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.gwt;
021    
022    import com.google.gwt.i18n.client.Dictionary;
023    
024    import java.util.Set;
025    
026    public final class Configuration {
027    
028      private Configuration() {
029        // only static methods
030      }
031    
032      public static String getSonarVersion() {
033        return getParameter("version");
034      }
035    
036      /**
037       * Get the id of the selected resource. Can be null if none resource is selected.
038       */
039      public static String getResourceId() {
040        return getParameter("resource_key");
041      }
042    
043      public static String getParameter(String key) {
044        return getParameter(key, null);
045      }
046    
047      public static String getParameter(String key, String defaultValue) {
048        String result = getDictionaryEntry("config", key);
049        if (result == null) {
050          result = defaultValue;
051        }
052        return result;
053      }
054    
055      public static native void setParameter(String key, String val)  /*-{
056        $wnd.config[key] = val;
057      }-*/;
058    
059      public static String getRequestParameter(String key) {
060        return getDictionaryEntry("rp", key);
061      }
062    
063      public static String getRequestParameter(String key, String defaultValue) {
064        String value = getRequestParameter(key);
065        return (value!=null ? value : defaultValue);
066      }
067    
068      public static Set<String> getParameterKeys() {
069        return getDictionaryKeys("config");
070      }
071    
072      public static Set<String> getRequestParameterKeys() {
073        return getDictionaryKeys("rp");
074      }
075    
076      private static String getDictionaryEntry(String dictionaryName, String key) {
077        try {
078          Dictionary dic = Dictionary.getDictionary(dictionaryName);
079          if (dic != null) {
080            return dic.get(key);
081          }
082          return null;
083    
084        } catch (Exception e) {
085          return null;
086        }
087      }
088    
089      private static Set<String> getDictionaryKeys(String dictionaryName) {
090        Dictionary dic = Dictionary.getDictionary(dictionaryName);
091        if (dic != null) {
092          return dic.keySet();
093        }
094        return null;
095      }
096    
097    }