Mercurial Hosting > luan
annotate core/src/luan/modules/IoLuan.java @ 728:11839152caef
remove stripe
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Fri, 10 Jun 2016 14:58:46 -0600 |
parents | a741a3a33423 |
children | e44e98fe9de8 |
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1 package luan.modules; |
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2 |
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3 import java.io.InputStream; |
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4 import java.io.OutputStream; |
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5 import java.io.PrintStream; |
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6 import java.io.Reader; |
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7 import java.io.Writer; |
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8 import java.io.StringReader; |
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9 import java.io.BufferedReader; |
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10 import java.io.BufferedWriter; |
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11 import java.io.BufferedInputStream; |
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12 import java.io.BufferedOutputStream; |
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13 import java.io.File; |
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14 import java.io.FileInputStream; |
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15 import java.io.FileOutputStream; |
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16 import java.io.InputStreamReader; |
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17 import java.io.OutputStreamWriter; |
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18 import java.io.ByteArrayInputStream; |
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19 import java.io.DataInputStream; |
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20 import java.io.DataOutputStream; |
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21 import java.io.StringWriter; |
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22 import java.io.IOException; |
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23 import java.io.FileNotFoundException; |
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24 import java.net.URL; |
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25 import java.net.Socket; |
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26 import java.net.ServerSocket; |
701 | 27 import java.net.InetAddress; |
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28 import java.net.MalformedURLException; |
701 | 29 import java.net.UnknownHostException; |
706 | 30 import java.util.Map; |
31 import java.util.zip.ZipOutputStream; | |
32 import java.util.zip.ZipEntry; | |
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33 import luan.Luan; |
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34 import luan.LuanState; |
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35 import luan.LuanTable; |
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36 import luan.LuanFunction; |
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37 import luan.LuanJavaFunction; |
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38 import luan.LuanException; |
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39 import luan.modules.url.LuanUrl; |
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40 |
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41 |
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42 public final class IoLuan { |
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43 |
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44 private static void add(LuanTable t,String method,Class... parameterTypes) throws NoSuchMethodException { |
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45 t.rawPut( method, new LuanJavaFunction(IoLuan.class.getMethod(method,parameterTypes),null) ); |
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46 } |
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47 |
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48 public static String read_console_line(String prompt) throws IOException { |
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49 if( prompt==null ) |
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50 prompt = "> "; |
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51 return System.console().readLine(prompt); |
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52 } |
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53 |
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54 |
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55 public interface LuanWriter { |
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56 public void write(LuanState luan,Object... args) throws LuanException, IOException; |
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57 public void close() throws IOException; |
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58 } |
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59 |
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60 public static LuanTable textWriter(final PrintStream out) { |
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61 LuanWriter luanWriter = new LuanWriter() { |
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62 |
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63 public void write(LuanState luan,Object... args) throws LuanException { |
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64 for( Object obj : args ) { |
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65 out.print( luan.toString(obj) ); |
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66 } |
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67 } |
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68 |
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69 public void close() { |
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70 out.close(); |
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71 } |
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72 }; |
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73 return writer(luanWriter); |
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74 } |
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75 |
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76 public static LuanTable textWriter(final Writer out) { |
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77 LuanWriter luanWriter = new LuanWriter() { |
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78 |
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79 public void write(LuanState luan,Object... args) throws LuanException, IOException { |
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80 for( Object obj : args ) { |
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81 out.write( luan.toString(obj) ); |
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82 } |
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83 } |
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84 |
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85 public void close() throws IOException { |
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86 out.close(); |
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87 } |
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88 }; |
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89 return writer(luanWriter); |
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90 } |
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91 |
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92 private static LuanTable writer(LuanWriter luanWriter) { |
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93 LuanTable writer = new LuanTable(); |
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94 try { |
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95 writer.rawPut( "write", new LuanJavaFunction( |
