Make small improvements to exceptions
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@ -31,6 +31,13 @@ package com.github.zafarkhaja.semver;
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*/
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public class ParseException extends RuntimeException {
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/**
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* Constructs a {@code ParseException} instance with no error message.
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*/
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public ParseException() {
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super();
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}
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/**
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* Constructs a {@code ParseException} instance with an error message.
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*
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@ -41,9 +48,30 @@ public class ParseException extends RuntimeException {
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}
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/**
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* Constructs a {@code ParseException} instance with no error message.
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* Constructs a {@code ParseException} instance with an error message
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* and the cause exception.
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*
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* @param message the error message
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* @param cause an exception that caused this exception
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*/
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public ParseException() {
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public ParseException(String message, UnexpectedCharacterException cause) {
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super(message);
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initCause(cause);
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}
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/**
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* Returns the string representation of this exception.
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*
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* @return the string representation of this exception
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*/
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@Override
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public String toString() {
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Throwable cause = getCause();
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String msg = getMessage();
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if (msg != null) {
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msg += ((cause != null) ? " (" + cause.toString() + ")" : "");
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return msg;
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}
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return ((cause != null) ? cause.toString() : "");
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}
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}
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@ -66,7 +66,10 @@ public class UnexpectedTokenException extends ParseException {
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*/
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@Override
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public String toString() {
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String message = String.format("Unexpected token '%s'", unexpected);
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String message = String.format(
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"Unexpected token '%s'",
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unexpected
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);
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if (expected.length > 0) {
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message += String.format(
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", expecting '%s'",
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@ -84,7 +84,10 @@ public class UnexpectedElementException extends RuntimeException {
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*/
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@Override
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public String toString() {
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String message = String.format("Unexpected element '%s'", unexpected);
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String message = String.format(
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"Unexpected element '%s'",
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unexpected
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);
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if (expected.length > 0) {
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message += String.format(
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", expecting '%s'",
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