複数ファイルアップロード対応のActionクラス。

UploadAction.java

/**
 *
 */
package lumi.action.upload;

import java.io.File;
import java.util.HashMap;
import java.util.Map;

import lombok.Getter;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import lumi.action.LumiActionSupport;

import org.apache.commons.io.FileUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.convention.annotation.Results;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionSupport;

/**
 * @author A-pZ
 *
 */
@Namespace("/upload")
@ParentPackage("lumi-default")
@Results({
	@Result(name = ActionSupport.SUCCESS, type = "json" , params={"root","result"}),
})
@Controller
@Scope("prototype")
@Slf4j
public class UploadAction extends LumiActionSupport {

	@Action("upload")
	public String upload() throws Exception {

		for (int i=0;i<picture.length;i++ ) {
			// 中間ファイルをコピー
			File uploadFile = new File( UPLOAD_DIR + "/" + pictureFileName[i]);

			FileUtils.copyFile(picture[i], uploadFile);
			log.info( " upload [" + uploadFile.getAbsolutePath() + "] complete." );
		}

		result = new HashMap<String,Object>();
		result.put("result", "success");
		result.put("message", getText("upload.complete"));

		return ActionSupport.SUCCESS;
	}

	private static final String UPLOAD_DIR = "E:/deploy";

	@Getter
	@Setter
	private File[] picture;
	@Getter
	@Setter
	private String[] pictureContentType;
	@Getter
	@Setter
	private String[] pictureFileName;
	@Getter
	private Map<String,Object> result;
}