//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.deploy;
  
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.net.MalformedURLException;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Properties;
  
  import org.eclipse.jetty.util.annotation.ManagedAttribute;
  import org.eclipse.jetty.util.annotation.ManagedObject;
  import org.eclipse.jetty.util.annotation.ManagedOperation;
  import org.eclipse.jetty.util.annotation.Name;
  import org.eclipse.jetty.util.resource.Resource;
  
  /**
   * FileConfigurationManager
   * 
   * Supplies properties defined in a file.
   */
  @ManagedObject("Configure deployed webapps via properties")
  public class PropertiesConfigurationManager implements ConfigurationManager
  {
      private String _properties;
      private final Map<String,String> _map = new HashMap<String,String>();
  
      public PropertiesConfigurationManager(String properties)
      {
      }
      
      public PropertiesConfigurationManager()
      {
      }
  
      @ManagedAttribute("A file or URL of properties")
      public void setFile(String resource) throws MalformedURLException, IOException
      {
          _properties=resource;
          _map.clear();
          loadProperties(_properties);
      }
  
      public String getFile()
      {
          return _properties;
      }
      
      @ManagedOperation("Set a property")
      public void put(@Name("name")String name, @Name("value")String value)
      {
          _map.put(name,value);
      }
      
      /**
       * @see org.eclipse.jetty.deploy.ConfigurationManager#getProperties()
       */
      @Override
      public Map<String, String> getProperties()
      {
          return new HashMap<>(_map);
      }
  
      private void loadProperties(String resource) throws FileNotFoundException, IOException
      {   
          Resource file=Resource.newResource(resource);
          if (file!=null && file.exists())
          {
              Properties properties = new Properties();
              properties.load(file.getInputStream());
              for (Map.Entry<Object, Object> entry : properties.entrySet())
                  _map.put(entry.getKey().toString(),String.valueOf(entry.getValue()));
          }
      }
  }