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Posted to commits@karaf.apache.org by gn...@apache.org on 2014/11/27 16:33:51 UTC
karaf git commit: [KARAF-3391] Move Base64 into karaf util
Repository: karaf
Updated Branches:
refs/heads/master 5a6ee1b48 -> c1586ecef
[KARAF-3391] Move Base64 into karaf util
Project: http://git-wip-us.apache.org/repos/asf/karaf/repo
Commit: http://git-wip-us.apache.org/repos/asf/karaf/commit/c1586ece
Tree: http://git-wip-us.apache.org/repos/asf/karaf/tree/c1586ece
Diff: http://git-wip-us.apache.org/repos/asf/karaf/diff/c1586ece
Branch: refs/heads/master
Commit: c1586ecefd0af95aac424b98506c700d56e92d1c
Parents: 5a6ee1b
Author: Guillaume Nodet <gn...@gmail.com>
Authored: Wed Nov 26 14:15:54 2014 +0100
Committer: Guillaume Nodet <gn...@gmail.com>
Committed: Thu Nov 27 16:21:02 2014 +0100
----------------------------------------------------------------------
jaas/modules/pom.xml | 1 +
.../modules/encryption/BasicEncryption.java | 81 +--
.../org/apache/karaf/util/base64/Base64.java | 491 +++++++++++++++++++
3 files changed, 498 insertions(+), 75 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/karaf/blob/c1586ece/jaas/modules/pom.xml
----------------------------------------------------------------------
diff --git a/jaas/modules/pom.xml b/jaas/modules/pom.xml
index 2c6d01c..8feed8a 100644
--- a/jaas/modules/pom.xml
+++ b/jaas/modules/pom.xml
@@ -159,6 +159,7 @@
org.apache.karaf.jaas.modules.impl,
org.apache.felix.utils.properties,
org.apache.karaf.util.tracker,
+ org.apache.karaf.util.base64,
org.apache.http*,
org.apache.commons.codec*
</Private-Package>
http://git-wip-us.apache.org/repos/asf/karaf/blob/c1586ece/jaas/modules/src/main/java/org/apache/karaf/jaas/modules/encryption/BasicEncryption.java
----------------------------------------------------------------------
diff --git a/jaas/modules/src/main/java/org/apache/karaf/jaas/modules/encryption/BasicEncryption.java b/jaas/modules/src/main/java/org/apache/karaf/jaas/modules/encryption/BasicEncryption.java
index 1e6e5df..e16f6c6 100644
--- a/jaas/modules/src/main/java/org/apache/karaf/jaas/modules/encryption/BasicEncryption.java
+++ b/jaas/modules/src/main/java/org/apache/karaf/jaas/modules/encryption/BasicEncryption.java
@@ -17,12 +17,15 @@ package org.apache.karaf.jaas.modules.encryption;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Map;
import org.apache.karaf.jaas.modules.Encryption;
import org.apache.karaf.jaas.modules.EncryptionService;
+import org.apache.karaf.util.base64.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -113,86 +116,14 @@ public class BasicEncryption implements Encryption {
return new String(out);
}
- private static final byte[] encodingTable = {
- (byte)'A', (byte)'B', (byte)'C', (byte)'D', (byte)'E', (byte)'F', (byte)'G',
- (byte)'H', (byte)'I', (byte)'J', (byte)'K', (byte)'L', (byte)'M', (byte)'N',
- (byte)'O', (byte)'P', (byte)'Q', (byte)'R', (byte)'S', (byte)'T', (byte)'U',
- (byte)'V', (byte)'W', (byte)'X', (byte)'Y', (byte)'Z',
- (byte)'a', (byte)'b', (byte)'c', (byte)'d', (byte)'e', (byte)'f', (byte)'g',
- (byte)'h', (byte)'i', (byte)'j', (byte)'k', (byte)'l', (byte)'m', (byte)'n',
- (byte)'o', (byte)'p', (byte)'q', (byte)'r', (byte)'s', (byte)'t', (byte)'u',
- (byte)'v',
- (byte)'w', (byte)'x', (byte)'y', (byte)'z',
- (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', (byte)'6',
- (byte)'7', (byte)'8', (byte)'9',
- (byte)'+', (byte)'/'
- };
-
- private static byte padding = (byte)'=';
-
/**
* encode the input data producing a base 64 encoded byte array.
