001 // Protocol Buffers - Google's data interchange format 002 // Copyright 2008 Google Inc. 003 // http://code.google.com/p/protobuf/ 004 // 005 // Licensed under the Apache License, Version 2.0 (the "License"); 006 // you may not use this file except in compliance with the License. 007 // You may obtain a copy of the License at 008 // 009 // http://www.apache.org/licenses/LICENSE-2.0 010 // 011 // Unless required by applicable law or agreed to in writing, software 012 // distributed under the License is distributed on an "AS IS" BASIS, 013 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 // See the License for the specific language governing permissions and 015 // limitations under the License. 016 017 package org.fusesource.hawtbuf.proto; 018 019 import java.io.IOException; 020 021 /** 022 * Thrown when a protocol message being parsed is invalid in some way, e.g. it 023 * contains a malformed varint or a negative byte length. 024 * 025 * @author kenton@google.com Kenton Varda 026 */ 027 public class InvalidProtocolBufferException extends IOException { 028 private static final long serialVersionUID = 5685337441004132240L; 029 030 public InvalidProtocolBufferException(String description) { 031 super(description); 032 } 033 034 static InvalidProtocolBufferException truncatedMessage() { 035 return new InvalidProtocolBufferException("While parsing a protocol message, the input ended unexpectedly " + "in the middle of a field. This could mean either than the " + "input has been truncated or that an embedded message " 036 + "misreported its own length."); 037 } 038 039 static InvalidProtocolBufferException negativeSize() { 040 return new InvalidProtocolBufferException("CodedInputStream encountered an embedded string or message " + "which claimed to have negative size."); 041 } 042 043 static InvalidProtocolBufferException malformedVarint() { 044 return new InvalidProtocolBufferException("CodedInputStream encountered a malformed varint."); 045 } 046 047 static InvalidProtocolBufferException invalidTag() { 048 return new InvalidProtocolBufferException("Protocol message contained an invalid tag (zero)."); 049 } 050 051 static InvalidProtocolBufferException invalidEndTag() { 052 return new InvalidProtocolBufferException("Protocol message end-group tag did not match expected tag."); 053 } 054 055 static InvalidProtocolBufferException invalidWireType() { 056 return new InvalidProtocolBufferException("Protocol message tag had invalid wire type."); 057 } 058 059 static InvalidProtocolBufferException recursionLimitExceeded() { 060 return new InvalidProtocolBufferException("Protocol message had too many levels of nesting. May be malicious. " + "Use CodedInputStream.setRecursionLimit() to increase the depth limit."); 061 } 062 063 static InvalidProtocolBufferException sizeLimitExceeded() { 064 return new InvalidProtocolBufferException("Protocol message was too large. May be malicious. " + "Use CodedInputStream.setSizeLimit() to increase the size limit."); 065 } 066 }