diff options
Diffstat (limited to 'common/src/at/gv/egovernment/moa/util/Base64Utils.java')
-rw-r--r-- | common/src/at/gv/egovernment/moa/util/Base64Utils.java | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/common/src/at/gv/egovernment/moa/util/Base64Utils.java b/common/src/at/gv/egovernment/moa/util/Base64Utils.java deleted file mode 100644 index ad29180a6..000000000 --- a/common/src/at/gv/egovernment/moa/util/Base64Utils.java +++ /dev/null @@ -1,109 +0,0 @@ -package at.gv.egovernment.moa.util; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.UnsupportedEncodingException; - -import iaik.utils.Base64InputStream; -import iaik.utils.Base64OutputStream; - -/** - * Utitility functions for encoding/decoding Base64 strings. - * - * @author Patrick Peck - * @version $Id$ - */ -public class Base64Utils { - - /** - * Read the bytes encoded in a Base64 encoded <code>String</code>. - * - * @param base64String The <code>String</code> containing the Base64 encoded - * bytes. - * @param ignoreInvalidChars Whether to ignore invalid Base64 characters. - * @return byte[] The raw bytes contained in the <code>base64String</code>. - * @throws IOException Failed to read the Base64 data. - */ - public static byte[] decode(String base64String, boolean ignoreInvalidChars) - throws IOException { - - Base64InputStream in = - new Base64InputStream( - new ByteArrayInputStream(base64String.getBytes("UTF-8")), - ignoreInvalidChars); - ByteArrayOutputStream out = new ByteArrayOutputStream(); - byte[] bytes = new byte[256]; - int bytesRead; - - while ((bytesRead = in.read(bytes)) > 0) { - out.write(bytes, 0, bytesRead); - } - - return out.toByteArray(); - } - - /** - * Read the bytes encoded in a Base64 encoded <code>String</code> and provide - * them via an <code>InputStream</code>. - * - * @param base64String The <code>String</code> containing the Base64 encoded - * bytes. - * @param ignoreInvalidChars Whether to ignore invalid Base64 characters. - * @return The <code>InputStream</code> from which the binary content of the - * <code>base64String</code> can be read. - */ - public static InputStream decodeToStream( - String base64String, - boolean ignoreInvalidChars) { - - try { - ByteArrayInputStream bin = - new ByteArrayInputStream(base64String.getBytes("UTF-8")); - Base64InputStream in = new Base64InputStream(bin, ignoreInvalidChars); - - return in; - } catch (UnsupportedEncodingException e) { - // cannot occur, since UTF-8 is required to be supported by every JRE - return null; - } - } - - /** - * Convert a byte array to a Base64 encoded <code>String</code>. - * - * @param bytes The bytes to encode. - * @return String The Base64 encoded representation of the <code>bytes</code>. - * @throws IOException Failed to write the bytes as Base64 data. - */ - public static String encode(byte[] bytes) throws IOException { - return encode(new ByteArrayInputStream(bytes)); - } - - /** - * Convert the data contained in the given stream to a Base64 encoded - * <code>String</code>. - * - * @param inputStream The stream containing the data to encode. - * @return The Base64 encoded data of <code>inputStream</code>, as a - * <code>String</code>. - * @throws IOException Failed to convert the data in the stream. - */ - public static String encode(InputStream inputStream) throws IOException { - ByteArrayOutputStream byteStream = new ByteArrayOutputStream(); - Base64OutputStream base64Stream = new Base64OutputStream(byteStream, "\n".getBytes()); - byte[] bytes = new byte[256]; - int bytesRead; - - while ((bytesRead = inputStream.read(bytes)) > 0) { - base64Stream.write(bytes, 0, bytesRead); - } - base64Stream.flush(); - base64Stream.close(); - inputStream.close(); - - return byteStream.toString("UTF-8"); - } - -} |