| Clover coverage report - DrJava Test Coverage (drjava-20120422-r5456) |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| NullFile.java | - | 100% | 100% | 100% |
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| 1 | /*BEGIN_COPYRIGHT_BLOCK | |
| 2 | * | |
| 3 | * Copyright (c) 2001-2010, JavaPLT group at Rice University (drjava@rice.edu) | |
| 4 | * All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions are met: | |
| 8 | * * Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * * Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the | |
| 14 | * names of its contributors may be used to endorse or promote products | |
| 15 | * derived from this software without specific prior written permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 20 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 21 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 22 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 23 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 24 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 25 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 26 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 28 | * | |
| 29 | * This software is Open Source Initiative approved Open Source Software. | |
| 30 | * Open Source Initative Approved is a trademark of the Open Source Initiative. | |
| 31 | * | |
| 32 | * This file is part of DrJava. Download the current version of this project | |
| 33 | * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ | |
| 34 | * | |
| 35 | * END_COPYRIGHT_BLOCK*/ | |
| 36 | ||
| 37 | package edu.rice.cs.util; | |
| 38 | import java.io.File; | |
| 39 | import java.io.Serializable; | |
| 40 | ||
| 41 | /** A null file. This class is NOT a singleton because we need multiple, distinct null files for untitled documents. | |
| 42 | * The equals method is overridden so that distinct NullFile objects (which all have the same path) are unequal. | |
| 43 | */ | |
| 44 | public class NullFile extends File implements Serializable { | |
| 45 | ||
| 46 | private static volatile int ct = 0; | |
| 47 | ||
| 48 | 423 | public NullFile() { |
| 49 | 423 | this("*NullFile<" + ct + ">"); |
| 50 | 423 | ct++; |
| 51 | } | |
| 52 | ||
| 53 | 423 | private NullFile(String lexiName) { |
| 54 | 423 | super(lexiName); |
| 55 | } | |
| 56 | ||
| 57 | /* The following two method hide the fact that the name field of this file has the form "*NullFile<ct>". They can | |
| 58 | * be commented out for debugging purposes. */ | |
| 59 | 940 | public String toString() { return "(Untitled)"; } |
| 60 | 4653 | public String getName() { return "(Untitled)"; } |
| 61 | ||
| 62 | 423 | public String getLexiName() { return ""; } |
| 63 | ||
| 64 | /** All distinct objects of type NullFile are unequal. */ | |
| 65 | 74 | public boolean equals(Object o) { return o == this; } |
| 66 | } |
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