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comparison src/org/tmatesoft/hg/internal/DigestHelper.java @ 423:9c9c442b5f2e

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Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 23 Mar 2012 22:51:18 +0100
parents 981f9f50bb6c
children
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422:5d1cc7366d04 423:9c9c442b5f2e
1 /* 1 /*
2 * Copyright (c) 2010-2011 TMate Software Ltd 2 * Copyright (c) 2010-2012 TMate Software Ltd
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License. 6 * the Free Software Foundation; version 2 of the License.
7 * 7 *
19 import java.io.IOException; 19 import java.io.IOException;
20 import java.io.InputStream; 20 import java.io.InputStream;
21 import java.security.MessageDigest; 21 import java.security.MessageDigest;
22 import java.security.NoSuchAlgorithmException; 22 import java.security.NoSuchAlgorithmException;
23 23
24 import org.tmatesoft.hg.core.HgBadStateException;
25 import org.tmatesoft.hg.core.Nodeid; 24 import org.tmatesoft.hg.core.Nodeid;
25 import org.tmatesoft.hg.repo.HgInvalidStateException;
26 26
27 27
28 /** 28 /**
29 * <pre> 29 * <pre>
30 * DigestHelper dh; 30 * DigestHelper dh;
48 if (sha1 == null) { 48 if (sha1 == null) {
49 try { 49 try {
50 sha1 = MessageDigest.getInstance("SHA-1"); 50 sha1 = MessageDigest.getInstance("SHA-1");
51 } catch (NoSuchAlgorithmException ex) { 51 } catch (NoSuchAlgorithmException ex) {
52 // could hardly happen, JDK from Sun always has sha1. 52 // could hardly happen, JDK from Sun always has sha1.
53 throw new HgBadStateException(ex); 53 HgInvalidStateException t = new HgInvalidStateException("Need SHA-1 algorithm for nodeid calculation");
54 t.initCause(ex);
55 throw t;
54 } 56 }
55 } 57 }
56 return sha1; 58 return sha1;
57 } 59 }
58 60