lookupform.java

Struts最早是作为Apache Jakarta项目的组成部分问世运作。项目的创立者希望通过对该项目的研究

package ch03;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;

public class LookupForm extends ActionForm {

  private String symbol = null;

  public String getSymbol() {

    return (symbol);
  }

  public void setSymbol(String symbol) {

    this.symbol = symbol;
  }

  public void reset(ActionMapping mapping,
    HttpServletRequest request) {

    this.symbol = null;
  }

  public ActionErrors validate(ActionMapping mapping,
    HttpServletRequest request) {

    ActionErrors errors = new ActionErrors();

    if ( (symbol == null ) || (symbol.length() == 0) ) {

      errors.add("symbol",
        new ActionError("errors.lookup.symbol.required"));
    }
    return errors;
  }
}