MessagePack/src/main/java/ch/dissem/msgpack/types/MPBoolean.java

89 lines
2.3 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.util.Objects;
/**
* Representation of a msgpack encoded boolean.
*/
public class MPBoolean implements MPType<Boolean> {
private final static int FALSE = 0xC2;
private final static int TRUE = 0xC3;
private final boolean value;
public MPBoolean(boolean value) {
this.value = value;
}
public Boolean getValue() {
return value;
}
public void pack(OutputStream out) throws IOException {
if (value) {
out.write(TRUE);
} else {
out.write(FALSE);
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
MPBoolean mpBoolean = (MPBoolean) o;
return value == mpBoolean.value;
}
@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<MPBoolean> {
public boolean is(int firstByte) {
return firstByte == TRUE || firstByte == FALSE;
}
public MPBoolean unpack(int firstByte, InputStream in) {
if (firstByte == TRUE) {
return new MPBoolean(true);
} else if (firstByte == FALSE) {
return new MPBoolean(false);
} else {
throw new IllegalArgumentException(String.format("0xC2 or 0xC3 expected but was 0x%02x", firstByte));
}
}
}
}