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

/*
 * @author <a href="mailto:[e-mail]">Jason Novotny</a>
 *
 * @version $Id: BaseFormEventImpl.java 4709 2006-03-31 20:41:54Z novotny $
 */
package org.gridsphere.provider.event.jsr.impl;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUpload;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.servlet.ServletRequestContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gridsphere.portlet.impl.SportletProperties;
import org.gridsphere.provider.portletui.beans.*;
import org.gridsphere.services.core.persistence.QueryFilter;

import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.*;

/**
 * The <code>FormEventImpl</code> provides methods for creating/retrieving visual beans
 * from the <code>PortletRequest</code>
 */
public abstract class BaseFormEventImpl {

    protected transient static Log log = LogFactory.getLog(BaseFormEventImpl.class);

    protected PortletRequest portletRequest;
    protected PortletResponse portletResponse;
    protected Locale locale = null;

    protected Map<String, TagBean> tagBeans = null;
    protected List<FileItem> fileItems = null;

    protected String cid = null;
    protected String compId = null;

    protected BaseFormEventImpl() {

    }

    public BaseFormEventImpl(PortletRequest request, PortletResponse response) {
        this.portletRequest = request;
        this.portletResponse = response;
        locale = (Locale) portletRequest.getPortletSession(true).getAttribute(SportletProperties.LOCALE);
        if (locale == null) locale = portletRequest.getLocale();
        if (locale == null) locale = Locale.ENGLISH;
        cid = (String) portletRequest.getAttribute(SportletProperties.COMPONENT_ID);
        compId = (String) portletRequest.getAttribute(SportletProperties.GP_COMPONENT_ID);
    }

    public PortletRequest getRequest() {
        return portletRequest;
    }

    protected void configureBean(TagBean tagBean) {
        tagBean.setLocale(locale);
        if (cid != null) tagBean.addParam(SportletProperties.COMPONENT_ID, cid);
        if (compId != null) tagBean.addParam(SportletProperties.GP_COMPONENT_ID, compId);
    }

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

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

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

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

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

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

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

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

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

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

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

    }

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

    /**
     * Return an existing <code>FileInputBean</code> or create a new one
     *
     * @param beanId the bean identifier
     * @return a FileInputBean
     * @throws IOException if an error occurs
     */
    public FileInputBean getFileInputBean(String beanId) throws IOException {
        String beanKey = getBeanKey(beanId);
        if (tagBeans.containsKey(beanKey)) {
            return (FileInputBean) tagBeans.get(beanKey);
        }
        FileInputBean fi = new FileInputBean(beanId);
        configureBean(fi);
        tagBeans.put(beanKey, fi);
        return fi;
    }

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