baseformeventimpl.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

    /**
     * Return an existing <code>TextAreaBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a TextAreaBean
     */
    public TextAreaBean getTextAreaBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (TextAreaBean) tagBeans.get(beanKey);
        }
        TextAreaBean ta = new TextAreaBean(beanId);
        configureBean(ta);
        tagBeans.put(beanKey, ta);
        return ta;
    }

    /**
     * Return an existing <code>FrameBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a FrameBean
     */
    public FrameBean getFrameBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (FrameBean) tagBeans.get(beanKey);
        }
        FrameBean fb = new FrameBean(beanId);
        configureBean(fb);
        //System.err.println("Creating new frame bean" + beanId + " bean key= " + beanKey);
        tagBeans.put(beanKey, fb);
        return fb;
    }

    /**
     * Return an existing <code>TextBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a TextBean
     */
    public TextBean getTextBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        //log.debug("Checking for textbean with bean key=" + beanKey);
        if (tagBeans.containsKey(beanKey)) {
            return (TextBean) tagBeans.get(beanKey);
        }
        TextBean tb = new TextBean(beanId);
        configureBean(tb);
        tagBeans.put(beanKey, tb);
        return tb;
    }

    /**
     * Return an existing <code>ImageBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a ImageBean
     */
    public ImageBean getImageBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (ImageBean) tagBeans.get(beanKey);
        }
        ImageBean ib = new ImageBean(beanId);
        configureBean(ib);
        tagBeans.put(beanKey, ib);
        return ib;

    }

    /**
     * Return an existing <code>IncludeBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a IncludeBean
     */
    public IncludeBean getIncludeBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (IncludeBean) tagBeans.get(beanKey);
        }
        IncludeBean includeBean = new IncludeBean(beanId);
        configureBean(includeBean);
        tagBeans.put(beanKey, includeBean);
        return includeBean;
    }


    /**
     * Return an existing <code>ActionComponentBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a IncludeBean
     */
    public ActionComponentBean getActionComponentBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (ActionComponentBean) tagBeans.get(beanKey);
        }
        ActionComponentBean bean = new ActionComponentBean(beanId);
        configureBean(bean);
        tagBeans.put(beanKey, bean);
        return bean;
    }

    /**
     * Return an existing <code>TableBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a TableBean
     */
    public TableBean getTableBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (TableBean) tagBeans.get(beanKey);
        }
        TableBean tb = new TableBean(beanId);
        configureBean(tb);
        tagBeans.put(beanKey, tb);
        return tb;
    }

    /**
     * Return an existing <code>TableRowBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a TableRowBean
     */
    public TableRowBean getTableRowBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (TableRowBean) tagBeans.get(beanKey);
        }
        TableRowBean tr = new TableRowBean(beanId);
        configureBean(tr);
        tagBeans.put(beanKey, tr);
        return tr;
    }

    /**
     * Return an existing <code>TableCellBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a TableCellBean
     */
    public TableCellBean getTableCellBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (TableCellBean) tagBeans.get(beanKey);
        }
        TableCellBean tc = new TableCellBean(beanId);
        configureBean(tc);
        tagBeans.put(beanKey, tc);
        return tc;
    }

    /**
     * Return an existing <code>ListBoxBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a ListBoxBean
     */
    public ListBoxBean getListBoxBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (ListBoxBean) tagBeans.get(beanKey);
        }
        ListBoxBean lb = new ListBoxBean(beanId);
        configureBean(lb);
        tagBeans.put(beanKey, lb);
        return lb;
    }

    /**
     * Return an existing <code>ListBoxItemBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a ListBoxItemBean
     */
    public ListBoxItemBean getListBoxItemBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (ListBoxItemBean) tagBeans.get(beanKey);
        }
        ListBoxItemBean lb = new ListBoxItemBean(beanId);
        configureBean(lb);
        tagBeans.put(beanKey, lb);
        return lb;
    }

    /**
     * Return an existing <code>MessageBoxBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a IncludeBean
     */
    public MessageBoxBean getMessageBoxBean(String beanId) {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (MessageBoxBean) tagBeans.get(beanKey);
        }
        MessageBoxBean messageBoxBean = new MessageBoxBean(beanId);
        configureBean(messageBoxBean);
        tagBeans.put(beanKey, messageBoxBean);
        return messageBoxBean;
    }

    /**
     * Prints the request parameters to stdout. Generally used for debugging
     */
    public void logRequestParameters() {
        StringBuffer sb = new StringBuffer();
        sb.append("\n\n show request params\n--------------------\n");

        Enumeration e = null;
        if (portletRequest != null) {
            e = portletRequest.getParameterNames();
        }
        if (e != null) {
            while (e.hasMoreElements()) {
                String name = (String) e.nextElement();
                sb.append("\t\tname :").append(name);
                String values[] = null;
                if (portletRequest != null) {
                    values = portletRequest.getParameterValues(name);
                }
                if (values != null) {
                    if (values.length == 1) {
                        String pval = values[0];
                        if (!name.startsWith("ui_pb")) {
                            sb.append("\t\t value : ").append(pval);
                        }
                    } else {
                        sb.append("\t\t value :");
                        for (int i = 0; i < values.length; i++) {
                            sb.append("\t\t  - ").append(values[i]);
                        }
                    }
                }
            }
        }
        sb.append("--------------------\n");
        log.debug(sb.toString());
    }

    /**
     * Prints the request attributes to stdout. Generally used for debugging
     */
    public void logRequestAttributes() {
        StringBuffer sb = new StringBuffer();
        sb.append("\n\n show request attributes\n--------------------\n");
        Enumeration e = null;
        if (portletRequest != null) {
            e = portletRequest.getAttributeNames();
        }
        if (e != null) {
            while (e.hasMoreElements()) {
                String name = (String) e.nextElement();
                sb.append("name :").append(name);
            }
        }
        sb.append("--------------------\n");
        log.debug(sb.toString());
    }

    /**
     * Parses all request parameters for visual beans.
     * A visual bean parameter has the following encoding:
     * ui_<visual bean element>_<bean Id>_name
     * where <visual bean element> is a two letter encoding of the kind of
     * visual bean that it is.
     */
    protected void createTagBeans() {
        if (tagBeans == null) tagBeans = new HashMap<String, TagBean>();
        Map<String, String[]> paramsMap;
        // check for file upload
        paramsMap = parseFileUpload();
        Enumeration e = portletRequest.getParameterNames();
        if (e != null) {
            while (e.hasMoreElements()) {
                String uiname = (String) e.nextElement();
                String[] vals = null;
                vals = portletRequest.getParameterValues(uiname);
                paramsMap.put(uiname, vals);
            }
        }
        for (String s : paramsMap.keySet()) {

            String uiname = (String) s;
            String vb = "";
            String name;
            String beanId = "";

            if (!uiname.startsWith("ui")) continue;
            //log.debug("found a tag bean: " + uiname);

            String vbname = uiname.substring(3);


            int idx = vbname.indexOf("_");

            if (idx > 0) {
                vb = vbname.substring(0, idx);
            }

            vbname = vbname.substring(idx + 1);