*
* @return a byte array containing the base 64 encoded data.
*/
- public static String base64Encode(byte[] data) {
- ByteArrayOutputStream bOut = new ByteArrayOutputStream();
- try {
- base64Encode(data, 0, data.length, bOut);
- } catch (IOException e) {
- throw new RuntimeException("exception encoding base64 string: " + e.getMessage(), e);
- }
- return new String(bOut.toByteArray());
- }
-
- /**
- * encode the input data producing a base 64 output stream.
- *
- * @return the number of bytes produced.
- */
- public static int base64Encode(byte[] data, int off, int length, OutputStream out) throws IOException {
- int modulus = length % 3;
- int dataLength = (length - modulus);
- int a1, a2, a3;
- for (int i = off; i < off + dataLength; i += 3) {
- a1 = data[i] & 0xff;
- a2 = data[i + 1] & 0xff;
- a3 = data[i + 2] & 0xff;
- out.write(encodingTable[(a1 >>> 2) & 0x3f]);
- out.write(encodingTable[((a1 << 4) | (a2 >>> 4)) & 0x3f]);
- out.write(encodingTable[((a2 << 2) | (a3 >>> 6)) & 0x3f]);
- out.write(encodingTable[a3 & 0x3f]);
- }
- /*
- * process the tail end.
- */
- int b1, b2, b3;
- int d1, d2;
- switch (modulus) {
- case 0: /* nothing left to do */
- break;
- case 1:
- d1 = data[off + dataLength] & 0xff;
- b1 = (d1 >>> 2) & 0x3f;
- b2 = (d1 << 4) & 0x3f;
- out.write(encodingTable[b1]);
- out.write(encodingTable[b2]);
- out.write(padding);
- out.write(padding);
- break;
- case 2:
- d1 = data[off + dataLength] & 0xff;
- d2 = data[off + dataLength + 1] & 0xff;
- b1 = (d1 >>> 2) & 0x3f;
- b2 = ((d1 << 4) | (d2 >>> 4)) & 0x3f;
- b3 = (d2 << 2) & 0x3f;
- out.write(encodingTable[b1]);
- out.write(encodingTable[b2]);
- out.write(encodingTable[b3]);
- out.write(padding);
- break;
- }
- return (dataLength / 3) * 4 + ((modulus == 0) ? 0 : 4);
+ public static String base64Encode(byte[] input) {
+ byte[] transformed = Base64.encodeBase64(input);
+ return new String(transformed, StandardCharsets.ISO_8859_1);
}
}
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/karaf/blob/c1586ece/util/src/main/java/org/apache/karaf/util/base64/Base64.java
----------------------------------------------------------------------
diff --git a/util/src/main/java/org/apache/karaf/util/base64/Base64.java b/util/src/main/java/org/apache/karaf/util/base64/Base64.java
new file mode 100644
index 0000000..3ff8bff
--- /dev/null
+++ b/util/src/main/java/org/apache/karaf/util/base64/Base64.java
@@ -0,0 +1,491 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.karaf.util.base64;
+
+import java.security.InvalidParameterException;
+
+/**
+ * Provides Base64 encoding and decoding as defined by RFC 2045.
+ *
+ * <p>This class implements section <cite>6.8. Base64 Content-Transfer-Encoding</cite>
+ * from RFC 2045 <cite>Multipurpose Internet Mail Extensions (MIME) Part One:
+ * Format of Internet Message Bodies</cite> by Freed and Borenstein.</p>
+ *
+ * @see <a href="http://www.ietf.org/rfc/rfc2045.txt">RFC 2045</a>
+ *
+ * This class was
+ * @author Apache Software Foundation commons codec (http://commons.apache.org/codec/)
+ * @author <a href="http://mina.apache.org">Apache MINA Project</a>
+ */
+public class Base64 {
+
+ /**
+ * Chunk size per RFC 2045 section 6.8.
