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Diffstat (limited to 'libjava/classpath/gnu/java/security/x509/ext/GeneralSubtree.java')
| -rw-r--r-- | libjava/classpath/gnu/java/security/x509/ext/GeneralSubtree.java | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/libjava/classpath/gnu/java/security/x509/ext/GeneralSubtree.java b/libjava/classpath/gnu/java/security/x509/ext/GeneralSubtree.java deleted file mode 100644 index 5d688deaab2..00000000000 --- a/libjava/classpath/gnu/java/security/x509/ext/GeneralSubtree.java +++ /dev/null @@ -1,156 +0,0 @@ -/* GeneralSubtree.java -- - Copyright (C) 2006 Free Software Foundation, Inc. - -This file is a part of GNU Classpath. - -GNU Classpath 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; either version 2 of the License, or (at -your option) any later version. - -GNU Classpath 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 GNU Classpath; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 -USA - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.security.x509.ext; - -import gnu.java.security.der.DERReader; -import gnu.java.security.der.DERValue; - -import java.io.IOException; -import java.math.BigInteger; - -/** - * The GeneralSubtree structure, a part of the {@link NameConstraints} - * extension. - * - * <pre> - GeneralSubtree ::= SEQUENCE { - base GeneralName, - minimum [0] BaseDistance DEFAULT 0, - maximum [1] BaseDistance OPTIONAL } - - BaseDistance ::= INTEGER (0..MAX)</pre> - * - * @author Casey Marshall (csm@gnu.org) - */ -public class GeneralSubtree -{ - private final GeneralName base; - private final int minimum; - private final int maximum; - - public GeneralSubtree(byte[] encoded) throws IOException - { - DERReader reader = new DERReader(encoded); - DERValue generalSubtree = reader.read(); - - if (!generalSubtree.isConstructed()) - throw new IOException("malformed GeneralSubtree"); - - DERValue generalName = reader.read(); - base = new GeneralName(generalName.getEncoded()); - if (generalName.isConstructed()) - reader.skip(generalName.getLength()); - - int len = generalName.getEncodedLength(); - if (len < generalSubtree.getLength()) - { - DERValue distance = reader.read(); - if (distance.getTag() == 0) - { - minimum = ((BigInteger) distance.getValue()).intValue(); - len += distance.getEncodedLength(); - if (len < generalSubtree.getLength()) - { - distance = reader.read(); - if (distance.getTag() != 1) - throw new IOException("unexpected tag " - + distance.getTag() + - " (expected 1 for GeneralSubtree maximum distance)"); - maximum = ((BigInteger) distance.getValue()).intValue(); - } - else - { - maximum = -1; - } - } - else if (distance.getTag() == 1) - { - minimum = 1; - maximum = ((BigInteger) distance.getValue()).intValue(); - } - else - { - throw new IOException("unexpected tag " + distance.getTag() - + " (expected 0 or 1 for GeneralSubtree distance)"); - } - } - else - { - minimum = 0; - maximum = -1; - } - } - - /** - * Returns the base name. - * - * @return The base name. - */ - public GeneralName base() - { - return base; - } - - /** - * Returns the minimum base distance, possibly zero. - * - * @return The minimum base distance. - */ - public int minimum() - { - return minimum; - } - - /** - * Returns the maximum base distance, or -1 if this value was not specified. - * - * @return The maximum base distance. - */ - public int maximum() - { - return maximum; - } - - public String toString() - { - return (GeneralSubtree.class.getName() + " [ base=" + base - + "; minimum=" + minimum + "; maximim=" + maximum - + " ]"); - } -} |
