FreeWRLNode.java

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

import java.util.*;

public class FreeWRLNode implements X3DNode {
        private String name = null; // Node name
        private int type = -1;  // Node type
        private String ptr = null;  // Pointer to the node
        private String perlPtr = null;
        boolean disposed;
        FreeWRLBrowser browser;

        public FreeWRLNode(FreeWRLBrowser b) {
                browser = b;
                disposed = false;
        }

        public String toString() {
                String str;
                str = new String("NODE" + perlPtr);
                return str;
        }

        public boolean equals(Object o) {
                return (o != null) && (o instanceof FreeWRLNode) && (ptr== ((FreeWRLNode)o).getPointer()); 
        }

        public String getNodeName() throws InvalidNodeException, ConnectionException  {
                checkValid();
                return name;
        }

        public void setPerlPtr(String p) {
                perlPtr = p;
        }

        public String getPerlPtr() {
                return perlPtr;
        }

        public String getName() {
                return name;
        }
        public int[] getNodeType() throws InvalidNodeException, ConnectionException  {
                checkValid();
                String retval;
                int[] ret = new int[1];
                retval = browser.sendGlobalCommand("k " + ptr);
                ret[0] = Integer.parseInt(retval);
                return ret;
        }
        public X3DFieldDefinition[] getFieldDefinitions() throws InvalidNodeException, ConnectionException  {
                String command;
                String retval;
                String name, access, type;
                StringTokenizer tokens;
                FreeWRLFieldDefinition[] defs;
                int numFields;
                int i;
                int iaccess, itype;

                checkValid();
                command = "h " + ptr;
                retval = browser.sendGlobalCommand(command);
                System.out.println("got retval: " + retval);

                tokens= new StringTokenizer(retval);

                if ((retval == null) || (retval.equals(""))) {
                        return null;
                }

                numFields = Integer.parseInt(tokens.nextToken());

                defs = new FreeWRLFieldDefinition[numFields];

                for (i = 0; i < numFields; i++) {
                        name = tokens.nextToken();
                        type = tokens.nextToken();
                        access = tokens.nextToken();
                        itype = FreeWRLFieldTypes.getIntType(type);
                        iaccess = FreeWRLFieldTypes.getAccessFromType(access);
                        defs[i] = new FreeWRLFieldDefinition(name, iaccess, itype);
                }
                
                return defs;
        }
        public X3DField getField(String fieldName) throws InvalidNameException, InvalidNodeException, ConnectionException {
                FreeWRLField ret;
                String NNN = "nodeFrom_getEventIn";
                StringTokenizer tokens;

                checkValid();
                
                // Return the type that is asked for.  To determine the subclass, look at the string.
                String st = browser.SendEventType(perlPtr, ptr, fieldName, "eventIn");
                
                tokens = new StringTokenizer(st);
                String NNPR = tokens.nextToken();
                String NOFF = tokens.nextToken();
                String NDS = tokens.nextToken();
                String NewDT = tokens.nextToken();
                String ScrT = tokens.nextToken();
                String access = tokens.nextToken();

                if (access.equals("FreeWRLPTR")) {
                        throw new InvalidFieldException("Field name " + fieldName + " is not a valid field for this node");
                }
                int ia = FreeWRLFieldTypes.getAccessFromType(access);
                FreeWRLFieldDefinition def;

                if (NewDT.equals("p")) { 
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFString(def, browser);
                } else if (NewDT.equals("k")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFImage(def, browser);
                } else if (NewDT.equals("e")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFTime(def, browser);
                } else if (NewDT.equals("c")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFColor(def, browser);
                } else if (NewDT.equals("l")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFColor(def, browser);
                } else if (NewDT.equals("d")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFFloat(def, browser);
                } else if (NewDT.equals("m")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFFloat(def, browser);
                } else if (NewDT.equals("o")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFInt32(def, browser);
                } else if (NewDT.equals("h")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFNode(def, browser);
                } else if (NewDT.equals("r")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFRotation(def, browser);
                } else if (NewDT.equals("s")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFVec2f(def, browser);
                } else if (NewDT.equals("j")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFVec2f(def, browser);
                } else if (NewDT.equals("l")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFVec3f(def, browser);
                } else if (NewDT.equals("q")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFNode(def, browser);
                } else if (NewDT.equals("i")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFRotation(def, browser);
                } else if (NewDT.equals("g")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFString(def, browser);
                } else if (NewDT.equals("b")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFBool(def, browser);
                } else if (NewDT.equals("f")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFInt32(def, browser);
                } else if (NewDT.equals("v")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFColorRGBA(def, browser);
                } else if (NewDT.equals("w")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFColorRGBA(def, browser);
                } else if (NewDT.equals("u")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFVec3f(def, browser);
                } else if (NewDT.equals("z")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFVec3d(def, browser);
                } else if (NewDT.equals("A")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFVec3d(def, browser);
                } else if (NewDT.equals("B")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWSFVec2d(def, browser);
                } else if (NewDT.equals("C")) {
                        def = new FreeWRLFieldDefinition(fieldName, ia, FreeWRLFieldTypes.getIntType(NewDT));
                        ret = new FWMFVec2d(def, browser);
                } else {
                        throw new InvalidFieldException("Field name " + fieldName + " is not a valid field for this node");
                } 
                                
                ret.setCommand(fieldName);
                ret.setNode(NNN);
                ret.setDataType(NewDT);
                ret.setNodePtr(NNPR);
                ret.setOffset(NOFF);
                ret.setDataSize(NDS);
                ret.setScriptType(ScrT);
                return ret;
        }
        public void dispose() throws InvalidNodeException {
                disposed = true;
        }
        
        public void setNodeName(String n) {
                name = n;
        }

        public void setType(int t) {
                type = t;
        }

        public void setPointer(String p) {
                ptr = p;
        }

        public String getPointer() {
                return ptr;
        }

        public void setMetadata(X3DMetadataObject data) throws InvalidNodeException, ConnectionException  {
                checkValid();
        }

        public X3DMetadataObject getMetadata() throws InvalidNodeException, ConnectionException  {
                checkValid();
                return null;
        }

        private void checkValid() {
                if (disposed) {
                        throw new InvalidNodeException ("This node has been disposed");
                }
        }
}