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利用Stripes、Apache Derby和Eclipse进行无配置的J2EE开发(二) - 编程入门网

作者 佚名技术 来源 NET编程 浏览 发布时间 2012-06-17

利用Stripes、Apache Derby和Eclipse进行无配置的J2EE开发(二)(5)

时间:2011-03-26 IBM B.J. Allmon

清单 7 展示了 glossary.action.GlossaryActionBean.java。

清单 7. Glossary.action.GlossaryActionBean.java

<![CDATA[ package glossary.action; import glossary.Term; import glossary.dao.MyGlossaryTerm; import java.util.ArrayList; import java.util.Collections; import java.util.List; import net.sourceforge.stripes.action.ActionBean; import net.sourceforge.stripes.action.ActionBeanContext; import net.sourceforge.stripes.action.DefaultHandler; import net.sourceforge.stripes.action.ForwardResolution; import net.sourceforge.stripes.action.HandlesEvent; import net.sourceforge.stripes.action.RedirectResolution; import net.sourceforge.stripes.action.Resolution; import net.sourceforge.stripes.action.UrlBinding; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; //http://localhost:8080/article/glossary/action/Glossary.action @UrlBinding("/glossary/action") public class GlossaryActionBean implements ActionBean {    private static final Log log = LogFactory.getLog (GlossaryActionBean.class);    private List results = new ArrayList();    private Term term;    private MyGlossaryTerm gmt;    private ActionBeanContext context;    public ActionBeanContext getContext() {      return context;    }    public void setContext(ActionBeanContext actionBeanContext) {      this.context = actionBeanContext;    }    @DefaultHandler    public Resolution load() {      log.info("loading");      results.clear();      results = MyGlossaryTerm.getInstance().findAllWords();      //resultSize = getResultSize();      // just here for debugging purposes      if (results == null) {        results = new ArrayList();        results.add("ERROR LOADING GLOSSARY.");      }      return new ForwardResolution("/glossary/index.jsp");    }    @HandlesEvent("editForm")    public Resolution editForm() {      setTerm(gmt.getSingleTerm(this.term.getId()));      return new RedirectResolution("/glossary/termEdit.jsp").flash (this);    }    @HandlesEvent("save")    public Resolution save() {      Term updatedTerm = new Term();      updatedTerm.setId(this.term.getId());      updatedTerm.setDefinition(this.term.getDefinition());      gmt.updateTerm(updatedTerm);      return new RedirectResolution ("/glossary/action/Glossary.action")        .flash(this);    }    @HandlesEvent("delete")    public Resolution delete() {      gmt.deleteTerm(this.term.getId());      return new RedirectResolution ("/glossary/action/Glossary.action")        .flash(this);    }    @HandlesEvent("addForm")    public Resolution 

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