actionportlet.java

GridSphere 门户 提供一个基于 portlet 的高级开放源代码门户。GridSphere 是在欧盟提供基金的 GridLab 项目下开发的

        doMode(request, response);
    }

    /**
     * Simply forwards to #doView
     *
     * @param request  the portlet request
     * @param response the portlet response
     * @throws PortletException if a portlet exception occurs
     * @throws IOException      if an I/O error occurs
     */
    public void doHelp(RenderRequest request, RenderResponse response) throws PortletException, IOException {
        log.debug("ActionPortlet: in doHelp");
        setNextState(request, DEFAULT_HELP_PAGE);
        doView(request, response);
    }

    protected String getLocalizedText(PortletRequest req, String key) {
        Locale locale = req.getLocale();
        ResourceBundle bundle = ResourceBundle.getBundle("Portlet", locale);
        return bundle.getString(key);
    }

    public String getParameter(PortletRequest request, String param) {
        String value = request.getParameter(param);
        return (value == null) ? "" : value;
    }

    public String getParameter(PortletRequest request, String param, String defaultValue) {
        String value = request.getParameter(param);
        return (value == null) ? defaultValue : value;
    }

    public String[] getParameterValues(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        return (values == null) ? new String[0] : values;
    }

    public int getParameterAsInt(PortletRequest request, String param) {
        return getParameterAsInt(request, param, 0);
    }

    public int getParameterAsInt(PortletRequest request, String param, int defaultValue) {
        String value = request.getParameter(param);
        if (value == null)
            return defaultValue;
        if (value.equals(""))
            return defaultValue;
        try {
            return (new Integer(value)).intValue();
        } catch (Exception e) {
            return defaultValue;
        }
    }

    public int[] getParameterValuesAsInt(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new int[0];
        } else {
            int objs[] = new int[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Integer(value)).intValue();
                } catch (Exception e) {
                    objs[ii] = 0;
                }
            }
            return objs;
        }
    }

    public long getParameterAsLng(PortletRequest request, String param) {
        return getParameterAsLng(request, param, 0);
    }

    public long getParameterAsLng(PortletRequest request, String param, long defaultValue) {
        String value = request.getParameter(param);
        if (value == null)
            return defaultValue;
        if (value.equals(""))
            return defaultValue;
        try {
            return (new Long(value)).longValue();
        } catch (Exception e) {
            return defaultValue;
        }
    }

    public long[] getParameterValuesAsLng(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new long[0];
        } else {
            long objs[] = new long[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Long(value)).longValue();
                } catch (Exception e) {
                    objs[ii] = 0;
                }
            }
            return objs;
        }
    }

    public float getParameterAsFlt(PortletRequest request, String param) {
        return getParameterAsFlt(request, param, (float) 0.0);
    }

    public float getParameterAsFlt(PortletRequest request, String param, float defaultValue) {
        String value = request.getParameter(param);
        if (value == null)
            return defaultValue;
        if (value.equals(""))
            return defaultValue;
        try {
            return (new Float(value)).floatValue();
        } catch (Exception e) {
            return defaultValue;
        }
    }

    public float[] getParameterValuesAsFlt(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new float[0];
        } else {
            float objs[] = new float[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Float(value)).floatValue();
                } catch (Exception e) {
                    objs[ii] = 0;
                }
            }
            return objs;
        }
    }

    public double getParameterAsDbl(PortletRequest request, String param) {
        return getParameterAsDbl(request, param, 0.0);
    }

    public double getParameterAsDbl(PortletRequest request, String param, double defaultValue) {
        String value = request.getParameter(param);
        if (value == null)
            return defaultValue;
        if (value.equals(""))
            return defaultValue;
        try {
            return (new Double(value)).doubleValue();
        } catch (Exception e) {
            return defaultValue;
        }
    }


    public double[] getParameterValuesAsDbl(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new double[0];
        } else {
            double objs[] = new double[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Double(value)).doubleValue();
                } catch (Exception e) {
                    objs[ii] = 0;
                }
            }
            return objs;
        }
    }

    public boolean getParameterAsBool(PortletRequest request, String param) {
        String value = request.getParameter(param);
        if (value == null) return false;
        if (value.equals("")) return false;
        if (value.equals("true")) return true;
        return false;
    }

    public boolean[] getParameterValuesAsBool(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new boolean[0];
        } else {
            boolean objs[] = new boolean[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                if (value.equals("")) objs[ii] = false;
                if (value.equals("true")) objs[ii] = true;
                objs[ii] = false;
            }
            return objs;
        }
    }