+ *
+ * <p>The {@value} character limit does not count the trailing CRLF, but counts
+ * all other characters, including any equal signs.</p>
+ *
+ * @see <a href="http://www.ietf.org/rfc/rfc2045.txt">RFC 2045 section 6.8</a>
+ */
+ static final int CHUNK_SIZE = 76;
+
+ /**
+ * Chunk separator per RFC 2045 section 2.1.
+ *
+ * @see <a href="http://www.ietf.org/rfc/rfc2045.txt">RFC 2045 section 2.1</a>
+ */
+ static final byte[] CHUNK_SEPARATOR = "\r\n".getBytes();
+
+ /**
+ * The base length.
+ */
+ static final int BASELENGTH = 255;
+
+ /**
+ * Lookup length.
+ */
+ static final int LOOKUPLENGTH = 64;
+
+ /**
+ * Used to calculate the number of bits in a byte.
+ */
+ static final int EIGHTBIT = 8;
+
+ /**
+ * Used when encoding something which has fewer than 24 bits.
+ */
+ static final int SIXTEENBIT = 16;
+
+ /**
+ * Used to determine how many bits data contains.
+ */
+ static final int TWENTYFOURBITGROUP = 24;
+
+ /**
+ * Used to get the number of Quadruples.
+ */
+ static final int FOURBYTE = 4;
+
+ /**
+ * Used to test the sign of a byte.
+ */
+ static final int SIGN = -128;
+
+ /**
+ * Byte used to pad output.
+ */
+ static final byte PAD = (byte) '=';
+
+ // Create arrays to hold the base64 characters and a
+ // lookup for base64 chars
+ private static byte[] base64Alphabet = new byte[BASELENGTH];
+
+ private static byte[] lookUpBase64Alphabet = new byte[LOOKUPLENGTH];
+
+ // Populating the lookup and character arrays
+ static {
+ for (int i = 0; i < BASELENGTH; i++) {
+ base64Alphabet[i] = (byte) -1;
+ }
+ for (int i = 'Z'; i >= 'A'; i--) {
+ base64Alphabet[i] = (byte) (i - 'A');
+ }
+ for (int i = 'z'; i >= 'a'; i--) {
+ base64Alphabet[i] = (byte) (i - 'a' + 26);
+ }
+ for (int i = '9'; i >= '0'; i--) {
+ base64Alphabet[i] = (byte) (i - '0' + 52);
+ }
+
+ base64Alphabet['+'] = 62;
+ base64Alphabet['/'] = 63;
+
+ for (int i = 0; i <= 25; i++) {
+ lookUpBase64Alphabet[i] = (byte) ('A' + i);
+ }
+
+ for (int i = 26, j = 0; i <= 51; i++, j++) {
+ lookUpBase64Alphabet[i] = (byte) ('a' + j);
+ }
+
+ for (int i = 52, j = 0; i <= 61; i++, j++) {
+ lookUpBase64Alphabet[i] = (byte) ('0' + j);
+ }
+
+ lookUpBase64Alphabet[62] = (byte) '+';
+ lookUpBase64Alphabet[63] = (byte) '/';
+ }
+
+ private static boolean isBase64(byte octect) {
+ if (octect == PAD) {
+ return true;
+ } else if (base64Alphabet[octect] == -1) {
+ return false;
+ } else {
+ return true;
+ }
+ }
+
+ /**
+ * Tests a given byte array to see if it contains
+ * only valid characters within the Base64 alphabet.
+ *
+ * @param arrayOctect byte array to test
+ * @return true if all bytes are valid characters in the Base64
+ * alphabet or if the byte array is empty; false, otherwise
+ */
+ public static boolean isArrayByteBase64(byte[] arrayOctect) {
+
+ arrayOctect = discardWhitespace(arrayOctect);
+
+ int length = arrayOctect.length;
+ if (length == 0) {
+ // shouldn't a 0 length array be valid base64 data?
