package com.atlassian.sal.core.pluginsettings;
   
   import com.atlassian.sal.api.pluginsettings.PluginSettings;
   import com.atlassian.sal.core.util.Assert;
   
   /**
    * PluginSettings implementation that delegates to another PluginSettings, adding a prefix to every key passed in
    */
   public class PrefixedPluginSettingsDelegate implements PluginSettings
  {
      private final String prefix;
      private final PluginSettings target;
  
      public PrefixedPluginSettingsDelegate(String prefix, PluginSettings target)
      {
          Assert.notNull(prefix, "Prefix must not be null");
          Assert.notNull(target, "Target must not be null");
          this.prefix = prefix;
          this.target = target;
      }
  
      public Object get(String key)
      {
          return target.get(prefix + key);
      }
  
      public Object put(String key, Object value)
      {
          return target.put(prefix + key, value);
      }
  
      public Object remove(String key)
      {
          return target.remove(prefix + key);
      }
  }