1 /* 2 * Copyright (c) 2012, 2014, 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 com.oracle.tools.packager; 27 28 import java.io.File; 29 import java.util.HashSet; 30 import java.util.Set; 31 32 @Deprecated 33 public class JreUtils { 34 35 public static class Rule { 36 String regex; 37 boolean includeRule; 38 Type type; 39 enum Type {SUFFIX, PREFIX, SUBSTR, REGEX} 40 41 private Rule(String regex, boolean includeRule, Type type) { 42 this.regex = regex; 43 this.type = type; 44 this.includeRule = includeRule; 45 } 46 47 boolean match(String str) { 48 if (type == Type.SUFFIX) { 49 return str.endsWith(regex); 50 } 51 if (type == Type.PREFIX) { 52 return str.startsWith(regex); 53 } 54 if (type == Type.SUBSTR) { 55 return str.contains(regex); 56 } 57 return str.matches(regex); 58 } 59 60 boolean treatAsAccept() {return includeRule;} 61 62 public static Rule suffix(String s) { 63 return new Rule(s, true, Type.SUFFIX); 64 } 65 public static Rule suffixNeg(String s) { 66 return new Rule(s, false, Type.SUFFIX); 67 } 68 static Rule prefix(String s) { 69 return new Rule(s, true, Type.PREFIX); 70 } 71 public static Rule prefixNeg(String s) { 72 return new Rule(s, false, Type.PREFIX); 73 } 74 static Rule substr(String s) { 75 return new Rule(s, true, Type.SUBSTR); 76 } 77 public static Rule substrNeg(String s) { 78 return new Rule(s, false, Type.SUBSTR); 79 } 80 } 81 82 public static boolean shouldExclude(File baseDir, File f, Rule ruleset[]) { 83 if (ruleset == null) { 84 return false; 85 } 86 87 String fname = f.getAbsolutePath().toLowerCase().substring( 88 baseDir.getAbsolutePath().length()); 89 //first rule match defines the answer 90 for (Rule r: ruleset) { 91 if (r.match(fname)) { 92 return !r.treatAsAccept(); 93 } 94 } 95 //default is include 96 return false; 97 } 98 99 public static void walk(File base, File root, Rule ruleset[], Set<File> files) { 100 walk(base, root, ruleset, files, false); 101 } 102 103 public static void walk(File base, File root, Rule ruleset[], Set<File> files, boolean acceptSymlinks) { 104 if (!root.isDirectory()) { 105 if (root.isFile()) { 106 files.add(root); 107 } 108 return; 109 } 110 111 File[] lst = root.listFiles(); 112 if (lst != null) { 113 for (File f : lst) { 114 if ((acceptSymlinks || IOUtils.isNotSymbolicLink(f)) && !shouldExclude(base, f, ruleset)) { 115 if (f.isDirectory()) { 116 walk(base, f, ruleset, files, acceptSymlinks); 117 } else if (f.isFile()) { 118 //add to list 119 files.add(f); 120 } 121 } 122 } 123 } 124 } 125 126 public static RelativeFileSet extractJreAsRelativeFileSet(String root, JreUtils.Rule[] ruleset) { 127 return extractJreAsRelativeFileSet(root, ruleset, false); 128 } 129 130 public static RelativeFileSet extractJreAsRelativeFileSet(String root, JreUtils.Rule[] ruleset, boolean acceptSymlinks) { 131 if (root.isEmpty()) return null; 132 133 File baseDir = new File(root); 134 135 Set<File> lst = new HashSet<>(); 136 137 walk(baseDir, baseDir, ruleset, lst, acceptSymlinks); 138 139 return new RelativeFileSet(baseDir, lst); 140 } 141 142 }