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96 LuanWriter.class.getMethod( "write", LuanState.class, new Object[0].getClass() ), luanWriter |
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97 ) ); |
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98 writer.rawPut( "close", new LuanJavaFunction( |
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99 LuanWriter.class.getMethod( "close" ), luanWriter |
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100 ) ); |
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101 } catch(NoSuchMethodException e) { |
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102 throw new RuntimeException(e); |
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103 } |
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104 return writer; |
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105 } |
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106 |
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107 |
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108 public static LuanTable binaryWriter(final OutputStream out) { |
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109 LuanTable writer = new LuanTable(); |
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110 try { |
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111 writer.rawPut( "write", new LuanJavaFunction( |
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112 OutputStream.class.getMethod( "write", new byte[0].getClass() ), out |
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113 ) ); |
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114 writer.rawPut( "close", new LuanJavaFunction( |
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115 OutputStream.class.getMethod( "close" ), out |
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116 ) ); |
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117 } catch(NoSuchMethodException e) { |
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118 throw new RuntimeException(e); |
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119 } |
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120 return writer; |
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121 } |
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122 |
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123 static LuanFunction lines(final BufferedReader in) { |
115
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124 return new LuanFunction() { |
116
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125 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
115
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126 try { |
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127 if( args.length > 0 ) { |
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128 if( args.length > 1 || !"close".equals(args[0]) ) |
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129 throw new LuanException( "the only argument allowed is 'close'" ); |
115
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130 in.close(); |
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131 return null; |
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132 } |
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133 String rtn = in.readLine(); |
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134 if( rtn==null ) |
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135 in.close(); |
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136 return rtn; |
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137 } catch(IOException e) { |
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138 throw new LuanException(e); |
115
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139 } |
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140 } |
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141 }; |
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142 } |
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143 |
116
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144 static LuanFunction blocks(final InputStream in,final int blockSize) { |
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145 return new LuanFunction() { |
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146 final byte[] a = new byte[blockSize]; |
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147 |
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148 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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149 try { |
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150 if( args.length > 0 ) { |
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151 if( args.length > 1 || !"close".equals(args[0]) ) |
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152 throw new LuanException( "the only argument allowed is 'close'" ); |
116
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153 in.close(); |
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154 return null; |
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155 } |
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156 if( in.read(a) == -1 ) { |
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157 in.close(); |
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158 return null; |
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159 } |
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160 return a; |
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161 } catch(IOException e) { |
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162 throw new LuanException(e); |
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163 } |
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164 } |
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165 }; |
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166 } |
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167 |
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168 |
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169 |
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170 public static abstract class LuanIn { |
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171 public abstract InputStream inputStream() throws IOException, LuanException; |
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172 public abstract String to_string(); |
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174 |
722 | 175 public Reader reader() throws IOException, LuanException { |
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176 return new InputStreamReader(inputStream()); |
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177 } |
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178 |
722 | 179 public String read_text() throws IOException, LuanException { |
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180 Reader in = reader(); |
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181 String s = Utils.readAll(in); |
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182 in.close(); |
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183 return s; |
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184 } |
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185 |
722 | 186 public byte[] read_binary() throws IOException, LuanException { |
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187 InputStream in = inputStream(); |
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188 byte[] a = Utils.readAll(in); |
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189 in.close(); |
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190 return a; |
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191 } |
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192 |
722 | 193 public LuanFunction read_lines() throws IOException, LuanException { |
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194 return lines(new BufferedReader(reader())); |
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195 } |
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196 |
722 | 197 public LuanFunction read_blocks(Integer blockSize) throws IOException, LuanException { |
