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/*
* $RCSfile$
*
* Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision$
* $Date$
* $State$
*/
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.text.DateFormat;
import java.util.Date;
/**
* This application is used to dynamically create the source code for
* the J3dBuildInfo class. The J3dBuildInfo class contains a static
* method that returns a build time stamp string. The time stamp
* string is used by the VersionInfo class as part of the version
* number stored in the VirtualUniverse "j3d.version" property. It is
* created dynamically so that the version number uniquely identifies
* the build.
*/
public class MakeJ3dBuildInfo {
private static final String srcName =
"javax" + File.separator +
"media" + File.separator +
"j3d" + File.separator +
"J3dBuildInfo.java";
public static void main(String[] args) throws FileNotFoundException {
// Parse command line arguments
String usage = "Usage: java MakeJ3dBuildInfo [-debug] [srcRootDir]";
boolean debugFlag = false;
String srcRoot = ".";
int idx = 0;
while (idx < args.length) {
if (args[idx].startsWith("-")) {
if (args[idx].equals("-debug")) {
debugFlag = true;
}
else {
System.err.println(usage);
System.exit(1);
}
++idx;
}
else {
break;
}
}
// Now grab the root of the source tree, if specified
if (idx < args.length) {
if (idx < (args.length - 1)) {
System.err.println(usage);
System.exit(1);
}
srcRoot = args[idx];
}
// Create the File object representing the path name to the
// output java source file
String outPathName = srcRoot + File.separator + srcName;
File file = new File(outPathName);
// Open the output java source file
PrintStream out = new PrintStream(new FileOutputStream(file));
// Create and format the time and date string for the current time
DateFormat df = DateFormat.getDateTimeInstance(DateFormat.SHORT,
DateFormat.FULL);
Date buildDate = new Date();
String dateString = df.format(buildDate);
// Generate the java source code for J3dBuildInfo
out.println("package javax.media.j3d;");
out.println();
out.println("/**");
out.println(" * DO NOT MODIFY THIS CLASS.");
out.println(" *");
out.println(" * This class is automatically created as part of the build process");
out.println(" * by <code>MakeJ3dBuildInfo.java</code>.");
out.println(" */");
out.println("class J3dBuildInfo {");
out.println(" /**");
out.println(" * Constant that indicates whether or not this is");
out.println(" * a debug build.");
out.println(" */");
out.print(" static final boolean isDebug = ");
if (debugFlag) {
out.println("true;");
}
else {
out.println("false;");
}
out.println();
out.print(" private static final String BUILD_TIME_STAMP = ");
out.print("\"");
out.print(dateString);
out.println("\";");
out.println();
out.println(" /**");
out.println(" * Returns the build time stamp.");
out.println(" * @return the build time stamp");
out.println(" */");
out.println(" static String getBuildTimeStamp() {");
out.println(" return BUILD_TIME_STAMP;");
out.println(" }");
out.println();
out.println(" /**");
out.println(" * Do not construct an instance of this class.");
out.println(" */");
out.println(" private J3dBuildInfo() {");
out.println(" }");
out.println("}");
out.close();
}
}
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