ParameterTag.java

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package template;
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.PageContext;
import java.util.*;

public class ParameterTag extends SimpleTagSupport {
   private String paramName = null;
   private String paramValue = null;
   private String isDirectString = null;

   public ParameterTag() {
      super();
   }
   public void setName(String paramName) {
      this.paramName = paramName;
   }
   public void setValue(String paramValue) {
      this.paramValue = paramValue;
   }
   public void setDirect(String isDirectString) {
      this.isDirectString = isDirectString;
   }
   public void doTag() {
      boolean isDirect = false;

      if ((isDirectString != null) && 
         isDirectString.toLowerCase().equals("true"))
         isDirect = true;

      try {
         // retrieve the parameters list
        if (paramName != null) {
          ArrayList parameters = ((ScreenTag)getParent()).getParameters();
          if (parameters != null) {
            Parameter param = new Parameter(paramName, paramValue, isDirect);
            parameters.add(param);
          } else 
            Debug.println("ParameterTag: parameters do not exist.");              
        }
      } catch (Exception e) {
         Debug.println("ParameterTag: error in doTag: " + e);
      }
   }
}