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198 int n = blockSize!=null ? blockSize : Utils.bufSize; |
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199 return blocks(inputStream(),n); |
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200 } |
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201 |
722 | 202 public boolean exists() throws IOException, LuanException { |
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203 try { |
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204 inputStream().close(); |
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205 return true; |
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206 } catch(FileNotFoundException e) { |
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207 return false; |
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208 } |
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209 } |
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210 |
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211 public LuanTable table() { |
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212 LuanTable tbl = new LuanTable(); |
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213 try { |
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214 tbl.rawPut( "java", this ); |
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215 tbl.rawPut( "to_string", new LuanJavaFunction( |
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216 LuanIn.class.getMethod( "to_string" ), this |
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217 ) ); |
705 | 218 tbl.rawPut( "to_uri_string", new LuanJavaFunction( |
219 LuanIn.class.getMethod( "to_uri_string" ), this | |
220 ) ); | |
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221 tbl.rawPut( "read_text", new LuanJavaFunction( |
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222 LuanIn.class.getMethod( "read_text" ), this |
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223 ) ); |
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224 tbl.rawPut( "read_binary", new LuanJavaFunction( |
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225 LuanIn.class.getMethod( "read_binary" ), this |
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226 ) ); |
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227 tbl.rawPut( "read_lines", new LuanJavaFunction( |
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228 LuanIn.class.getMethod( "read_lines" ), this |
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229 ) ); |
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230 tbl.rawPut( "read_blocks", new LuanJavaFunction( |
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231 LuanIn.class.getMethod( "read_blocks", Integer.class ), this |
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232 ) ); |
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233 tbl.rawPut( "exists", new LuanJavaFunction( |
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234 LuanIn.class.getMethod( "exists" ), this |
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235 ) ); |
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236 } catch(NoSuchMethodException e) { |
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237 throw new RuntimeException(e); |
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238 } |
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239 return tbl; |
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240 } |
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241 } |
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242 |
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243 public static final LuanIn defaultStdin = new LuanIn() { |
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244 |
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245 @Override public InputStream inputStream() { |
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246 return System.in; |
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247 } |
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248 |
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249 @Override public String to_string() { |
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250 return "<stdin>"; |
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251 } |
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252 |
705 | 253 @Override public String to_uri_string() { |
254 return "stdin:"; | |
255 } | |
256 | |
261
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257 @Override public String read_text() throws IOException { |
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258 return Utils.readAll(new InputStreamReader(System.in)); |
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259 } |
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260 |
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261 @Override public byte[] read_binary() throws IOException { |
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262 return Utils.readAll(System.in); |
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263 } |
265
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264 |
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265 @Override public boolean exists() { |
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266 return true; |
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267 } |
261
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268 }; |
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269 |
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270 public static abstract class LuanIO extends LuanIn { |
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271 abstract OutputStream outputStream() throws IOException; |
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272 |
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273 public void write(Object obj) throws LuanException, IOException { |
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274 if( obj instanceof String ) { |
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275 String s = (String)obj; |
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276 Writer out = new OutputStreamWriter(outputStream()); |
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277 out.write(s); |
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278 out.close(); |
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279 return; |
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280 } |
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281 if( obj instanceof byte[] ) { |
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282 byte[] a = (byte[])obj; |
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283 OutputStream out = outputStream(); |
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284 Utils.copyAll(new ByteArrayInputStream(a),out); |
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285 out.close(); |
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286 return; |
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287 } |
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288 throw new LuanException( "bad argument #1 to 'write' (string or binary expected)" ); |
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289 } |
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290 |
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291 public LuanTable text_writer() throws IOException { |
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292 return textWriter(new BufferedWriter(new OutputStreamWriter(outputStream()))); |
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293 } |
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294 |
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295 public LuanTable binary_writer() throws IOException { |
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296 return binaryWriter(new BufferedOutputStream(outputStream())); |
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297 } |
