diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy')
5 files changed, 503 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TestModelResolver.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TestModelResolver.java new file mode 100644 index 0000000000..593f56e7f9 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TestModelResolver.java @@ -0,0 +1,64 @@ +/* + * 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.wspolicy; + +import java.util.HashMap; +import java.util.Map; + +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + + +/** + * A default implementation of an artifact resolver, based on a map. + * + * @version $Rev$ $Date$ + */ +public class TestModelResolver implements ModelResolver { + private static final long serialVersionUID = -7826976465762296634L; + + private Map<Object, Object> map = new HashMap<Object, Object>(); + + public TestModelResolver() { + } + + public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) { + Object resolved = map.get(unresolved); + if (resolved != null) { + + // Return the resolved object + return modelClass.cast(resolved); + + } else { + + // Return the unresolved object + return unresolved; + } + } + + public void addModel(Object resolved, ProcessorContext context) { + map.put(resolved, resolved); + } + + public Object removeModel(Object resolved, ProcessorContext context) { + return map.remove(resolved); + } + +} diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TuscanyWSPolicyAssertion.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TuscanyWSPolicyAssertion.java new file mode 100644 index 0000000000..5b4172563a --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TuscanyWSPolicyAssertion.java @@ -0,0 +1,40 @@ +/* + * 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.wspolicy; + +import javax.xml.namespace.QName; +import org.apache.tuscany.sca.assembly.Base; + +/** + * The WS-Policy model. Defers to the Neethi policy model under the covers. + */ +public class TuscanyWSPolicyAssertion { + + static final String SCA11_TUSCANY_NS = Base.SCA11_TUSCANY_NS; + static final QName TUSCANY_WS_POLICY_ASSERTION_QNAME = new QName(SCA11_TUSCANY_NS, "tuscanyWSPolicyAssertion"); + + private String anAttribute; + + public QName getSchemaName() { + return TUSCANY_WS_POLICY_ASSERTION_QNAME; + } + + +} diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TuscanyWSPolicyAssertionProcessor.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TuscanyWSPolicyAssertionProcessor.java new file mode 100644 index 0000000000..065feb012c --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/TuscanyWSPolicyAssertionProcessor.java @@ -0,0 +1,60 @@ +/* + * 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.wspolicy; + +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.assembly.Base; +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.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; + +/** + * + * @version $Rev$ $Date$ + */ +public class TuscanyWSPolicyAssertionProcessor implements StAXArtifactProcessor<TuscanyWSPolicyAssertion> { + + public QName getArtifactType() { + return new QName(Base.SCA11_TUSCANY_NS, "tuscanyWSPolicyAssertion"); + } + + public TuscanyWSPolicyAssertion read(XMLStreamReader arg0, ProcessorContext context) throws ContributionReadException, XMLStreamException { + return new TuscanyWSPolicyAssertion(); + } + + public void write(TuscanyWSPolicyAssertion arg0, XMLStreamWriter arg1, ProcessorContext context) throws ContributionWriteException, + XMLStreamException { + } + + public Class<TuscanyWSPolicyAssertion> getModelType() { + // TODO Auto-generated method stub + return TuscanyWSPolicyAssertion.class; + } + + public void resolve(TuscanyWSPolicyAssertion arg0, ModelResolver arg1, ProcessorContext context) throws ContributionResolveException { + + } + +} diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/WSPolicyTestCase.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/WSPolicyTestCase.java new file mode 100644 index 0000000000..b4c72b5235 --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/WSPolicyTestCase.java @@ -0,0 +1,199 @@ +/* + * 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.wspolicy; + +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import java.io.StringReader; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamReader; + +import junit.framework.TestCase; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Endpoint; +import org.apache.tuscany.sca.assembly.EndpointReference; +import org.apache.tuscany.sca.assembly.builder.BuilderContext; +import org.apache.tuscany.sca.assembly.builder.BuilderExtensionPoint; +import org.apache.tuscany.sca.assembly.builder.PolicyBuilder; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessorExtensionPoint; +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.definitions.Definitions; +import org.apache.tuscany.sca.monitor.Monitor; +import org.apache.tuscany.sca.policy.PolicySet; +import org.apache.tuscany.sca.policy.wspolicy.xml.WSPolicyProcessor; +import