+ return true;
+ }
+ for (int i = 0; i < length; i++) {
+ if (!isBase64(arrayOctect[i])) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Encodes binary data using the base64 algorithm but
+ * does not chunk the output.
+ *
+ * @param binaryData binary data to encode
+ * @return Base64 characters
+ */
+ public static byte[] encodeBase64(byte[] binaryData) {
+ return encodeBase64(binaryData, false);
+ }
+
+ /**
+ * Encodes binary data using the base64 algorithm and chunks
+ * the encoded output into 76 character blocks
+ *
+ * @param binaryData binary data to encode
+ * @return Base64 characters chunked in 76 character blocks
+ */
+ public static byte[] encodeBase64Chunked(byte[] binaryData) {
+ return encodeBase64(binaryData, true);
+ }
+
+ /**
+ * Decodes an Object using the base64 algorithm. This method
+ * is provided in order to satisfy the requirements of the
+ * Decoder interface, and will throw a DecoderException if the
+ * supplied object is not of type byte[].
+ *
+ * @param pObject Object to decode
+ * @return An object (of type byte[]) containing the
+ * binary data which corresponds to the byte[] supplied.
+ * @throws InvalidParameterException if the parameter supplied is not
+ * of type byte[]
+ */
+ public Object decode(Object pObject) {
+ if (!(pObject instanceof byte[])) {
+ throw new InvalidParameterException("Parameter supplied to Base64 decode is not a byte[]");
+ }
+ return decode((byte[]) pObject);
+ }
+
+ /**
+ * Decodes a byte[] containing containing
+ * characters in the Base64 alphabet.
+ *
+ * @param pArray A byte array containing Base64 character data
+ * @return a byte array containing binary data
+ */
+ public byte[] decode(byte[] pArray) {
+ return decodeBase64(pArray);
+ }
+
+ /**
+ * Encodes binary data using the base64 algorithm, optionally
+ * chunking the output into 76 character blocks.
+ *
+ * @param binaryData Array containing binary data to encode.
+ * @param isChunked if isChunked is true this encoder will chunk
+ * the base64 output into 76 character blocks
+ * @return Base64-encoded data.
+ */
+ public static byte[] encodeBase64(byte[] binaryData, boolean isChunked) {
+ int lengthDataBits = binaryData.length * EIGHTBIT;
+ int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP;
+ int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP;
+ byte encodedData[] = null;
+ int encodedDataLength = 0;
+ int nbrChunks = 0;
+
+ if (fewerThan24bits != 0) {
+ //data not divisible by 24 bit
+ encodedDataLength = (numberTriplets + 1) * 4;
+ } else {
+ // 16 or 8 bit
+ encodedDataLength = numberTriplets * 4;
+ }
+
+ // If the output is to be "chunked" into 76 character sections,
+ // for compliance with RFC 2045 MIME, then it is important to
+ // allow for extra length to account for the separator(s)
+ if (isChunked) {
+
+ nbrChunks = (CHUNK_SEPARATOR.length == 0 ? 0 : (int) Math.ceil((float) encodedDataLength / CHUNK_SIZE));
+ encodedDataLength += nbrChunks * CHUNK_SEPARATOR.length;
+ }
+
+ encodedData = new byte[encodedDataLength];
+
+ byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0;
+
+ int encodedIndex = 0;
+ int dataIndex = 0;
+ int i = 0;
+ int nextSeparatorIndex = CHUNK_SIZE;
+ int chunksSoFar = 0;
+
+ for (i = 0; i < numberTriplets; i++) {
+ dataIndex = i * 3;
+ b1 = binaryData[dataIndex];
+ b2 = binaryData[dataIndex + 1];
+ b3 = binaryData[dataIndex + 2];
+
+ l = (byte) (b2 & 0x0f);
+ k = (byte) (b1 & 0x03);
+
+ byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+ byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
+ byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc);
+
+ encodedData[encodedIndex] = lookUpBase64Alphabet[val1];
+ encodedData[encodedIndex + 1] = lookUpBase64Alphabet[val2 | (k << 4)];
+ encodedData[encodedIndex + 2] = lookUpBase64Alphabet[(l << 2) | val3];
+ encodedData[encodedIndex + 3] = lookUpBase64Alphabet[b3 & 0x3f];
+
+ encodedIndex += 4;
+
+ // If we are chunking, let's put a chunk separator down.
