package com.atlassian.plugin.web.descriptors;
   
   import com.atlassian.plugin.web.model.WebPanel;
   
   import java.io.IOException;
   import java.io.StringWriter;
   import java.io.Writer;
   import java.util.Map;
   
  /**
   * A test WebPanel that outputs the values passed in the context, or a filler
   * message if the context is empty.
   */
  public class MockWebPanel implements WebPanel
  {
      static final String NOTHING_IN_CONTEXT = "nothing in context";
  
      public String getHtml(Map<String, Object> context)
      {
          StringWriter out = new StringWriter();
          try
          {
              writeHtml(out, context);
              return out.toString();
          }
          catch (IOException e)
          {
              throw new RuntimeException(e);
          }
      }
  
      public void writeHtml(Writer writer, Map<String, Object> context) throws IOException
      {
          if (!context.isEmpty())
          {
              for (Object value : context.values())
              {
                  writer.write(value.toString());
              }
          }
          else
          {
              writer.write(NOTHING_IN_CONTEXT);
          }
      }
  }