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