[Liferay] Hello world サンプル

view.jsp
<%@page contentType="text/html; charset=UTF-8" %>
<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>
<jsp:useBean id="userName" class="java.lang.String" scope="request"></jsp:useBean>

<portlet:defineObjects />
日本語テスト
<br/>
Hello <%=userName%>.

edit.jsp

<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %>
<%@page contentType="text/html; charset=UTF-8" %>
<jsp:useBean id="addNameUrl" class="java.lang.String" scope="request"></jsp:useBean>
<jsp:useBean id="userName" class="java.lang.String" scope="request"></jsp:useBean>
<portlet:defineObjects/>
<form id="<portlet:namespace></portlet:namespace>/helloForm" action="<%=addNameUrl%>" method="post">
<table>
 <tr>
  <td>Name:</td>
  <td>
   <input type="text" name="username" value="<%=userName%>"/>
  </td>
 </tr>
</table>
<input type="submit" id="nameButton" title="Add NameT" value = "Add NameV" />
</form>
日本語ページテスト

HelloYouPortlet.java

package com.mytest;

import java.io.IOException;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.PortletMode;
import javax.portlet.PortletPreferences;
import javax.portlet.PortletRequestDispatcher;
import javax.portlet.PortletURL;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


public class HelloYouPortlet extends GenericPortlet
{
 private static Log _log = LogFactory.getLog(HelloYouPortlet.class);

 protected String editJSP;
 protected String viewJSP;
 
 @Override
    public void init() throws PortletException
    {
     // TODO Auto-generated method stub
     super.init();
     
     editJSP = getInitParameter("edit-jsp");
     viewJSP = getInitParameter("view-jsp");
    }

 @Override
    public void doEdit(RenderRequest request, RenderResponse response) throws PortletException, IOException
    {
     GetContent1(request);
     response.setContentType("text/html");
     PortletURL addName = response.createActionURL();
     addName.setParameter("addName", "addname");
     request.setAttribute("addNameUrl", addName.toString());
     include(editJSP, request, response);
    }

 @Override
    public void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException
    {
     GetContent1(request);
     include(viewJSP, request, response);
    }

 private void GetContent1(RenderRequest request)
    {
     PortletPreferences prefs = request.getPreferences();
     String username = prefs.getValue("name", "no");
     if (username.equalsIgnoreCase("no"))
     {
      username = "";
     }
     request.setAttribute("userName", username);
    }
 
 protected void include(String path, RenderRequest renderRequest, RenderResponse renderResponse) throws PortletException, IOException
    {
     PortletRequestDispatcher portletRequestDispatcher = getPortletContext().getRequestDispatcher(path);

     if (portletRequestDispatcher == null)
     {
      _log.error(path + " is not a valid include.");
     }
     else
     {
      portletRequestDispatcher.include(renderRequest, renderResponse);
     }
    }

 @Override
    public void processAction(ActionRequest request, ActionResponse response) throws PortletException, IOException
    {
  String addName = request.getParameter("addName");
  if (addName != null)
  {
   PortletPreferences prefs = request.getPreferences();
   prefs.setValue("name", request.getParameter("username"));
   prefs.store();
   response.setPortletMode(PortletMode.VIEW);
  }
    }
}