/*
* CapFileUploadOpStep.java
*
* Copyright (c) 2009-2012 International Integrated System, Inc.
* All Rights Reserved.
*
* Licensed Materials - Property of International Integrated System, Inc.
*
* This software is confidential and proprietary information of
* International Integrated System, Inc. ("Confidential Information").
*/
package com.iisigroup.cap.operation.step;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.multipart.MaxUploadSizeExceededException;
import org.springframework.web.multipart.MultipartException;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
import com.iisigroup.cap.component.IRequest;
import com.iisigroup.cap.exception.CapException;
import com.iisigroup.cap.exception.CapMessageException;
import com.iisigroup.cap.handler.IHandler;
import com.iisigroup.cap.operation.OpStepContext;
import com.iisigroup.cap.utils.CapMath;
/**
* <pre>
* 檔案上傳
* </pre>
*
* @since 2010/7/23
* @author iristu
* @version <ul>
* <li>2010/7/23,iristu,new
* <li>2012/2/29,iristu,上傳檔案預設最大size(limitSize)，當接收檔案超出時，則拒絕接收。
* <li>2012/9/20,iristu,改用MultipartResolver接收檔用
* </ul>
*/
public class CapFileUploadOpStep extends AbstractCustomizeOpStep {
protected static Log logger = LogFactory.getLog(CapFileUploadOpStep.class);
private CommonsMultipartResolver multipartResolver;
String fileSizeLimitErrorCode;
public void setMultipartResolver(CommonsMultipartResolver multipartResolver) {
this.multipartResolver = multipartResolver;
}
public void setFileSizeLimitErrorCode(String fileSizeLimitErrorCode) {
this.fileSizeLimitErrorCode = fileSizeLimitErrorCode;
}
protected MultipartHttpServletRequest uploadFile(IRequest params) {
if (params.containsKey("limitSize")) {
multipartResolver.setMaxUploadSize(params
.getParamsAsInteger("limitSize"));
}
if (params.containsKey("fileEncoding")) {
multipartResolver.setDefaultEncoding(params.get("fileEncoding"));
}
try {
return multipartResolver
.resolveMultipart((HttpServletRequest) params
.getServletRequest());
} catch (MaxUploadSizeExceededException fe) {
CapMessageException me = new CapMessageException(
fileSizeLimitErrorCode, getClass());
Object[] extra = new Object[] { CapMath.divide(
String.valueOf(fe.getMaxUploadSize()), "1048576", 2) };
me.setMessageKey(fileSizeLimitErrorCode);
me.setExtraInformation(extra);
throw me;
} catch (MultipartException e) {
throw new CapException(e, getClass());
}
}// ;
@Override
public OpStepContext execute(OpStepContext ctx, IRequest params,
IHandler handler) {
MultipartHttpServletRequest req = uploadFile(params);
params.setRequestObject(req);
return ctx.setGoToStep(NEXT);
}
}