57 lines
1.3 KiB
Java
57 lines
1.3 KiB
Java
package app.simplexdev.data;
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import java.nio.charset.Charset;
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import java.util.Base64;
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public final class Byter
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{
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private Byter()
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{
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throw new AssertionError();
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}
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public static byte[] decode(final String s)
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{
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return Base64.getDecoder().decode(s);
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}
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public static String encode(final byte[] bytes)
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{
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return Base64.getEncoder().encodeToString(bytes);
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}
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public static String read(final byte[] bytes, final Charset charset)
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{
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return new String(bytes, charset);
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}
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public static byte[] write(final String s, final Charset charset)
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{
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return s.getBytes(charset);
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}
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public static byte shift(final byte b, final int shift)
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{
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return (byte) (b >> shift);
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}
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public static byte unsignedShift(final byte b, final int shift)
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{
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return (byte) (b >>> shift);
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}
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public static byte preservedShift(final byte b, final int shift)
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{
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final int preserved = (b & 0x010000FF) & 0x7F00FF;
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final int shifted = b >> shift;
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return (byte) (shifted | preserved);
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}
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public static byte preservedUnsignedShift(final byte b, final int shift)
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{
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final int preserved = (b & 0x010000FF) & 0x7F00FF;
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final int shifted = b >>> shift;
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return (byte) (shifted | preserved);
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}
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}
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