* * The main function is designed to make it easy to create a * AppletDataNugget class to place in the jar file. It might do that * for you if I can figure out how to do that. *
* * The Environment class will then look in the openmap.properties file * for a list of AppletDataNugget class names to provide to this class * at runtime. The BinaryFile will ask this class, in a static * method, to look for resources based on the location of the * AppletDataNuggets. * *
* #AppletDataNugget entries in properties file: * openmap.appletDataNuggets=AppletDataNugget_ClassName1 AppletDataNugget_ClassName2 ... ** @deprecated Not needed anymore. BinaryFile has been modified to do the right thing. */ public class AppletDataNugget { public final static String AppletDataNuggetProperty = "openmap.appletDataNuggets"; protected static String[] nuggetNames = null; private StringBuffer buffer; /** * Create an AppletDataNugget with the class name given. Fills * the StringBuffere with the class bits. */ public AppletDataNugget(String className) { generateClass(className); } /** * Given a name of a resource, provide a URL that will access * that resource. This uses the AppletDataNugget names that have * been set in the Environment properties. * * @param name the name of the resource. Should be a path with * respect to one of the AppletDataNugget locations in the data * jar file. */ public static URL findResource(String name) { URL url = null; if (nuggetNames == null) { nuggetNames = LayerUtils.stringArrayFromProperties(Environment.getProperties(), AppletDataNuggetProperty, " "); if (Debug.debugging("datanuggets")) { Debug.output("Got AppletDataNuggets: " + nuggetNames); } } if (nuggetNames != null) { for (int i = 0 ; i < nuggetNames.length; i++) { String nugget = nuggetNames[i]; if (Debug.debugging("datanuggets")) { Debug.output("ADN: Checking the DataNugget: " + nugget); } // Check the data nugget Object obj = ComponentFactory.create(nugget, (Properties)null); if (obj == null) continue; url = obj.getClass().getResource(name); if (Debug.debugging("datanuggets")) { if (url != null) { Debug.output("DataNugget Worked! Got it!! -> " + url); break; } else { Debug.output(" ADN: " + name + " not found via " + nugget); } } } } return url; } public void s(int c) { buffer.append((char) c); } /** * Access the StringBuffer by converting it to a String. */ public String toString() { if (buffer != null) { return buffer.toString(); } else { return null; } } /** * Generate a StringBuffer for a Java class that has the contents * for a given class name. */ public void generateClass(String className) { buffer = new StringBuffer(200); s(202); // CAFEBABE s(254); s(186); s(190); s(0); // Minor version s(3); s(0); // Major version s(45); s(0); // Constant Pool Count s(10); s(10); // \n s(0); // s(3); // s(0); // s(7); // s(7); // s(0); // s(8); // s(7); // s(0); // s(9); // s(1); // s(0); // s(6); // s(60); // < s(105); // i s(110); // n s(105); // i s(116); // t s(62); // > s(1); // s(0); // s(3); // s(40); // ( s(41); // ) s(86); // V s(1); // s(0); // s(4); // s(67); // C s(111); // o s(100); // d s(101); // e s(12); // s(0); // s(4); // s(0); // s(5); // s(1); // s(0); // s(className.length()); // Class name buffer.append(className); s(1); // s(0); // s(16); // s(106); // j s(97); // a s(118); // v s(97); // a s(47); // / s(108); // l s(97); // a s(110); // n s(103); // g s(47); // / s(79); // O s(98); // b s(106); // j s(101); // e s(99); // c s(116); // t s(0); // s(33); // ! s(0); // s(2); // s(0); // s(3); // s(0); // s(0); // s(0); // s(0); // s(0); // s(1); // s(0); // s(1); // s(0); // s(4); // s(0); // s(5); // s(0); // s(1); // s(0); // s(6); // s(0); // s(0); // s(0); // s(17); // s(0); // s(1); // s(0); // s(1); // s(0); // s(0); // s(0); // s(5); // s(42); // * s(183); // ?· s(0); // s(1); // s(177); // ?± s(0); // s(0); // s(0); // s(0); // s(0); // s(0); // } /** * Create a AppletDataNugget, which is a package-less, empty * class. Just provide the Class Name, and the class file will be * created. */ public static void main(String[] argv) { if (argv.length < 1) { System.out.println("Usage: java com.bbn.openmap.io.AppletDataNugget