--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/com/sun/org/apache/xml/internal/security/utils/JavaUtils.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,127 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright  1999-2004 The Apache Software Foundation.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+package com.sun.org.apache.xml.internal.security.utils;
+
+
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+
+/**
+ * A collection of different, general-purpose methods for JAVA-specific things
+ * @author Christian Geuer-Pollmann
+ *
+ */
+public class JavaUtils {
+
+   /** {@link java.util.logging} logging facility */
+    static java.util.logging.Logger log =
+        java.util.logging.Logger.getLogger(JavaUtils.class.getName());
+
+   private JavaUtils() {
+     // we don't allow instantiation
+   }
+   /**
+    * Method getBytesFromFile
+    *
+    * @param fileName
+    * @return the bytes readed from the file
+    *
+    * @throws FileNotFoundException
+    * @throws IOException
+    */
+   public static byte[] getBytesFromFile(String fileName)
+           throws FileNotFoundException, IOException {
+
+      byte refBytes[] = null;
+
+      {
+         FileInputStream fisRef = new FileInputStream(fileName);
+         UnsyncByteArrayOutputStream baos = new UnsyncByteArrayOutputStream();
+         byte buf[] = new byte[1024];
+         int len;
+
+         while ((len = fisRef.read(buf)) > 0) {
+            baos.write(buf, 0, len);
+         }
+
+         refBytes = baos.toByteArray();
+      }
+
+      return refBytes;
+   }
+
+   /**
+    * Method writeBytesToFilename
+    *
+    * @param filename
+    * @param bytes
+    */
+   public static void writeBytesToFilename(String filename, byte[] bytes) {
+
+      try {
+         if (filename != null && bytes != null) {
+            File f = new File(filename);
+
+            FileOutputStream fos = new FileOutputStream(f);
+
+            fos.write(bytes);
+            fos.close();
+         } else {
+            if (log.isLoggable(java.util.logging.Level.FINE))                                     log.log(java.util.logging.Level.FINE, "writeBytesToFilename got null byte[] pointed");
+         }
+      } catch (Exception ex) {}
+   }
+
+   /**
+    * This method reads all bytes from the given InputStream till EOF and returns
+    * them as a byte array.
+    *
+    * @param inputStream
+    * @return the bytes readed from the stream
+    *
+    * @throws FileNotFoundException
+    * @throws IOException
+    */
+   public static byte[] getBytesFromStream(InputStream inputStream) throws IOException {
+
+      byte refBytes[] = null;
+
+      {
+         UnsyncByteArrayOutputStream baos = new UnsyncByteArrayOutputStream();
+         byte buf[] = new byte[1024];
+         int len;
+
+         while ((len = inputStream.read(buf)) > 0) {
+            baos.write(buf, 0, len);
+         }
+
+         refBytes = baos.toByteArray();
+      }
+
+      return refBytes;
+   }
+}