1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.core5.http; 29 30 /** 31 * Signals a protocol exception due to failure to parse a message element. 32 * 33 * @since 4.0 34 */ 35 public class ParseException extends ProtocolException { 36 37 private static final long serialVersionUID = -7288819855864183578L; 38 39 private final int errorOffset; 40 41 /** 42 * Creates a {@link ParseException} without details. 43 */ 44 public ParseException() { 45 super(); 46 this.errorOffset = -1; 47 } 48 49 /** 50 * Creates a {@link ParseException} with a detail message. 51 * 52 * @param message the exception detail message, or {@code null} 53 */ 54 public ParseException(final String message) { 55 super(message); 56 this.errorOffset = -1; 57 } 58 59 /** 60 * Creates a {@link ParseException} with parsing context details. 61 * 62 * @since 5.0 63 */ 64 public ParseException(final String description, final CharSequence text, final int off, final int len, final int errorOffset) { 65 super(description + 66 (errorOffset >= 0 ? "; error at offset " + errorOffset : "") + 67 (text != null && len < 1024 ? ": <" + text.subSequence(off, off + len) + ">" : "")); 68 this.errorOffset = errorOffset; 69 } 70 71 /** 72 * Creates a {@link ParseException} with parsing context details. 73 * 74 * @since 5.0 75 */ 76 public ParseException(final String description, final CharSequence text, final int off, final int len) { 77 this(description, text, off, len, -1); 78 } 79 80 /** 81 * @since 5.0 82 */ 83 public int getErrorOffset() { 84 return errorOffset; 85 } 86 87 }