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| 1 | /* | ||
| 2 | * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.tools.jar; | ||
| 27 | |||
| 28 | import java.io.IOException; | ||
| 29 | import java.io.Reader; | ||
| 30 | import java.io.FileReader; | ||
| 31 | import java.io.BufferedReader; | ||
| 32 | import java.io.StreamTokenizer; | ||
| 33 | import java.util.List; | ||
| 34 | import java.util.ArrayList; | ||
| 35 | |||
| 36 | /** | ||
| 37 | * Various utility methods for processing Java tool command line arguments. | ||
| 38 | * | ||
| 39 | * <p><b>This is NOT part of any API supported by Oracle. If | ||
| 40 | * you write code that depends on this, you do so at your own risk. | ||
| 41 | * This code and its internal interfaces are subject to change or | ||
| 42 | * deletion without notice.</b> | ||
| 43 | */ | ||
| 44 | public class CommandLine { | ||
| 45 | /** | ||
| 46 | * Process Win32-style command files for the specified command line | ||
| 47 | * arguments and return the resulting arguments. A command file argument | ||
| 48 | * is of the form '@file' where 'file' is the name of the file whose | ||
| 49 | * contents are to be parsed for additional arguments. The contents of | ||
| 50 | * the command file are parsed using StreamTokenizer and the original | ||
| 51 | * '@file' argument replaced with the resulting tokens. Recursive command | ||
| 52 | * files are not supported. The '@' character itself can be quoted with | ||
| 53 | * the sequence '@@'. | ||
| 54 | */ | ||
| 55 | public static String[] parse(String[] args) | ||
| 56 | throws IOException | ||
| 57 | { | ||
| 58 | ArrayList newArgs = new ArrayList(args.length); | ||
| 59 | for (int i = 0; i < args.length; i++) { | ||
| 60 | String arg = args[i]; | ||
| 61 | if (arg.length() > 1 && arg.charAt(0) == '@') { | ||
| 62 | arg = arg.substring(1); | ||
| 63 | if (arg.charAt(0) == '@') { | ||
| 64 | newArgs.add(arg); | ||
| 65 | } else { | ||
| 66 | loadCmdFile(arg, newArgs); | ||
| 67 | } | ||
| 68 | } else { | ||
| 69 | newArgs.add(arg); | ||
| 70 | } | ||
| 71 | } | ||
| 72 | return (String[])newArgs.toArray(new String[newArgs.size()]); | ||
| 73 | } | ||
| 74 | |||
| 75 | private static void loadCmdFile(String name, List args) | ||
| 76 | throws IOException | ||
| 77 | { | ||
| 78 | Reader r = new BufferedReader(new FileReader(name)); | ||
| 79 | StreamTokenizer st = new StreamTokenizer(r); | ||
| 80 | st.resetSyntax(); | ||
| 81 | st.wordChars(' ', 255); | ||
| 82 | st.whitespaceChars(0, ' '); | ||
| 83 | st.commentChar('#'); | ||
| 84 | st.quoteChar('"'); | ||
| 85 | st.quoteChar('\''); | ||
| 86 | while (st.nextToken() != st.TT_EOF) { | ||
| 87 | args.add(st.sval); | ||
| 88 | } | ||
| 89 | r.close(); | ||
| 90 | } | ||
| 91 | } | ||