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/*
* Copyright (c) 1997, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.security.x509;
import java.io.IOException;
import sun.security.util.*;
/**
* This class defines the EDIPartyName of the GeneralName choice.
* The ASN.1 syntax for this is:
*
* EDIPartyName ::= SEQUENCE {
* nameAssigner [0] DirectoryString OPTIONAL,
* partyName [1] DirectoryString }
*
*
* @author Hemma Prafullchandra
* @see GeneralName
* @see GeneralNames
* @see GeneralNameInterface
*/
public class EDIPartyName implements GeneralNameInterface {
// Private data members
private static final byte TAG_ASSIGNER = 0;
private static final byte TAG_PARTYNAME = 1;
private String assigner = null;
private String party = null;
private int myhash = -1;
/**
* Create the EDIPartyName object from the specified names.
*
* @param assignerName the name of the assigner
* @param partyName the name of the EDI party.
*/
public EDIPartyName(String assignerName, String partyName) {
this.assigner = assignerName;
this.party = partyName;
}
/**
* Create the EDIPartyName object from the specified name.
*
* @param partyName the name of the EDI party.
*/
public EDIPartyName(String partyName) {
this.party = partyName;
}
/**
* Create the EDIPartyName object from the passed encoded Der value.
*
* @param derValue the encoded DER EDIPartyName.
* @exception IOException on error.
*/
public EDIPartyName(DerValue derValue) throws IOException {
DerInputStream in = new DerInputStream(derValue.toByteArray());
DerValue[] seq = in.getSequence(2);
int len = seq.length;
if (len < 1 || len > 2)
throw new IOException("Invalid encoding of EDIPartyName");
for (int i = 0; i < len; i++) {
DerValue opt = seq[i];
if (opt.isContextSpecific(TAG_ASSIGNER) &&
!opt.isConstructed()) {
if (assigner != null)
throw new IOException("Duplicate nameAssigner found in"
+ " EDIPartyName");
opt = opt.data.getDerValue();
assigner = opt.getAsString();
}
if (opt.isContextSpecific(TAG_PARTYNAME) &&
!opt.isConstructed()) {
if (party != null)
throw new IOException("Duplicate partyName found in"
+ " EDIPartyName");
opt = opt.data.getDerValue();
party = opt.getAsString();
}
}
}
/**
* Return the type of the GeneralName.
*/
public int getType() {
return (GeneralNameInterface.NAME_EDI);
}
/**
* Encode the EDI party name into the DerOutputStream.
*
* @param out the DER stream to encode the EDIPartyName to.
* @exception IOException on encoding errors.
*/
public void encode(DerOutputStream out) throws IOException {
DerOutputStream tagged = new DerOutputStream();
DerOutputStream tmp = new DerOutputStream();
if (assigner != null) {
DerOutputStream tmp2 = new DerOutputStream();
// XXX - shd check is chars fit into PrintableString
tmp2.putPrintableString(assigner);
tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT,
false, TAG_ASSIGNER), tmp2);
}
if (party == null)
throw new IOException("Cannot have null partyName");
// XXX - shd check is chars fit into PrintableString
tmp.putPrintableString(party);
tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT,
false, TAG_PARTYNAME), tmp);
out.write(DerValue.tag_Sequence, tagged);
}
/**
* Return the assignerName
*
* @return String assignerName
*/
public String getAssignerName() {
return assigner;
}
/**
* Return the partyName
*
* @return String partyName
*/
public String getPartyName() {
return party;
}
/**
* Compare this EDIPartyName with another. Does a byte-string
* comparison without regard to type of the partyName and
* the assignerName.
*
* @return true if the two names match
*/
public boolean equals(Object other) {
if (!(other instanceof EDIPartyName))
return false;
String otherAssigner = ((EDIPartyName)other).assigner;
if (this.assigner == null) {
if (otherAssigner != null)
return false;
} else {
if (!(this.assigner.equals(otherAssigner)))
return false;
}
String otherParty = ((EDIPartyName)other).party;
if (this.party == null) {
if (otherParty != null)
return false;
} else {
if (!(this.party.equals(otherParty)))
return false;
}
return true;
}
/**
* Returns the hash code value for this EDIPartyName.
*
* @return a hash code value.
*/
public int hashCode() {
if (myhash == -1) {
myhash = 37 + (party == null ? 1 : party.hashCode());
if (assigner != null) {
myhash = 37 * myhash + assigner.hashCode();
}
}
return myhash;
}
/**
* Return the printable string.
*/
public String toString() {
StringBuilder sb = new StringBuilder("EDIPartyName: ");
if (assigner != null) {
sb.append(" nameAssigner = ")
.append(assigner)
.append(',');
}
sb.append(" partyName = ")
.append(party);
return sb.toString();
}
/**
* Return constraint type:
* - NAME_DIFF_TYPE = -1: input name is different type from name (i.e. does not constrain)
*
- NAME_MATCH = 0: input name matches name
*
- NAME_NARROWS = 1: input name narrows name
*
- NAME_WIDENS = 2: input name widens name
*
- NAME_SAME_TYPE = 3: input name does not match or narrow name, but is same type
*
. These results are used in checking NameConstraints during
* certification path verification.
*
* @param inputName to be checked for being constrained
* @return constraint type above
* @throws UnsupportedOperationException if name is same type, but comparison operations are
* not supported for this name type.
*/
public int constrains(GeneralNameInterface inputName) throws UnsupportedOperationException {
int constraintType;
if (inputName == null)
constraintType = NAME_DIFF_TYPE;
else if (inputName.getType() != NAME_EDI)
constraintType = NAME_DIFF_TYPE;
else {
throw new UnsupportedOperationException("Narrowing, widening, and matching of names not supported for EDIPartyName");
}
return constraintType;
}
/**
* Return subtree depth of this name for purposes of determining
* NameConstraints minimum and maximum bounds and for calculating
* path lengths in name subtrees.
*
* @return distance of name from root
* @throws UnsupportedOperationException if not supported for this name type
*/
public int subtreeDepth() throws UnsupportedOperationException {
throw new UnsupportedOperationException("subtreeDepth() not supported for EDIPartyName");
}
}
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