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Capability information from a SceneGraph Object
/*
* $RCSfile: Capabilities.java,v $
*
* Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
* NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
* USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
* ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
* CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
* REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
* INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*
* $Revision: 1.2 $
* $Date: 2007/02/09 17:17:00 $
* $State: Exp $
*/
import java.util.ArrayList;
/**
* Convenience class for extracting capability information from a SceneGraph Object
*
* @author Paul Byrne
* @version 1.6, 01/18/02
*/
public class Capabilities extends Object {
/** Print a list of SET capabilities to stdout, one capability per line
* @param obj The Object for which to print the capabilities
*/
public static void printCapabilities( javax.media.j3d.SceneGraphObject obj ) {
ArrayList list = new ArrayList();
getCapabilities( obj, list );
java.util.Iterator it = list.iterator();
while(it.hasNext())
System.out.println( (String)it.next() );
}
/** Extract the names of all the SET capabilities in the object.
* The names (Strings) are appended to the arrayList
* @param obj The object for which to extract the capability strings
* @param capabilityStrings The ArrayList to which the capability names will be appended
*/
public static void getCapabilities( javax.media.j3d.SceneGraphObject obj,
java.util.ArrayList capabilityStrings ) {
int value;
String str;
Class cl = obj.getClass();
java.lang.reflect.Field[] fields = cl.getFields();
try {
for(int i=0; i<fields.length; i++) {
str = fields[i].getName();
value = fields[i].getInt( fields[i] );
if (str.indexOf("ALLOW") != -1 || str.indexOf("ENABLE_")!=-1) {
if (obj.getCapability(value))
capabilityStrings.add( str );
}
}
} catch(Exception e) {
e.printStackTrace();
throw new RuntimeException("Internal Error");
}
}
/**
* Return an array of capability bits for the object
*
* If no capabilities are set then an array of length 0 is returned
*
* @param obj The object for which to extract the capability bits
*/
public static int[] getCapabilities( javax.media.j3d.SceneGraphObject obj ) {
ArrayList bits = new ArrayList();
int value;
String str;
Class cl = obj.getClass();
java.lang.reflect.Field[] fields = cl.getFields();
try {
for(int i=0; i<fields.length; i++) {
str = fields[i].getName();
value = fields[i].getInt( fields[i] );
if (str.indexOf("ALLOW_") != -1 || str.indexOf("ENABLE_")!=-1 ) {
if (obj.getCapability(value))
bits.add( new Integer(value) );
}
}
} catch(Exception e) {
e.printStackTrace();
throw new RuntimeException("Internal Error");
}
int[] ret = new int[ bits.size() ];
for(int i=0; i<ret.length; i++)
ret[i] = ((Integer)bits.get(i)).intValue();
return ret;
}
}
