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| Rev | Author | Line No. | Line |
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| 2028 | es | 1 | package pt.estgp.es.exemplos.hibernate.utils; |
| 2 | |||
| 3 | import java.io.*; |
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| 4 | import java.security.DigestInputStream; |
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| 5 | import java.security.MessageDigest; |
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| 6 | import java.security.NoSuchAlgorithmException; |
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| 7 | |||
| 8 | /** |
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| 9 | * @author Jorge Machado |
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| 10 | * @date 27/Mai/2008 |
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| 11 | * @see jomm.utils |
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| 12 | */ |
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| 13 | public class StreamsUtils |
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| 14 | { |
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| 15 | public static byte[] readBytes(5+0%2Fdocs%2Fapi+InputStream">InputStream stream) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 16 | { |
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| 17 | 1.5.0/docs/api/java/io/ByteArrayOutputStream.html">ByteArrayOutputStream b = new 1.5.0/docs/api/java/io/ByteArrayOutputStream.html">ByteArrayOutputStream(); |
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| 18 | int readedBytes; |
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| 19 | byte[] buf = new byte[1024]; |
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| 20 | while ((readedBytes = stream.read(buf)) > 0) |
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| 21 | { |
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| 22 | b.write(buf, 0, readedBytes); |
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| 23 | } |
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| 24 | b.close(); |
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| 25 | return b.toByteArray(); |
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| 26 | } |
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| 27 | |||
| 28 | public static 1.5.0/docs/api/java/lang/String.html">String readString(5+0%2Fdocs%2Fapi+InputStream">InputStream stream) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 29 | { |
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| 30 | 1.5.0/docs/api/java/io/ByteArrayOutputStream.html">ByteArrayOutputStream b = new 1.5.0/docs/api/java/io/ByteArrayOutputStream.html">ByteArrayOutputStream(); |
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| 31 | int readedBytes; |
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| 32 | byte[] buf = new byte[1024]; |
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| 33 | while ((readedBytes = stream.read(buf)) > 0) |
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| 34 | { |
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| 35 | b.write(buf, 0, readedBytes); |
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| 36 | } |
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| 37 | b.close(); |
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| 38 | return b.toString(); |
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| 39 | } |
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| 40 | |||
| 41 | public static void inputStream2File(5+0%2Fdocs%2Fapi+InputStream">InputStream stream, 1.5.0/docs/api/java/io/File.html">File f) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 42 | { |
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| 43 | f.getParentFile().mkdirs(); |
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| 44 | 1.5.0/docs/api/java/io/FileOutputStream.html">FileOutputStream out = new 1.5.0/docs/api/java/io/FileOutputStream.html">FileOutputStream(f); |
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| 45 | inputStream2OutputStream(stream,out); |
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| 46 | } |
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| 47 | |||
| 48 | /** |
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| 49 | * ATENTION this method does not close the given stream |
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| 50 | * @param stream |
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| 51 | * @param f |
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| 52 | * @return |
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| 53 | * @throws IOException |
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| 54 | */ |
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| 55 | public static 1.5.0/docs/api/java/lang/String.html">String inputStream2FileGetMd5(5+0%2Fdocs%2Fapi+InputStream">InputStream stream, 1.5.0/docs/api/java/io/File.html">File f) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 56 | { |
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| 57 | f.getParentFile().mkdirs(); |
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| 58 | 1.5.0/docs/api/java/io/FileOutputStream.html">FileOutputStream out = new 1.5.0/docs/api/java/io/FileOutputStream.html">FileOutputStream(f); |
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| 59 | return inputStream2OutputStreamGetMd5(stream, out); |
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| 60 | } |
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| 61 | |||
| 62 | public static void inputStream2OutputStream(5+0%2Fdocs%2Fapi+InputStream">InputStream stream, 5+0%2Fdocs%2Fapi+OutputStream">OutputStream out) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 63 | { |
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| 64 | inputStream2OutputStream(stream,out,true,true); |
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| 65 | } |
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| 66 | |||
| 67 | public static void inputStream2OutputStream(5+0%2Fdocs%2Fapi+InputStream">InputStream stream, 5+0%2Fdocs%2Fapi+OutputStream">OutputStream out,boolean closeOut,boolean closeIn) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 68 | { |
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| 69 | int readedBytes; |
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| 70 | byte[] buf = new byte[1024]; |
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| 71 | while ((readedBytes = stream.read(buf)) > 0) |
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| 72 | { |
