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jeremybenn |
/* URISyntaxException.java -- a string could not be parsed as a URI
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.net;
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/**
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* This exception is thrown when a String cannot be parsed as a URI.
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*
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* @author Eric Blake (ebb9@email.byu.edu)
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* @see URI
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* @since 1.4
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* @status updated to 1.4
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*/
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public class URISyntaxException extends Exception
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{
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/**
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* Compatible with JDK 1.4+.
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*/
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private static final long serialVersionUID = 2137979680897488891L;
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/**
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* The failed input.
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*
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* @serial the bad URI
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*/
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private final String input;
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/**
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* The index of failure.
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*
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* @serial the location of the problem
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*/
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private final int index;
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/**
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* Create an exception from the invalid string, with the index set to -1.
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*
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* @param input the bad URI
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* @param msg the descriptive error message
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* @throws NullPointerException if input or msg are null
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*/
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public URISyntaxException(String input, String msg)
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{
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this(input, msg, -1);
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}
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/**
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* Create an exception from the invalid string, with the index of the
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* point of failure.
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*
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* @param input the bad URI
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* @param msg the descriptive error message
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* @param index the index of the parse error, or -1
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* @throws NullPointerException if input or msg are null
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* @throws IllegalArgumentException if index < -1
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*/
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public URISyntaxException(String input, String msg, int index)
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{
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// The toString() hack checks for null.
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super(msg.toString());
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this.input = input.toString();
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this.index = index;
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if (index < -1)
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throw new IllegalArgumentException();
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}
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/**
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* Returns the bad input string.
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*
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* @return the bad URI, guaranteed non-null
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*/
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public String getInput()
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{
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return input;
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}
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/**
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* Returns the reason for the failure.
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*
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* @return the message, guaranteed non-null
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*/
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public String getReason()
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{
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return super.getMessage();
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}
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/**
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* Returns the index of the failure, or -1.
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*
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* @return the index of failure
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*/
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public int getIndex()
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{
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return index;
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}
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/**
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* Returns a message describing the parse error, as if by
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* <code>getReason() + (getIndex() >= 0 ? " at index " + getIndex() : "")
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* + ": " + getInput()</code>.
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*
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* @return the message string
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*/
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public String getMessage()
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{
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return (super.getMessage() + (index >= 0 ? " at index " + index : "")
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+ ": " + input);
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}
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}
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