001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.api.resources;
021    
022    import com.google.common.annotations.Beta;
023    import com.google.common.base.Function;
024    import com.google.common.base.Preconditions;
025    import com.google.common.base.Predicate;
026    import com.google.common.collect.Collections2;
027    import com.google.common.collect.ImmutableMap;
028    import com.google.common.collect.Lists;
029    import com.google.common.collect.Maps;
030    import org.sonar.api.BatchComponent;
031    import org.sonar.api.ServerComponent;
032    
033    import java.util.Collection;
034    import java.util.Collections;
035    import java.util.List;
036    import java.util.Map;
037    
038    /**
039     * @since 2.14
040     */
041    @Beta
042    public final class ResourceTypes implements BatchComponent, ServerComponent {
043    
044      public static final Predicate<ResourceType> AVAILABLE_FOR_FILTERS = new Predicate<ResourceType>() {
045        public boolean apply(ResourceType input) {
046          return Boolean.TRUE.equals(input.getBooleanProperty("availableForFilters"));
047        }
048      };
049    
050      private final Map<String, ResourceTypeTree> treeByQualifier;
051      private final Map<String, ResourceType> typeByQualifier;
052    
053      public ResourceTypes(ResourceTypeTree[] trees) {
054        Preconditions.checkNotNull(trees);
055    
056        Map<String, ResourceTypeTree> treeMap = Maps.newHashMap();
057        Map<String, ResourceType> typeMap = Maps.newLinkedHashMap();
058    
059        for (ResourceTypeTree tree : trees) {
060          for (ResourceType type : tree.getTypes()) {
061            if (treeMap.containsKey(type.getQualifier())) {
062              throw new IllegalStateException("Qualifier " + type.getQualifier() + " is defined in several trees");
063            }
064            treeMap.put(type.getQualifier(), tree);
065            typeMap.put(type.getQualifier(), type);
066          }
067        }
068        treeByQualifier = ImmutableMap.copyOf(treeMap);
069        typeByQualifier = ImmutableMap.copyOf(typeMap);
070      }
071    
072      public ResourceType get(String qualifier) {
073        ResourceType type = typeByQualifier.get(qualifier);
074        return type != null ? type : ResourceType.builder(qualifier).build();
075      }
076    
077      public Collection<ResourceType> getAll() {
078        return typeByQualifier.values();
079      }
080    
081      public Collection<ResourceType> getAll(Predicate<ResourceType> predicate) {
082        return Collections2.filter(typeByQualifier.values(), predicate);
083      }
084    
085      public List<String> getChildrenQualifiers(String qualifier) {
086        ResourceTypeTree tree = getTree(qualifier);
087        if (tree != null) {
088          return tree.getChildren(qualifier);
089        }
090        return Collections.emptyList();
091      }
092    
093      public List<ResourceType> getChildren(String qualifier) {
094        return Lists.transform(getChildrenQualifiers(qualifier), new Function<String, ResourceType>() {
095          public ResourceType apply(String s) {
096            return typeByQualifier.get(s);
097          }
098        });
099      }
100    
101      public List<String> getLeavesQualifiers(String qualifier) {
102        ResourceTypeTree tree = getTree(qualifier);
103        if (tree != null) {
104          return tree.getLeaves();
105        }
106        return Collections.emptyList();
107      }
108    
109      public ResourceTypeTree getTree(String qualifier) {
110        return treeByQualifier.get(qualifier);
111      }
112    }