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comparison core/src/luan/modules/IoLuan.java @ 314:7c4f52262213

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add Io.schemes.string git-svn-id: https://luan-java.googlecode.com/svn/trunk@315 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 25 Dec 2014 07:23:32 +0000
parents 9e9bb358b2df
children cd2924a1052c
comparison
equal deleted inserted replaced
313:1f6d828986b9 314:7c4f52262213
3 import java.io.InputStream; 3 import java.io.InputStream;
4 import java.io.OutputStream; 4 import java.io.OutputStream;
5 import java.io.PrintStream; 5 import java.io.PrintStream;
6 import java.io.Reader; 6 import java.io.Reader;
7 import java.io.Writer; 7 import java.io.Writer;
8 import java.io.StringReader;
8 import java.io.BufferedReader; 9 import java.io.BufferedReader;
9 import java.io.BufferedWriter; 10 import java.io.BufferedWriter;
10 import java.io.BufferedInputStream; 11 import java.io.BufferedInputStream;
11 import java.io.BufferedOutputStream; 12 import java.io.BufferedOutputStream;
12 import java.io.File; 13 import java.io.File;
163 164
164 public static abstract class LuanIn { 165 public static abstract class LuanIn {
165 abstract InputStream inputStream() throws IOException; 166 abstract InputStream inputStream() throws IOException;
166 public abstract String to_string(); 167 public abstract String to_string();
167 168
169 public Reader reader() throws IOException {
170 return new InputStreamReader(inputStream());
171 }
172
168 public String read_text() throws IOException { 173 public String read_text() throws IOException {
169 Reader in = new InputStreamReader(inputStream()); 174 Reader in = reader();
170 String s = Utils.readAll(in); 175 String s = Utils.readAll(in);
171 in.close(); 176 in.close();
172 return s; 177 return s;
173 } 178 }
174 179
178 in.close(); 183 in.close();
179 return a; 184 return a;
180 } 185 }
181 186
182 public LuanFunction read_lines() throws IOException { 187 public LuanFunction read_lines() throws IOException {
183 return lines(new BufferedReader(new InputStreamReader(inputStream()))); 188 return lines(new BufferedReader(reader()));
184 } 189 }
185 190
186 public LuanFunction read_blocks(Integer blockSize) throws IOException { 191 public LuanFunction read_blocks(Integer blockSize) throws IOException {
187 int n = blockSize!=null ? blockSize : Utils.bufSize; 192 int n = blockSize!=null ? blockSize : Utils.bufSize;
188 return blocks(inputStream(),n); 193 return blocks(inputStream(),n);
294 } 299 }
295 return tbl; 300 return tbl;
296 } 301 }
297 } 302 }
298 303
304 public static final class LuanString extends LuanIn {
305 private final String s;
306
307 private LuanString(String s) {
308 this.s = s;
309 }
310
311 @Override InputStream inputStream() throws IOException {
312 throw new UnsupportedOperationException();
313 }
314
315 @Override public String to_string() {
316 return "<string>";
317 }
318
319 @Override public Reader reader() {
320 return new StringReader(s);
321 }
322
323 @Override public String read_text() {
324 return s;
325 }
326
327 @Override public boolean exists() {
328 return true;
329 }
330 }
331
299 public static final class LuanUrl extends LuanIn { 332 public static final class LuanUrl extends LuanIn {
300 private final URL url; 333 private final URL url;
301 334
302 private LuanUrl(URL url) { 335 private LuanUrl(URL url) {
303 this.url = url; 336 this.url = url;
418 } catch(NoSuchMethodException e) { 451 } catch(NoSuchMethodException e) {
419 throw new RuntimeException(e); 452 throw new RuntimeException(e);
420 } 453 }
421 return tbl; 454 return tbl;
422 } 455 }
456 }
457
458 public static LuanTable string(LuanState luan,String s) throws LuanException {
459 Utils.checkNotNull(luan,s);
460 return new LuanString(s).table();
423 } 461 }
424 462
425 public static LuanTable file(LuanState luan,String name) throws LuanException { 463 public static LuanTable file(LuanState luan,String name) throws LuanException {
426 File file = new File(name); 464 File file = new File(name);
427 return new LuanFile(file).table(); 465 return new LuanFile(file).table();
480 } 518 }
481 519
482 public static LuanTable newSchemes() { 520 public static LuanTable newSchemes() {
483 LuanTable schemes = Luan.newTable(); 521 LuanTable schemes = Luan.newTable();
484 try { 522 try {
523 add( schemes, "string", LuanState.class, String.class );
485 add( schemes, "file", LuanState.class, String.class ); 524 add( schemes, "file", LuanState.class, String.class );
486 add( schemes, "classpath", LuanState.class, String.class ); 525 add( schemes, "classpath", LuanState.class, String.class );
487 add( schemes, "socket", LuanState.class, String.class ); 526 add( schemes, "socket", LuanState.class, String.class );
488 add( schemes, "http", String.class ); 527 add( schemes, "http", String.class );
489 add( schemes, "https", String.class ); 528 add( schemes, "https", String.class );