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annotate src/org/tmatesoft/hg/internal/BasicSessionContext.java @ 338:3cfa4d908fc9

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Add options to control DataAccessProvider, allow to turn off use of file memory mapping in particular to solve potential sharing violation (os file handle gets released on MappedByteByffer being GC'd, not on FileChannel.close())
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 15 Nov 2011 04:47:03 +0100
parents 981f9f50bb6c
children b015f3918120
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 org.tmatesoft.hg.core.SessionContext;
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20 import org.tmatesoft.hg.util.LogFacility;
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21 import org.tmatesoft.hg.util.PathPool;
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22 import org.tmatesoft.hg.util.PathRewrite;
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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 class BasicSessionContext implements SessionContext {
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30
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31 private PathPool pathPool;
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32 private final LogFacility logFacility;
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33
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34 public BasicSessionContext(PathPool pathFactory, LogFacility log) {
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35 pathPool = pathFactory;
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36 logFacility = log != null ? log : new StreamLogFacility(true, true, true, System.out);
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37 }
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38
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39 public PathPool getPathPool() {
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40 if (pathPool == null) {
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41 pathPool = new PathPool(new PathRewrite.Empty());
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42 }
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43 return pathPool;
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44 }
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45
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46 public LogFacility getLog() {
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47 // e.g. for exceptions that we can't handle but log (e.g. FileNotFoundException when we've checked beforehand file.canRead()
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48 return logFacility;
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49 }
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50
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51 public Object getProperty(String name, Object defaultValue) {
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52 String value = System.getProperty(name);
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53 return value == null ? defaultValue : value;
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54 }
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55 }