Starting to work on porting binding-http from 1.x branch

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@784560 13f79535-47bb-0310-9956-ffa450edef68

10 files changed, 800 insertions, 0 deletions

diff --git a/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBinding.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBinding.java
new file mode 100644
index 0000000000..3a749c5f29
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBinding.java
@@ -0,0 +1,31 @@
+/*
+ * 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 org.apache.tuscany.sca.assembly.BindingRRB;
+
+
+/**
+ * HTTP binding model.
+ * 
+ * @version $Rev$ $Date$
+*/
+public interface HTTPBinding extends BindingRRB {
+}
diff --git a/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingContext.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingContext.java
new file mode 100644
index 0000000000..f7e5bac606
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingContext.java
@@ -0,0 +1,47 @@
+/*
+ * 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.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * HTTP Binding Context
+ *
+ * @version $Rev$ $Date$
+ */
+public class HTTPBindingContext {
+    private HttpServletRequest request;
+    private HttpServletResponse response;
+    
+    public HttpServletRequest getHttpRequest() {
+        return request;
+    }
+    public void setHttpRequest(HttpServletRequest request) {
+        this.request = request;
+    }
+    public HttpServletResponse getHttpResponse() {
+        return response;
+    }
+    public void setHttpResponse(HttpServletResponse response) {
+        this.response = response;
+    }
+
+}
diff --git a/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingFactory.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPBindingFactory.java
new file mode 100644
index 0000000000..e66896c68e
--- /dev/null
+++ b/java/sca/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/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPCacheContext.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPCacheContext.java
new file mode 100644
index 0000000000..fb9242c26c
--- /dev/null
+++ b/java/sca/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/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPHeader.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPHeader.java
new file mode 100644
index 0000000000..69e44cf35c
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/HTTPHeader.java
@@ -0,0 +1,51 @@
+/*
+ * 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;
+
+public class HTTPHeader {
+    private String name;
+    private Object value;
+    
+    public HTTPHeader() {
+        
+    }
+    
+    public HTTPHeader(String name, Object value) {
+        this.name = name;
+        this.value = value;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Object getValue() {
+        return value;
+    }
+
+    public void setValue(Object value) {
+        this.value = value;
+    }
+
+}
diff --git a/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingFactoryImpl.java b/java/sca/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/java/sca/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/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingImpl.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingImpl.java
new file mode 100644
index 0000000000..c902797a79
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/impl/HTTPBindingImpl.java
@@ -0,0 +1,139 @@
+/*
+ * 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 java.util.ArrayList;
+import java.util.List;
+
+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.policy.Intent;
+import org.apache.tuscany.sca.policy.IntentAttachPointType;
+import org.apache.tuscany.sca.policy.PolicySet;
+import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
+
+
+/**
+ * Implementation of the HTTP binding model.
+ * 
+ * @version $Rev$ $Date$
+ */
+class HTTPBindingImpl implements HTTPBinding, PolicySetAttachPoint {
+    
+    private String name;
+    private String uri;
+    
+    private WireFormat wireFormat;
+    private OperationSelector operationSelector;    
+    
+    private List<Intent> requiredIntents = new ArrayList<Intent>();
+    private List<PolicySet> policySets = new ArrayList<PolicySet>();
+    private IntentAttachPointType intentAttachPointType;
+    private List<PolicySet> applicablePolicySets = new ArrayList<PolicySet>();
+
+
+    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;
+    }    
+    
+    //Policy related getters/setters
+    
+    public List<PolicySet> getPolicySets() {
+        return policySets;
+    }
+    
+    public List<Intent> getRequiredIntents() {
+        return requiredIntents;
+    }
+
+    public IntentAttachPointType getType() {
+        return intentAttachPointType;
+    }
+    
+    public void setType(IntentAttachPointType intentAttachPointType) {
+        this.intentAttachPointType = intentAttachPointType;
+    }
+
+    public void setPolicySets(List<PolicySet> policySets) {
+        this.policySets = policySets; 
+    }
+
+    public void setRequiredIntents(List<Intent> intents) {
+        this.requiredIntents = intents;
+    }    
+
+    public List<PolicySet> getApplicablePolicySets() {
+        return applicablePolicySets;
+    }
+    
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }     
+
+}
diff --git a/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/xml/HTTPBindingProcessor.java b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/xml/HTTPBindingProcessor.java
new file mode 100644
index 0000000000..1d872d6a51
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/java/org/apache/tuscany/sca/binding/http/xml/HTTPBindingProcessor.java
@@ -0,0 +1,166 @@
+/*

+ * 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.assembly.builder.impl.ProblemImpl;

+import org.apache.tuscany.sca.assembly.xml.Constants;

+import org.apache.tuscany.sca.binding.http.HTTPBinding;

+import org.apache.tuscany.sca.binding.http.HTTPBindingFactory;

+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;

