path: root/bundles/org.eclipse.swt.tools/JNI Generation/org/eclipse/swt/tools/internal/ConstantsGenerator.java

/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.tools.internal;

import java.lang.reflect.*;

public class ConstantsGenerator extends JNIGenerator {

public void generate(Class clazz) {
	Field[] fields = clazz.getDeclaredFields();
	generate(fields);	
}

public void generate(Field[] fields) {
	sort(fields);
	output("int main() {");
	outputDelimiter();
	for (int i = 0; i < fields.length; i++) {
		Field field = fields[i];
		if ((field.getModifiers() & Modifier.FINAL) == 0) continue;
		generate(field);
	}
	output("}");
	outputDelimiter();
}

public void generate(Field field) {
	Class type = field.getType();
	output("\tprintf(\"public static final ");
	output(getTypeSignature3(field));
	output(" ");
	output(field.getName());
	output(" = ");
	if (type == String.class || type == byte[].class) output("\"%s\"");
	else output("0x%x");
	output(";\\n\", ");
	output(field.getName());
	output(");");
	outputDelimiter();
}

public static void main(String[] args) {
	if (args.length < 1) {
		System.out.println("Usage: java ConstantsGenerator <className1> <className2>");
		return;
	}
	try {
		ConstantsGenerator gen = new ConstantsGenerator();
		for (int i = 0; i < args.length; i++) {
			String clazzName = args[i];
			Class clazz = Class.forName(clazzName);
			gen.generate(clazz);
		}
	} catch (Exception e) {
		System.out.println("Problem");
		e.printStackTrace(System.out);
	}
}

}