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/**
* ============LICENSE_START====================================================
* org.onap.aaf
* ===========================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ===========================================================================
* 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.
* ============LICENSE_END====================================================
*
*/
package org.onap.aaf.auth.rserv;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.onap.aaf.cadi.principal.TaggedPrincipal;
import org.onap.aaf.misc.env.TimeTaken;
import org.onap.aaf.misc.env.TransStore;
/**
* Create a new Transaction Object for each and every incoming Transaction
*
* Attach to Request. User "FilterHolder" mechanism to retain single instance.
*
* TransFilter includes CADIFilter as part of the package, so that it can
* set User Data, etc, as necessary.
*
* @author Jonathan
*
*/
public abstract class TransOnlyFilter<TRANS extends TransStore> implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
protected abstract TRANS newTrans(HttpServletRequest req, HttpServletResponse resp);
protected abstract TimeTaken start(TRANS trans);
protected abstract void authenticated(TRANS trans, TaggedPrincipal p);
protected abstract void tallyHo(TRANS trans);
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
TRANS trans = newTrans((HttpServletRequest)request,(HttpServletResponse)response);
TimeTaken overall = start(trans);
try {
request.setAttribute(TransFilter.TRANS_TAG, trans);
chain.doFilter(request, response);
} finally {
overall.done();
}
tallyHo(trans);
}
@Override
public void destroy() {
};
}
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