+import org.apache.tuscany.sca.contribution.processor.BaseStAXArtifactProcessor;

+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.contribution.service.ContributionReadException;

+import org.apache.tuscany.sca.contribution.service.ContributionResolveException;

+import org.apache.tuscany.sca.contribution.service.ContributionWriteException;

+import org.apache.tuscany.sca.core.ExtensionPointRegistry;

+import org.apache.tuscany.sca.monitor.Monitor;

+import org.apache.tuscany.sca.monitor.Problem;

+import org.apache.tuscany.sca.monitor.Problem.Severity;

+

+public class HTTPBindingProcessor extends BaseStAXArtifactProcessor implements StAXArtifactProcessor<HTTPBinding> {

+    private static final String BINDING_HTTP = "binding.http";

+    private static final QName BINDING_HTTP_QNAME = new QName(Constants.SCA10_TUSCANY_NS, BINDING_HTTP);

+    

+    private static final String NAME = "name";

+    private static final String URI = "uri";

+    

+    private HTTPBindingFactory httpBindingFactory;

+    private StAXArtifactProcessor<Object> extensionProcessor;

+    private StAXAttributeProcessor<Object> extensionAttributeProcessor;

+    private Monitor monitor;

+

+    public HTTPBindingProcessor(ExtensionPointRegistry extensionPoints, 

+                                StAXArtifactProcessor extensionProcessor,

+                                StAXAttributeProcessor extensionAttributeProcessor, 

+                                Monitor monitor) {

+        ModelFactoryExtensionPoint modelFactories = extensionPoints.getExtensionPoint(ModelFactoryExtensionPoint.class);

+        this.httpBindingFactory = modelFactories.getFactory(HTTPBindingFactory.class);

+        this.extensionProcessor = (StAXArtifactProcessor<Object>)extensionProcessor;

+        this.extensionAttributeProcessor = extensionAttributeProcessor;

+        this.monitor = monitor;

+    }

+    

+    public QName getArtifactType() {

+        return BINDING_HTTP_QNAME;

+    }

+    

+    public Class<HTTPBinding> getModelType() {

+        return HTTPBinding.class;

+    }

+

+    public HTTPBinding read(XMLStreamReader reader) 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 (BINDING_HTTP_QNAME.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);

+                         if (extension != null) {

+                             if (extension instanceof WireFormat) {

+                                 httpBinding.setRequestWireFormat((WireFormat)extension);

+                             } else if(extension instanceof OperationSelector) {

+                                 httpBinding.setOperationSelector((OperationSelector)extension);

+                             }

+                         }

+                     }

+ 

+            }

+            

+            if (event == END_ELEMENT && BINDING_HTTP_QNAME.equals(reader.getName())) {

+                break;

+            }

+            

+            // Read the next element

+            if (reader.hasNext()) {

+                reader.next();

+            }

+        }

+

+        return httpBinding;

+    }

+

+    public void write(HTTPBinding httpBinding, XMLStreamWriter writer) throws ContributionWriteException, XMLStreamException {

+        //writer.writeStartElement(Constants.SCA10_NS, BINDING_HTTP);

+        

+        writeStart(writer, BINDING_HTTP_QNAME.getNamespaceURI(), BINDING_HTTP_QNAME.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) throws ContributionResolveException {

+        // Should not need to do anything here for now... 

+        

+    }

+    

+    /**

+     * Report a error.

+     * 

+     * @param problems

+     * @param message

+     * @param model

+     */

+    private void error(String message, Object model, Object... messageParameters) {

+         if (monitor != null) {

+                Problem problem = new ProblemImpl(this.getClass().getName(), "binding-http-validation-messages", Severity.ERROR, model, message, (Object[])messageParameters);

+                monitor.problem(problem);

+         }

+    }

+

+}

diff --git a/java/sca/modules/binding-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.http.HTTPBindingFactory b/java/sca/modules/binding-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.http.HTTPBindingFactory
new file mode 100644
index 0000000000..44da6b166c
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.binding.http.HTTPBindingFactory
@@ -0,0 +1,19 @@
+# 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. 
+
+# Implementation class for model factory
+org.apache.tuscany.sca.binding.http.impl.HTTPBindingFactoryImpl
diff --git a/java/sca/modules/binding-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor b/java/sca/modules/binding-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
new file mode 100644
index 0000000000..ac004e826a
--- /dev/null
+++ b/java/sca/modules/binding-http/src/main/resources/META-INF/services/org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor
@@ -0,0 +1,19 @@
+# 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. 
+
+# Implementation class for the artifact processor extension
+org.apache.tuscany.sca.binding.http.xml.HTTPBindingProcessor;qname=http://tuscany.apache.org/xmlns/sca/1.0#binding.http,model=org.apache.tuscany.sca.binding.http.HTTPBinding,factory=org.apache.tuscany.sca.binding.http.HTTPBindingFactory