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298 |
297
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299 @Override public LuanTable table() { |
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300 LuanTable tbl = super.table(); |
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301 try { |
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302 tbl.rawPut( "write", new LuanJavaFunction( |
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303 LuanIO.class.getMethod( "write", Object.class ), this |
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304 ) ); |
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305 tbl.rawPut( "text_writer", new LuanJavaFunction( |
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306 LuanIO.class.getMethod( "text_writer" ), this |
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307 ) ); |
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308 tbl.rawPut( "binary_writer", new LuanJavaFunction( |
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309 LuanIO.class.getMethod( "binary_writer" ), this |
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310 ) ); |
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311 } catch(NoSuchMethodException e) { |
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312 throw new RuntimeException(e); |
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313 } |
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314 return tbl; |
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315 } |
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316 } |
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317 |
590 | 318 private static final LuanIO nullIO = new LuanIO() { |
319 private final InputStream in = new InputStream() { | |
320 @Override public int read() { | |
321 return -1; | |
322 } | |
323 }; | |
324 private final OutputStream out = new OutputStream() { | |
325 @Override public void write(int b) {} | |
326 }; | |
327 | |
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328 @Override public InputStream inputStream() { |
590 | 329 return in; |
330 } | |
331 | |
332 @Override OutputStream outputStream() { | |
333 return out; | |
334 } | |
335 | |
336 @Override public String to_string() { | |
337 return "<null>"; | |
338 } | |
339 | |
705 | 340 @Override public String to_uri_string() { |
341 return "null:"; | |
342 } | |
343 | |
590 | 344 }; |
345 | |
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346 public static final class LuanString extends LuanIO { |
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347 private String s; |
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348 |
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349 private LuanString(String s) { |
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350 this.s = s; |
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351 } |
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352 |
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353 @Override public InputStream inputStream() { |
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354 throw new UnsupportedOperationException(); |
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355 } |
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356 |
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357 @Override OutputStream outputStream() { |
314
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358 throw new UnsupportedOperationException(); |
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359 } |
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360 |
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361 @Override public String to_string() { |
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362 return "<string>"; |
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363 } |
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364 |
705 | 365 @Override public String to_uri_string() { |
366 return "string:" + s; | |
367 } | |
368 | |
314
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369 @Override public Reader reader() { |
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370 return new StringReader(s); |
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371 } |
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372 |
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373 @Override public String read_text() { |
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374 return s; |
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375 } |
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376 |
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377 @Override public boolean exists() { |
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378 return true; |
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379 } |
421
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380 |
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381 @Override public LuanTable text_writer() throws IOException { |
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382 LuanWriter luanWriter = new LuanWriter() { |
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383 private final Writer out = new StringWriter(); |
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384 |
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385 public void write(LuanState luan,Object... args) throws LuanException, IOException { |
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386 for( Object obj : args ) { |
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387 out.write( luan.toString(obj) ); |
421
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388 } |
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389 } |
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390 |
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391 public void close() throws IOException { |
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392 s = out.toString(); |
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393 } |
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394 }; |
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395 return writer(luanWriter); |
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396 } |
314
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397 } |
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398 |
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399 public static final class LuanFile extends LuanIO { |
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400 public final File file; |
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401 |
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402 private LuanFile(LuanState luan,File file) throws LuanException { |
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403 this(file); |
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404 check(luan,"file:"+file.toString()); |
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405 } |
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406 |
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407 private LuanFile(File file) { |
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408 this.file = file; |
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409 } |
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410 |
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411 @Override public InputStream inputStream() throws IOException { |
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412 return new FileInputStream(file); |
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413 } |
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414 |
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415 @Override OutputStream outputStream() throws IOException { |
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416 return new FileOutputStream(file); |
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417 } |
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418 |
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419 @Override public String to_string() { |
