author | juh |
Tue, 07 Oct 2014 22:23:19 -0700 | |
changeset 26967 | c182469301ee |
parent 25859 | 3317bb8137f4 |
permissions | -rw-r--r-- |
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/* |
26967
c182469301ee
8037550: Update RFC references in javadoc to RFC 5280
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parents:
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diff
changeset
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* Copyright (c) 2003, 2014, 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 java.io.OutputStream; |
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import java.util.Enumeration; |
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import sun.security.util.DerValue; |
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import sun.security.util.DerOutputStream; |
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/** |
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* Represents the CRL Certificate Issuer Extension (OID = 2.5.29.29). |
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* <p> |
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* The CRL certificate issuer extension identifies the certificate issuer |
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* associated with an entry in an indirect CRL, i.e. a CRL that has the |
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* indirectCRL indicator set in its issuing distribution point extension. If |
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* this extension is not present on the first entry in an indirect CRL, the |
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* certificate issuer defaults to the CRL issuer. On subsequent entries |
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* in an indirect CRL, if this extension is not present, the certificate |
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* issuer for the entry is the same as that for the preceding entry. |
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* <p> |
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* If used by conforming CRL issuers, this extension is always |
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* critical. If an implementation ignored this extension it could not |
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26967
c182469301ee
8037550: Update RFC references in javadoc to RFC 5280
juh
parents:
25859
diff
changeset
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* correctly attribute CRL entries to certificates. PKIX (RFC 5280) |
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* RECOMMENDS that implementations recognize this extension. |
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* <p> |
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* The ASN.1 definition for this is: |
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* <pre> |
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* id-ce-certificateIssuer OBJECT IDENTIFIER ::= { id-ce 29 } |
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* |
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* certificateIssuer ::= GeneralNames |
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* </pre> |
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* |
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* @author Anne Anderson |
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* @author Sean Mullan |
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* @since 1.5 |
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* @see Extension |
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* @see CertAttrSet |
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*/ |
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public class CertificateIssuerExtension extends Extension |
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implements CertAttrSet<String> { |
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/** |
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* Attribute names. |
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*/ |
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public static final String NAME = "CertificateIssuer"; |
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public static final String ISSUER = "issuer"; |
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private GeneralNames names; |
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/** |
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* Encode this extension |
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*/ |
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private void encodeThis() throws IOException { |
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if (names == null || names.isEmpty()) { |
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this.extensionValue = null; |
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return; |
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} |
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DerOutputStream os = new DerOutputStream(); |
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names.encode(os); |
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this.extensionValue = os.toByteArray(); |
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} |
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/** |
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* Create a CertificateIssuerExtension containing the specified issuer name. |
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* Criticality is automatically set to true. |
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* |
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* @param issuer the certificate issuer |
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* @throws IOException on error |
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*/ |
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public CertificateIssuerExtension(GeneralNames issuer) throws IOException { |
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this.extensionId = PKIXExtensions.CertificateIssuer_Id; |
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this.critical = true; |
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this.names = issuer; |
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encodeThis(); |
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} |
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/** |
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* Create a CertificateIssuerExtension from the specified DER encoded |
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* value of the same. |
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* |
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* @param critical true if the extension is to be treated as critical. |
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* @param value an array of DER encoded bytes of the actual value |
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* @throws ClassCastException if value is not an array of bytes |
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* @throws IOException on error |
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*/ |
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public CertificateIssuerExtension(Boolean critical, Object value) |
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throws IOException { |
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this.extensionId = PKIXExtensions.CertificateIssuer_Id; |
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this.critical = critical.booleanValue(); |
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this.extensionValue = (byte[]) value; |
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DerValue val = new DerValue(this.extensionValue); |
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this.names = new GeneralNames(val); |
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} |
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/** |
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* Set the attribute value. |
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* |
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* @throws IOException on error |
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*/ |
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public void set(String name, Object obj) throws IOException { |
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if (name.equalsIgnoreCase(ISSUER)) { |
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if (!(obj instanceof GeneralNames)) { |
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throw new IOException("Attribute value must be of type " + |
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"GeneralNames"); |
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} |
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this.names = (GeneralNames)obj; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet:CertificateIssuer"); |
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} |
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encodeThis(); |
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} |
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/** |
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* Gets the attribute value. |
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* |
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* @throws IOException on error |
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*/ |
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public GeneralNames get(String name) throws IOException { |
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if (name.equalsIgnoreCase(ISSUER)) { |
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return names; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet:CertificateIssuer"); |
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} |
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} |
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/** |
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* Deletes the attribute value. |
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* |
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* @throws IOException on error |
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*/ |
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public void delete(String name) throws IOException { |
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if (name.equalsIgnoreCase(ISSUER)) { |
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names = null; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet:CertificateIssuer"); |
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} |
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encodeThis(); |
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} |
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/** |
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* Returns a printable representation of the certificate issuer. |
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*/ |
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public String toString() { |
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return super.toString() + "Certificate Issuer [\n" + |
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String.valueOf(names) + "]\n"; |
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} |
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/** |
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* Write the extension to the OutputStream. |
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* |
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* @param out the OutputStream to write the extension to |
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* @exception IOException on encoding errors |
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*/ |
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public void encode(OutputStream out) throws IOException { |
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DerOutputStream tmp = new DerOutputStream(); |
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if (extensionValue == null) { |
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extensionId = PKIXExtensions.CertificateIssuer_Id; |
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critical = true; |
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encodeThis(); |
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} |
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super.encode(tmp); |
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out.write(tmp.toByteArray()); |
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} |
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/** |
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* Return an enumeration of names of attributes existing within this |
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* attribute. |
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*/ |
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public Enumeration<String> getElements() { |
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AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
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elements.addElement(ISSUER); |
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return elements.elements(); |
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} |
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/** |
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* Return the name of this attribute. |
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*/ |
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public String getName() { |
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return NAME; |
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} |
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} |