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annotate src/org/tmatesoft/hg/util/PathRewrite.java @ 117:6c0be854d149

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author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 04 Feb 2011 02:12:30 +0100
parents a3a2e5deb320
children 8248aae33f7d
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19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.util;
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19 import java.util.LinkedList;
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20 import java.util.List;
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21
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22 /**
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23 *
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24 * @author Artem Tikhomirov
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25 * @author TMate Software Ltd.
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26 */
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27 public interface PathRewrite {
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29 public String rewrite(String path);
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30
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31 public static class Empty implements PathRewrite {
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32 public String rewrite(String path) {
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33 return path;
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34 }
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35 }
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37 public class Composite implements PathRewrite {
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38 private List<PathRewrite> chain;
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39
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40 public Composite(PathRewrite... e) {
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41 LinkedList<PathRewrite> r = new LinkedList<PathRewrite>();
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42 for (int i = (e == null ? -1 : e.length); i >=0; i--) {
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43 r.addFirst(e[i]);
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44 }
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45 chain = r;
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46 }
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47 public Composite chain(PathRewrite e) {
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48 chain.add(e);
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49 return this;
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50 }
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51
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52 public String rewrite(String path) {
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53 for (PathRewrite pr : chain) {
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54 path = pr.rewrite(path);
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55 }
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56 return path;
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57 }
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58 }
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59 }