Node.java

package vrml.node;
//JAS import java.util.Hashtable;
import vrml.Field;
import vrml.ConstField;
import vrml.BaseNode;
import vrml.FWJavaScript;
import vrml.*;

//
// This is the general Node class
//
public class Node extends BaseNode
{
    public Node(String id) {
        super(id);
    }


    // Get an EventIn by name. Return value is write-only.
    //   Throws an InvalidEventInException if eventInName isn't a valid
    //   eventIn name for a node of this type.
    public final Field getEventIn(String eventInName) {

        String ftype = FWJavaScript
            .getFieldType(this, eventInName, "eventIn");
        if (ftype.equals("ILLEGAL"))
            throw new InvalidEventInException(_get_nodeid()+"."+eventInName);


        /* split field type from field offset */
        System.out.println ("eventIn: " + ftype);
        String sp[] = ftype.split (" ");
        // type is in sp[0]
        Field fval = FWCreateField.createField(sp[0]);
        fval.setOffset(ftype);
        fval.bind_to(new FWJavaScriptBinding(this, eventInName));
        return fval;
    }

    // Get an EventOut by name. Return value is read-only.
    //   Throws an InvalidEventOutException if eventOutName isn't a valid
    //   eventOut name for a node of this type.
    public final ConstField getEventOut(String eventOutName) {
        String ftype = FWJavaScript
            .getFieldType(this, eventOutName, "eventOut");

        if (ftype.equals("ILLEGAL"))
            throw new InvalidEventOutException(_get_nodeid()+"."+eventOutName);

        /* split field type from field offset */
        String sp[] = ftype.split (" ");

        ConstField fval = FWCreateField.createConstField(sp[0]);
        fval.setOffset(ftype);
        fval.bind_to(new FWJavaScriptBinding(this, eventOutName));
        return fval;
    }

    // Get an exposed field by name.
    //   Throws an InvalidExposedFieldException if exposedFieldName isn't a valid
    //   exposedField name for a node of this type.
    public final Field getExposedField(String exposedFieldName) {
        String ftype = FWJavaScript
            .getFieldType(this, exposedFieldName, "exposedField");
        if (ftype.equals("ILLEGAL"))
            throw new InvalidExposedFieldException(_get_nodeid()+"."
                                                   +exposedFieldName);

        /* split field type from field offset */
        String sp[] = ftype.split (" ");

        Field fval = FWCreateField.createField(sp[0]);
        fval.setOffset(ftype);

        fval.bind_to(new FWJavaScriptBinding(this, exposedFieldName));
        return fval;
    }
}