/*
 * Copyright 2015-Present Entando Inc. (http://www.entando.com) 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.agiletec.apsadmin.system;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.FileUploadInterceptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.agiletec.aps.system.SystemConstants;
import com.agiletec.aps.system.services.baseconfig.ConfigInterface;
import com.agiletec.aps.util.ApsWebApplicationUtils;
import com.opensymphony.xwork2.ActionInvocation;

/**
 * Extension of default FileUploadInterceptor.
 * @author E.Santoboni
 */
public class ApsFileUploadInterceptor extends FileUploadInterceptor {

	private static final Logger _logger = LoggerFactory.getLogger(ApsFileUploadInterceptor.class);
	
	@Override
	public String intercept(ActionInvocation invocation) throws Exception {
		if (null == super.maximumSize || super.maximumSize == 0) {
			ConfigInterface configManager = (ConfigInterface) ApsWebApplicationUtils.getBean(SystemConstants.BASE_CONFIG_MANAGER, ServletActionContext.getRequest());
			String maxSizeParam = configManager.getParam(SystemConstants.PAR_FILEUPLOAD_MAXSIZE);
			if (null != maxSizeParam) {
				try {
					this.setMaximumSize(Long.parseLong(maxSizeParam));
				} catch (Throwable t) {
					_logger.error("Error parsing param 'maxSize' - value '{}' - message ", maxSizeParam, t);
				}
			}
		}
		if (null == super.maximumSize || super.maximumSize == 0) {
			this.setMaximumSize(DEFAULT_MAX_SIZE);
		}
		return super.intercept(invocation);
	}
	
	public static final Long DEFAULT_MAX_SIZE = 10485760l;
	
}