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package org.bouncycastle.asn1;
import java.io.IOException;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.Strings;
/**
* DER T61String (also the teletex string)
*/
public class DERT61String
extends ASN1Primitive
implements ASN1String
{
private byte[] string;
/**
* return a T61 string from the passed in object.
*
* @exception IllegalArgumentException if the object cannot be converted.
*/
public static DERT61String getInstance(
Object obj)
{
if (obj == null || obj instanceof DERT61String)
{
return (DERT61String)obj;
}
throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
}
/**
* return an T61 String from a tagged object.
*
* @param obj the tagged object holding the object we want
* @param explicit true if the object is meant to be explicitly
* tagged false otherwise.
* @exception IllegalArgumentException if the tagged object cannot
* be converted.
*/
public static DERT61String getInstance(
ASN1TaggedObject obj,
boolean explicit)
{
ASN1Primitive o = obj.getObject();
if (explicit || o instanceof DERT61String)
{
return getInstance(o);
}
else
{
return new DERT61String(ASN1OctetString.getInstance(o).getOctets());
}
}
/**
* basic constructor - with bytes.
*/
DERT61String(
byte[] string)
{
this.string = string;
}
/**
* basic constructor - with string.
*/
public DERT61String(
String string)
{
// BEGIN android-changed
this.string = Strings.toUTF8ByteArray(string);
// END android-changed
}
public String getString()
{
// BEGIN android-changed
return Strings.fromUTF8ByteArray(string);
// END android-changed
}
public String toString()
{
return getString();
}
boolean isConstructed()
{
return false;
}
int encodedLength()
{
return 1 + StreamUtil.calculateBodyLength(string.length) + string.length;
}
void encode(
ASN1OutputStream out)
throws IOException
{
out.writeEncoded(BERTags.T61_STRING, string);
}
public byte[] getOctets()
{
return Arrays.clone(string);
}
boolean asn1Equals(
ASN1Primitive o)
{
if (!(o instanceof DERT61String))
{
return false;
}
return Arrays.areEqual(string, ((DERT61String)o).string);
}
public int hashCode()
{
return Arrays.hashCode(string);
}
}
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