--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/x509/CertificateAlgorithmId.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,170 @@
+/*
+ * Copyright 1997-2006 Sun Microsystems, Inc. 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.security.x509;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Enumeration;
+
+import sun.security.util.*;
+
+/**
+ * This class defines the AlgorithmId for the Certificate.
+ *
+ * @author Amit Kapoor
+ * @author Hemma Prafullchandra
+ */
+public class CertificateAlgorithmId implements CertAttrSet<String> {
+ private AlgorithmId algId;
+
+ /**
+ * Identifier for this attribute, to be used with the
+ * get, set, delete methods of Certificate, x509 type.
+ */
+ public static final String IDENT = "x509.info.algorithmID";
+ /**
+ * Sub attributes name for this CertAttrSet.
+ */
+ public static final String NAME = "algorithmID";
+
+ /**
+ * Identifier to be used with get, set, and delete methods. When
+ * using this identifier the associated object being passed in or
+ * returned is an instance of AlgorithmId.
+ * @see sun.security.x509.AlgorithmId
+ */
+ public static final String ALGORITHM = "algorithm";
+
+ /**
+ * Default constructor for the certificate attribute.
+ *
+ * @param algId the Algorithm identifier
+ */
+ public CertificateAlgorithmId(AlgorithmId algId) {
+ this.algId = algId;
+ }
+
+ /**
+ * Create the object, decoding the values from the passed DER stream.
+ *
+ * @param in the DerInputStream to read the serial number from.
+ * @exception IOException on decoding errors.
+ */
+ public CertificateAlgorithmId(DerInputStream in) throws IOException {
+ DerValue val = in.getDerValue();
+ algId = AlgorithmId.parse(val);
+ }
+
+ /**
+ * Create the object, decoding the values from the passed stream.
+ *
+ * @param in the InputStream to read the serial number from.
+ * @exception IOException on decoding errors.
+ */
+ public CertificateAlgorithmId(InputStream in) throws IOException {
+ DerValue val = new DerValue(in);
+ algId = AlgorithmId.parse(val);
+ }
+
+ /**
+ * Return the algorithm identifier as user readable string.
+ */
+ public String toString() {
+ if (algId == null) return "";
+ return (algId.toString() +
+ ", OID = " + (algId.getOID()).toString() + "\n");
+ }
+
+ /**
+ * Encode the algorithm identifier in DER form to the stream.
+ *
+ * @param out the DerOutputStream to marshal the contents to.
+ * @exception IOException on errors.
+ */
+ public void encode(OutputStream out) throws IOException {
+ DerOutputStream tmp = new DerOutputStream();
+ algId.encode(tmp);
+
+ out.write(tmp.toByteArray());
+ }
+
+ /**
+ * Set the attribute value.
+ */
+ public void set(String name, Object obj) throws IOException {
+ if (!(obj instanceof AlgorithmId)) {
+ throw new IOException("Attribute must be of type AlgorithmId.");
+ }
+ if (name.equalsIgnoreCase(ALGORITHM)) {
+ algId = (AlgorithmId)obj;
+ } else {
+ throw new IOException("Attribute name not recognized by " +
+ "CertAttrSet:CertificateAlgorithmId.");
+ }
+ }
+
+ /**
+ * Get the attribute value.
+ */
+ public Object get(String name) throws IOException {
+ if (name.equalsIgnoreCase(ALGORITHM)) {
+ return (algId);
+ } else {
+ throw new IOException("Attribute name not recognized by " +
+ "CertAttrSet:CertificateAlgorithmId.");
+ }
+ }
+
+ /**
+ * Delete the attribute value.
+ */
+ public void delete(String name) throws IOException {
+ if (name.equalsIgnoreCase(ALGORITHM)) {
+ algId = null;
+ } else {
+ throw new IOException("Attribute name not recognized by " +
+ "CertAttrSet:CertificateAlgorithmId.");
+ }
+ }
+
+ /**
+ * Return an enumeration of names of attributes existing within this
+ * attribute.
+ */
+ public Enumeration<String> getElements() {
+ AttributeNameEnumeration elements = new AttributeNameEnumeration();
+ elements.addElement(ALGORITHM);
+ return (elements.elements());
+ }
+
+ /**
+ * Return the name of this attribute.
+ */
+ public String getName() {
+ return (NAME);
+ }
+}