Source Code Cross Referenced for FileSystemException.java in  » Library » Apache-commons-vfs-20070724-src » org » apache » commons » vfs » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache commons vfs 20070724 src » org.apache.commons.vfs 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


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:         */
017:        package org.apache.commons.vfs;
018:
019:        import org.apache.commons.vfs.util.Messages;
020:
021:        import java.io.IOException;
022:
023:        /**
024:         * Thrown for file system errors.
025:         *
026:         * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
027:         * @version $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $
028:         */
029:        public class FileSystemException extends IOException {
030:            /**
031:             * The Throwable that caused this exception to be thrown.
032:             */
033:            private final Throwable throwable;
034:
035:            /**
036:             * The message code.
037:             */
038:            private final String code;
039:
040:            /**
041:             * array of complementary info (context).
042:             */
043:            private final String[] info;
044:
045:            /**
046:             * Constructs exception with the specified detail message.
047:             *
048:             * @param code the error code of the message.
049:             */
050:            public FileSystemException(final String code) {
051:                this (code, null, null);
052:            }
053:
054:            /**
055:             * Constructs exception with the specified detail message.
056:             *
057:             * @param code  the error code of the message.
058:             * @param info0 one context information.
059:             */
060:            public FileSystemException(final String code, final Object info0) {
061:                this (code, new Object[] { info0 }, null);
062:            }
063:
064:            /**
065:             * Constructs exception with the specified detail message.
066:             *
067:             * @param code      the error code of the message.
068:             * @param info0     one context information.
069:             * @param throwable the cause.
070:             */
071:            public FileSystemException(final String code, final Object info0,
072:                    final Throwable throwable) {
073:                this (code, new Object[] { info0 }, throwable);
074:            }
075:
076:            /**
077:             * Constructs exception with the specified detail message.
078:             *
079:             * @param code the error code of the message.
080:             * @param info array of complementary info (context).
081:             */
082:            public FileSystemException(final String code, final Object[] info) {
083:                this (code, info, null);
084:            }
085:
086:            /**
087:             * Constructs exception with the specified detail message.
088:             *
089:             * @param code the error code of the message.
090:             * @param info array of complementary info (context).
091:             */
092:            public FileSystemException(final String code,
093:                    final Throwable throwable) {
094:                this (code, null, throwable);
095:            }
096:
097:            /**
098:             * Constructs exception with the specified detail message.
099:             *
100:             * @param code      the error code of the message.
101:             * @param info      array of complementary info (context).
102:             * @param throwable the cause.
103:             */
104:            public FileSystemException(final String code, final Object[] info,
105:                    final Throwable throwable) {
106:                super (code);
107:
108:                if (info == null) {
109:                    this .info = new String[0];
110:                } else {
111:                    this .info = new String[info.length];
112:                    for (int i = 0; i < info.length; i++) {
113:                        this .info[i] = String.valueOf(info[i]);
114:                    }
115:                }
116:                this .code = code;
117:                this .throwable = throwable;
118:            }
119:
120:            /**
121:             * retrieve message from bundle
122:             */
123:            public String getMessage() {
124:                return Messages.getString(super .getMessage(), getInfo());
125:            }
126:
127:            /**
128:             * Constructs wrapper exception.
129:             *
130:             * @param throwable the root cause to wrap.
131:             */
132:            public FileSystemException(final Throwable throwable) {
133:                this (throwable.getMessage(), null, throwable);
134:            }
135:
136:            /**
137:             * Retrieve root cause of the exception.
138:             *
139:             * @return the root cause
140:             */
141:            public final Throwable getCause() {
142:                return throwable;
143:            }
144:
145:            /**
146:             * Retrieve error code of the exception.
147:             * Could be used as key for internationalization.
148:             *
149:             * @return the code.
150:             */
151:            public String getCode() {
152:                return code;
153:            }
154:
155:            /**
156:             * Retrieve array of complementary info (context).
157:             * Could be used as parameter for internationalization.
158:             *
159:             * @return the context info.
160:             */
161:            public String[] getInfo() {
162:                return info;
163:            }
164:        }
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