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/*
* 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.runtime.webapp;
import javax.servlet.http.HttpServletRequest;
import org.apache.tuscany.core.component.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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