| /* |
| * Copyright (c) 2007, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.nio.file; |
| |
| import java.io.IOException; |
| |
| /** |
| * Thrown when a file system operation fails on one or two files. This class is |
| * the general class for file system exceptions. |
| * |
| * @since 1.7 |
| */ |
| |
| public class FileSystemException |
| extends IOException |
| { |
| static final long serialVersionUID = -3055425747967319812L; |
| |
| private final String file; |
| private final String other; |
| |
| /** |
| * Constructs an instance of this class. This constructor should be used |
| * when an operation involving one file fails and there isn't any additional |
| * information to explain the reason. |
| * |
| * @param file |
| * a string identifying the file or {@code null} if not known. |
| */ |
| public FileSystemException(String file) { |
| super((String)null); |
| this.file = file; |
| this.other = null; |
| } |
| |
| /** |
| * Constructs an instance of this class. This constructor should be used |
| * when an operation involving two files fails, or there is additional |
| * information to explain the reason. |
| * |
| * @param file |
| * a string identifying the file or {@code null} if not known. |
| * @param other |
| * a string identifying the other file or {@code null} if there |
| * isn't another file or if not known |
| * @param reason |
| * a reason message with additional information or {@code null} |
| */ |
| public FileSystemException(String file, String other, String reason) { |
| super(reason); |
| this.file = file; |
| this.other = other; |
| } |
| |
| /** |
| * Returns the file used to create this exception. |
| * |
| * @return the file (can be {@code null}) |
| */ |
| public String getFile() { |
| return file; |
| } |
| |
| /** |
| * Returns the other file used to create this exception. |
| * |
| * @return the other file (can be {@code null}) |
| */ |
| public String getOtherFile() { |
| return other; |
| } |
| |
| /** |
| * Returns the string explaining why the file system operation failed. |
| * |
| * @return the string explaining why the file system operation failed |
| */ |
| public String getReason() { |
| return super.getMessage(); |
| } |
| |
| /** |
| * Returns the detail message string. |
| */ |
| @Override |
| public String getMessage() { |
| if (file == null && other == null) |
| return getReason(); |
| StringBuilder sb = new StringBuilder(); |
| if (file != null) |
| sb.append(file); |
| if (other != null) { |
| sb.append(" -> "); |
| sb.append(other); |
| } |
| if (getReason() != null) { |
| sb.append(": "); |
| sb.append(getReason()); |
| } |
| return sb.toString(); |
| } |
| } |