org.apache.tuscany.sca.policy.xml.PolicySetProcessor; +import org.junit.Assert; + +/** + * Test reading SCA XML assembly documents. + * + * @version $Rev$ $Date$ + */ +public class WSPolicyTestCase extends TestCase { + + private static final String WS_POLICY1 = + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + + "<definitions xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\"" + + " targetNamespace=\"http://test\"" + + " xmlns:test=\"http://test\"" + + " xmlns:sca=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\">" + + " " + + " <policySet name=\"SecureWSPolicy\"" + + " provides=\"test:confidentiality\"" + + " appliesTo=\"sca:binding.ws\"" + + " xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\"" + + " xmlns:sp=\"http://schemas.xmlsoap.org/ws/2002/12/secext\"" + + " xmlns:tuscany=\"http://tuscany.apache.org/xmlns/sca/1.1\"" + + " xmlns:wsp=\"http://schemas.xmlsoap.org/ws/2004/09/policy\">" + + " <wsp:Policy>" + + " <wsp:ExactlyOne>" + + " <wsp:All>" + + " <tuscany:tuscanyWSPolicyAssertion anAttribute=\"fred\"/>" + + " <sp:SecurityToken>" + + " <sp:TokenType>sp:X509v3</sp:TokenType>" + + " </sp:SecurityToken>" + + " <sp:UsernameToken />" + + " <sp:SignedParts />" + + " <sp:EncryptedParts>" + + " <sp:Body />" + + " </sp:EncryptedParts>" + + " <sp:TransportBinding>" + + " <sp:IncludeTimeStamp />" + + " </sp:TransportBinding>" + + " </wsp:All>" + + " </wsp:ExactlyOne>" + + " </wsp:Policy>" + + " </policySet>" + + " </definitions>"; + + private static final String WS_POLICY2 = + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + + "<definitions xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\"" + + " targetNamespace=\"http://test\"" + + " xmlns:test=\"http://test\"" + + " xmlns:sca=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\">" + + " " + + " <policySet name=\"SecureWSPolicy\"" + + " provides=\"test:confidentiality\"" + + " appliesTo=\"sca:binding.ws\"" + + " xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\"" + + " xmlns:sp=\"http://schemas.xmlsoap.org/ws/2002/12/secext\"" + + " xmlns:tuscany=\"http://tuscany.apache.org/xmlns/sca/1.1\"" + + " xmlns:wsp=\"http://schemas.xmlsoap.org/ws/2004/09/policy\">" + + " <wsp:Policy>" + + " <wsp:ExactlyOne>" + + " <wsp:All>" + + " <tuscany:tuscanyWSPolicyAssertion anAttribute=\"jim\"/>" + + " <sp:SecurityToken>" + + " <sp:TokenType>sp:X509v3</sp:TokenType>" + + " </sp:SecurityToken>" + + " <sp:UsernameToken />" + + " <sp:SignedParts />" + + " <sp:EncryptedParts>" + + " <sp:Body />" + + " </sp:EncryptedParts>" + + " <sp:TransportBinding>" + + " <sp:IncludeTimeStamp />" + + " </sp:TransportBinding>" + + " </wsp:All>" + + " </wsp:ExactlyOne>" + + " </wsp:Policy>" + + " </policySet>" + + " </definitions>"; + + private XMLInputFactory inputFactory; + + @Override + public void setUp() throws Exception { + inputFactory = XMLInputFactory.newInstance(); + } + + public void testReadWsPolicy() throws Exception { + // Set up the runtime + ExtensionPointRegistry registry = new DefaultExtensionPointRegistry(); + + FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); + + XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class); + XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class); + + StAXArtifactProcessorExtensionPoint artifactExtensionPoint = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + StAXArtifactProcessor<Object> extensibleStAXProcessor = new ExtensibleStAXArtifactProcessor(artifactExtensionPoint, inputFactory, outputFactory); + artifactExtensionPoint.addArtifactProcessor(new TuscanyWSPolicyAssertionProcessor()); + + StAXAttributeProcessorExtensionPoint attributeExtensionPoint = registry.getExtensionPoint(StAXAttributeProcessorExtensionPoint.class); + StAXAttributeProcessor<Object> extensibleStAXAttributeProcessor = new ExtensibleStAXAttributeProcessor(attributeExtensionPoint, inputFactory, outputFactory); + + BuilderExtensionPoint builderExtensionPoint = registry.getExtensionPoint(BuilderExtensionPoint.class); + + StAXArtifactProcessor processor = artifactExtensionPoint.getProcessor(Definitions.class); + + Object artifact = null; + + // Read the first definitions string + + XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(WS_POLICY1)); + + artifact = processor.read(reader, new ProcessorContext()); + assertNotNull(artifact); + Assert.assertTrue(artifact instanceof Definitions); + Definitions definitions1 = (Definitions) artifact; + + // Read the second definitions string + + reader = inputFactory.createXMLStreamReader(new StringReader(WS_POLICY2)); + + artifact = processor.read(reader, new ProcessorContext()); + assertNotNull(artifact); + Assert.assertTrue(artifact instanceof Definitions); + Definitions definitions2 = (Definitions) artifact; + + // compare the policies using the policy builder + + // create dummy endpoints and endpoint references + AssemblyFactory assemblyFactory = modelFactories.getFactory(AssemblyFactory.class); + EndpointReference epr = assemblyFactory.createEndpointReference(); + Endpoint ep = assemblyFactory.createEndpoint(); + + // add the ws polices we've just read to the epr/ep + epr.getPolicySets().add(definitions1.getPolicySets().get(0)); + ep.getPolicySets().add(definitions1.getPolicySets().get(0)); + + BuilderContext builderContext = new BuilderContext((Monitor)null); + + for (PolicyBuilder policyBuilder : builderExtensionPoint.getPolicyBuilders()) { + System.out.println("PolicyBuilder: " + policyBuilder.toString()); + assertTrue(policyBuilder.build(epr, ep, builderContext)); + } + + } +} diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/xml/WSPolicyProcessorTestCase.