common-utils/src/main/java/org/warp/commonutils/serialization/UTFUtils.java

package org.warp.commonutils.serialization;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class UTFUtils {
	public static final void writeUTF(DataOutput out, String utf) throws IOException {
		byte[] bytes = utf.getBytes(StandardCharsets.UTF_8);
		out.writeInt(bytes.length);
		out.write(bytes);
	}

	public static final String readUTF(DataInput in) throws IOException {
		int len = in.readInt();
		byte[] data = new byte[len];
		in.readFully(data, 0, len);
		return new String(data, StandardCharsets.UTF_8);
	}
}