1 files changed, 110 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/nio/charset/iconv/IconvProvider.java b/libjava/classpath/gnu/java/nio/charset/iconv/IconvProvider.java
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index 000000000..1d5ca1052
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+++ b/libjava/classpath/gnu/java/nio/charset/iconv/IconvProvider.java
@@ -0,0 +1,110 @@
+/* IconvProvider.java --
+   Copyright (C) 2005, 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.nio.charset.iconv;
+
+import java.nio.charset.Charset;
+import java.nio.charset.spi.CharsetProvider;
+import java.util.Iterator;
+import java.util.Vector;
+
+/**
+ * Charset provider wrapping iconv.
+ *
+ * Note: This class is a privileged class, because it can be instantiated without
+ * requiring the RuntimePermission("charsetProvider"). There is a check in
+ * java.nio.charset.spi.CharsetProvider to skip the security check if the provider
+ * is an instance of this class.
+ *
+ * @author Sven de Marothy
+ */
+public final class IconvProvider extends CharsetProvider
+{
+  private static IconvProvider singleton;
+
+  // Declaring the construtor public may violate the use of singleton.
+  // But it must be public so that an instance of this class can be
+  // created by Class.newInstance(), which is the case when this provider is
+  // defined in META-INF/services/java.nio.charset.spi.CharsetProvider.
+  public IconvProvider()
+  {
+    IconvMetaData.setup();
+  }
+
+  public Iterator charsets()
+  {
+    Vector names = IconvMetaData.charsets();
+    Vector charsets = new Vector();
+    for (int i = 0; i < names.size(); i++)
+      {
+        try
+          {
+            charsets.add(new IconvCharset((IconvMetaData) names.elementAt(i)));
+          }
+        catch (IllegalArgumentException e)
+          {
+          }
+      }
+    return charsets.iterator();
+  }
+
+  public Charset charsetForName(String charsetName)
+  {
+    try
+      {
+        IconvMetaData info = IconvMetaData.get(charsetName);
+
+        // Try anyway if the set isn't found.
+        if (info == null)
+          info = new IconvMetaData(charsetName, 2.0f, 2.0f, 2.0f, 2.0f,
+                                   new String[] {  }, charsetName);
+        return new IconvCharset(info);
+      }
+    catch (IllegalArgumentException e)
+      {
+        return null;
+      }
+  }
+
+  public static synchronized IconvProvider provider()
+  {
+    if (singleton == null)
+      singleton = new IconvProvider();
+    return singleton;
+  }
+}