Showing the changes to java/pkg/com/sun/tools/example/debug/gui/SearchPath.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,95 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2008, 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.sun.tools.example.debug.gui; | |
| 27 | + | |
| 28 | +import java.io.*; | |
| 29 | +import java.util.*; | |
| 30 | + | |
| 31 | +public class SearchPath { | |
| 32 | + | |
| 33 | + private String pathString; | |
| 34 | + | |
| 35 | + private String[] pathArray; | |
| 36 | + | |
| 37 | + public SearchPath(String searchPath) { | |
| 38 | + //### Should check searchpath for well-formedness. | |
| 39 | + StringTokenizer st = new StringTokenizer(searchPath, File.pathSeparator); | |
| 40 | + List<String> dlist = new ArrayList<String>(); | |
| 41 | + while (st.hasMoreTokens()) { | |
| 42 | + dlist.add(st.nextToken()); | |
| 43 | + } | |
| 44 | + pathString = searchPath; | |
| 45 | + pathArray = dlist.toArray(new String[dlist.size()]); | |
| 46 | + } | |
| 47 | + | |
| 48 | + public boolean isEmpty() { | |
| 49 | + return (pathArray.length == 0); | |
| 50 | + } | |
| 51 | + | |
| 52 | + public String asString() { | |
| 53 | + return pathString; | |
| 54 | + } | |
| 55 | + | |
| 56 | + public String[] asArray() { | |
| 57 | + return pathArray.clone(); | |
| 58 | + } | |
| 59 | + | |
| 60 | + public File resolve(String relativeFileName) { | |
| 61 | + for (String element : pathArray) { | |
| 62 | + File path = new File(element, relativeFileName); | |
| 63 | + if (path.exists()) { | |
| 64 | + return path; | |
| 65 | + } | |
| 66 | + } | |
| 67 | + return null; | |
| 68 | + } | |
| 69 | + | |
| 70 | + //### return List? | |
| 71 | + | |
| 72 | + public String[] children(String relativeDirName, FilenameFilter filter) { | |
| 73 | + // If a file appears at the same relative path | |
| 74 | + // with respect to multiple entries on the classpath, | |
| 75 | + // the one corresponding to the earliest entry on the | |
| 76 | + // classpath is retained. This is the one that will be | |
| 77 | + // found if we later do a 'resolve'. | |
| 78 | + SortedSet<String> s = new TreeSet<String>(); // sorted, no duplicates | |
| 79 | + for (String element : pathArray) { | |
| 80 | + File path = new File(element, relativeDirName); | |
| 81 | + if (path.exists()) { | |
| 82 | + String[] childArray = path.list(filter); | |
| 83 | + if (childArray != null) { | |
| 84 | + for (int j = 0; j < childArray.length; j++) { | |
| 85 | + if (!s.contains(childArray[j])) { | |
| 86 | + s.add(childArray[j]); | |
| 87 | + } | |
| 88 | + } | |
| 89 | + } | |
| 90 | + } | |
| 91 | + } | |
| 92 | + return s.toArray(new String[s.size()]); | |
| 93 | + } | |
| 94 | + | |
| 95 | +} | |