author | jjg |
Mon, 15 Aug 2011 11:48:20 -0700 | |
changeset 10336 | 0bb1999251f8 |
parent 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
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changeset
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* Copyright (c) 2000, 2011, 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.*; |
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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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* This class defines the certificate policies extension which specifies the |
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* policies under which the certificate has been issued |
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* and the purposes for which the certificate may be used. |
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* <p> |
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* Applications with specific policy requirements are expected to have a |
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* list of those policies which they will accept and to compare the |
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* policy OIDs in the certificate to that list. If this extension is |
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* critical, the path validation software MUST be able to interpret this |
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* extension (including the optional qualifier), or MUST reject the |
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* certificate. |
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* <p> |
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* Optional qualifiers are not supported in this implementation, as they are |
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* not recommended by RFC2459. |
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* |
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* The ASN.1 syntax for this is (IMPLICIT tagging is defined in the |
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* module definition): |
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* <pre> |
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* id-ce-certificatePolicies OBJECT IDENTIFIER ::= { id-ce 32 } |
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* |
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* certificatePolicies ::= SEQUENCE SIZE (1..MAX) OF PolicyInformation |
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* |
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* PolicyInformation ::= SEQUENCE { |
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* policyIdentifier CertPolicyId, |
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* policyQualifiers SEQUENCE SIZE (1..MAX) OF |
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* PolicyQualifierInfo OPTIONAL } |
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* |
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* CertPolicyId ::= OBJECT IDENTIFIER |
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* </pre> |
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* @author Anne Anderson |
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* @since 1.4 |
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* @see Extension |
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* @see CertAttrSet |
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*/ |
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public class CertificatePoliciesExtension extends Extension |
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implements CertAttrSet<String> { |
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/** |
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* Identifier for this attribute, to be used with the |
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* get, set, delete methods of Certificate, x509 type. |
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*/ |
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public static final String IDENT = "x509.info.extensions.CertificatePolicies"; |
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/** |
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* Attribute names. |
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*/ |
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public static final String NAME = "CertificatePolicies"; |
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public static final String POLICIES = "policies"; |
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/** |
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* List of PolicyInformation for this object. |
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*/ |
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private List<PolicyInformation> certPolicies; |
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// Encode this extension value. |
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private void encodeThis() throws IOException { |
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if (certPolicies == null || certPolicies.isEmpty()) { |
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this.extensionValue = null; |
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} else { |
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DerOutputStream os = new DerOutputStream(); |
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DerOutputStream tmp = new DerOutputStream(); |
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for (PolicyInformation info : certPolicies) { |
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info.encode(tmp); |
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} |
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os.write(DerValue.tag_Sequence, tmp); |
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this.extensionValue = os.toByteArray(); |
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} |
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} |
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/** |
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* Create a CertificatePoliciesExtension object from |
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* a List of PolicyInformation; the criticality is set to false. |
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* |
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* @param certPolicies the List of PolicyInformation. |
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*/ |
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public CertificatePoliciesExtension(List<PolicyInformation> certPolicies) |
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throws IOException { |
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this(Boolean.FALSE, certPolicies); |
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} |
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/** |
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* Create a CertificatePoliciesExtension object from |
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* a List of PolicyInformation with specified criticality. |
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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 certPolicies the List of PolicyInformation. |
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*/ |
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public CertificatePoliciesExtension(Boolean critical, |
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List<PolicyInformation> certPolicies) throws IOException { |
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this.certPolicies = certPolicies; |
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this.extensionId = PKIXExtensions.CertificatePolicies_Id; |
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this.critical = critical.booleanValue(); |
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encodeThis(); |
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} |
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/** |
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* Create the extension from its DER encoded value and criticality. |
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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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* @exception ClassCastException if value is not an array of bytes |
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* @exception IOException on error. |
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*/ |
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public CertificatePoliciesExtension(Boolean critical, Object value) |
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throws IOException { |
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this.extensionId = PKIXExtensions.CertificatePolicies_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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if (val.tag != DerValue.tag_Sequence) { |
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throw new IOException("Invalid encoding for " + |
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"CertificatePoliciesExtension."); |
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} |
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certPolicies = new ArrayList<PolicyInformation>(); |
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while (val.data.available() != 0) { |
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DerValue seq = val.data.getDerValue(); |
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PolicyInformation policy = new PolicyInformation(seq); |
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certPolicies.add(policy); |
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} |
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} |
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/** |
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* Return the extension as user readable string. |
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*/ |
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public String toString() { |
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if (certPolicies == null) { |
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return ""; |
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} |
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StringBuilder sb = new StringBuilder(super.toString()); |
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sb.append("CertificatePolicies [\n"); |
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for (PolicyInformation info : certPolicies) { |
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sb.append(info.toString()); |
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} |
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sb.append("]\n"); |
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return sb.toString(); |
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} |
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/** |
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* Write the extension to the DerOutputStream. |
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* |
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* @param out the DerOutputStream 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.CertificatePolicies_Id; |
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critical = false; |
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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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* Set the attribute value. |
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*/ |
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jjg
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5506
diff
changeset
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@SuppressWarnings("unchecked") // Checked with an instanceof check |
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public void set(String name, Object obj) throws IOException { |
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if (name.equalsIgnoreCase(POLICIES)) { |
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if (!(obj instanceof List)) { |
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throw new IOException("Attribute value should be of type List."); |
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} |
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certPolicies = (List<PolicyInformation>)obj; |
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} else { |
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throw new IOException("Attribute name [" + name + |
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"] not recognized by " + |
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"CertAttrSet:CertificatePoliciesExtension."); |
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} |
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encodeThis(); |
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} |
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/** |
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* Get the attribute value. |
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*/ |
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changeset
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public List<PolicyInformation> get(String name) throws IOException { |
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if (name.equalsIgnoreCase(POLICIES)) { |
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//XXXX May want to consider cloning this |
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return certPolicies; |
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} else { |
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throw new IOException("Attribute name [" + name + |
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"] not recognized by " + |
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"CertAttrSet:CertificatePoliciesExtension."); |
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} |
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} |
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/** |
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* Delete the attribute value. |
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*/ |
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public void delete(String name) throws IOException { |
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if (name.equalsIgnoreCase(POLICIES)) { |
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certPolicies = null; |
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} else { |
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throw new IOException("Attribute name [" + name + |
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"] not recognized by " + |
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"CertAttrSet:CertificatePoliciesExtension."); |
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} |
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encodeThis(); |
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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(POLICIES); |
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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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} |