Classes in this Package | Line Coverage | Branch Coverage | Complexity | ||||||||
File |
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| 2.0;2 |
1 | /** |
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2 | * Redistribution and use in source and binary forms, with or without |
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3 | * modification, are permitted provided that the following conditions are |
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4 | * met : |
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5 | * |
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6 | * . Redistributions of source code must retain the above copyright |
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7 | * notice, this list of conditions and the following disclaimer. |
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8 | * |
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9 | * . Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * |
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13 | * . The name of the author may not be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
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20 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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22 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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24 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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25 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * $Id: File.java 376 2005-12-29 03:14:44Z mat007 $ |
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29 | */ |
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30 | ||
31 | package palmed.file; |
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32 | ||
33 | import java.io.IOException; |
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34 | import java.io.InputStream; |
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35 | import java.io.OutputStream; |
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36 | import javax.microedition.io.Connector; |
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37 | import javax.microedition.io.InputConnection; |
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38 | import javax.microedition.io.file.FileConnection; |
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39 | ||
40 | /** |
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41 | * This class represents a file on the file system. |
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42 | * |
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43 | * @author Mathieu Champlon |
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44 | * @version $Revision: 376 $ $Date: 2005-12-29 12:14:44 +0900 (jeu., 29 déc. 2005) $ |
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45 | */ |
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46 | public final class File implements IFile |
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47 | { |
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48 | /** |
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49 | * The prefix for file connection descriptors. |
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50 | */ |
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51 | private static final String PREFIX = "file:///"; |
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52 | /** |
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53 | * The file path. |
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54 | */ |
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55 | private final String path_; |
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56 | ||
57 | /** |
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58 | * Create a file. |
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59 | * |
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60 | * @param path the absolute file path. |
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61 | */ |
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62 | public File( final String path ) |
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63 | 0 | { |
64 | 0 | if( path == null ) |
65 | 0 | throw new IllegalArgumentException( "parameter 'path' is null" ); |
66 | 0 | path_ = path; |
67 | 0 | } |
68 | ||
69 | /** |
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70 | * {@inheritDoc} |
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71 | */ |
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72 | public InputStream openInputStream() throws IOException |
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73 | { |
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74 | 0 | final InputConnection connection = (InputConnection)Connector.open( PREFIX + path_, Connector.READ ); |
75 | 0 | final InputStream stream = connection.openInputStream(); |
76 | 0 | connection.close(); |
77 | 0 | return stream; |
78 | } |
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79 | ||
80 | /** |
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81 | * {@inheritDoc} |
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82 | */ |
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83 | public OutputStream openOutputStream() throws IOException |
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84 | { |
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85 | 0 | final FileConnection connection = (FileConnection)Connector.open( PREFIX + path_ ); |
86 | 0 | if( !connection.exists() ) |
87 | 0 | connection.create(); |
88 | 0 | final OutputStream stream = connection.openOutputStream(); |
89 | 0 | connection.close(); |
90 | 0 | return stream; |
91 | } |
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92 | ||
93 | /** |
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94 | * {@inheritDoc} |
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95 | */ |
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96 | public String toString() |
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97 | { |
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98 | 0 | return path_; |
99 | } |
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100 | ||
101 | /** |
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102 | * {@inheritDoc} |
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103 | */ |
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104 | public boolean equals( final Object object ) |
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105 | { |
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106 | 0 | if( object instanceof File ) |
107 | 0 | return path_.equals( ((File)object).path_ ); |
108 | 0 | return false; |
109 | } |
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110 | ||
111 | /** |
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112 | * {@inheritDoc} |
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113 | */ |
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114 | public int hashCode() |
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115 | { |
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116 | 0 | return path_.hashCode(); |
117 | } |
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118 | ||
119 | /** |
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120 | * {@inheritDoc} |
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121 | */ |
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122 | public boolean exists() |
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123 | { |
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124 | try |
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125 | { |
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126 | 0 | final FileConnection connection = (FileConnection)Connector.open( PREFIX + path_, Connector.READ ); |
127 | 0 | final boolean exists = connection.exists(); |
128 | 0 | connection.close(); |
129 | 0 | return exists; |
130 | } |
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131 | 0 | catch( IOException e ) |
132 | { |
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133 | 0 | return false; |
134 | } |
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135 | } |
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136 | } |