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420 return file.toString(); |
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421 } |
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422 |
705 | 423 @Override public String to_uri_string() { |
424 return "file:" + file.toString(); | |
425 } | |
426 | |
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427 public LuanTable child(LuanState luan,String name) throws LuanException { |
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428 return new LuanFile(luan,new File(file,name)).table(); |
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429 } |
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430 |
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431 public LuanTable children(LuanState luan) throws LuanException { |
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432 File[] files = file.listFiles(); |
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433 if( files==null ) |
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434 return null; |
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435 LuanTable list = new LuanTable(); |
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436 for( File f : files ) { |
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437 list.rawPut(list.rawLength()+1,new LuanFile(luan,f).table()); |
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438 } |
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439 return list; |
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440 } |
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441 |
323
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442 public LuanTable parent(LuanState luan) throws LuanException, IOException { |
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443 File parent = file.getParentFile(); |
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444 if( parent==null ) |
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445 parent = file.getCanonicalFile().getParentFile(); |
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446 return new LuanFile(luan,parent).table(); |
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447 } |
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448 |
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449 @Override public boolean exists() { |
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450 return file.exists(); |
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451 } |
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452 |
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453 public boolean rename_to(String dest) { |
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454 return file.renameTo(new File(dest)); |
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455 } |
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456 |
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457 public LuanTable canonical(LuanState luan) throws LuanException, IOException { |
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458 return new LuanFile(luan,file.getCanonicalFile()).table(); |
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459 } |
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460 |
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461 @Override public LuanTable table() { |
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462 LuanTable tbl = super.table(); |
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463 try { |
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464 tbl.rawPut( "name", new LuanJavaFunction( |
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465 File.class.getMethod( "getName" ), file |
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466 ) ); |
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467 tbl.rawPut( "is_directory", new LuanJavaFunction( |
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468 File.class.getMethod( "isDirectory" ), file |
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469 ) ); |
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470 tbl.rawPut( "is_file", new LuanJavaFunction( |
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471 File.class.getMethod( "isFile" ), file |
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472 ) ); |
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473 tbl.rawPut( "delete", new LuanJavaFunction( |
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474 File.class.getMethod( "delete" ), file |
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475 ) ); |
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476 tbl.rawPut( "mkdir", new LuanJavaFunction( |
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477 File.class.getMethod( "mkdir" ), file |
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478 ) ); |
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479 tbl.rawPut( "mkdirs", new LuanJavaFunction( |
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480 File.class.getMethod( "mkdirs" ), file |
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481 ) ); |
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482 tbl.rawPut( "last_modified", new LuanJavaFunction( |
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483 File.class.getMethod( "lastModified" ), file |
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484 ) ); |
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485 tbl.rawPut( "child", new LuanJavaFunction( |
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486 LuanFile.class.getMethod( "child", LuanState.class, String.class ), this |
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487 ) ); |
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488 tbl.rawPut( "children", new LuanJavaFunction( |
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489 LuanFile.class.getMethod( "children", LuanState.class ), this |
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490 ) ); |
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491 tbl.rawPut( "parent", new LuanJavaFunction( |
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492 LuanFile.class.getMethod( "parent", LuanState.class ), this |
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493 ) ); |
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494 tbl.rawPut( "rename_to", new LuanJavaFunction( |
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495 LuanFile.class.getMethod( "rename_to", String.class ), this |
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496 ) ); |
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497 tbl.rawPut( "canonical", new LuanJavaFunction( |
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498 LuanFile.class.getMethod( "canonical", LuanState.class ), this |
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499 ) ); |
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500 } catch(NoSuchMethodException e) { |
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501 throw new RuntimeException(e); |
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502 } |
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503 return tbl; |
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504 } |
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505 } |
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506 |
590 | 507 public static LuanTable null_() { |
508 return nullIO.table(); | |
509 } | |
510 | |
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511 public static LuanTable string(String s) throws LuanException { |
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512 Utils.checkNotNull(s); |
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513 return new LuanString(s).table(); |
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514 } |
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515 |
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516 public static LuanTable file(LuanState luan,String name) throws LuanException { |
