+/**
+ * ============LICENSE_START====================================================
+ * org.onap.ccsdk
+ * ===========================================================================
+ * Copyright (c) 2023 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.ccsdk.apps.cadi.filter;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import jakarta.servlet.Filter;
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.ServletRequest;
+import jakarta.servlet.ServletResponse;
+
+import org.onap.ccsdk.apps.cadi.util.Holder;
+
+/**
+ * Add various Filters by CADI Property not in the official Chain
+ *
+ * @author Instrumental(Jonathan)
+ *
+ */
+public class SideChain {
+ private List<Filter> sideChain;
+
+ public SideChain() {
+ sideChain = new ArrayList<Filter>();
+ }
+
+ public void add(Filter f) {
+ sideChain.add(f);
+ }
+
+ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)throws IOException, ServletException {
+ final Holder<Boolean> hbool = new Holder<Boolean>(Boolean.TRUE);
+ FilterChain truth = new FilterChain() {
+ @Override
+ public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
+ hbool.set(Boolean.TRUE);
+ }
+ public String toString() {
+ return hbool.get().toString();
+ }
+ };
+ for(Filter f : sideChain) {
+ hbool.set(Boolean.FALSE);
+ f.doFilter(request, response, truth);
+ if(!hbool.get()) {
+ return;
+ }
+ }
+ if(hbool.get()) {
+ chain.doFilter(request, response);
+ }
+ }
+}