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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.pkcs;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import netscape.security.util.DerEncoder;
import netscape.security.util.DerInputStream;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
/**
* This class defines the PKCS10 attributes for the request.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
* @version 1.10
*/
public class PKCS10Attributes extends Vector implements DerEncoder {
private Hashtable map;
/**
* Default constructor for the certificate attribute.
*/
public PKCS10Attributes() {
map = new Hashtable();
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the attributes from.
* @exception IOException on decoding errors.
*/
public PKCS10Attributes(DerInputStream in)
throws IOException {
map = new Hashtable();
DerValue [] attrs = in.getSet(5,true);
if (attrs != null) {
for (int i = 0; i < attrs.length; i++) {
PKCS10Attribute attr = new PKCS10Attribute(attrs[i]);
addElement(attr);
map.put(attr.getAttributeValue().getName(),attr);
}
}
}
/**
* Encode the attributes in DER form to the stream.
*
* @param out the OutputStream to marshal the contents to.
*
* @exception IOException on encoding errors.
*/
public void encode(OutputStream out)
throws IOException {
derEncode(out);
}
/**
* Encode the attributes in DER form to the stream.
* Implements the <code>DerEncoder</code> interface.
*
* @param out the OutputStream to marshal the contents to.
* @exception IOException on encoding errors.
*/
public void derEncode(OutputStream out)
throws IOException {
// first copy the elements into an array
PKCS10Attribute[] attribs = new PKCS10Attribute[size()];
copyInto(attribs);
DerOutputStream attrOut = new DerOutputStream();
attrOut.putOrderedSetOf(DerValue.createTag(DerValue.TAG_CONTEXT,true,(byte)0),
attribs);
out.write(attrOut.toByteArray());
}
/**
* Set the attribute value.
*/
public void setAttribute(String name, Object obj) throws IOException {
map.put(name,obj);
addElement(obj);
}
/**
* Get the attribute value.
*/
public Object getAttribute(String name) throws IOException {
Object obj = map.get(name);
/*
if (obj == null) {
throw new IOException("No attribute found with name " + name);
}
*/
return (obj);
}
/**
* Delete the attribute value.
*/
public void deleteAttribute(String name) throws IOException {
Object obj = map.get(name);
if (obj == null) {
throw new IOException("No attribute found with name " + name);
}
map.remove(name);
removeElement(obj);
}
/**
* Return an enumeration of names of attributes existing within this
* attribute.
*/
public Enumeration getElements () {
return (map.elements());
}
}
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