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annotate src/org/tmatesoft/hg/internal/Filter.java @ 133:4a948ec83980

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core.Path to util.Path as it's not Hg repo dependant
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 16 Feb 2011 20:59:39 +0100
parents 7567f4a42fe5
children a37ce7145c3f
rev   line source
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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.internal;
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18
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19 import java.nio.ByteBuffer;
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20
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21 import org.tmatesoft.hg.repo.HgRepository;
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22 import org.tmatesoft.hg.util.Path;
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23
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24 /**
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25 *
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26 * @author Artem Tikhomirov
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27 * @author TMate Software Ltd.
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28 */
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29 public interface Filter {
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30
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31 // returns a buffer ready to be read. may return original buffer.
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32 // original buffer may not be fully consumed, #compact() might be operation to perform
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33 ByteBuffer filter(ByteBuffer src);
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34
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35 interface Factory {
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36 void initialize(HgRepository hgRepo, ConfigFile cfg);
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37 // may return null if for a given path and/or options this filter doesn't make any sense
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38 Filter create(Path path, Options opts);
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39 }
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40
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41 enum Direction {
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42 FromRepo, ToRepo
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43 }
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44
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45 public class Options {
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46
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47 private final Direction direction;
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48 public Options(Direction dir) {
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49 direction = dir;
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50 }
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51
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52 Direction getDirection() {
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53 return direction;
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54 }
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56 }
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57 }