content: /*
   * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code 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
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package java.net;
  
  
  /**
   * Checked exception thrown to indicate that a string could not be parsed as a
   * URI reference.
   *
   * @author Mark Reinhold
   * @see URI
   * @since 1.4
   */
  
  public class URISyntaxException
      extends Exception
  {
      private static final long serialVersionUID = 2137979680897488891L;
  
      private String input;
      private int index;
  
      /**
       * Constructs an instance from the given input string, reason, and error
       * index.
       *
       * @param  input   The input string
       * @param  reason  A string explaining why the input could not be parsed
       * @param  index   The index at which the parse error occurred,
       *                 or {@code -1} if the index is not known
       *
       * @throws  NullPointerException
       *          If either the input or reason strings are {@code null}
       *
       * @throws  IllegalArgumentException
       *          If the error index is less than {@code -1}
       */
      public URISyntaxException(String input, String reason, int index) {
          super(reason);
          if ((input == null) || (reason == null))
              throw new NullPointerException();
          if (index < -1)
              throw new IllegalArgumentException();
          this.input = input;
          this.index = index;
      }
  
      /**
       * Constructs an instance from the given input string and reason.  The
       * resulting object will have an error index of {@code -1}.
       *
       * @param  input   The input string
       * @param  reason  A string explaining why the input could not be parsed
       *
       * @throws  NullPointerException
       *          If either the input or reason strings are {@code null}
       */
      public URISyntaxException(String input, String reason) {
          this(input, reason, -1);
      }
  
      /**
       * Returns the input string.
       *
       * @return  The input string
       */
      public String getInput() {
          return input;
      }
  
      /**
       * Returns a string explaining why the input string could not be parsed.
       *
       * @return  The reason string
       */
      public String getReason() {
          return super.getMessage();
      }
  
      /**
       * Returns an index into the input string of the position at which the
       * parse error occurred, or {@code -1} if this position is not known.
       *
       * @return  The error index
       */
      public int getIndex() {
          return index;
      }
  
      /**
       * Returns a string describing the parse error.  The resulting string
       * consists of the reason string followed by a colon character
       * ({@code ':'}), a space, and the input string.  If the error index is
       * defined then the string {@code " at index "} followed by the index, in
       * decimal, is inserted after the reason string and before the colon
       * character.
       *
       * @return  A string describing the parse error
       */
      public String getMessage() {
          StringBuffer sb = new StringBuffer();
          sb.append(getReason());
          if (index > -1) {
              sb.append(" at index ");
              sb.append(index);
          }
          sb.append(": ");
          sb.append(input);
          return sb.toString();
      }
  
  }
  