExtensionType extnType, ModelResolver resolver) throws ContributionResolveException { - - if (extnType != null && extnType.isUnresolved()) { - resolveAlwaysProvidedIntents(extnType, resolver); - resolveMayProvideIntents(extnType, resolver); - extnType.setUnresolved(false); - //resolveExtensionType(extnType, resolver); - } - } - - private void resolveAlwaysProvidedIntents(ExtensionType extensionType, ModelResolver resolver) - throws ContributionResolveException { - if (extensionType != null) { - // resolve all provided intents - List<Intent> alwaysProvided = new ArrayList<Intent>(); - for (Intent providedIntent : extensionType.getAlwaysProvidedIntents()) { - if (providedIntent.isUnresolved()) { - providedIntent = resolver.resolveModel(Intent.class, providedIntent); - if (!providedIntent.isUnresolved()) { - alwaysProvided.add(providedIntent); - } else { - error("AlwaysProvidedIntentNotFound", resolver, providedIntent, extensionType); - //throw new ContributionResolveException("Always Provided Intent - " + providedIntent - //+ " not found for ExtensionType " - //+ extensionType); - } - } else { - alwaysProvided.add(providedIntent); - } - } - extensionType.getAlwaysProvidedIntents().clear(); - extensionType.getAlwaysProvidedIntents().addAll(alwaysProvided); - } - } - - private void resolveMayProvideIntents(ExtensionType extensionType, ModelResolver resolver) - throws ContributionResolveException { - if (extensionType != null) { - // resolve all provided intents - List<Intent> mayProvide = new ArrayList<Intent>(); - for (Intent providedIntent : extensionType.getMayProvidedIntents()) { - if (providedIntent.isUnresolved()) { - providedIntent = resolver.resolveModel(Intent.class, providedIntent); - if (!providedIntent.isUnresolved()) { - mayProvide.add(providedIntent); - } else { - error("MayProvideIntentNotFound", resolver, providedIntent, extensionType); - //throw new ContributionResolveException("May Provide Intent - " + providedIntent - //+ " not found for ExtensionType " - //+ extensionType); - } - } else { - mayProvide.add(providedIntent); - } - } - extensionType.getMayProvidedIntents().clear(); - extensionType.getMayProvidedIntents().addAll(mayProvide); - } - } - - public Class<ExtensionType> getModelType() { - return ExtensionType.class; - } -} |