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1: /* 2: Copyright (c) 2001, 2003 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package gnu.java.rmi.rmic; 39: 40: /** 41: * A Compiler object can be used to compile a .java file into a 42: * .class file. This is an abstract class; the 43: * <code>getInstance()</code> method is used to obtain the actual 44: * compiler object. 45: */ 46: public abstract class Compiler 47: { 48: // Can't directly instantiate. 49: protected Compiler () 50: { 51: } 52: 53: /** Create a new compiler instance. */ 54: public static Compiler getInstance () 55: { 56: return getInstance (System.getProperty ("classpath.compiler", "gcj")); 57: } 58: 59: /** Create a new compiler instance given the name of the compiler. */ 60: public static Compiler getInstance (String name) 61: { 62: try 63: { 64: Class k = Class.forName (classPrefix + name); 65: return (Compiler) k.newInstance (); 66: } 67: catch (Throwable _) 68: { 69: } 70: return null; 71: } 72: 73: /** Get the directory where output files will be put. */ 74: public String getDestination () 75: { 76: return dest; 77: } 78: 79: /** Set the directory where output files will be put. */ 80: public void setDestination (String dest) 81: { 82: this.dest = dest; 83: } 84: 85: /** Get the classpath for compilation. */ 86: public String getClasspath () 87: { 88: return classpath; 89: } 90: 91: /** Set the classpath for compilation. */ 92: public void setClasspath (String classpath) 93: { 94: this.classpath = classpath; 95: } 96: 97: /** Compile the given file. Throws exception on error. */ 98: public abstract void compile (String name) throws Exception; 99: 100: /** The destination directory, or null if none set. */ 101: protected String dest; 102: 103: /** The classpath directory, or null if none set. */ 104: private String classpath; 105: 106: /** Class prefix used when trying to find instance. */ 107: private static final String classPrefix = "gnu.java.rmi.rmic.Compile_"; 108: }