зеркало из https://github.com/mozilla/pjs.git
76 строки
2.8 KiB
Java
76 строки
2.8 KiB
Java
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/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Patrick C. Beard <beard@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the NPL or the GPL.
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*/
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import java.io.*;
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import java.util.*;
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/**
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* Provides a way to map from a file path to its CVS revision number.
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*/
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public class RevisionTable {
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private Hashtable revisions = new Hashtable();
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public String getRevision(String path) throws IOException {
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String revision = (String) revisions.get(path);
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if (revision == null) {
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int lastSlash = path.lastIndexOf('/');
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String dirPath = path.substring(0, lastSlash + 1);
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readEntries(dirPath);
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revision = (String) revisions.get(path);
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}
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return revision;
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}
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/**
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* Reads all of the entries from a CVS Entries file, and populates
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* the hashtable with the revisions, keyed by file paths.
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*/
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private void readEntries(String dirPath) throws IOException {
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String entriesPath = dirPath + "CVS/Entries";
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BufferedReader entries = new BufferedReader(new InputStreamReader(new FileInputStream(entriesPath)));
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for (String line = entries.readLine(); line != null; line = entries.readLine()) {
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if (line.charAt(0) == '/') {
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int secondSlash = line.indexOf('/', 1);
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String fileName = line.substring(1, secondSlash);
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int thirdSlash = line.indexOf('/', secondSlash + 1);
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String revision = line.substring(secondSlash + 1, thirdSlash);
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revisions.put(dirPath + fileName, revision);
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}
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}
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entries.close();
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}
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}
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