Imported GNU Classpath 0.90

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.

From-SVN: r111942

libjava/classpath/gnu/java/security/hash/HashFactory.java

@@ -0,0 +1,178 @@
+/* HashFactory.java -- 
+   Copyright (C) 2001, 2002, 2003, 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.hash;
+
+import gnu.java.security.Registry;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * <p>A <i>Factory</i> to instantiate message digest algorithm instances.</p>
+ */
+public class HashFactory
+{
+
+  // Constants and variables
+  // -------------------------------------------------------------------------
+
+  // Constructor(s)
+  // -------------------------------------------------------------------------
+
+  /** Trivial constructor to enforce <i>Singleton</i> pattern. */
+  private HashFactory()
+  {
+    super();
+  }
+
+  // Class methods
+  // -------------------------------------------------------------------------
+
+  /**
+   * <p>Return an instance of a hash algorithm given its name.</p>
+   *
+   * @param name the name of the hash algorithm.
+   * @return an instance of the hash algorithm, or null if none found.
+   * @exception InternalError if the implementation does not pass its self-
+   * test.
+   */
+  public static IMessageDigest getInstance(String name)
+  {
+    if (name == null)
+      {
+        return null;
+      }
+
+    name = name.trim();
+    IMessageDigest result = null;
+    if (name.equalsIgnoreCase(Registry.WHIRLPOOL_HASH))
+      {
+        result = new Whirlpool();
+      }
+    else if (name.equalsIgnoreCase(Registry.RIPEMD128_HASH)
+             || name.equalsIgnoreCase(Registry.RIPEMD_128_HASH))
+      {
+        result = new RipeMD128();
+      }
+    else if (name.equalsIgnoreCase(Registry.RIPEMD160_HASH)
+             || name.equalsIgnoreCase(Registry.RIPEMD_160_HASH))
+      {
+        result = new RipeMD160();
+      }
+    else if (name.equalsIgnoreCase(Registry.SHA160_HASH)
+             || name.equalsIgnoreCase(Registry.SHA_1_HASH)
+             || name.equalsIgnoreCase(Registry.SHA1_HASH)
+             || name.equalsIgnoreCase(Registry.SHA_HASH))
+      {
+        result = new Sha160();
+      }
+    else if (name.equalsIgnoreCase(Registry.SHA256_HASH))
+      {
+        result = new Sha256();
+      }
+    else if (name.equalsIgnoreCase(Registry.SHA384_HASH))
+      {
+        result = new Sha384();
+      }
+    else if (name.equalsIgnoreCase(Registry.SHA512_HASH))
+      {
+        result = new Sha512();
+      }
+    else if (name.equalsIgnoreCase(Registry.TIGER_HASH))
+      {
+        result = new Tiger();
+      }
+    else if (name.equalsIgnoreCase(Registry.HAVAL_HASH))
+      {
+        result = new Haval();
+      }
+    else if (name.equalsIgnoreCase(Registry.MD5_HASH))
+      {
+        result = new MD5();
+      }
+    else if (name.equalsIgnoreCase(Registry.MD4_HASH))
+      {
+        result = new MD4();
+      }
+    else if (name.equalsIgnoreCase(Registry.MD2_HASH))
+      {
+        result = new MD2();
+      }
+    else if (name.equalsIgnoreCase(Registry.HAVAL_HASH))
+      {
+        result = new Haval();
+      }
+
+    if (result != null && !result.selfTest())
+      {
+        throw new InternalError(result.name());
+      }
+
+    return result;
+  }
+
+  /**
+   * <p>Returns a {@link Set} of names of hash algorithms supported by this
+   * <i>Factory</i>.</p>
+   *
+   * @return a {@link Set} of hash names (Strings).
+   */
+  public static final Set getNames()
+  {
+    HashSet hs = new HashSet();
+    hs.add(Registry.WHIRLPOOL_HASH);
+    hs.add(Registry.RIPEMD128_HASH);
+    hs.add(Registry.RIPEMD160_HASH);
+    hs.add(Registry.SHA160_HASH);
+    hs.add(Registry.SHA256_HASH);
+    hs.add(Registry.SHA384_HASH);
+    hs.add(Registry.SHA512_HASH);
+    hs.add(Registry.TIGER_HASH);
+    hs.add(Registry.HAVAL_HASH);
+    hs.add(Registry.MD5_HASH);
+    hs.add(Registry.MD4_HASH);
+    hs.add(Registry.MD2_HASH);
+
+    return Collections.unmodifiableSet(hs);
+  }
+
+  // Instance methods
+  // -------------------------------------------------------------------------
+}