public String getStringValue(DataBinder binder) {
    // binder can't get a non existent param
    if (this.name == null || this.name.equals("")) {
      return null;
    }

    String value = (String) binder.getLocal(this.name);

    if (value == null && this.required) {
      throw new IllegalArgumentException("Parameter " + name + " is required");
    }

    return value;
  }
public String getStringValue(DataBinder binder) {
    
    if (this.name == null || this.name.equals("")) {
      return null;
    }

    String value = (String) binder.getLocal(this.name);

    if (value == null && this.required) {
      throw new IllegalArgumentException("Parameter " + name + " is required");
    }

    return value;
  }
public String getStringValue ( DataBinder binder ) { // binder can't get a non existent param if ( this . name == null || this . name . equals ( "" ) ) { return null ; } String value = ( String ) binder . getLocal ( this . name ) ; if ( value == null && this . required ) { throw new IllegalArgumentException ( "Parameter " + name + " is required" ) ; } return value ; }
Get the string value from binder.
Get the string value from binder .