+ if (isChunked) {
+ // this assumes that CHUNK_SIZE % 4 == 0
+ if (encodedIndex == nextSeparatorIndex) {
+ System.arraycopy(CHUNK_SEPARATOR, 0, encodedData, encodedIndex, CHUNK_SEPARATOR.length);
+ chunksSoFar++;
+ nextSeparatorIndex = (CHUNK_SIZE * (chunksSoFar + 1)) + (chunksSoFar * CHUNK_SEPARATOR.length);
+ encodedIndex += CHUNK_SEPARATOR.length;
+ }
+ }
+ }
+
+ // form integral number of 6-bit groups
+ dataIndex = i * 3;
+
+ if (fewerThan24bits == EIGHTBIT) {
+ b1 = binaryData[dataIndex];
+ k = (byte) (b1 & 0x03);
+ byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+ encodedData[encodedIndex] = lookUpBase64Alphabet[val1];
+ encodedData[encodedIndex + 1] = lookUpBase64Alphabet[k << 4];
+ encodedData[encodedIndex + 2] = PAD;
+ encodedData[encodedIndex + 3] = PAD;
+ } else if (fewerThan24bits == SIXTEENBIT) {
+
+ b1 = binaryData[dataIndex];
+ b2 = binaryData[dataIndex + 1];
+ l = (byte) (b2 & 0x0f);
+ k = (byte) (b1 & 0x03);
+
+ byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+ byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
+
+ encodedData[encodedIndex] = lookUpBase64Alphabet[val1];
+ encodedData[encodedIndex + 1] = lookUpBase64Alphabet[val2 | (k << 4)];
+ encodedData[encodedIndex + 2] = lookUpBase64Alphabet[l << 2];
+ encodedData[encodedIndex + 3] = PAD;
+ }
+
+ if (isChunked) {
+ // we also add a separator to the end of the final chunk.
+ if (chunksSoFar < nbrChunks) {
+ System.arraycopy(CHUNK_SEPARATOR, 0, encodedData, encodedDataLength - CHUNK_SEPARATOR.length,
+ CHUNK_SEPARATOR.length);
+ }
+ }
+
+ return encodedData;
+ }
+
+ /**
+ * Decodes Base64 data into octects
+ *
+ * @param base64Data Byte array containing Base64 data
+ * @return Array containing decoded data.
