84 lines
2.2 KiB
Java
84 lines
2.2 KiB
Java
/*
|
|
* Copyright 2017 Christian Basler
|
|
*
|
|
* Licensed 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 ch.dissem.msgpack.types;
|
|
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.OutputStream;
|
|
import java.nio.ByteBuffer;
|
|
import java.util.Objects;
|
|
|
|
import static ch.dissem.msgpack.types.Utils.bytes;
|
|
|
|
/**
|
|
* Representation of a msgpack encoded float32 number.
|
|
*/
|
|
public class MPFloat implements MPType<Float> {
|
|
private float value;
|
|
|
|
public MPFloat(float value) {
|
|
this.value = value;
|
|
}
|
|
|
|
@Override
|
|
public Float getValue() {
|
|
return value;
|
|
}
|
|
|
|
public void pack(OutputStream out) throws IOException {
|
|
out.write(0xCA);
|
|
out.write(ByteBuffer.allocate(4).putFloat(value).array());
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (o == null || getClass() != o.getClass()) return false;
|
|
MPFloat mpFloat = (MPFloat) o;
|
|
return Float.compare(mpFloat.value, value) == 0;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return Objects.hash(value);
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return String.valueOf(value);
|
|
}
|
|
|
|
@Override
|
|
public String toJson() {
|
|
return String.valueOf(value);
|
|
}
|
|
|
|
public static class Unpacker implements MPType.Unpacker<MPFloat> {
|
|
public boolean is(int firstByte) {
|
|
return firstByte == 0xCA;
|
|
}
|
|
|
|
public MPFloat unpack(int firstByte, InputStream in) throws IOException {
|
|
if (firstByte == 0xCA) {
|
|
return new MPFloat(bytes(in, 4).getFloat());
|
|
} else {
|
|
throw new IllegalArgumentException(String.format("Unexpected first byte 0x%02x", firstByte));
|
|
}
|
|
}
|
|
}
|
|
}
|