JspPortlet.java :  » Portal » Open-Portal » com » sun » portal » jspportlet » Java Open Source

/**
 * $Id: JspPortlet.java,v 1.1 2004/06/23 00:27:42 jtb Exp $
 * Copyright 2003 Sun Microsystems, Inc. All
 * rights reserved. Use of this product is subject
 * to license terms. Federal Acquisitions:
 * Commercial Software -- Government Users
 * Subject to Standard License Terms and
 * Conditions.
 *
 * Sun, Sun Microsystems, the Sun logo, and Sun ONE
 * are trademarks or registered trademarks of Sun Microsystems,
 * Inc. in the United States and other countries.
 */
package com.sun.portal.jspportlet;

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

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.InputStream;

import java.util.Locale;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Collections;

public class JspPortlet extends GenericPortlet {
    private PortletContext pContext;

    public void init(PortletConfig config) throws PortletException {
        super.init(config);
        pContext = config.getPortletContext();
    }

    public void doView(RenderRequest request,RenderResponse response)
        throws PortletException,IOException {
        String contentPage = getContentJSP(request);

  response.setContentType(request.getResponseContentType());
        if (contentPage != null && contentPage.length() != 0) {
            try {
                PortletRequestDispatcher dispatcher = pContext.getRequestDispatcher(contentPage);
                dispatcher.include(request, response);
            } catch (IOException e) {
                throw new PortletException("JSPPortlet.doView exception", e);
            }
        }

    }

    public void doEdit(RenderRequest request,RenderResponse response)
        throws PortletException {
        String editPage = getEditJSP(request);

  response.setContentType(request.getResponseContentType());
        if (editPage != null && editPage.length() != 0) {
            try {
                PortletRequestDispatcher dispatcher = pContext.getRequestDispatcher(editPage);
                dispatcher.include(request, response);
            } catch (IOException e) {
                throw new PortletException("JSPPortlet.doEdit exception", e);
            }
        }
    }

    public void doHelp(RenderRequest request,RenderResponse response)
        throws PortletException {
        String helpPage = getHelpJSP(request);

  response.setContentType(request.getResponseContentType());
        if (helpPage != null && helpPage.length() != 0) {
            try {
                PortletRequestDispatcher dispatcher = pContext.getRequestDispatcher(helpPage);
                dispatcher.include(request, response);
            } catch (IOException e) {
                throw new PortletException("JSPPortlet.doHelp exception", e);
            }
        }
    }

    public void processAction (ActionRequest request, ActionResponse actionResponse)
    throws PortletException, java.io.IOException {
        actionResponse.setRenderParameters(request.getParameterMap());
    }

    protected String getContentJSP(RenderRequest request) throws PortletException {
        PortletPreferences pref = request.getPreferences();
        String contentPage = pref.getValue("contentPage","");
        return getLocalizedJSP(request.getLocale(), contentPage);
    }

    protected String getEditJSP(RenderRequest request) throws PortletException {
        PortletPreferences pref = request.getPreferences();
        String editPage = pref.getValue("editPage","");
        return getLocalizedJSP(request.getLocale(), editPage);
    }

    protected String getHelpJSP(RenderRequest request) throws PortletException {
        PortletPreferences pref = request.getPreferences();
        String helpPage = pref.getValue("helpPage","");
  return getLocalizedJSP(request.getLocale(), helpPage);
    }
    
    protected String getLocalizedJSP(Locale locale, String jspPath) {
  String realJspPath = jspPath;

  if (locale != null) {
      int separator = jspPath.lastIndexOf("/");
      String jspBaseDir = jspPath.substring(0, separator);
      String jspFileName = jspPath.substring(separator+1);
      PortletContext pContext = getPortletContext();
                
      String searchPath = getJSPPath(jspBaseDir,
             locale.toString(),
             jspFileName);

      // search the requested JSP from the following location:
      // <ctxt_root>/<portlet_base_dir>_<language>_<country>/<jsp_file_name>
      if (pContext.getResourceAsStream(searchPath) != null) {
    realJspPath = searchPath;
      } else {
    // if the country code is not empty, try to search the 
    // requested JSP from the following location:
    // <ctxt_root>/<portlet_base_dir>_<language>/<jsp_file_name>
    if (!locale.getCountry().equals("")) {
        searchPath = getJSPPath(jspBaseDir, 
              locale.getLanguage(),
              jspFileName);

        if (pContext.getResourceAsStream(searchPath) != null) {
      realJspPath = searchPath;
        }
    }
      }      
  }
  return realJspPath;
    }

    private String getJSPPath(String jspBaseDir,
            String localeStr,
            String jspFileName) {
  StringBuffer sb = new StringBuffer();
  sb.append(jspBaseDir)
      .append("_")
      .append(localeStr)
      .append("/")
      .append(jspFileName);        
  return sb.toString();
    }
}