+ */
+ public static byte[] decodeBase64(byte[] base64Data) {
+ // RFC 2045 requires that we discard ALL non-Base64 characters
+ base64Data = discardNonBase64(base64Data);
+
+ // handle the edge case, so we don't have to worry about it later
+ if (base64Data.length == 0) {
+ return new byte[0];
+ }
+
+ int numberQuadruple = base64Data.length / FOURBYTE;
+ byte decodedData[] = null;
+ byte b1 = 0, b2 = 0, b3 = 0, b4 = 0, marker0 = 0, marker1 = 0;
+
+ // Throw away anything not in base64Data
+
+ int encodedIndex = 0;
+ int dataIndex = 0;
+ {
+ // this sizes the output array properly - rlw
+ int lastData = base64Data.length;
+ // ignore the '=' padding
+ while (base64Data[lastData - 1] == PAD) {
+ if (--lastData == 0) {
+ return new byte[0];
+ }
+ }
+ decodedData = new byte[lastData - numberQuadruple];
+ }
+
+ for (int i = 0; i < numberQuadruple; i++) {
+ dataIndex = i * 4;
+ marker0 = base64Data[dataIndex + 2];
+ marker1 = base64Data[dataIndex + 3];
+
+ b1 = base64Alphabet[base64Data[dataIndex]];
+ b2 = base64Alphabet[base64Data[dataIndex + 1]];
+
+ if (marker0 != PAD && marker1 != PAD) {
+ //No PAD e.g 3cQl
+ b3 = base64Alphabet[marker0];
+ b4 = base64Alphabet[marker1];
+
+ decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
+ decodedData[encodedIndex + 1] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+ decodedData[encodedIndex + 2] = (byte) (b3 << 6 | b4);
+ } else if (marker0 == PAD) {
+ //Two PAD e.g. 3c[Pad][Pad]
+ decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
+ } else if (marker1 == PAD) {
+ //One PAD e.g. 3cQ[Pad]
+ b3 = base64Alphabet[marker0];
+
+ decodedData[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
+ decodedData[encodedIndex + 1] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+ }
+ encodedIndex += 3;
+ }
+ return decodedData;
+ }
+
+ /**
+ * Discards any whitespace from a base-64 encoded block.
+ *
+ * @param data The base-64 encoded data to discard the whitespace
+ * from.
+ * @return The data, less whitespace (see RFC 2045).
+ */
+ static byte[] discardWhitespace(byte[] data) {
+ byte groomedData[] = new byte[data.length];
+ int bytesCopied = 0;
+
+ for (int i = 0; i < data.length; i++) {
+ switch (data[i]) {
+ case (byte) ' ':
+ case (byte) '\n':
+ case (byte) '\r':
+ case (byte) '\t':
+ break;
+ default:
+ groomedData[bytesCopied++] = data[i];
+ }
+ }
+
+ byte packedData[] = new byte[bytesCopied];
+
+ System.arraycopy(groomedData, 0, packedData, 0, bytesCopied);
+
+ return packedData;
+ }
+
+ /**
+ * Discards any characters outside of the base64 alphabet, per
+ * the requirements on page 25 of RFC 2045 - "Any characters
+ * outside of the base64 alphabet are to be ignored in base64
+ * encoded data."
+ *
+ * @param data The base-64 encoded data to groom
+ * @return The data, less non-base64 characters (see RFC 2045).
+ */
+ static byte[] discardNonBase64(byte[] data) {
+ byte groomedData[] = new byte[data.length];
+ int bytesCopied = 0;
+
+ for (int i = 0; i < data.length; i++) {
+ if (isBase64(data[i])) {
+ groomedData[bytesCopied++] = data[i];
+ }
+ }
+
+ byte packedData[] = new byte[bytesCopied];
+
+ System.arraycopy(groomedData, 0, packedData, 0, bytesCopied);
+
+ return packedData;
+ }
+
+ // Implementation of the Encoder Interface
+
+ /**
+ * Encodes an Object using the base64 algorithm. This method
+ * is provided in order to satisfy the requirements of the
+ * Encoder interface, and will throw an EncoderException if the
+ * supplied object is not of type byte[].
+ *
+ * @param pObject Object to encode
+ * @return An object (of type byte[]) containing the
+ * base64 encoded data which corresponds to the byte[] supplied.
+ * @throws InvalidParameterException if the parameter supplied is not
+ * of type byte[]
+ */
+ public Object encode(Object pObject) {
+ if (!(pObject instanceof byte[])) {
+ throw new InvalidParameterException("Parameter supplied to Base64 encode is not a byte[]");
+ }
+ return encode((byte[]) pObject);
+ }
+
+ /**
+ * Encodes a byte[] containing binary data, into a byte[] containing
+ * characters in the Base64 alphabet.
+ *
+ * @param pArray a byte array containing binary data
+ * @return A byte array containing only Base64 character data
+ */
+ public byte[] encode(byte[] pArray) {
+ return encodeBase64(pArray, false);
+ }
+
+}
\ No newline at end of file