diff options
Diffstat (limited to 'sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache')
6 files changed, 604 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBinding.java b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBinding.java new file mode 100644 index 0000000000..f3f309a19b --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBinding.java @@ -0,0 +1,34 @@ +/* + * 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.binding.http; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.BindingRRB; + + +/** + * HTTP binding model. + * + * @version $Rev$ $Date$ +*/ +public interface HTTPBinding extends BindingRRB { + QName TYPE = new QName(SCA11_TUSCANY_NS, "binding.http"); +} diff --git a/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingFactory.java b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingFactory.java new file mode 100644 index 0000000000..6ba6d8f934 --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingFactory.java @@ -0,0 +1,35 @@ +/* + * 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.binding.http; + +/** + * Factory for the HTTP binding model. + * + * @version $Rev$ $Date$ + */ +public interface HTTPBindingFactory { + + /** + * Creates a new HTTP binding. + * @return a new HTTP binding + */ + HTTPBinding createHTTPBinding(); + +} diff --git a/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPCacheContext.java b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPCacheContext.java new file mode 100644 index 0000000000..372118fbf2 --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPCacheContext.java @@ -0,0 +1,257 @@ +/* + * 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.binding.http; + +import java.text.SimpleDateFormat; +import java.util.Date; + +import javax.servlet.http.HttpServletRequest; + +/** + * A class to store cache settings for Atom and HTTP requests and responses. + * + * Predicates are statements that work in conjunction with + * ETags and LastModified dates to determine if a precondition + * or postcondition is satisfied. + * See HTTP specification for how predicates wrk: + * http://tools.ietf.org/html/rfc2616 + * Example predicates in HTTP include If-Match, If-None-Match, + * If-Modified-Since, If-Unmodified-Since, If-Range. + + */ +public class HTTPCacheContext { + public static final SimpleDateFormat RFC822DateFormat = new SimpleDateFormat( "EEE, dd MMM yyyy HH:mm:ss Z" ); // RFC 822 date time + + public boolean enabled; + public String eTag; + public String lastModified; + public Date lastModifiedDate; + public boolean ifModifiedSince; + public boolean ifUnmodifiedSince; + public boolean ifMatch; + public boolean ifNoneMatch; + public boolean ifRange; + + /** + * An ETag is a unique ID for an item. It changes when + * a field in the item or the update date changes. + * See HTTP specification for how ETags work: + * http://tools.ietf.org/html/rfc2616 + * @return the eTag + */ + public String getETag() { + return eTag; + } + /** + * @param tag the eTag to set + */ + public void setETag(String tag) { + eTag = tag; + enabled = true; + } + /** + * The LastModified date is the time the item was last + * changed. See HTTP specification for how ETags work: + * http://tools.ietf.org/html/rfc2616 + * @return the lastModified + */ + public String getLastModified() { + return lastModified; + } + /** + * The LastModified date is the time the item was last + * changed. See HTTP specification for how ETags work: + * http://tools.ietf.org/html/rfc2616 + * @return the lastModified + */ + public Date getLastModifiedAsDate() { + return lastModifiedDate; + } + /** + * @param lastModified the lastModified to set + */ + public void setLastModified(String lastModified) throws java.text.ParseException { + this.lastModified = lastModified; + // Catch date formatting on input to help debugging. + lastModifiedDate = RFC822DateFormat.parse( lastModified ); + enabled = true; + } + + /** + * @param lastModified the lastModified to set + */ + public void setLastModified(Date updated) { + this.lastModified = RFC822DateFormat.format( updated ); + lastModifiedDate = updated; + enabled = true; + } + + /** + * @return the ifModifedSince + */ + public boolean isIfModifiedSince() { + return ifModifiedSince; + } + /** + * @param ifModifedSince the ifModifedSince to set + */ + public void setIfModifiedSince(boolean ifModifiedSince) { + this.ifModifiedSince = ifModifiedSince; + if ( ifModifiedSince ) + enabled = true; + } + /** + * @return the ifUnModifiedSince + */ + public boolean isIfUnmodifiedSince() { + return ifUnmodifiedSince; + } + /** + * @param ifUnModifiedSince the ifUnModifiedSince to set + */ + public void setIfUnmodifiedSince(boolean ifUnmodifiedSince) { + this.ifUnmodifiedSince = ifUnmodifiedSince; + if ( ifUnmodifiedSince ) + enabled = true; + } + /** + * @return the ifMatch + */ + public boolean isIfMatch() { + return ifMatch; + } + /** + * @param