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517 File file = new File(name); |
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518 return new LuanFile(file).table(); |
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519 } |
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520 |
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521 public static LuanTable classpath(LuanState luan,String name) throws LuanException { |
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522 if( name.contains("//") ) |
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523 return null; |
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524 String path = name; |
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525 check(luan,"classpath:"+path); |
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526 URL url; |
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527 if( !path.contains("#") ) { |
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528 url = ClassLoader.getSystemResource(path); |
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529 } else { |
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530 String[] a = path.split("#"); |
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531 url = ClassLoader.getSystemResource(a[0]); |
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532 if( url==null ) { |
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533 for( int i=1; i<a.length; i++ ) { |
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534 url = ClassLoader.getSystemResource(a[0]+"/"+a[i]); |
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535 if( url != null ) { |
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536 try { |
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537 url = new URL(url,"."); |
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538 } catch(MalformedURLException e) { |
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539 throw new RuntimeException(e); |
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540 } |
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541 break; |
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542 } |
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543 } |
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544 } |
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545 } |
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546 if( url != null ) |
722 | 547 return new LuanUrl(luan,url,null).table(); |
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548 |
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549 return null; |
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550 } |
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551 |
722 | 552 private static LuanTable url(LuanState luan,String url,LuanTable options) throws IOException, LuanException { |
553 return new LuanUrl(luan,new URL(url),options).table(); | |
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554 } |
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555 |
722 | 556 public static LuanTable http(LuanState luan,String path,LuanTable options) throws IOException, LuanException { |
557 return url(luan,"http:"+path,options); | |
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558 } |
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559 |
722 | 560 public static LuanTable https(LuanState luan,String path,LuanTable options) throws IOException, LuanException { |
561 return url(luan,"https:"+path,options); | |
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562 } |
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563 |
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564 public static LuanTable luan(LuanState luan,String path) throws LuanException { |
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565 return classpath( luan, "luan/modules/" + path ); |
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566 } |
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567 |
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568 public static LuanTable stdin(LuanState luan) throws LuanException { |
693
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569 LuanTable io = (LuanTable)PackageLuan.require(luan,"luan:Io.luan"); |
575
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570 return (LuanTable)io.get(luan,"stdin"); |
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571 } |
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572 |
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573 public static LuanTable newSchemes() { |
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574 LuanTable schemes = new LuanTable(); |
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575 try { |
590 | 576 schemes.rawPut( "null", new LuanJavaFunction(IoLuan.class.getMethod("null_"),null) ); |
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577 add( schemes, "string", String.class ); |
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578 add( schemes, "file", LuanState.class, String.class ); |
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579 add( schemes, "classpath", LuanState.class, String.class ); |
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580 add( schemes, "socket", String.class ); |
722 | 581 add( schemes, "http", LuanState.class, String.class, LuanTable.class ); |
582 add( schemes, "https", LuanState.class, String.class, LuanTable.class ); | |
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583 add( schemes, "luan", LuanState.class, String.class ); |
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584 add( schemes, "stdin", LuanState.class ); |
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585 } catch(NoSuchMethodException e) { |
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586 throw new RuntimeException(e); |
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587 } |
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588 return schemes; |
260
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589 } |
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590 |
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591 private static LuanTable schemes(LuanState luan) throws LuanException { |
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592 LuanTable t = (LuanTable)PackageLuan.loaded(luan).rawGet("luan:Io.luan"); |
260
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593 if( t == null ) |
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594 return newSchemes(); |
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595 t = (LuanTable)t.get(luan,"schemes"); |
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596 if( t == null ) |
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597 return newSchemes(); |
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598 return t; |
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599 } |
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600 |
722 | 601 public static LuanTable uri(LuanState luan,String name,LuanTable options) throws LuanException { |
260
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602 int i = name.indexOf(':'); |
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603 if( i == -1 ) |
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604 throw new LuanException( "invalid Io.uri name '"+name+"', missing scheme" ); |
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605 String scheme = name.substring(0,i); |
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606 String location = name.substring(i+1); |
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607 LuanTable schemes = schemes(luan); |
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608 LuanFunction opener = (LuanFunction)schemes.get(luan,scheme); |
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609 if( opener == null ) |
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610 throw new LuanException( "invalid scheme '"+scheme+"' in '"+name+"'" ); |
722 | 611 return (LuanTable)Luan.first(opener.call(luan,new Object[]{location,options})); |
