com.liferay.portal.kernel.trash.BaseJSPTrashRenderer.java Source code

Introduction

Here is the source code for com.liferay.portal.kernel.trash.BaseJSPTrashRenderer.java

Source

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.kernel.trash;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @author Alexander Chow
 */
public abstract class BaseJSPTrashRenderer extends BaseTrashRenderer {

    public abstract String getJspPath(HttpServletRequest httpServletRequest, String template);

    @Override
    public boolean include(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse,
            String template) throws Exception {

        ServletContext servletContext = getServletContext(httpServletRequest);

        String jspPath = getJspPath(httpServletRequest, template);

        if (Validator.isNull(jspPath)) {
            return false;
        }

        RequestDispatcher requestDispatcher = servletContext.getRequestDispatcher(jspPath);

        try {
            requestDispatcher.include(httpServletRequest, httpServletResponse);

            return true;
        } catch (ServletException se) {
            _log.error("Unable to include JSP " + jspPath, se);

            throw new IOException("Unable to include " + jspPath, se);
        }
    }

    public void setServletContext(ServletContext servletContext) {
        _servletContext = servletContext;
    }

    protected ServletContext getServletContext(HttpServletRequest httpServletRequest) {

        if (_servletContext != null) {
            return _servletContext;
        }

        return (ServletContext) httpServletRequest.getAttribute(WebKeys.CTX);
    }

    private static final Log _log = LogFactoryUtil.getLog(BaseJSPTrashRenderer.class);

    private ServletContext _servletContext;

}