Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/util/DevNullPrintStream.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18
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19 package gov.nasa.jpf.util;
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20
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21 import java.io.PrintStream;
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22 import java.io.ByteArrayOutputStream;
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23 import java.util.Locale;
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24
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25 /**
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26 * a PrintStream that doesn't print anything
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27 */
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28 public class DevNullPrintStream extends PrintStream {
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29
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30 public DevNullPrintStream(){
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31 super( new ByteArrayOutputStream());
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32 }
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33
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34 @Override
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35 public void flush(){}
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36 @Override
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37 public void close(){}
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38 @Override
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39 public boolean checkError(){
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40 return false;
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41 }
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42 @Override
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43 protected void setError(){}
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44 @Override
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45 protected void clearError(){}
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46
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47 @Override
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48 public void write(int a){}
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49 @Override
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50 public void write(byte[] a, int b, int c){}
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51 @Override
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52 public void print(boolean a){}
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53 @Override
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54 public void print(char a){}
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55 @Override
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56 public void print(int a){}
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57 @Override
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58 public void print(long a){}
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59 @Override
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60 public void print(float a){}
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61 @Override
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62 public void print(double a){}
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63 @Override
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64 public void print(char[] a){}
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65 @Override
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66 public void print(String a){}
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67 @Override
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68 public void print(Object a){}
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69 @Override
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70 public void println(){}
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71 @Override
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72 public void println(boolean a){}
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73 @Override
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74 public void println(char a){}
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75 @Override
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76 public void println(int a){}
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77 @Override
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78 public void println(long a){}
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79 @Override
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80 public void println(float a){}
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81 @Override
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82 public void println(double a){}
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83 @Override
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84 public void println(char[] a){}
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85 @Override
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86 public void println(String a){}
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87 @Override
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88 public void println(Object a){}
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89
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90 @Override
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91 public PrintStream printf(String a, Object... b){ return this; }
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92 @Override
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93 public PrintStream printf(Locale a, String b, Object... c){ return this; }
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94 @Override
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95 public PrintStream format(String a, Object... b){ return this; }
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96 @Override
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97 public PrintStream format(Locale a, String b, Object... c){ return this; }
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98 @Override
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99 public PrintStream append(CharSequence a){ return this; }
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100 @Override
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101 public PrintStream append(CharSequence a, int b, int c){ return this; }
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102 @Override
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103 public PrintStream append(char a){ return this; }
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104
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105 }