Examples of org.apache.commons.chain.Command.execute()

org.apache.commons.chain.Command.execute()

Execute a unit of processing work to be performed. This {@link Command} may either complete the required processingand return true, or delegate remaining processing to the next {@link Command} in a {@link Chain} containing this{@link Command} by returning false @param context The {@link Context} to be processed by this{@link Command} @exception Exception general purpose exception returnto indicate abnormal termination @exception IllegalArgumentException if contextis null @return true if the processing of this {@link Context}has been completed, or false if the processing of this {@link Context} should be delegated to a subsequent{@link Command} in an enclosing {@link Chain}

        }


        // Map to the Command specified by the extra path info
        Catalog catalog = (Catalog) context.get(getCatalogKey());
        Command command = catalog.getCommand(servletPath);
        return (command.execute(context));


    }




}

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     */
    public boolean execute(Context context) throws Exception {


        Command command = getCommand(context);
        if (command != null) {
            boolean result = (command.execute(context));
            if (isIgnoreExecuteResult()) {
                return false;
            }
            return result;
        } else {

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            Command command = catalog.getCommand(getExceptionCommand());
            if (log.isTraceEnabled()) {
                log.trace("Calling handler command '" + getExceptionCommand()
                          + "'");
            }
            command.execute(context);
        } catch (Exception e) {
            log.warn("Exception from handler command '" +
                     getExceptionCommand() + "'", e);
            throw new IllegalStateException("Exception chain threw exception");
        }

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        Command command = this.catalog.getCommand("servlet-standard");
        try {
            if (log.isDebugEnabled()) {
                log.debug("Using processing chain for this request");
            }
            command.execute(context);
        } catch (Exception e) {
            // Execute the exception processing chain??
            throw new ServletException(e);
        }

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         if (cmd == null)
            throw new Exception("No 'displayResource' command found");
         ctx.put("path", currentPath);
         ctx.put("cache-control-max-age", getServletConfig().getInitParameter("cache-control-max-age"));
         cmd.execute(ctx);
      }
      catch (Exception e)
      {
         e.printStackTrace();
         throw new ServletException(e);

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      if (cmd == null)
         throw new ServletException("No Command found " + commandName);
      try
      {
         cmd.execute(ctx);
      }
      catch (Exception e)
      {
         e.printStackTrace();
         throw new ServletException(e);

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      ctx.put("name", "testProperty");
      ctx.put("propertyType", PropertyType.TYPENAME_STRING);
      ctx.put("values", "testValue");
      ctx.put("multiValued", Boolean.FALSE);


      c.execute(ctx);


      Command save = cservice.getCatalog().getCommand("save");
      save.execute(ctx);


   }

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      ctx.put("multiValued", Boolean.FALSE);


      c.execute(ctx);


      Command save = cservice.getCatalog().getCommand("save");
      save.execute(ctx);


   }


   public void testGetNodes() throws Exception
   {

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   public void testGetNodes() throws Exception
   {


      Command c = cservice.getCatalog().getCommand("getNodes");
      ctx.put("currentNode", "/");
      c.execute(ctx);


      assertTrue(ctx.get("result") instanceof NodeIterator);
      NodeIterator nodes = (NodeIterator)ctx.get("result");


      // System.out.println("> getNodes >> "+nodes.getSize());

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      ctx.put("currentNode", "/");
      ctx.put("path", "resource");
      ctx.put("data", "Node data");
      ctx.put("mimeType", "text/html");


      c.execute(ctx);


      Command save = cservice.getCatalog().getCommand("save");
      ctx.put("path", "/");
      save.execute(ctx);

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