    public Integer getParameterAsInteger(PortletRequest request, String param) {
        String value = request.getParameter(param);
        if (value == null)
            return (new Integer(0));
        if (value.equals("")) value = "0";
        try {
            return (new Integer(value));
        } catch (Exception e) {
            return (new Integer(0));
        }
    }

    public Integer[] getParameterValuesAsInteger(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new Integer[0];
        } else {
            Integer objs[] = new Integer[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Integer(value));
                } catch (Exception e) {
                    objs[ii] = (new Integer(0));
                }
            }
            return objs;
        }
    }

    public Float getParameterAsFloat(PortletRequest request, String param) {
        String value = request.getParameter(param);
        if (value == null)
            return (new Float(0.0));
        if (value.equals("")) value = "0";
        try {
            return (new Float(value));
        } catch (Exception e) {
            return (new Float(0.0));
        }
    }

    public Float[] getParameterValuesAsFloat(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new Float[0];
        } else {
            Float objs[] = new Float[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Float(value));
                } catch (Exception e) {
                    objs[ii] = (new Float(0.0));
                }
            }
            return objs;
        }
    }

    public Double getParameterAsDouble(PortletRequest request, String param) {
        String value = request.getParameter(param);
        if (value == null)
            return (new Double(0.0));
        if (value.equals("")) value = "0";
        try {
            return (new Double(value));
        } catch (Exception e) {
            return (new Double(0.0));
        }
    }

    public Double[] getParameterValuesAsDouble(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new Double[0];
        } else {
            Double objs[] = new Double[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                try {
                    objs[ii] = (new Double(value));
                } catch (Exception e) {
                    objs[ii] = (new Double(0.0));
                }
            }
            return objs;
        }
    }

    public Boolean getParameterAsBoolean(PortletRequest request, String param) {
        String value = request.getParameter(param);
        if (value == null) return Boolean.FALSE;
        if (value.equals("")) return Boolean.FALSE;
        if (value.equals("true")) return Boolean.TRUE;
        return Boolean.FALSE;
    }

    public Boolean[] getParameterValuesAsBoolean(PortletRequest request, String param) {
        String values[] = request.getParameterValues(param);
        if (values == null) {
            return new Boolean[0];
        } else {
            Boolean objs[] = new Boolean[values.length];
            for (int ii = 0; ii < values.length; ++ii) {
                String value = values[ii];
                if (value.equals("")) objs[ii] = Boolean.FALSE;
                if (value.equals("true")) objs[ii] = Boolean.TRUE;
                objs[ii] = Boolean.FALSE;
            }
            return objs;
        }
    }

    public List<String> getParameterValuesAsList(PortletRequest request, String param) {
        // Create list for values
        List<String> listValues = new ArrayList<String>();
        // Get parameter values
        String paramValues[] = getParameterValues(request, param);
        for (int ii = 0; ii < paramValues.length; ++ii) {
            listValues.add(paramValues[ii]);
        }
        return listValues;
    }

    public Map getParameterValuesAsMap(PortletRequest request, String param) {
        // Create list for values
        Map<String, String> mapValues = new HashMap<String, String>();
        // Get parameter values
        String paramValues[] = getParameterValues(request, param);
        for (int ii = 0; ii < paramValues.length; ++ii) {
            String paramValue = paramValues[ii];
            int index = paramValue.indexOf(":");
            if (index < 0) {
                continue;
            }
            String key = paramValue.substring(0, index);
            String value = paramValue.substring(index + 1, paramValue.length());
            mapValues.put(key, value);
        }
        return mapValues;
    }

    protected String getUniqueId() {
        //log.debug("setting unique cid: " + this.getPortletConfig().getPortletName());
        return this.getPortletConfig().getPortletName();
    }

    public PortletService createPortletService(Class serviceClass) throws PortletServiceException {
        return PortletServiceFactory.createPortletService(serviceClass, true);
    }

    protected void createErrorMessage(FormEvent evt, String text) {
        MessageBoxBean msgBox = evt.getMessageBoxBean("msg");
        msgBox.setMessageType(MessageStyle.MSG_ERROR);
        String msgOld = msgBox.getValue();
        msgBox.setValue((msgOld != null ? msgOld : "") + "\n" + text);
    }

    protected void createSuccessMessage(FormEvent evt, String text) {
        MessageBoxBean msg = evt.getMessageBoxBean("msg");
        msg.setValue(text);
        msg.setMessageType(MessageStyle.MSG_SUCCESS);
    }

}