net.e6tech.elements.security.hsm.thales.Echo Maven / Gradle / Ivy
/*
* Copyright 2015-2019 Futeh Kao
*
* 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 net.e6tech.elements.security.hsm.thales;
import net.e6tech.elements.common.util.StringUtil;
import java.nio.charset.StandardCharsets;
public class Echo extends Command {
private byte[] length;
private String data;
public String getData() {
return data;
}
public void setData(String data) {
this.data = data;
}
@Override
protected void packFields() {
int len = data.length();
String hex = Integer.toHexString(len);
length = StringUtil.padLeft(hex, 4, '0').getBytes(StandardCharsets.US_ASCII);
pack(length, data);
}
@Override
protected void unpackFields() {
length = unpackBytes(4);
String hex = new String(length, StandardCharsets.US_ASCII);
int len = Integer.parseInt(hex, 16);
data = unpackString(len);
}
}