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authormark <mark@138bc75d-0d04-0410-961f-82ee72b054a4>2006-03-10 21:46:48 +0000
committermark <mark@138bc75d-0d04-0410-961f-82ee72b054a4>2006-03-10 21:46:48 +0000
commitce57ab760f69de6db452def7ffbf5b114a2d8694 (patch)
treeea38c56431c5d4528fb54254c3f8e50f517bede3 /libjava/classpath/gnu/java/security/util/FormatUtil.java
parent50996fe55769882de3f410896032c887f0ff0d04 (diff)
downloadppe42-gcc-ce57ab760f69de6db452def7ffbf5b114a2d8694.tar.gz
ppe42-gcc-ce57ab760f69de6db452def7ffbf5b114a2d8694.zip
Imported GNU Classpath 0.90
* scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore. * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant. * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5. * java/lang/Math.java: New override file. * java/lang/Character.java: Merged from Classpath. (start, end): Now 'int's. (canonicalName): New field. (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants. (UnicodeBlock): Added argument. (of): New overload. (forName): New method. Updated unicode blocks. (sets): Updated. * sources.am: Regenerated. * Makefile.in: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111942 138bc75d-0d04-0410-961f-82ee72b054a4
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+/* FormatUtil.java -- Encoding and decoding format utility methods
+ Copyright (C) 2006 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.util;
+
+import gnu.java.security.Registry;
+
+/**
+ * Encoding and decoding format utility methods.
+ */
+public class FormatUtil
+{
+ /** Trivial constructor to enforce Singleton pattern. */
+ private FormatUtil()
+ {
+ super();
+ }
+
+ /**
+ * Returns the fully qualified name of the designated encoding ID.
+ *
+ * @param formatID the unique identifier of the encoding format.
+ * @return the fully qualified name of the designated format. Returns
+ * <code>null</code> if no such encoding format is known.
+ */
+ public static final String getEncodingName(int formatID)
+ {
+ String result = null;
+ switch (formatID)
+ {
+ case Registry.RAW_ENCODING_ID:
+ result = Registry.RAW_ENCODING;
+ break;
+ case Registry.X509_ENCODING_ID:
+ result = Registry.X509_ENCODING;
+ break;
+ case Registry.PKCS8_ENCODING_ID:
+ result = Registry.PKCS8_ENCODING;
+ break;
+ case Registry.ASN1_ENCODING_ID:
+ result = Registry.ASN1_ENCODING;
+ break;
+ }
+
+ return result;
+ }
+
+ /**
+ * Returns the short name of the designated encoding ID. This is used by the
+ * JCE Adapters.
+ *
+ * @param formatID the unique identifier of the encoding format.
+ * @return the short name of the designated format. Returns <code>null</code>
+ * if no such encoding format is known.
+ */
+ public static final String getEncodingShortName(int formatID)
+ {
+ String result = null;
+ switch (formatID)
+ {
+ case Registry.RAW_ENCODING_ID:
+ result = Registry.RAW_ENCODING_SHORT_NAME;
+ break;
+ case Registry.X509_ENCODING_ID:
+ result = Registry.X509_ENCODING_SORT_NAME;
+ break;
+ case Registry.PKCS8_ENCODING_ID:
+ result = Registry.PKCS8_ENCODING_SHORT_NAME;
+ break;
+ case Registry.ASN1_ENCODING_ID:
+ result = Registry.ASN1_ENCODING_SHORT_NAME;
+ break;
+ }
+
+ return result;
+ }
+
+ /**
+ * Returns the identifier of the encoding format given its short name.
+ *
+ * @param name the case-insensitive canonical short name of an encoding
+ * format.
+ * @return the identifier of the designated encoding format, or <code>0</code>
+ * if the name does not correspond to any known format.
+ */
+ public static final int getFormatID(String name)
+ {
+ if (name == null)
+ return 0;
+
+ name = name.trim();
+ if (name.length() == 0)
+ return 0;
+
+ int result = 0;
+ if (name.equalsIgnoreCase(Registry.RAW_ENCODING_SHORT_NAME))
+ result = Registry.RAW_ENCODING_ID;
+ else if (name.equalsIgnoreCase(Registry.X509_ENCODING_SORT_NAME))
+ result = Registry.X509_ENCODING_ID;
+ else if (name.equalsIgnoreCase(Registry.PKCS8_ENCODING_SHORT_NAME))
+ result = Registry.PKCS8_ENCODING_ID;
+
+ return result;
+ }
+}
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