java.net.URISyntaxException Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 java.net;
/**
* A {@code URISyntaxException} will be thrown if some information could not be parsed
* while creating a URI.
*/
public class URISyntaxException extends Exception {
private static final long serialVersionUID = 2137979680897488891L;
private String input;
private int index;
/**
* Constructs a new {@code URISyntaxException} instance containing the
* string that caused the exception, a description of the problem and the
* index at which the error occurred.
*
* @param input
* the string that caused the exception.
* @param reason
* the reason why the exception occurred.
* @param index
* the position where the exception occurred.
* @throws NullPointerException
* if one of the arguments {@code input} or {@code reason} is
* {@code null}.
* @throws IllegalArgumentException
* if the value for {@code index} is lesser than {@code -1}.
*/
public URISyntaxException(String input, String reason, int index) {
super(reason);
if (input == null) {
throw new NullPointerException("input == null");
} else if (reason == null) {
throw new NullPointerException("reason == null");
}
if (index < -1) {
throw new IllegalArgumentException("Bad index: " + index);
}
this.input = input;
this.index = index;
}
/**
* Constructs a new {@code URISyntaxException} instance containing the
* string that caused the exception and a description of the problem.
*
*@param input
* the string that caused the exception.
* @param reason
* the reason why the exception occurred.
* @throws NullPointerException
* if one of the arguments {@code input} or {@code reason} is
* {@code null}.
*/
public URISyntaxException(String input, String reason) {
super(reason);
if (input == null) {
throw new NullPointerException("input == null");
} else if (reason == null) {
throw new NullPointerException("reason == null");
}
this.input = input;
index = -1;
}
/**
* Gets the index at which the syntax error was found or {@code -1} if the
* index is unknown/unavailable.
*
* @return the index of the syntax error.
*/
public int getIndex() {
return index;
}
/**
* Gets a description of the syntax error.
*
* @return the string describing the syntax error.
*/
public String getReason() {
return super.getMessage();
}
/**
* Gets the initial string that contains an invalid syntax.
*
* @return the string that caused the exception.
*/
public String getInput() {
return input;
}
/**
* Gets a description of the exception, including the reason, the string
* that caused the syntax error and the position of the syntax error if
* available.
*
* @return a sting containing information about the exception.
* @see java.lang.Throwable#getMessage()
*/
@Override
public String getMessage() {
String reason = super.getMessage();
if (index != -1) {
return reason + " at index " + index + ": " + input;
}
return reason + ": " + input;
}
}