1 /*******************************************************************************
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2 * ============LICENSE_START====================================================
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4 * * ===========================================================================
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5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * * Copyright © 2017 Amdocs
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7 * * ===========================================================================
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8 * * Licensed under the Apache License, Version 2.0 (the "License");
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9 * * you may not use this file except in compliance with the License.
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10 * * You may obtain a copy of the License at
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12 * * http://www.apache.org/licenses/LICENSE-2.0
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14 * * Unless required by applicable law or agreed to in writing, software
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15 * * distributed under the License is distributed on an "AS IS" BASIS,
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16 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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17 * * See the License for the specific language governing permissions and
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18 * * limitations under the License.
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19 * * ============LICENSE_END====================================================
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21 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
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23 ******************************************************************************/
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24 package com.att.cssa.rserv;
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26 import java.io.IOException;
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27 import java.security.Principal;
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29 import javax.servlet.Filter;
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30 import javax.servlet.FilterChain;
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31 import javax.servlet.FilterConfig;
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32 import javax.servlet.ServletException;
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33 import javax.servlet.ServletRequest;
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34 import javax.servlet.ServletResponse;
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36 import com.att.inno.env.TimeTaken;
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37 import com.att.inno.env.TransStore;
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40 * Create a new Transaction Object for each and every incoming Transaction
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42 * Attach to Request. User "FilterHolder" mechanism to retain single instance.
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44 * TransFilter includes CADIFilter as part of the package, so that it can
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45 * set User Data, etc, as necessary.
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49 public abstract class TransOnlyFilter<TRANS extends TransStore> implements Filter {
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51 public void init(FilterConfig filterConfig) throws ServletException {
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56 protected abstract TRANS newTrans();
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57 protected abstract TimeTaken start(TRANS trans, ServletRequest request);
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58 protected abstract void authenticated(TRANS trans, Principal p);
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59 protected abstract void tallyHo(TRANS trans);
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62 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
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63 TRANS trans = newTrans();
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65 TimeTaken overall = start(trans,request);
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67 request.setAttribute(TransFilter.TRANS_TAG, trans);
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68 chain.doFilter(request, response);
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76 public void destroy() {
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