/* * Copyright (c) 1997, 2006, 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.pkcs; import java.io.IOException; import java.io.OutputStream; import java.security.cert.CertificateException; import java.util.Collection; import java.util.Collections; import java.util.Enumeration; import java.util.Hashtable; import sun.security.util.*; /** * This class defines the PKCS10 attributes for the request. * The ASN.1 syntax for this is: *
 * Attributes ::= SET OF Attribute
 * 
* * @author Amit Kapoor * @author Hemma Prafullchandra * @see PKCS10 * @see PKCS10Attribute */ public class PKCS10Attributes implements DerEncoder { private Hashtable map = new Hashtable(3); /** * Default constructor for the PKCS10 attribute. */ public PKCS10Attributes() { } /** * Create the object from the array of PKCS10Attribute objects. * * @param attrs the array of PKCS10Attribute objects. */ public PKCS10Attributes(PKCS10Attribute[] attrs) { for (int i = 0; i < attrs.length; i++) { map.put(attrs[i].getAttributeId().toString(), attrs[i]); } } /** * Create the object, decoding the values from the passed DER stream. * The DER stream contains the SET OF Attribute. * * @param in the DerInputStream to read the attributes from. * @exception IOException on decoding errors. */ public PKCS10Attributes(DerInputStream in) throws IOException { DerValue[] attrs = in.getSet(3, true); if (attrs == null) throw new IOException("Illegal encoding of attributes"); for (int i = 0; i < attrs.length; i++) { PKCS10Attribute attr = new PKCS10Attribute(attrs[i]); map.put(attr.getAttributeId().toString(), attr); } } /** * Encode the attributes in DER form to the stream. * * @param out the OutputStream to marshal the contents to. * @exception IOException on encoding errors. */ public void encode(OutputStream out) throws IOException { derEncode(out); } /** * Encode the attributes in DER form to the stream. * Implements the DerEncoder interface. * * @param out the OutputStream to marshal the contents to. * @exception IOException on encoding errors. */ public void derEncode(OutputStream out) throws IOException { // first copy the elements into an array Collection allAttrs = map.values(); PKCS10Attribute[] attribs = allAttrs.toArray(new PKCS10Attribute[map.size()]); DerOutputStream attrOut = new DerOutputStream(); attrOut.putOrderedSetOf(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0), attribs); out.write(attrOut.toByteArray()); } /** * Set the attribute value. */ public void setAttribute(String name, Object obj) { if (obj instanceof PKCS10Attribute) { map.put(name, (PKCS10Attribute)obj); } } /** * Get the attribute value. */ public Object getAttribute(String name) { return map.get(name); } /** * Delete the attribute value. */ public void deleteAttribute(String name) { map.remove(name); } /** * Return an enumeration of names of attributes existing within this * attribute. */ public Enumeration getElements() { return (map.elements()); } /** * Return a Collection of attributes existing within this * PKCS10Attributes object. */ public Collection getAttributes() { return (Collections.unmodifiableCollection(map.values())); } /** * Compares this PKCS10Attributes for equality with the specified * object. If the other object is an * instanceof PKCS10Attributes, then * all the entries are compared with the entries from this. * * @param other the object to test for equality with this PKCS10Attributes. * @return true if all the entries match that of the Other, * false otherwise. */ public boolean equals(Object other) { if (this == other) return true; if (!(other instanceof PKCS10Attributes)) return false; Collection othersAttribs = ((PKCS10Attributes)other).getAttributes(); PKCS10Attribute[] attrs = othersAttribs.toArray(new PKCS10Attribute[othersAttribs.size()]); int len = attrs.length; if (len != map.size()) return false; PKCS10Attribute thisAttr, otherAttr; String key = null; for (int i=0; i < len; i++) { otherAttr = attrs[i]; key = otherAttr.getAttributeId().toString(); if (key == null) return false; thisAttr = map.get(key); if (thisAttr == null) return false; if (! thisAttr.equals(otherAttr)) return false; } return true; } /** * Returns a hashcode value for this PKCS10Attributes. * * @return the hashcode value. */ public int hashCode() { return map.hashCode(); } /** * Returns a string representation of this PKCS10Attributes object * in the form of a set of entries, enclosed in braces and separated * by the ASCII characters "" (comma and space). *

Overrides the toString method of Object. * * @return a string representation of this PKCS10Attributes. */ public String toString() { String s = map.size() + "\n" + map.toString(); return s; } }