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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package netscape.security.x509;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import netscape.security.util.*;
/**
* This class defines the X500Name attribute for the Certificate.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
* @version 1.6
* @see CertAttrSet
*/
public class CertificateIssuerName implements CertAttrSet {
/**
* Identifier for this attribute, to be used with the
* get, set, delete methods of Certificate, x509 type.
*/
public static final String IDENT = "x509.info.issuer";
/**
* Sub attributes name for this CertAttrSet.
*/
public static final String NAME = "issuer";
public static final String DN_NAME = "dname";
// Private data member
private X500Name dnName;
/**
* Default constructor for the certificate attribute.
*
* @param name the X500Name
*/
public CertificateIssuerName(X500Name name) {
this.dnName = name;
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the X500Name from.
* @exception IOException on decoding errors.
*/
public CertificateIssuerName(DerInputStream in) throws IOException {
dnName = new X500Name(in);
}
/**
* Create the object, decoding the values from the passed stream.
*
* @param in the InputStream to read the X500Name from.
* @exception IOException on decoding errors.
*/
public CertificateIssuerName(InputStream in) throws IOException {
DerValue derVal = new DerValue(in);
dnName = new X500Name(derVal);
}
/**
* Return the name as user readable string.
*/
public String toString() {
if (dnName == null) return "";
return(dnName.toString());
}
/**
* Encode the name in DER form to the stream.
*
* @param out the DerOutputStream to marshal the contents to.
* @exception IOException on errors.
*/
public void encode(OutputStream out) throws IOException {
DerOutputStream tmp = new DerOutputStream();
dnName.encode(tmp);
out.write(tmp.toByteArray());
}
/**
* Decode the name in DER form from the stream.
*
* @param in the InputStream to marshal the contents from.
* @exception IOException on errors.
*/
public void decode(InputStream in) throws IOException {
DerValue derVal = new DerValue(in);
dnName = new X500Name(derVal);
}
/**
* Set the attribute value.
*/
public void set(String name, Object obj) throws IOException {
if (!(obj instanceof X500Name)) {
throw new IOException("Attribute must be of type X500Name.");
}
if (name.equalsIgnoreCase(DN_NAME)) {
this.dnName = (X500Name)obj;
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet:CertificateIssuerName.");
}
}
/**
* Get the attribute value.
*/
public Object get(String name) throws IOException {
if (name.equalsIgnoreCase(DN_NAME)) {
return(dnName);
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet:CertificateIssuerName.");
}
}
/**
* Delete the attribute value.
*/
public void delete(String name) throws IOException {
if (name.equalsIgnoreCase(DN_NAME)) {
dnName = null;
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet:CertificateIssuerName.");
}
}
/**
* Return an enumeration of names of attributes existing within this
* attribute.
*/
public Enumeration getElements() {
AttributeNameEnumeration elements = new AttributeNameEnumeration();
elements.addElement(DN_NAME);
return (elements.elements());
}
/**
* Return the name of this attribute.
*/
public String getName() {
return(NAME);
}
}
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