ifMatch the ifMatch to set + */ + public void setIfMatch(boolean ifMatch) { + this.ifMatch = ifMatch; + if ( ifMatch ) + enabled = true; + } + /** + * @return the ifNoneMatch + */ + public boolean isIfNoneMatch() { + return ifNoneMatch; + } + /** + * @param ifNoneMatch the ifNoneMatch to set + */ + public void setIfNoneMatch(boolean ifNoneMatch) { + this.ifNoneMatch = ifNoneMatch; + if ( ifNoneMatch ) + enabled = true; + } + /** + * @return the ifRange + */ + public boolean isIfRange() { + return ifRange; + } + /** + * @param ifRange the ifRange to set + */ + public void setIfRange(boolean ifRange) { + this.ifRange = ifRange; + if ( ifRange ) + enabled = true; + } + + public String toString() { + final String PREDPREFIX = ", predicates="; + StringBuffer sb = new StringBuffer(PREDPREFIX); + if ( ifMatch || ifNoneMatch || ifModifiedSince || ifUnmodifiedSince || ifRange ) { + if ( ifMatch ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-Match"); + } + if ( ifNoneMatch ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-None-Match"); + } + if ( ifModifiedSince ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-Modified-Since"); + } + if ( ifUnmodifiedSince ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-UnModified-Since"); + } + if ( ifRange ) { + if ( sb.length() > PREDPREFIX.length() ) sb.append( ", "); + sb.append("If-Range"); + } + } else { + sb.append("null"); + } + + return "eTag=" + eTag + ", lastModified=" + lastModified + + sb.toString(); + } + + /** + * Gets the cache context information (ETag, LastModified, predicates) from the Http request. + * @param request + * @return + */ + public static HTTPCacheContext getCacheContextFromRequest( HttpServletRequest request ) throws java.text.ParseException { + HTTPCacheContext context = new HTTPCacheContext(); + + String eTag = request.getHeader( "If-Match" ); + if ( eTag != null ) { + context.setETag( eTag ); + context.setIfMatch( true ); + } + eTag = request.getHeader( "If-None-Match" ); + if ( eTag != null ) { + context.setETag( eTag ); + context.setIfNoneMatch( true ); + } + String lastModifiedString = request.getHeader( "If-Modified-Since" ); + if ( lastModifiedString != null ) { + context.setLastModified( lastModifiedString ); + context.setIfModifiedSince( true ); + } + lastModifiedString = request.getHeader( "If-Unmodified-Since" ); + if ( lastModifiedString != null ) { + context.setLastModified( lastModifiedString ); + context.setIfUnmodifiedSince( true ); + } + lastModifiedString = request.getHeader( "If-Range" ); + if ( lastModifiedString != null ) { + context.setLastModified( lastModifiedString ); + context.setIfRange( true ); + } + return context; + } + /** + * Enabled is true whenever ETag, LastModified, or predicate is set. + * @return the enabled + */ + public boolean isEnabled() { + return enabled; + } + /** + * @param enabled the enabled to set + */ + public void setEnabled(boolean enabled) { + this.enabled = enabled; + } +} diff --git a/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingFactoryImpl.java b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingFactoryImpl.java new file mode 100644 index 0000000000..678cd1a426 --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingFactoryImpl.java @@ -0,0 +1,36 @@ +/* + * 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.binding.http.impl; + +import org.apache.tuscany.sca.binding.http.HTTPBinding; +import org.apache.tuscany.sca.binding.http.HTTPBindingFactory; + +/** + * Factory for the HTTP binding model. + * + * @version $Rev$ $Date$ + */ +public class HTTPBindingFactoryImpl implements HTTPBindingFactory { + + public HTTPBinding createHTTPBinding() { + return new HTTPBindingImpl(); + } + +} diff --git a/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingImpl.java b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingImpl.java new file mode 100644 index 0000000000..2555799f5f --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingImpl.java @@ -0,0 +1,100 @@ +/* + * 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.binding.http.impl; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.OperationSelector; +import org.apache.tuscany.sca.assembly.WireFormat; +import org.apache.tuscany.sca.binding.http.HTTPBinding; + + +/** + * Implementation of the HTTP binding model. + * + * @version $Rev$ $Date$ + */ +class HTTPBindingImpl implements HTTPBinding { + + private String name; + private String uri; + + private WireFormat wireFormat; + private OperationSelector operationSelector; + + public QName getType() { + return TYPE; + } + + public String getName() { + return name; + } + + public String getURI() { + return uri; + } + + public void setName(String name) { + this.name = name; + } + + public void setURI(String uri) { + this.uri = uri; + } + + public boolean isUnresolved() { + return false; + } + + public void setUnresolved(boolean unresolved) { + // The sample binding is