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612 } |
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613 |
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614 public static final class LuanSocket extends LuanIO { |
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615 private final Socket socket; |
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616 |
202
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617 private LuanSocket(String host,int port) throws IOException { |
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618 this(new Socket(host,port)); |
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619 } |
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620 |
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621 private LuanSocket(Socket socket) throws IOException { |
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622 this.socket = socket; |
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623 } |
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624 |
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625 @Override public InputStream inputStream() throws IOException { |
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626 return socket.getInputStream(); |
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627 } |
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628 |
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629 @Override OutputStream outputStream() throws IOException { |
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630 return socket.getOutputStream(); |
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631 } |
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632 |
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633 @Override public String to_string() { |
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634 return socket.toString(); |
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635 } |
705 | 636 |
637 @Override public String to_uri_string() { | |
638 throw new UnsupportedOperationException(); | |
639 } | |
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640 } |
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641 |
646
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642 public static LuanTable socket(String name) throws LuanException, IOException { |
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643 int i = name.indexOf(':'); |
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644 if( i == -1 ) |
646
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645 throw new LuanException( "invalid socket '"+name+"', format is: <host>:<port>" ); |
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646 String host = name.substring(0,i); |
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647 String portStr = name.substring(i+1); |
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648 int port = Integer.parseInt(portStr); |
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649 return new LuanSocket(host,port).table(); |
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650 } |
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651 |
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652 public static LuanFunction socket_server(int port) throws IOException { |
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653 final ServerSocket ss = new ServerSocket(port); |
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654 return new LuanFunction() { |
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655 @Override public Object call(LuanState luan,Object[] args) throws LuanException { |
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656 try { |
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657 if( args.length > 0 ) { |
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658 if( args.length > 1 || !"close".equals(args[0]) ) |
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659 throw new LuanException( "the only argument allowed is 'close'" ); |
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660 ss.close(); |
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661 return null; |
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662 } |
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663 return new LuanSocket(ss.accept()).table(); |
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664 } catch(IOException e) { |
646
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665 throw new LuanException(e); |
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666 } |
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667 } |
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668 }; |
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669 } |
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670 |
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671 |
701 | 672 public static String ip(String domain) { |
673 try { | |
674 return InetAddress.getByName(domain).getHostAddress(); | |
675 } catch(UnknownHostException e) { | |
676 return null; | |
677 } | |
678 } | |
679 | |
680 | |
706 | 681 // files maps zip name to uri |
682 public static void zip(LuanState luan,String zipUri,LuanTable files) throws LuanException, IOException { | |
722 | 683 Object obj = uri(luan,zipUri,null).rawGet("java"); |
706 | 684 if( !(obj instanceof LuanIO) ) |
685 throw new LuanException("invalid uri for zip"); | |
686 LuanIO zipIo = (LuanIO)obj; | |
687 ZipOutputStream out = new ZipOutputStream(zipIo.outputStream()); | |
688 for( Map.Entry<Object,Object> entry : files.iterable(luan) ) { | |
689 obj = entry.getKey(); | |
690 if( !(obj instanceof String) ) | |
691 throw new LuanException("zip file table keys must be strings"); | |
692 String fileName = (String)obj; | |
693 obj = entry.getValue(); | |
694 if( !(obj instanceof String) ) | |
695 throw new LuanException("zip file table values must be strings"); | |
696 String uriStr = (String)obj; | |
697 out.putNextEntry(new ZipEntry(fileName)); | |
722 | 698 obj = uri(luan,uriStr,null).rawGet("java"); |
706 | 699 if( !(obj instanceof LuanIn) ) |
700 throw new LuanException("invalid uri for zip"); | |
701 LuanIn zipIn = (LuanIn)obj; | |
702 InputStream in = zipIn.inputStream(); | |
703 Utils.copyAll(in,out); | |
704 in.close(); | |
705 out.closeEntry(); | |
706 } | |
707 out.close(); | |
708 } | |
709 | |
710 | |
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711 // security |
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712 |
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713 public interface Security { |
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714 public void check(LuanState luan,String name) throws LuanException; |
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715 } |
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716 |
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717 private static String SECURITY_KEY = "Io.Security"; |
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718 |
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719 private static void check(LuanState luan,String name) throws LuanException { |
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720 Security s = (Security)luan.registry().get(SECURITY_KEY); |
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721 if( s!=null ) |
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722 s.check(luan,name); |
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723 } |
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724 |
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725 public static void setSecurity(LuanState luan,Security s) { |
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726 luan.registry().put(SECURITY_KEY,s); |
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727 } |
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728 |
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729 private void IoLuan() {} // never |
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730 } |