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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.core.context.webapp;
import javax.servlet.http.HttpServletRequest;
import org.apache.tuscany.core.context.ScopeIdentifier;
/**
* Implements a <code>ScopeIdentifier</code> for a Servlet-based transport.
* Wraps an <code>HttpServletRequest</code> so that the session id associated
* with the current request may be lazily retrieved by the module context - i.e.
* if a session context or session-scoped component is not accessed, no session
* is created.
*
* @version $Rev$ $Date$
*/
public class LazyHTTPSessionId implements ScopeIdentifier {
private HttpServletRequest request;
//----------------------------------
// Constructors
//----------------------------------
public LazyHTTPSessionId(HttpServletRequest request) {
this.request = request;
}
//----------------------------------
// Methods
//----------------------------------
/**
* Returns the session identifier
*
* @see org.apache.tuscany.core.context.ScopeIdentifier#getIdentifier()
*/
public Object getIdentifier() {
return request.getSession(true);
}
}
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