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package model.x501;
import model.asn1.ASN1Object;
import model.asn1.Encodable;
import model.asn1.Tag;
import model.asn1.exceptions.ParseException;
import model.asn1.parsing.BytesReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Represents a DN item.
* <pre>
* RelativeDistinguishedName ::= SET SIZE (1..MAX) OF AttributeTypeAndValue
* </pre>
* For more information on DN, see {@link Name}.
*/
public class RelativeDistinguishedName extends ASN1Object {
private final AttributeTypeAndValue[] array;
/**
* EFFECT: Initialize the list with the given tag, parentTag, and array. For tag and parentTag, consult
* {@link ASN1Object}.
* REQUIRES: Array items should have UNIVERSAL SEQUENCE tag.
*/
public RelativeDistinguishedName(Tag tag, Tag parentTag, AttributeTypeAndValue[] array) {
super(tag, parentTag);
this.array = array;
}
/**
* EFFECT: Parse the list from input DER bytes. For details on parsing, refer to {@link ASN1Object}.
* Throws {@link ParseException} for invalid input.
* MODIFIES: this, encoded
*/
public RelativeDistinguishedName(BytesReader encoded, boolean hasParentTag) throws ParseException {
super(encoded, hasParentTag);
final List<AttributeTypeAndValue> list = new ArrayList<>();
for (int i = 0; i < getLength(); ) {
int index = encoded.getIndex();
final AttributeTypeAndValue value = new AttributeTypeAndValue(encoded, false);
value.getTag().enforce(TAG_SEQUENCE);
list.add(value);
index = encoded.getIndex() - index;
i += index;
}
this.array = list.toArray(new AttributeTypeAndValue[0]);
}
/**
* EFFECTS: Encode the SET OF into DER, keep order. Values will be encoded one-by-one.
*/
@Override
public Byte[] encodeValueDER() {
return Stream.of(array)
.map(Encodable::encodeDER)
.flatMap(Arrays::stream)
.toArray(Byte[]::new);
}
/**
* EFFECT: Encode into multi-valed RDN strings like CN=yuuta+CN=qwq
*/
@Override
public String toString() {
return Stream.of(array)
.map(AttributeTypeAndValue::toString)
.collect(Collectors.joining("+"));
}
public AttributeTypeAndValue[] getArray() {
return array;
}
}
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