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/*
* Copyright (c) 2003 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 or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package net.java.games.gluegen;
import java.io.*;
import java.util.*;
public class CodeGenUtils
{
/**
* Given a java package name (e.g., "java.lang"), return the package as a
* directory path (i.e., "java/lang").
*/
public static String packageAsPath(String packageName) {
String path = packageName.replace('.', File.separatorChar);
//System.out.println("Converted package [" + packageName + "] to path [" + path +"]");
return path;
}
/**
* @param generator the object that is emitting the autogenerated code. If
* null, the generator will not be mentioned in the warning message.
*/
public static void emitAutogeneratedWarning(PrintWriter w, Object generator) {
w.print("/* !---- DO NOT EDIT: This file autogenerated ");
if (generator != null)
{
w.print("by ");
w.print(packageAsPath(generator.getClass().getName()));
w.print(".java ");
}
w.print("on ");
w.print((new Date()).toString());
w.println(" ----! */");
w.println();
}
/**
* Emit the opening headers for one java class/interface file.
*/
public static void emitJavaHeaders(
PrintWriter w,
String packageName,
String className,
boolean isClassNotInterface,
String[] imports,
String[] accessModifiers,
String[] interfaces,
String classExtended,
EmissionCallback classDocComment) throws IOException
{
w.println("package " + packageName + ";");
w.println();
for (int i = 0; imports != null && i < imports.length; ++i) {
w.print("import ");
w.print(imports[i]);
w.println(';');
}
w.println("import net.java.games.gluegen.runtime.*;");
w.println();
if (classDocComment != null)
{
classDocComment.emit(w);
}
for (int i = 0; accessModifiers != null && i < accessModifiers.length; ++i) {
w.print(accessModifiers[i]);
w.print(' ');
}
if (isClassNotInterface) {
w.print("class ");
w.print(className);
w.print(' ');
if (classExtended != null) {
w.print("extends ");
w.print(classExtended);
}
}
else {
if (classExtended != null) {
throw new IllegalArgumentException(
"Autogenerated interface class " + className +
" cannot extend class " + classExtended);
}
w.print("interface ");
w.print(className);
w.print(' ');
}
for (int i = 0; interfaces != null && i < interfaces.length; ++i) {
if (i == 0) { w.print(isClassNotInterface ? "implements " : "extends "); }
w.print(interfaces[i]);
if (i < interfaces.length-1) { w.print(", "); }
}
w.println();
w.println('{');
}
//-----------------------------------------
/** A class that emits source code of some time when activated. */
public interface EmissionCallback
{
/** Emit appropriate source code through the given writer. */
public void emit(PrintWriter output);
}
}
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