articletypeaddsubaction.java

一个很好的jbpm应用实例

package c20.struts.action;

import java.io.IOException;
import java.util.zip.ZipInputStream;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;
import org.jbpm.JbpmConfiguration;
import org.jbpm.JbpmContext;
import org.jbpm.graph.def.ProcessDefinition;

import c20.entity.ArticleType;
import c20.service.ArticleTypeService;
import c20.struts.form.UploadDeployForm;

/**
 * 
 * 增加文章类型操作Action类
 * 
 * @struts.action path="/articletypeaddsub" scope="request" validate="false"
 */
public class ArticleTypeAddSubAction extends Action {
	private static final Log log = LogFactory.getLog(MainAction.class);

    /**
     * JBPM服务接口实现对象
     */
	private JbpmConfiguration jbpmConfiguration;
    /**
     * 文章类型服务接口实现对象
     */
	private ArticleTypeService articleTypeService;
	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		log.debug("MainAction.execute()");

		UploadDeployForm theForm = (UploadDeployForm) form;
		FormFile file = theForm.getFiles();// 取得上传的文件
		//得到JBPM环境
		JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
		try {
			//解压zip文件流
			ZipInputStream zipInputStream = new ZipInputStream(file
					.getInputStream());
			ProcessDefinition processDefinition = ProcessDefinition
					.parseParZipInputStream(zipInputStream);
			//发布流程文件
			jbpmContext.deployProcessDefinition(processDefinition);
			jbpmContext.close();
			zipInputStream.close();
			//增加文章类型
			ArticleType articleType = new ArticleType();
			articleType.setPdName(processDefinition.getName());
			articleType.setTypeName(theForm.getTypeName());
			
			articleTypeService.addArticleType(articleType);
		} catch (IOException e) {
			log.error("exception", e);
		}
		
		request.setAttribute("success","发布成功");
		
		return mapping.findForward("success");
	}

	/**
	 * 得到JBPM服务接口实现对象
	 * @return jbpmConfiguration
	 */
	public JbpmConfiguration getJbpmConfiguration() {
		return jbpmConfiguration;
	}

	/**
	 * 设置JBPM服务接口实现对象
	 * @param jbpmConfiguration
	 *            要设置的 jbpmConfiguration
	 */
	public void setJbpmConfiguration(JbpmConfiguration jbpmConfiguration) {
		this.jbpmConfiguration = jbpmConfiguration;
	}

	/**
	 * 得到文章类型服务接口实现对象
	 * @return articleTypeService
	 */
	public ArticleTypeService getArticleTypeService() {
		return articleTypeService;
	}

	/**
	 * 设置文章类型服务接口实现对象
	 * @param articleTypeService 要设置的 articleTypeService
	 */
	public void setArticleTypeService(ArticleTypeService articleTypeService) {
		this.articleTypeService = articleTypeService;
	}

}