FreeWRLField.java

package sai;
import org.web3d.x3d.sai.*;

public class FreeWRLField implements X3DField {
        String RLreturn;
        String command;
        String node;
        String dataType;
        String nodePtr;
        String offset;
        String datasize;
        String scripttype;
        boolean disposed;

        protected FreeWRLFieldDefinition fieldDef;
        protected Object userData;
        protected FreeWRLBrowser browser;

        public FreeWRLField(FreeWRLFieldDefinition def, FreeWRLBrowser b) {
                fieldDef = def;
                userData = null;
                browser = b;
                disposed = false;
        }
        
        public String toString() {
                String str;
                str = new String("Field with command " + command + " for node " + node);
                return str;
        }

        public X3DFieldDefinition getDefinition() throws InvalidFieldException, ConnectionException{
                checkValid();
                return fieldDef;
        }
        public boolean isReadable() throws InvalidFieldException, ConnectionException {
                checkValid();
                int type = fieldDef.getAccessType();
                if ((type == FreeWRLFieldTypes.INPUT_OUTPUT) || (type == FreeWRLFieldTypes.OUTPUT_ONLY))
                        return true;
                else
                        return false;
        }
        public boolean isWritable() throws InvalidFieldException, ConnectionException {
                checkValid();
                int type = fieldDef.getAccessType();
                if ((type == FreeWRLFieldTypes.INPUT_OUTPUT) || (type == FreeWRLFieldTypes.INPUT_ONLY))
                        return true;
                else
                        return false;
        }
        public void addX3DEventListener (X3DFieldEventListener l) throws ConnectionException, InvalidFieldException {
                int evType;
                checkValid();
                evType = fieldDef.getFieldType();
                browser.RegisterListener(l, (Object) userData, nodePtr, offset, dataType,  datasize, evType); 
        }

        public void removeX3DEventListener(X3DFieldEventListener l) throws ConnectionException, InvalidFieldException {
                int evType;
                checkValid();
                evType = fieldDef.getFieldType();
                browser.unRegisterListener(l, nodePtr, offset, dataType, datasize, evType); 
        }

        public void setUserData(Object data) throws InvalidFieldException, ConnectionException {
                checkValid();
                userData = data;
        }

        public Object getUserData() throws InvalidFieldException, ConnectionException {
                checkValid();
                return userData;
        }

        public void dispose() {
                disposed = true;
        }

        public void checkValid() {
                if (disposed) {
                        throw new InvalidFieldException("This field has been disposed");
                }
        }

        public void setCommand(String com) {
                command = com;
        }

        public void setNode(String nod) {
                node = nod;
        }

        public void setDataType (String dt) {
                dataType = dt;
        }

        public void setNodePtr(String np) {
                nodePtr = np;
        }

        public void setOffset(String off) {
                offset = off;
        }

        public void setDataSize(String ds) {
                datasize = ds;
        }
        
        public void setScriptType(String st) {
                scripttype = st;
        }

        public String getDataSize() {
                return datasize;
        }

        public String getScriptType() {
                return scripttype;
        }

        public String getCommand() {
                return command;
        }
        
        public String getNode() {
                return node;
        }

        public String getDataType() {
                return dataType;
        }
        
        public String getNodePtr() {
                return nodePtr;
        }

        public String getOffset() {
                return offset;
        }
}