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diff --git a/libjava/classpath/java/net/URISyntaxException.java b/libjava/classpath/java/net/URISyntaxException.java
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+/* URISyntaxException.java -- a string could not be parsed as a URI
+   Copyright (C) 2002 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 java.net;
+
+
+/**
+ * This exception is thrown when a String cannot be parsed as a URI.
+ *
+ * @author Eric Blake (ebb9@email.byu.edu)
+ * @see URI
+ * @since 1.4
+ * @status updated to 1.4
+ */
+public class URISyntaxException extends Exception
+{
+  /**
+   * Compatible with JDK 1.4+.
+   */
+  private static final long serialVersionUID = 2137979680897488891L;
+
+  /**
+   * The failed input.
+   *
+   * @serial the bad URI
+   */
+  private final String input;
+
+  /**
+   * The index of failure.
+   *
+   * @serial the location of the problem
+   */
+  private final int index;
+
+  /**
+   * Create an exception from the invalid string, with the index set to -1.
+   *
+   * @param input the bad URI
+   * @param msg the descriptive error message
+   * @throws NullPointerException if input or msg are null
+   */
+  public URISyntaxException(String input, String msg)
+  {
+    this(input, msg, -1);
+  }
+
+  /**
+   * Create an exception from the invalid string, with the index of the
+   * point of failure.
+   *
+   * @param input the bad URI
+   * @param msg the descriptive error message
+   * @param index the index of the parse error, or -1
+   * @throws NullPointerException if input or msg are null
+   * @throws IllegalArgumentException if index &lt; -1
+   */
+  public URISyntaxException(String input, String msg, int index)
+  {
+    // The toString() hack checks for null.
+    super(msg.toString());
+    this.input = input.toString();
+    this.index = index;
+    if (index < -1)
+      throw new IllegalArgumentException();
+  }
+
+  /**
+   * Returns the bad input string.
+   *
+   * @return the bad URI, guaranteed non-null
+   */
+  public String getInput()
+  {
+    return input;
+  }
+
+  /**
+   * Returns the reason for the failure.
+   *
+   * @return the message, guaranteed non-null
+   */
+  public String getReason()
+  {
+    return super.getMessage();
+  }
+
+  /**
+   * Returns the index of the failure, or -1.
+   *
+   * @return the index of failure
+   */
+  public int getIndex()
+  {
+    return index;
+  }
+
+  /**
+   * Returns a message describing the parse error, as if by
+   * <code>getReason() + (getIndex() &gt;= 0 ? " at index " + getIndex() : "")
+   * + ": " + getInput()</code>.
+   *
+   * @return the message string
+   */
+  public String getMessage()
+  {
+    return (super.getMessage() + (index >= 0 ? " at index " + index : "")
+           + ": " + input);
+  }
+}