75 lines
2.1 KiB
Java
75 lines
2.1 KiB
Java
package ch.dissem.msgpack.types;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import static ch.dissem.msgpack.types.Utils.bytes;
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public class MPBinary implements MPType<byte[]> {
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private byte[] value;
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public MPBinary(byte[] value) {
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this.value = value;
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}
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public byte[] getValue() {
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return value;
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}
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public void pack(OutputStream out) throws IOException {
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int size = value.length;
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if (size < 256) {
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out.write(0xC4);
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out.write((byte) size);
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} else if (size < 65536) {
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out.write(0xC5);
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out.write(ByteBuffer.allocate(2).putShort((short) size).array());
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} else {
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out.write(0xC6);
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out.write(ByteBuffer.allocate(4).putInt(size).array());
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}
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out.write(value);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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MPBinary mpBinary = (MPBinary) o;
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return Arrays.equals(value, mpBinary.value);
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}
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@Override
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public int hashCode() {
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return Arrays.hashCode(value);
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}
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@Override
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public String toString() {
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return null; // TODO base64
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}
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public static class Unpacker implements MPType.Unpacker<MPBinary> {
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public boolean is(int firstByte) {
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return firstByte == 0xC4 || firstByte == 0xC5 || firstByte == 0xC6;
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}
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public MPBinary unpack(int firstByte, InputStream in) throws IOException {
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int size;
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if (firstByte == 0xC4) {
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size = in.read() << 8 | in.read();
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} else if (firstByte == 0xC5) {
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size = in.read() << 8 | in.read();
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} else if (firstByte == 0xC6) {
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size = in.read() << 24 | in.read() << 16 | in.read() << 8 | in.read();
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} else {
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throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
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}
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return new MPBinary(bytes(in, size).array());
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}
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}
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}
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