001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. 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 */ 017package org.apache.commons.imaging; 018 019import java.io.IOException; 020 021/** 022 * The root class for implementing custom exceptions in the Apache Commons Imaging component. 023 */ 024public class ImagingException extends IOException { 025 026 private static final long serialVersionUID = -1L; 027 028 static String getType(final Object value) { 029 if (value == null) { 030 return "null"; 031 } 032 if (value instanceof Object[]) { 033 return "[Object[]: " + ((Object[]) value).length + "]"; 034 } 035 if (value instanceof char[]) { 036 return "[char[]: " + ((char[]) value).length + "]"; 037 } 038 if (value instanceof byte[]) { 039 return "[byte[]: " + ((byte[]) value).length + "]"; 040 } 041 if (value instanceof short[]) { 042 return "[short[]: " + ((short[]) value).length + "]"; 043 } 044 if (value instanceof int[]) { 045 return "[int[]: " + ((int[]) value).length + "]"; 046 } 047 if (value instanceof long[]) { 048 return "[long[]: " + ((long[]) value).length + "]"; 049 } 050 if (value instanceof float[]) { 051 return "[float[]: " + ((float[]) value).length + "]"; 052 } 053 if (value instanceof double[]) { 054 return "[double[]: " + ((double[]) value).length + "]"; 055 } 056 if (value instanceof boolean[]) { 057 return "[boolean[]: " + ((boolean[]) value).length + "]"; 058 } 059 return value.getClass().getName(); 060 } 061 062 /** 063 * Constructs a new exception with the specified detail message. The cause is not initialized, and may subsequently be initialized by a call to 064 * {@link #initCause}. 065 * 066 * @param message the detail message. The detail message is saved for later retrieval by the {@link #getMessage()} method. 067 */ 068 public ImagingException(final String message) { 069 super(message); 070 } 071 072 /** 073 * Constructs a new exception with the specified detail message and cause. 074 * <p> 075 * Note that the detail message associated with {@code cause} is <em>not</em> automatically incorporated in this exception's detail message. 076 * </p> 077 * 078 * @param message the detail message (which is saved for later retrieval by the {@link #getMessage()} method). 079 * @param data data typed to build the message. 080 */ 081 public ImagingException(final String message, final Object data) { 082 super(message + ": " + data + " (" + getType(data) + ")"); 083 } 084 085 /** 086 * Constructs a new exception with the specified detail message and cause. 087 * <p> 088 * Note that the detail message associated with {@code cause} is <em>not</em> automatically incorporated in this exception's detail message. 089 * </p> 090 * 091 * @param message the detail message (which is saved for later retrieval by the {@link #getMessage()} method). 092 * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method). (A {@code null} value is permitted, and indicates that 093 * the cause is nonexistent or unknown.) 094 */ 095 public ImagingException(final String message, final Throwable cause) { 096 super(message, cause); 097 } 098 099 /** 100 * Constructs a new exception. 101 * 102 * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method). (A {@code null} value is permitted, and indicates that the 103 * cause is nonexistent or unknown.) 104 */ 105 public ImagingException(final Throwable cause) { 106 super(cause); 107 } 108}