package er.extensions.components.javascript;
import java.util.Enumeration;
import org.apache.log4j.Logger;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.foundation.NSDictionary;
import com.webobjects.foundation.NSMutableDictionary;
/**
* Class for Wonder Component ERXJSVariables.
*
* @binding sample sample binding explanation
*
* @author ak on Sat May 03 2003
*/
public class ERXJSVariables extends WOComponent {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
/** logging support */
private static final Logger log = Logger.getLogger(ERXJSVariables.class);
public NSDictionary _arguments;
protected String currentKey;
/**
* Public constructor
* @param context the context
*/
public ERXJSVariables(WOContext context) {
super(context);
}
/** component does not synchronize it's variables */
@Override
public boolean synchronizesVariablesWithBindings() { return false; }
public NSDictionary arguments() {
if(_arguments == null) {
Object o = valueForBinding("arguments");
if(o != null)
_arguments = ((NSDictionary)o).mutableClone();
else
_arguments = new NSMutableDictionary();
for(Enumeration e = bindingKeys().objectEnumerator(); e.hasMoreElements();) {
String s = (String)e.nextElement();
if(s.indexOf("?") == 0) {
Object obj = valueForBinding(s);
if(obj != null)
((NSMutableDictionary)_arguments).setObjectForKey(obj, s.substring(1));
}
}
}
return _arguments;
}
public String currentKey() {
return currentKey;
}
public String currentValue() {
Object s = arguments().valueForKeyPath(currentKey());
s = s == null ? "null" : s;
return s.toString();
}
}