org.apache.harmony.security.asn1.ASN1Enumerated Maven / Gradle / Ivy
/*
* 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.
*/
/**
* @author Stepan M. Mishura
* @version $Revision$
*/
package org.apache.harmony.security.asn1;
import java.io.IOException;
import java.util.Arrays;
/**
* This class represents ASN.1 Enumerated type.
*
* @see ASN.1
*/
public final class ASN1Enumerated extends ASN1Primitive {
// default implementation
private static final ASN1Enumerated ASN1 = new ASN1Enumerated();
/**
* Constructs ASN.1 Enumerated type
*
* The constructor is provided for inheritance purposes
* when there is a need to create a custom ASN.1 Enumerated type.
* To get a default implementation it is recommended to use
* getInstance() method.
*/
public ASN1Enumerated() {
super(TAG_ENUM);
}
/**
* Returns ASN.1 Enumerated type default implementation
*
* The default implementation works with encoding
* that is represented as byte array.
*
* @return ASN.1 Enumerated type default implementation
*/
public static ASN1Enumerated getInstance() {
return ASN1;
}
public Object decode(BerInputStream in) throws IOException {
in.readEnumerated();
if (in.isVerify) {
return null;
}
return getDecodedObject(in);
}
/**
* Extracts array of bytes from BER input stream.
*
* @return array of bytes
*/
public Object getDecodedObject(BerInputStream in) throws IOException {
return Arrays.copyOfRange(in.buffer, in.contentOffset, in.contentOffset + in.length);
}
public void encodeContent(BerOutputStream out) {
out.encodeInteger();
}
public void setEncodingContent(BerOutputStream out) {
out.length = ((byte[]) out.content).length;
}
}