auth/auth-gui/src/main/java/org/onap/aaf/auth/gui/BreadCrumbs.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.auth.gui;
  23
  24 import static org.onap.aaf.misc.xgen.html.HTMLGen.A;
  25 import static org.onap.aaf.misc.xgen.html.HTMLGen.LI;
  26 import static org.onap.aaf.misc.xgen.html.HTMLGen.UL;
  27
  28 import java.io.IOException;
  29
  30 import javax.servlet.http.HttpServletRequest;
  31
  32 import org.onap.aaf.misc.env.APIException;
  33 import org.onap.aaf.misc.env.TransStore;
  34 import org.onap.aaf.misc.xgen.Cache;
  35 import org.onap.aaf.misc.xgen.DynamicCode;
  36 import org.onap.aaf.misc.xgen.Mark;
  37 import org.onap.aaf.misc.xgen.html.HTMLGen;
  38
  39 public class BreadCrumbs extends NamedCode {
  40         private Page[] breadcrumbs;
  41
  42         public BreadCrumbs(Page ... pages) {
  43                 super(false,"breadcrumbs");
  44                 breadcrumbs = pages;
  45         }
  46
  47         @Override
  48         public void code(final Cache<HTMLGen> cache, final HTMLGen hgen) throws APIException, IOException {
  49                 // BreadCrumbs
  50                 Mark mark = new Mark();
  51                 hgen.incr(mark, UL);
  52                         cache.dynamic(hgen, new DynamicCode<HTMLGen, AAF_GUI, TransStore>() {
  53                                 @Override
  54                                 public void code(AAF_GUI gui, TransStore trans, final Cache<HTMLGen> cache, final HTMLGen hgen) throws APIException, IOException {
  55                                         HttpServletRequest req = trans.get(gui.slot_httpServletRequest, null);
  56                                         StringBuilder key = new StringBuilder();
  57                                         String value, hidden;
  58                                         for(Page p : breadcrumbs) {
  59                                                 hidden="";
  60                                                 // Add keys for page from commandline, where possible.
  61                                                 if(p.fields().length>0) {
  62                                                         boolean first = true;
  63                                                         key.setLength(0);
  64                                                         for(String field : p.fields()) {
  65                                                                 if((value=req.getParameter(field))==null) {
  66                                                                         hidden="style=display:none;";
  67                                                                         break;
  68                                                                 }
  69                                                                 if(first) {
  70                                                                         first = false;
  71                                                                         key.append('?');
  72                                                                 } else {
  73                                                                         key.append("&amp;");
  74                                                                 }
  75                                                                 key.append(field);
  76                                                                 key.append('=');
  77                                                                 key.append(value);
  78                                                         }
  79                                                         hgen.incr(LI,true,hidden);
  80                                                         hgen.leaf(A,"href="+p.url()+key.toString(),hidden).text(p.name()).end(2);
  81                                                 } else {
  82                                                         hgen.incr(LI,true);
  83                                                         hgen.leaf(A,"href="+p.url(),hidden).text(p.name()).end(2);
  84                                                 }
  85                                         }
  86                                 }
  87                         });
  88                 hgen.end(mark);
  89         }
  90 }