| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.kerby.kerberos.kerb; |
| |
| import org.apache.kerby.kerberos.kerb.type.KerberosTime; |
| import org.apache.kerby.kerberos.kerb.type.base.EncryptionKey; |
| import org.apache.kerby.kerberos.kerb.type.base.PrincipalName; |
| |
| import java.io.DataOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.charset.StandardCharsets; |
| |
| public abstract class KrbOutputStream extends DataOutputStream { |
| public KrbOutputStream(OutputStream out) { |
| super(out); |
| } |
| |
| public abstract void writePrincipal(PrincipalName principal, int version) throws IOException; |
| |
| public void writeRealm(String realm) throws IOException { |
| writeCountedString(realm); |
| } |
| |
| public abstract void writeKey(EncryptionKey key, int version) throws IOException; |
| |
| public void writeTime(KerberosTime ktime) throws IOException { |
| int time = 0; |
| if (ktime != null) { |
| time = (int) (ktime.getValue().getTime() / 1000); |
| } |
| writeInt(time); |
| } |
| |
| public void writeCountedString(String string) throws IOException { |
| byte[] data = string != null ? string.getBytes(StandardCharsets.UTF_8) : null; // ASCII |
| |
| writeCountedOctets(data); |
| } |
| |
| public void writeCountedOctets(byte[] data) throws IOException { |
| if (data != null) { |
| writeInt(data.length); |
| write(data); |
| } else { |
| writeInt(0); |
| } |
| } |
| } |