/* * 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 com.sun.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, List<String> imports, String[] accessModifiers, String[] interfaces, String classExtended, EmissionCallback classDocComment) throws IOException { w.println("package " + packageName + ";"); w.println(); for (String imp : imports) { w.print("import "); w.print(imp); w.println(';'); } 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('{'); } //----------------------------------------- /** 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); } }