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Diffstat (limited to 'libjava/gnu/java/security/der/DERValue.java')
-rw-r--r-- | libjava/gnu/java/security/der/DERValue.java | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/libjava/gnu/java/security/der/DERValue.java b/libjava/gnu/java/security/der/DERValue.java deleted file mode 100644 index 9a597d724cc..00000000000 --- a/libjava/gnu/java/security/der/DERValue.java +++ /dev/null @@ -1,170 +0,0 @@ -/* DERValue.java -- a value read or written to a DER encoding. - Copyright (C) 2003 Free Software Foundation, Inc. - -This file is 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, 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; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, 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.der; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; - -public class DERValue implements DER -{ - - // Fields. - // ------------------------------------------------------------------------ - - private final int tagClass; - private final boolean constructed; - private final int tag; - private int length; - private final Object value; - private byte[] encoded; - - // Constructor. - // ------------------------------------------------------------------------ - - public DERValue(int tag, int length, Object value, byte[] encoded) - { - tagClass = tag & 0xC0; - this.tag = tag & 0x1F; - constructed = (tag & CONSTRUCTED) == CONSTRUCTED; - this.length = length; - this.value = value; - if (encoded != null) - this.encoded = (byte[]) encoded.clone(); - } - - public DERValue(int tag, Object value) - { - this(tag, 0, value, null); - } - - // Instance methods. - // ------------------------------------------------------------------------ - - public int getExternalTag() - { - return tagClass | tag | (constructed ? 0x20 : 0x00); - } - - public int getTag() - { - return tag; - } - - public int getTagClass() - { - return tagClass; - } - - public boolean isConstructed() - { - return constructed; - } - - public int getLength() - { - if (encoded == null) - { - try - { - ByteArrayOutputStream out = new ByteArrayOutputStream(); - length = DERWriter.write(out, this); - encoded = out.toByteArray(); - } - catch (IOException ioe) - { - encoded = new byte[0]; - } - } - return length; - } - - public Object getValue() - { - return value; - } - - public Object getValueAs (final int derType) throws IOException - { - byte[] encoded = getEncoded (); - encoded[0] = (byte) derType; - return DERReader.read (encoded).getValue (); - } - - public byte[] getEncoded() - { - if (encoded == null) - { - try - { - ByteArrayOutputStream out = new ByteArrayOutputStream(); - length = DERWriter.write(out, this); - encoded = out.toByteArray(); - } - catch (IOException ioe) - { - encoded = new byte[0]; - } - } - return (byte[]) encoded.clone(); - } - - public int getEncodedLength() - { - if (encoded == null) - { - try - { - ByteArrayOutputStream out = new ByteArrayOutputStream(); - length = DERWriter.write(out, this); - encoded = out.toByteArray(); - } - catch (IOException ioe) - { - encoded = new byte[0]; - } - } - return encoded.length; - } - - public String toString() - { - return "DERValue [ tag=" + tag + ", class=" + tagClass + ", constructed=" - + constructed + ", value=" + value + " ]"; - } -} |