+/**
+ * ============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.gui;
+
+import java.util.Enumeration;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.onap.aaf.auth.env.AuthzTrans;
+import org.onap.aaf.auth.rserv.HttpCode;
+import org.onap.aaf.auth.rserv.HttpMethods;
+import org.onap.aaf.misc.env.Slot;
+
+public class Display {
+ private final Page get;
+ public Display(final AAF_GUI gui, final HttpMethods meth, final Page page) {
+ get = page;
+ final String[] fields = page.fields();
+ final Slot slots[] = new Slot[fields.length];
+ String prefix = page.name() + '.';
+ for(int i=0;i<slots.length;++i) {
+ slots[i] = gui.env.slot(prefix + fields[i]);
+ }
+
+ /*
+ * We handle all the "Form POST" calls here with a naming convention that allows us to create arrays from strings.
+ *
+ * On the HTTP side, elements concatenate their name with their Index number (if multiple). In this code,
+ * we turn such names into arrays with same index number. Then, we place them in the Transaction "Properties" so that
+ * it can be transferred to subclasses easily.
+ */
+ if(meth.equals(HttpMethods.POST)) {
+ // Here, we'll expect FORM URL Encoded Data, which we need to get from the body
+ gui.route(gui.env, meth, page.url(),
+ new HttpCode<AuthzTrans,AAF_GUI>(gui,page.name()) {
+ @Override
+ public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+ trans.put(gui.slot_httpServletRequest, req);
+ for(int i=0; i<fields.length;++i) {
+ int idx = fields[i].indexOf("[]");
+ if(idx<0) { // single value
+ trans.put(slots[i], req.getParameter(fields[i])); // assume first value
+ } else { // multi value - Expect Values to be set with Field root name "field.<int>" corresponding to an array of types
+ String field=fields[i].substring(0, idx)+'.';
+ String[] array = new String[16];
+ for(Enumeration<String> names = req.getParameterNames(); names.hasMoreElements();) {
+ String key = names.nextElement();
+ if(key.startsWith(field)) {
+ try {
+ int x = Integer.parseInt(key.substring(field.length()));
+ if(x>=array.length) {
+ String[] temp = new String[x+10];
+ System.arraycopy(temp, 0, temp, 0, array.length);
+ array = temp;
+ }
+ array[x]=req.getParameter(key);
+ } catch (NumberFormatException e) {
+ trans.debug().log(e);
+ }
+ }
+ }
+ trans.put(slots[i], array);
+ }
+ }
+ page.replay(context,trans,resp.getOutputStream(),"general");
+ }
+ }, "application/x-www-form-urlencoded","*/*");
+
+ } else {
+ // Transfer whether Page shouldn't be cached to local Final var.
+ final boolean no_cache = page.no_cache;
+
+ gui.route(gui.env, meth, page.url(),
+ new HttpCode<AuthzTrans,AAF_GUI>(gui,page.name()) {
+ @Override
+ public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+ trans.put(gui.slot_httpServletRequest, req);
+ for(int i=0; i<slots.length;++i) {
+ int idx = fields[i].indexOf("[]");
+ if(idx<0) { // single value
+ trans.put(slots[i], req.getParameter(fields[i]));
+ } else { // multi value
+ String[] array = new String[30];
+ String field=fields[i].substring(0, idx);
+
+ for(Enumeration<String> mm = req.getParameterNames();mm.hasMoreElements();) {
+ String key = mm.nextElement();
+ if(key.startsWith(field)) {
+ try {
+ int x = Integer.parseInt(key.substring(field.length()));
+ if(x>=array.length) {
+ String[] temp = new String[x+10];
+ System.arraycopy(temp, 0, temp, 0, array.length);
+ array = temp;
+ }
+ array[x]=req.getParameter(key);
+ } catch (NumberFormatException e) {
+ trans.debug().log(e);
+ }
+ }
+ }
+ trans.put(slots[i], array);
+ }
+ }
+ page.replay(context,trans,resp.getOutputStream(),"general");
+ }
+
+ @Override
+ public boolean no_cache() {
+ return no_cache;
+ }
+ }, "text/html","*/*");
+ }
+
+ }
+
+ public Page page() {
+ return get;
+ }
+}
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