diff options
Diffstat (limited to 'pki/base/util/src/netscape/security/x509/GeneralNames.java')
-rw-r--r-- | pki/base/util/src/netscape/security/x509/GeneralNames.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/pki/base/util/src/netscape/security/x509/GeneralNames.java b/pki/base/util/src/netscape/security/x509/GeneralNames.java new file mode 100644 index 000000000..d08eeb1a5 --- /dev/null +++ b/pki/base/util/src/netscape/security/x509/GeneralNames.java @@ -0,0 +1,140 @@ +// --- BEGIN COPYRIGHT BLOCK --- +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; version 2 of the License. +// +// This program 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 for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// (C) 2007 Red Hat, Inc. +// All rights reserved. +// --- END COPYRIGHT BLOCK --- +package netscape.security.x509; + +import java.io.IOException; +import java.util.Enumeration; +import java.util.Vector; + +import netscape.security.util.*; + +/** + * This object class represents the GeneralNames type required in + * X509 certificates. + * <p>The ASN.1 syntax for this is: + * <pre> + * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName + * </pre> + * @author Amit Kapoor + * @author Hemma Prafullchandra + * @version 1.7 + */ +public class GeneralNames extends Vector { + /** + * Create the GeneralNames, decoding from the passed DerValue. + * + * <b>Caution when using this constructor. It may be broken! + * Better to call addElement(gni) directly where gni is + * a GeneralNameInterface object </b> + * + * @param derVal the DerValue to construct the GeneralNames from. + * @exception GeneralNamesException on decoding error. + * @exception IOException on error. + */ + public GeneralNames(DerValue derVal) + throws IOException, GeneralNamesException { + if (derVal.tag != DerValue.tag_Sequence) { + throw new IOException("Invalid encoding for GeneralNames."); + } + if (derVal.data.available() == 0) { + throw new GeneralNamesException("No data available in " + + "passed DER encoded value."); + } + // Decode all the GeneralName's + while (derVal.data.available() != 0) { + DerValue encName = derVal.data.getDerValue(); + + GeneralName name = new GeneralName(encName); + addElement(name); + } + } + + /** + * Create the GeneralNames + * + * @param names a non-empty array of names to put into the + * generalNames + */ + + public GeneralNames(GeneralNameInterface[] names) + throws GeneralNamesException { + if (names == null || names.length==0) + throw new GeneralNamesException("Cannot create empty GeneralNames"); + + for (int i=0;i<names.length;i++) { + addElement(names[i]); + } + } + + + + /** + * The default constructor for this class. + */ + public GeneralNames() { + super(1,1); + } + + /** + * Write the extension to the DerOutputStream. + * + * @param out the DerOutputStream to write the extension to. + * @exception GeneralNamesException on encoding error. + * @exception IOException on error. + */ + public void encode(DerOutputStream out) + throws IOException, GeneralNamesException { + if (size() == 0) { return; } + + Enumeration names = elements(); + DerOutputStream temp = new DerOutputStream(); + + while (names.hasMoreElements()) { + Object obj = names.nextElement(); + if (!(obj instanceof GeneralNameInterface)) { + throw new GeneralNamesException("Element in GeneralNames " + + "not of type GeneralName."); + } + GeneralNameInterface intf = (GeneralNameInterface)obj; + if (obj instanceof GeneralName) { + intf.encode(temp); + } else { + DerOutputStream gname = new DerOutputStream(); + intf.encode(gname); + int nameType = intf.getType(); + // constructed form + if (nameType == GeneralNameInterface.NAME_ANY || + nameType == GeneralNameInterface.NAME_X400 || + nameType == GeneralNameInterface.NAME_EDI) { + + temp.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, + true, (byte)nameType), gname); + } else if ( nameType == GeneralNameInterface.NAME_DIRECTORY ) { + // EXPLICIT tag because directoryName is a CHOICE + temp.write(DerValue.createTag(DerValue.TAG_CONTEXT, + true, (byte)nameType), gname); + } else // primitive form + temp.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, + false, (byte)nameType), gname); + } + + } + + out.write(DerValue.tag_Sequence,temp); + } +} |