1 files changed, 131 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/xml/validation/datatype/Base64BinaryType.java b/libjava/classpath/gnu/xml/validation/datatype/Base64BinaryType.java
new file mode 100644
index 00000000000..5a72a280d7b
--- /dev/null
+++ b/libjava/classpath/gnu/xml/validation/datatype/Base64BinaryType.java
@@ -0,0 +1,131 @@
+/* Base64BinaryType.java -- 
+   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.xml.validation.datatype;
+
+import java.util.Collections;
+import java.util.Set;
+import javax.xml.XMLConstants;
+import javax.xml.namespace.QName;
+import org.relaxng.datatype.DatatypeException;
+import org.relaxng.datatype.ValidationContext;
+
+/**
+ * The XML Schema base64Binary type.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ */
+final class Base64BinaryType
+  extends AtomicSimpleType
+{
+
+  static final String B64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
+    "abcdefghijklmnopqrstuvwxyz0123456789+/";
+  static final String B16 = "AEIMQUYcgkosw048";
+  static final String B04 = "AQgw";
+
+  static final int[] CONSTRAINING_FACETS = {
+    Facet.LENGTH,
+    Facet.MIN_LENGTH,
+    Facet.MAX_LENGTH,
+    Facet.PATTERN,
+    Facet.ENUMERATION,
+    Facet.WHITESPACE
+  };
+
+  Base64BinaryType()
+  {
+    super(new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "base64Binary"),
+          TypeLibrary.ANY_SIMPLE_TYPE);
+  }
+
+  public int[] getConstrainingFacets()
+  {
+    return CONSTRAINING_FACETS;
+  }
+
+  public void checkValid(String value, ValidationContext context)
+    throws DatatypeException
+  {
+    super.checkValid(value, context);
+    // TODO value = collapseWhitespace(value);
+    int len = value.length();
+    try
+      {
+        for (int i = len - 1; i >= 0; )
+          {
+            char c4 = value.charAt(i--);
+            if (c4 == ' ')
+              c4 = value.charAt(i--);
+            char c3 = value.charAt(i--);
+            if (c3 == ' ')
+              c3 = value.charAt(i--);
+            char c2 = value.charAt(i--);
+            if (c2 == ' ')
+              c2 = value.charAt(i--);
+            char c1 = value.charAt(i--);
+            if (c1 == ' ')
+              c1 = value.charAt(i--);
+            
+            if (c4 == '=')
+              {
+                if (c3 == '=')
+                  {
+                    if (B04.indexOf(c2) != -1 &&
+                        B64.indexOf(c1) != -1)
+                      continue;
+                  }
+                else if (B16.indexOf(c3) != -1)
+                  {
+                    if (B64.indexOf(c2) != -1 &&
+                        B64.indexOf(c1) != -1)
+                      continue;
+                  }
+              }
+            else if (B64.indexOf(c4) != -1)
+              continue;
+            throw new DatatypeException(i, "illegal BASE64");
+          }
+      }
+    catch (IndexOutOfBoundsException e)
+      {
+        throw new DatatypeException("illegal BASE64");
+      }
+  }
+  
+}
+