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/xml/WSPolicyProcessorTestCase.java new file mode 100644 index 0000000000..1c9c9b706a --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/policy-wspolicy/src/test/java/org/apache/tuscany/sca/policy/wspolicy/xml/WSPolicyProcessorTestCase.java @@ -0,0 +1,140 @@ +/* + * 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.wspolicy.xml; + +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +import java.io.StringReader; + +import javax.xml.namespace.QName; +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLOutputFactory; +import javax.xml.stream.XMLStreamReader; + +import junit.framework.TestCase; + +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.ExtensibleStAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.processor.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessorExtensionPoint; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessorExtensionPoint; +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.policy.wspolicy.TuscanyWSPolicyAssertionProcessor; +import org.apache.tuscany.sca.policy.wspolicy.WSPolicy; +import org.apache.tuscany.sca.policy.wspolicy.xml.WSPolicyProcessor; +import org.junit.Assert; + +/** + * Test reading SCA XML assembly documents. + * + * @version $Rev$ $Date$ + */ +public class WSPolicyProcessorTestCase extends TestCase { + + private static final String VALID_WS_POLICY = + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + "<definitions xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\"" + + " targetNamespace=\"http://test\"" + + " xmlns:test=\"http://test\"" + + " xmlns:sca=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\">" + + " " + + " <policySet name=\"SecureWSPolicy\"" + + " provides=\"test:confidentiality\"" + + " appliesTo=\"sca:binding.ws\"" + + " xmlns=\"http://docs.oasis-open.org/ns/opencsa/sca/200912\"" + + " xmlns:sp=\"http://schemas.xmlsoap.org/ws/2002/12/secext\"" + + " xmlns:wsp=\"http://schemas.xmlsoap.org/ws/2004/09/policy\">" + + " <wsp:Policy>" + + " <wsp:ExactlyOne>" + + " <wsp:All>" + + " <sp:SecurityToken>" + + " <sp:TokenType>sp:X509v3</sp:TokenType>" + + " </sp:SecurityToken>" + + " <sp:UsernameToken />" + + " <sp:SignedParts />" + + " <sp:EncryptedParts>" + + " <sp:Body />" + + " </sp:EncryptedParts>" + + " <sp:TransportBinding>" + + " <sp:IncludeTimeStamp />" + + " </sp:TransportBinding>" + + " </wsp:All>" + + " </wsp:ExactlyOne>" + + " </wsp:Policy>" + + " </policySet>" + + " </definitions>"; + + private XMLInputFactory inputFactory; + + @Override + public void setUp() throws Exception { + inputFactory = XMLInputFactory.newInstance(); + + } + + public void testReadWsPolicy() throws Exception { + XMLStreamReader reader = inputFactory.createXMLStreamReader(new StringReader(VALID_WS_POLICY)); + + ExtensionPointRegistry registry = new DefaultExtensionPointRegistry(); + FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class); + XMLInputFactory inputFactory = modelFactories.getFactory(XMLInputFactory.class); + XMLOutputFactory outputFactory = modelFactories.getFactory(XMLOutputFactory.class); + StAXArtifactProcessorExtensionPoint artifactExtensionPoint = registry.getExtensionPoint(StAXArtifactProcessorExtensionPoint.class); + StAXArtifactProcessor<Object> extensibleStAXProcessor = new ExtensibleStAXArtifactProcessor(artifactExtensionPoint, inputFactory, outputFactory); + StAXAttributeProcessorExtensionPoint attributeExtensionPoint = registry.getExtensionPoint(StAXAttributeProcessorExtensionPoint.class); + StAXAttributeProcessor<Object> extensibleStAXAttributeProcessor = new ExtensibleStAXAttributeProcessor(attributeExtensionPoint, inputFactory, outputFactory); + + WSPolicyProcessor processor = new WSPolicyProcessor(new DefaultExtensionPointRegistry(), + extensibleStAXProcessor, + extensibleStAXAttributeProcessor); + + Object artifact = null; + + QName name = null; + reader.next(); + while (true) { + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: { + name = reader.getName(); + + if (WSPolicy.WS_POLICY_QNAME.equals(name)) { + artifact = processor.read(reader, new ProcessorContext()); + } + + break; + } + } + + if (reader.hasNext()) { + reader.next(); + } else { + break; + } + } + assertNotNull(artifact); + Assert.assertTrue(artifact instanceof WSPolicy); + WSPolicy policy = (WSPolicy) artifact; + Assert.assertTrue(policy.getNeethiPolicy().getAlternatives().hasNext()); + } +} |