always resolved + } + + // Wireformat and Operation selection + + public WireFormat getRequestWireFormat() { + return wireFormat; + } + + public void setRequestWireFormat(WireFormat wireFormat) { + this.wireFormat = wireFormat; + } + + public WireFormat getResponseWireFormat() { + return wireFormat; + } + + public void setResponseWireFormat(WireFormat wireFormat) { + this.wireFormat = wireFormat; + } + + public OperationSelector getOperationSelector() { + return operationSelector; + } + + public void setOperationSelector(OperationSelector operationSelector) { + this.operationSelector = operationSelector; + } + + @Override + public Object clone() throws CloneNotSupportedException { + return super.clone(); + } +} diff --git a/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/xml/HTTPBindingProcessor.java b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/xml/HTTPBindingProcessor.java new file mode 100644 index 0000000000..056bb8a75e --- /dev/null +++ b/sca-java-2.x/trunk/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/xml/HTTPBindingProcessor.java @@ -0,0 +1,142 @@ +/* + * 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.binding.http.xml; + +import static javax.xml.stream.XMLStreamConstants.END_ELEMENT; +import static javax.xml.stream.XMLStreamConstants.START_ELEMENT; + +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.OperationSelector; +import org.apache.tuscany.sca.assembly.WireFormat; +import org.apache.tuscany.sca.binding.http.HTTPBinding; +import org.apache.tuscany.sca.binding.http.HTTPBindingFactory; +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.ProcessorContext; +import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor; +import org.apache.tuscany.sca.contribution.processor.StAXAttributeProcessor; +import org.apache.tuscany.sca.contribution.resolver.ModelResolver; +import org.apache.tuscany.sca.core.ExtensionPointRegistry; +import org.apache.tuscany.sca.core.FactoryExtensionPoint; + +public class HTTPBindingProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<HTTPBinding> { + private static final String NAME = "name"; + private static final String URI = "uri"; + + private HTTPBindingFactory httpBindingFactory; + private StAXArtifactProcessor<Object> extensionProcessor; + private StAXAttributeProcessor<Object> extensionAttributeProcessor; + + + public HTTPBindingProcessor(ExtensionPointRegistry extensionPoints, + StAXArtifactProcessor extensionProcessor, + StAXAttributeProcessor extensionAttributeProcessor) { + FactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(FactoryExtensionPoint.class); + this.httpBindingFactory = modelFactories.getFactory(HTTPBindingFactory.class); + this.extensionProcessor = (StAXArtifactProcessor<Object>)extensionProcessor; + this.extensionAttributeProcessor = extensionAttributeProcessor; + } + + public QName getArtifactType() { + return HTTPBinding.TYPE; + } + + public Class<HTTPBinding> getModelType() { + return HTTPBinding.class; + } + + public HTTPBinding read(XMLStreamReader reader, ProcessorContext context) throws ContributionReadException, XMLStreamException { + HTTPBinding httpBinding = httpBindingFactory.createHTTPBinding(); + + while(reader.hasNext()) { + QName elementName = null; + int event = reader.getEventType(); + switch (event) { + case START_ELEMENT: + elementName = reader.getName(); + + if (HTTPBinding.TYPE.equals(elementName)) { + String name = getString(reader, NAME); + if(name != null) { + httpBinding.setName(name); + } + + String uri = getString(reader, URI); + if (uri != null) { + httpBinding.setURI(uri); + } + } else { + // Read an extension element + Object extension = extensionProcessor.read(reader, context); + if (extension != null) { + if (extension instanceof WireFormat) { + httpBinding.setRequestWireFormat((WireFormat)extension); + } else if(extension instanceof OperationSelector) { + httpBinding.setOperationSelector((OperationSelector)extension); + } + } + } + } + + if (event == END_ELEMENT && HTTPBinding.TYPE.equals(reader.getName())) { + break; + } + + // Read the next element + if (reader.hasNext()) { + reader.next(); + } + } + + return httpBinding; + } + + public void write(HTTPBinding httpBinding, XMLStreamWriter writer, ProcessorContext context) throws ContributionWriteException, XMLStreamException { + //writer.writeStartElement(Constants.SCA10_NS, BINDING_HTTP); + + writeStart(writer, HTTPBinding.TYPE.getNamespaceURI(), HTTPBinding.TYPE.getLocalPart()); + + // Write binding name + if (httpBinding.getName() != null) { + writer.writeAttribute(NAME, httpBinding.getName()); + } + + // Write binding URI + if (httpBinding.getURI() != null) { + writer.writeAttribute(URI, httpBinding.getURI()); + } + + writeEnd(writer); + //writer.writeEndElement(); + } + + + public void resolve(HTTPBinding model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { + // Should not need to do anything here for now... + + } + +} |