Examples of org.zkoss.zk.ui.Execution.include()

org.zkoss.zk.ui.Execution.include()
Includes a page. @param writer the output to write. If null, the response's defaultwriter is used. @param page the page's uri; null to denote the same request @param mode one of {@link #OVERWRITE_URI}, {@link #IGNORE_PARAM}, {@link #APPEND_PARAM} and {@link #PASS_THRU_ATTR}. It defines how to handle if both uri and params contains the same parameter. mode is used only if both uri contains query string and params is not empty.

    final Execution exec = getExecution();
    final String src = exec.toAbsoluteURI(_src, false);
    final Map old = setupDynams(exec);
    ComponentRedraws.beforeRedraw(true); //starting a new page
    try {
      exec.include(out, src, null, 0);
    } catch (Throwable err) {
      setChildPage(null);
    //though DHtmlLayoutServlet handles exception, we still have to
    //handle it because src might not be ZUML
      final String errpg =

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        try {
          exec.setAttribute("javax.servlet.error.message", Exceptions.getMessage(err));
          exec.setAttribute("javax.servlet.error.exception", err);
          exec.setAttribute("javax.servlet.error.exception_type", err.getClass());
          exec.setAttribute("javax.servlet.error.status_code", new Integer(500));
          exec.include(out, errpg, null, 0);
          return; //done
        } catch (IOException ex) { //eat it (connection off)
        } catch (Throwable ex) {
          log.warning("Failed to load the error page: "+errpg, ex);
        }

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        new Object[] {src, Exceptions.getMessage(err),
          Exceptions.formatStackTrace(null, err, null, 6)});
      final HashMap attrs = new HashMap();
      attrs.put(Attributes.ALERT_TYPE, "error");
      attrs.put(Attributes.ALERT, msg);
      exec.include(out,
        "~./html/alert.dsp", attrs, Execution.PASS_THRU_ATTR);
    } finally {
      ComponentRedraws.afterRedraw();
      restoreDynams(exec, old);
    }

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