org.apache.commons.ssl.asn1.DERGeneralString Maven / Gradle / Ivy

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package org.apache.commons.ssl.asn1;

import java.io.IOException;

public class DERGeneralString
    extends ASN1Object implements DERString {
    private String string;

    public static DERGeneralString getInstance(
        Object obj) {
        if (obj == null || obj instanceof DERGeneralString) {
            return (DERGeneralString) obj;
        }
        if (obj instanceof ASN1OctetString) {
            return new DERGeneralString(((ASN1OctetString) obj).getOctets());
        }
        if (obj instanceof ASN1TaggedObject) {
            return getInstance(((ASN1TaggedObject) obj).getObject());
        }
        throw new IllegalArgumentException("illegal object in getInstance: "
                                           + obj.getClass().getName());
    }

    public static DERGeneralString getInstance(
        ASN1TaggedObject obj,
        boolean explicit) {
        return getInstance(obj.getObject());
    }

    public DERGeneralString(byte[] string) {
        char[] cs = new char[string.length];
        for (int i = 0; i != cs.length; i++) {
            cs[i] = (char) (string[i] & 0xff);
        }
        this.string = new String(cs);
    }

    public DERGeneralString(String string) {
        this.string = string;
    }

    public String getString() {
        return string;
    }

    public String toString() {
        return string;
    }

    public byte[] getOctets() {
        char[] cs = string.toCharArray();
        byte[] bs = new byte[cs.length];
        for (int i = 0; i != cs.length; i++) {
            bs[i] = (byte) cs[i];
        }
        return bs;
    }

    void encode(DEROutputStream out)
        throws IOException {
        out.writeEncoded(GENERAL_STRING, this.getOctets());
    }

    public int hashCode() {
        return this.getString().hashCode();
    }

    boolean asn1Equals(DERObject o) {
        if (!(o instanceof DERGeneralString)) {
            return false;
        }
        DERGeneralString s = (DERGeneralString) o;
        return this.getString().equals(s.getString());
    }
}