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| 73 | out.write(buf, 0, readedBytes); |
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| 74 | } |
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| 75 | if(closeIn) |
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| 76 | stream.close(); |
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| 77 | if(closeOut) |
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| 78 | out.close(); |
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| 79 | } |
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| 80 | |||
| 81 | /** |
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| 82 | * Return digest Md5 from consumed bytes |
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| 83 | * * ATENTION this method does not close the given stream |
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| 84 | * @param stream |
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| 85 | * @param out |
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| 86 | * @return Md5 HEX |
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| 87 | * @throws IOException |
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| 88 | */ |
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| 89 | public static 1.5.0/docs/api/java/lang/String.html">String inputStream2OutputStreamGetMd5(5+0%2Fdocs%2Fapi+InputStream">InputStream stream, 5+0%2Fdocs%2Fapi+OutputStream">OutputStream out) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 90 | { |
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| 91 | 1.5.0/docs/api/java/security/MessageDigest.html">MessageDigest messageDigest = null; |
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| 92 | try { |
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| 93 | messageDigest = 1.5.0/docs/api/java/security/MessageDigest.html">MessageDigest.getInstance("MD5"); |
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| 94 | } catch (1.5.0/docs/api/java/security/NoSuchAlgorithmException.html">NoSuchAlgorithmException e) { |
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| 95 | e.printStackTrace(); |
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| 96 | } |
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| 97 | |||
| 98 | 1.5.0/docs/api/java/security/DigestInputStream.html">DigestInputStream digestInputStream = new 1.5.0/docs/api/java/security/DigestInputStream.html">DigestInputStream(stream, messageDigest); |
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| 99 | int readedBytes; |
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| 100 | byte[] buf = new byte[1024]; |
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| 101 | while ((readedBytes = digestInputStream.read(buf)) > 0) |
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| 102 | { |
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| 103 | out.write(buf, 0, readedBytes); |
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| 104 | } |
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| 105 | messageDigest = digestInputStream.getMessageDigest(); |
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| 106 | 1.5.0/docs/api/java/lang/String.html">String md5 = BytesUtils.toHex(messageDigest.digest()); |
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| 107 | out.close(); |
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| 108 | return md5; |
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| 109 | } |
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| 110 | |||
| 111 | /** |
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| 112 | * Return digest Md5 from consumed bytes |
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| 113 | * * ATENTION this method does not close the given stream |
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| 114 | * @param stream |
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| 115 | * @param out |
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| 116 | * @return Md5 HEX |
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| 117 | * @throws IOException |
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| 118 | */ |
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| 119 | public static 1.5.0/docs/api/java/lang/String.html">String getFileMd5(1.5.0/docs/api/java/io/File.html">File f) throws 1.5.0/docs/api/java/io/IOException.html">IOException |
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| 120 | { |
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| 121 | 1.5.0/docs/api/java/security/MessageDigest.html">MessageDigest messageDigest = null; |
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| 122 | try { |
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| 123 | messageDigest = 1.5.0/docs/api/java/security/MessageDigest.html">MessageDigest.getInstance("MD5"); |
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| 124 | } catch (1.5.0/docs/api/java/security/NoSuchAlgorithmException.html">NoSuchAlgorithmException e) { |
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| 125 | e.printStackTrace(); |
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| 126 | } |
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| 127 | |||
| 128 | 1.5.0/docs/api/java/security/DigestInputStream.html">DigestInputStream digestInputStream = new 1.5.0/docs/api/java/security/DigestInputStream.html">DigestInputStream(new 1.5.0/docs/api/java/io/FileInputStream.html">FileInputStream(f), messageDigest); |
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| 129 | int readedBytes; |
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| 130 | byte[] buf = new byte[1024]; |
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| 131 | while ((readedBytes = digestInputStream.read(buf)) > 0) |
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| 132 | { |
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| 133 | //nottinhg to do only calculate nd5 |
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| 134 | } |
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| 135 | messageDigest = digestInputStream.getMessageDigest(); |
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| 136 | 1.5.0/docs/api/java/lang/String.html">String md5 = BytesUtils.toHex(messageDigest.digest()); |
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| 137 | digestInputStream.close(); |
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| 138 | return md5; |
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| 139 | } |
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| 140 | } |