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}

        throws Exception {
        if (shouldProcess(actionCtx)) {
            Command command = getCommand(actionCtx);


            if (command != null) {
                return (command.execute(actionCtx));
            }
        }


        return (false);
    }

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        }


        Command command = getCommand(context);


        if (command != null) {
            return command.execute(getContext(context));
        } else {
            return false;
        }
    }

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            if (LOG.isTraceEnabled()) {
                LOG.trace("Calling exceptionCommand '" + exceptionCommand + "'");
            }


            command.execute(context);
        } catch (Exception e) {
            LOG.warn("Exception from exceptionCommand '" + exceptionCommand
                + "'", e);
            throw new IllegalStateException("Exception chain threw exception");
        }

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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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        Map<String, FieldProperty> fieldProperties = new HashMap<String, FieldProperty>();
        Catalog generators = catalog.getCatalog();
        Command inspectorChain = generators.getCommand("InspectorChain");
        FieldContext context = new FieldContext(fieldProperties, type);
        try {
            inspectorChain.execute(context);
        } catch (Exception e) {
            //TODO what now?
        }


        return fieldProperties;

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