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1
26
27 package it.stefanochizzolini.clown.bytes;
28
29 import java.io.RandomAccessFile  ;
30 import java.io.EOFException ;
31 import java.io.IOException ;
32
33
36 public final class FileInputStream
37 implements IInputStream
38 {
39 private RandomAccessFile file;
43
45 public FileInputStream(
47 RandomAccessFile file
48 )
49 {
50 this.file = file;
51 }
52
54 public long getLength(
58 )
59 {
60 try
61 {return file.length();}
62 catch(IOException e)
63 {throw new RuntimeException (e);}
64 }
65
66 public long getPosition(
67 )
68 {
69 try
70 {return file.getFilePointer();}
71 catch(IOException e)
72 {throw new RuntimeException (e);}
73 }
74
75 public int hashCode(
76 )
77 {return file.hashCode();}
78
79 public void read(
80 byte[] data
81 )
82 throws EOFException
83 {
84 try
85 {file.readFully(data);}
86 catch(EOFException e)
87 {throw e;}
88 catch(IOException e)
89 {throw new RuntimeException (e);}
90 }
91
92 public void read(
93 byte[] data,
94 int offset,
95 int length
96 )
97 throws EOFException
98 {
99 try
100 {file.readFully(data,offset,length);}
101 catch(EOFException e)
102 {throw e;}
103 catch(IOException e)
104 {throw new RuntimeException (e);}
105 }
106
107 public byte readByte(
108 )
109 throws EOFException
110 {
111 try
112 {return file.readByte();}
113 catch(EOFException e)
114 {throw e;}
115 catch(IOException e)
116 {throw new RuntimeException (e);}
117 }
118
119 public int readInt(
120 )
121 throws EOFException
122 {
123 try
124 {return file.readInt();}
125 catch(EOFException e)
126 {throw e;}
127 catch(IOException e)
128 {throw new RuntimeException (e);}
129 }
130
131 public String readLine(
132 )
133 throws EOFException
134 {
135 try
136 {return file.readLine();}
137 catch(EOFException e)
138 {throw e;}
139 catch(IOException e)
140 {throw new RuntimeException (e);}
141 }
142
143 public short readShort(
144 )
145 throws EOFException
146 {
147 try
148 {return file.readShort();}
149 catch(EOFException e)
150 {throw e;}
151 catch(IOException e)
152 {throw new RuntimeException (e);}
153 }
154
155 public String readString(
156 int length
157 )
158 throws EOFException
159 {
160 byte[] data = new byte[length];
161 try
162 {
163 file.readFully(data);
164
165 return new String (data,"ISO-8859-1");
166 }
167 catch(EOFException e)
168 {throw e;}
169 catch(Exception e)
170 {throw new RuntimeException (e);}
171 }
172
173 public int readUnsignedByte(
174 )
175 throws EOFException
176 {
177 try
178 {return file.readUnsignedByte();}
179 catch(EOFException e)
180 {throw e;}
181 catch(IOException e)
182 {throw new RuntimeException (e);}
183 }
184
185 public int readUnsignedShort(
186 )
187 throws EOFException
188 {
189 try
190 {return file.readUnsignedShort();}
191 catch(EOFException e)
192 {throw e;}
193 catch(IOException e)
194 {throw new RuntimeException (e);}
195 }
196
197 public void seek(
198 long offset
199 )
200 {
201 try
202 {file.seek(offset);}
203 catch(IOException e)
204 {throw new RuntimeException (e);}
205 }
206
207 public void setPosition(
208 long value
209 )
210 {
211 try
212 {file.seek(value);}
213 catch(IOException e)
214 {throw new RuntimeException (e);}
215 }
216
217 public void skip(
218 long offset
219 )
220 {
221 try
222 {file.seek(file.getFilePointer() + offset);}
223 catch(IOException e)
224 {throw new RuntimeException (e);}
225 }
226
227 public byte[] toByteArray(
228 )
229 {
230 byte[] data = null;
231 try
232 {
233 file.seek(0);
234 data = new byte[(int)file.length()];
235 file.readFully(data);
236 }
237 catch(IOException e)
238 {throw new RuntimeException (e);}
239
240 return data;
241 }
242 } |
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