001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.html.annotation;
014
015import static org.apache.juneau.html.HtmlDocSerializer.*;
016import static org.apache.juneau.internal.StringUtils.*;
017
018import java.util.*;
019import java.util.regex.*;
020
021import org.apache.juneau.*;
022import org.apache.juneau.html.*;
023import org.apache.juneau.reflect.*;
024import org.apache.juneau.svl.*;
025
026/**
027 * Applies {@link HtmlDocConfig} annotations to a {@link PropertyStoreBuilder}.
028 */
029public class HtmlDocConfigApply extends ConfigApply<HtmlDocConfig> {
030
031   /**
032    * Constructor.
033    *
034    * @param c The annotation class.
035    * @param r The resolver for resolving values in annotations.
036    */
037   public HtmlDocConfigApply(Class<HtmlDocConfig> c, VarResolverSession r) {
038      super(c, r);
039   }
040
041   @Override
042   public void apply(AnnotationInfo<HtmlDocConfig> ai, PropertyStoreBuilder psb) {
043      HtmlDocConfig a = ai.getAnnotation();
044      if (a.aside().length > 0)
045         psb.set(HTMLDOC_aside, resolveList(a.aside(), psb.peek(String[].class, HTMLDOC_aside)));
046      if (a.footer().length > 0)
047         psb.set(HTMLDOC_footer, resolveList(a.footer(), psb.peek(String[].class, HTMLDOC_footer)));
048      if (a.head().length > 0)
049         psb.set(HTMLDOC_head, resolveList(a.head(), psb.peek(String[].class, HTMLDOC_head)));
050      if (a.header().length > 0)
051         psb.set(HTMLDOC_header, resolveList(a.header(), psb.peek(String[].class, HTMLDOC_header)));
052      if (a.nav().length > 0)
053         psb.set(HTMLDOC_nav, resolveList(a.nav(), psb.peek(String[].class, HTMLDOC_nav)));
054      if (a.navlinks().length > 0)
055         psb.set(HTMLDOC_navlinks, resolveLinks(a.navlinks(), psb.peek(String[].class, HTMLDOC_navlinks)));
056      if (! a.noResultsMessage().isEmpty())
057         psb.set(HTMLDOC_noResultsMessage, string(a.noResultsMessage()));
058      if (! a.nowrap().isEmpty())
059         psb.set(HTMLDOC_nowrap, bool(a.nowrap()));
060      if (a.script().length > 0)
061         psb.set(HTMLDOC_script, resolveList(a.script(), psb.peek(String[].class, HTMLDOC_script)));
062      if (a.style().length > 0)
063         psb.set(HTMLDOC_style, resolveList(a.style(), psb.peek(String[].class, HTMLDOC_style)));
064      if (a.stylesheet().length > 0)
065         psb.set(HTMLDOC_stylesheet, resolveList(a.stylesheet(), psb.peek(String[].class, HTMLDOC_stylesheet)));
066      if (a.template() != HtmlDocTemplate.Null.class)
067         psb.set(HTMLDOC_template, a.template());
068      for (Class<? extends HtmlWidget> w : a.widgets()) {
069         try {
070            psb.addTo(HTMLDOC_widgets, w.newInstance());
071         } catch (Exception e) {
072            e.printStackTrace();
073         }
074      }
075   }
076
077   private static final Pattern INDEXED_LINK_PATTERN = Pattern.compile("(?s)(\\S*)\\[(\\d+)\\]\\:(.*)");
078
079   private String[] resolveLinks(Object[] value, String[] prev) {
080      List<String> list = new ArrayList<>();
081      for (Object v : value) {
082         String s = string(stringify(v));
083         if (s == null)
084            return new String[0];
085         if ("INHERIT".equals(s)) {
086            if (prev != null)
087               list.addAll(Arrays.asList(prev));
088         } else if (s.indexOf('[') != -1 && INDEXED_LINK_PATTERN.matcher(s).matches()) {
089            Matcher lm = INDEXED_LINK_PATTERN.matcher(s);
090            lm.matches();
091            String key = lm.group(1);
092            int index = Math.min(list.size(), Integer.parseInt(lm.group(2)));
093            String remainder = lm.group(3);
094            list.add(index, key.isEmpty() ? remainder : key + ":" + remainder);
095         } else {
096            list.add(s);
097         }
098      }
099      return list.toArray(new String[list.size()]);
100   }
101
102   private String[] resolveList(Object[] value, String[] prev) {
103      Set<String> set = new LinkedHashSet<>();
104      for (Object v : value) {
105         String s = string(stringify(v));
106         if ("INHERIT".equals(s)) {
107            if (prev != null)
108               set.addAll(Arrays.asList(prev));
109         } else if ("NONE".equals(s)) {
110            return new String[0];
111         } else {
112            set.add(s);
113         }
114      }
115      return set.toArray(new String[set.size()]);
116   }
117}