diff options
Diffstat (limited to 'branches/sca-java-2.0-M4/itest/service-reference/src/main/java/org/apache/tuscany/sca/itest/serviceref/Base64Binary.java')
-rw-r--r-- | branches/sca-java-2.0-M4/itest/service-reference/src/main/java/org/apache/tuscany/sca/itest/serviceref/Base64Binary.java | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M4/itest/service-reference/src/main/java/org/apache/tuscany/sca/itest/serviceref/Base64Binary.java b/branches/sca-java-2.0-M4/itest/service-reference/src/main/java/org/apache/tuscany/sca/itest/serviceref/Base64Binary.java new file mode 100644 index 0000000000..fb436ae10c --- /dev/null +++ b/branches/sca-java-2.0-M4/itest/service-reference/src/main/java/org/apache/tuscany/sca/itest/serviceref/Base64Binary.java @@ -0,0 +1,297 @@ +/* + * 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.tuscany.sca.itest.serviceref; + +import java.io.IOException; +import java.io.OutputStream; +import java.io.Writer; + +/** + * + */ + +public final class Base64Binary { + private static final char[] S_BASE64CHAR = + {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', + 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', + 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'}; + + private static final char S_BASE64PAD = '='; + + private static final byte[] S_DECODETABLE = new byte[128]; + + static { + for (int i = 0; i < S_DECODETABLE.length; i++) { + S_DECODETABLE[i] = Byte.MAX_VALUE; // 127 + } + for (int i = 0; i < S_BASE64CHAR.length; i++) { + // 0 to 63 + S_DECODETABLE[S_BASE64CHAR[i]] = (byte)i; + } + } + + private Base64Binary() { + } + + /** + * + */ + public static byte[] decode(char[] data, int off, int len) { + char[] ibuf = new char[4]; + int ibufcount = 0; + byte[] obuf = new byte[len / 4 * 3 + 3]; + int obufcount = 0; + for (int i = off; i < off + len; i++) { + char ch = data[i]; + if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) { + ibuf[ibufcount++] = ch; + if (ibufcount == ibuf.length) { + ibufcount = 0; + obufcount += decode0(ibuf, obuf, obufcount); + } + } + } + if (obufcount == obuf.length) { + return obuf; + } + byte[] ret = new byte[obufcount]; + System.arraycopy(obuf, 0, ret, 0, obufcount); + return ret; + } + + /** + * + */ + public static void decode(char[] data, int off, int len, OutputStream ostream) throws IOException { + char[] ibuf = new char[4]; + int ibufcount = 0; + byte[] obuf = new byte[3]; + for (int i = off; i < off + len; i++) { + char ch = data[i]; + if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) { + ibuf[ibufcount++] = ch; + if (ibufcount == ibuf.length) { + ibufcount = 0; + int obufcount = decode0(ibuf, obuf, 0); + ostream.write(obuf, 0, obufcount); + } + } + } + } + + /** + * + */ + public static byte[] decode(String data) { + char[] ibuf = new char[4]; + int ibufcount = 0; + byte[] obuf = new byte[data.length() / 4 * 3 + 3]; + int obufcount = 0; + for (int i = 0; i < data.length(); i++) { + char ch = data.charAt(i); + if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) { + ibuf[ibufcount++] = ch; + if (ibufcount == ibuf.length) { + ibufcount = 0; + obufcount += decode0(ibuf, obuf, obufcount); + } + } + } + if (obufcount == obuf.length) { + return obuf; + } + byte[] ret = new byte[obufcount]; + System.arraycopy(obuf, 0, ret, 0, obufcount); + return ret; + } + + /** + * + */ + public static void decode(String data, OutputStream ostream) throws IOException { + char[] ibuf = new char[4]; + int ibufcount = 0; + byte[] obuf = new byte[3]; + for (int i = 0; i < data.length(); i++) { + char ch = data.charAt(i); + if (ch == S_BASE64PAD || ch < S_DECODETABLE.length && S_DECODETABLE[ch] != Byte.MAX_VALUE) { + ibuf[ibufcount++] = ch; + if (ibufcount == ibuf.length) { + ibufcount = 0; + int obufcount = decode0(ibuf, obuf, 0); + ostream.write(obuf, 0, obufcount); + } + } + } + } + + private static int decode0(char[] ibuf, byte[] obuf, int index) { + int wp = index; + int outlen = 3; + if (ibuf[3] == S_BASE64PAD) { + outlen = 2; + } + if (ibuf[2] == S_BASE64PAD) { + outlen = 1; + } + int b0 = S_DECODETABLE[ibuf[0]]; + int b1 = S_DECODETABLE[ibuf[1]]; + int b2 = S_DECODETABLE[ibuf[2]]; + int b3 = S_DECODETABLE[ibuf[3]]; + switch (outlen) { + case 1: + obuf[wp] = (byte)(b0 << 2 & 0xfc | b1 >> 4 & 0x3); + return 1; + case 2: + obuf[wp++] = (byte)(b0 << 2 & 0xfc | b1 >> 4 & 0x3); + obuf[wp] = (byte)(b1 << 4 & 0xf0 | b2 >> 2 & 0xf); + return 2; + case 3: + obuf[wp++] = (byte)(b0 << 2 & 0xfc | b1 >> 4 & 0x3); + obuf[wp++] = (byte)(b1 << 4 & 0xf0 | b2 >> 2 & 0xf); + obuf[wp] = (byte)(b2 << 6 & 0xc0 | b3 & 0x3f); + return 3; + default: + throw new IllegalArgumentException("The character sequence is not base64 encoded."); + } + } + + /** + * Returns base64 representation of specified byte array. + */ + public static String encode(byte[] data) { + return encode(data, 0, data.length); + } + + /** + * Returns base64 representation of specified byte array. + */ + public static String encode(byte[] data, int off, int len) { + if (len <= 0) { + return ""; + } + char[] out = new char[len / 3 * 4 + 4]; + int rindex = off; + int windex = 0; + int rest = len - off; + while (rest >= 3) { + int i = ((data[rindex] & 0xff) << 16) + ((data[rindex + 1] & 0xff) << 8) + (data[rindex + 2] & 0xff); + out[windex++] = S_BASE64CHAR[i >> 18]; + out[windex++] = S_BASE64CHAR[(i >> 12) & 0x3f]; + out[windex++] = S_BASE64CHAR[(i >> 6) & 0x3f]; + out[windex++] = S_BASE64CHAR[i & 0x3f]; + rindex += 3; + rest -= 3; + } + if (rest == 1) { + int i = data[rindex] & 0xff; + out[windex++] = S_BASE64CHAR[i >> 2]; + out[windex++] = S_BASE64CHAR[(i << 4) & 0x3f]; + out[windex++] = S_BASE64PAD; + out[windex++] = S_BASE64PAD; + } else if (rest == 2) { + int i = ((data[rindex] & 0xff) << 8) + (data[rindex + 1] & 0xff); + out[windex++] = S_BASE64CHAR[i >> 10]; + out[windex++] = S_BASE64CHAR[(i >> 4) & 0x3f]; + out[windex++] = S_BASE64CHAR[(i << 2) & 0x3f]; + out[windex++] = S_BASE64PAD; + } + return new String(out, 0, windex); + } + + /** + * Outputs base64 representation of the specified byte array to a byte stream. + */ + public static void encode(byte[] data, int off, int len, OutputStream ostream) throws IOException { + if (len <= 0) { + return; + } + byte[] out = new byte[4]; + int rindex = off; + int rest = len - off; + while (rest >= 3) { + int i = ((data[rindex] & 0xff) << 16) + ((data[rindex + 1] & 0xff) << 8) + (data[rindex + 2] & 0xff); + out[0] = (byte)S_BASE64CHAR[i >> 18]; + out[1] = (byte)S_BASE64CHAR[(i >> 12) & 0x3f]; + out[2] = (byte)S_BASE64CHAR[(i >> 6) & 0x3f]; + out[3] = (byte)S_BASE64CHAR[i & 0x3f]; + ostream.write(out, 0, 4); + rindex += 3; + rest -= 3; + } + if (rest == 1) { + int i = data[rindex] & 0xff; + out[0] = (byte)S_BASE64CHAR[i >> 2]; + out[1] = (byte)S_BASE64CHAR[(i << 4) & 0x3f]; + out[2] = (byte)S_BASE64PAD; + out[3] = (byte)S_BASE64PAD; + ostream.write(out, 0, 4); + } else if (rest == 2) { + int i = ((data[rindex] & 0xff) << 8) + (data[rindex + 1] & 0xff); + out[0] = (byte)S_BASE64CHAR[i >> 10]; + out[1] = (byte)S_BASE64CHAR[(i >> 4) & 0x3f]; + out[2] = (byte)S_BASE64CHAR[(i << 2) & 0x3f]; + out[3] = (byte)S_BASE64PAD; + ostream.write(out, 0, 4); + } + } + + /** + * Outputs base64 representation of the specified byte array to a character stream. + */ + public static void encode(byte[] data, int off, int len, Writer writer) throws IOException { + if (len <= 0) { + return; + } + char[] out = new char[4]; + int rindex = off; + int rest = len - off; + int output = 0; + while (rest >= 3) { + int i = ((data[rindex] & 0xff) << 16) + ((data[rindex + 1] & 0xff) << 8) + (data[rindex + 2] & 0xff); + out[0] = S_BASE64CHAR[i >> 18]; + out[1] = S_BASE64CHAR[(i >> 12) & 0x3f]; + out[2] = S_BASE64CHAR[(i >> 6) & 0x3f]; + out[3] = S_BASE64CHAR[i & 0x3f]; + writer.write(out, 0, 4); + rindex += 3; + rest -= 3; + output += 4; + if (output % 76 == 0) { + writer.write("\n"); + } + } + if (rest == 1) { + int i = data[rindex] & 0xff; + out[0] = S_BASE64CHAR[i >> 2]; + out[1] = S_BASE64CHAR[(i << 4) & 0x3f]; + out[2] = S_BASE64PAD; + out[3] = S_BASE64PAD; + writer.write(out, 0, 4); + } else if (rest == 2) { + int i = ((data[rindex] & 0xff) << 8) + (data[rindex + 1] & 0xff); + out[0] = S_BASE64CHAR[i >> 10]; + out[1] = S_BASE64CHAR[(i >> 4) & 0x3f]; + out[2] = S_BASE64CHAR[(i << 2) & 0x3f]; + out[3] = S_BASE64PAD; + writer.write(out, 0, 4); + } + } +} |