org.matsim.core.utils.io.IOUtils类的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中org.matsim.core.utils.io.IOUtils类的一些代码示例，展示了IOUtils类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。IOUtils类的具体详情如下：
包路径：org.matsim.core.utils.io.IOUtils
类名称：IOUtils

IOUtils介绍

[英]A class with some static utility functions for file-I/O.
[中]具有用于文件I/O的一些静态实用程序函数的类。

代码示例

代码示例来源：origin: matsim-org/matsim

  1. /**
  2.  * Tries to open the specified file for writing and returns a BufferedWriter for it.
  3.  * If the filename ends with ".gz", data will be automatically gzip-compressed.
  4.  *
  5.  * @param filename The filename where to write the data.
  6.  * @param charset the encoding to use to write the file.
  7.  * @return BufferedWriter for the specified file.
  8.  * @throws UncheckedIOException
  9.  */
  10. public static BufferedWriter getBufferedWriter(final String filename, final Charset charset) throws UncheckedIOException {
  11.   return getBufferedWriter(filename, charset, false);
  12. }

代码示例来源：origin: matsim-org/matsim

  1. public static BufferedReader getBufferedReader(final URL url) throws UncheckedIOException {
  2.   return getBufferedReader(url, StandardCharsets.UTF_8);
  3. }

代码示例来源：origin: matsim-org/matsim

  1. public static URL getInputFileURL(URL context, String filename) {
  2.     if (filename.startsWith("~" + File.separator)) {
  3.       filename = System.getProperty("user.home") + filename.substring(1);
  4.       return IOUtils.newUrl( null, filename ) ;
  5.     }
  6.     if ( filename.startsWith( File.separator ) ) {
  7.       // (= filename is absolute)
  8.       // (yyyy this may possibly fail on win systems. kai, sep.18)
  9.       return IOUtils.newUrl( null, filename ) ;
  10.     }
  11.     return IOUtils.newUrl(context, filename);
  12.   }
  13. }

代码示例来源：origin: matsim-org/matsim

  1. public PrintWriter getWriter(boolean append, String fileName, String header) throws IOException {
  2.     PrintWriter writer;
  3.     if (append) {
  4.       writer = new PrintWriter(IOUtils.getAppendingBufferedWriter(outputPath + "/" + fileName));
  5.     } else {
  6.       writer = new PrintWriter(IOUtils.getBufferedWriter(outputPath + "/" + fileName));
  7.       writer.println(header);
  8.     }
  9.     return writer;
  10.   }
  11. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedWriter_overwrite() throws IOException {
  3.   String filename = this.utils.getOutputDirectory() + "test.txt";
  4.   BufferedWriter writer = IOUtils.getBufferedWriter(filename);
  5.   writer.write("aaa");
  6.   writer.close();
  7.   BufferedWriter writer2 = IOUtils.getBufferedWriter(filename);
  8.   writer2.write("bbb");
  9.   writer2.close();
  10.   BufferedReader reader = IOUtils.getBufferedReader(filename);
  11.   String line = reader.readLine();
  12.   Assert.assertEquals("bbb", line);
  13. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedReader_UTFwithBOM_lz4() throws IOException {
  3.   String filename = utils.getOutputDirectory() + "test.txt.lz4";
  4.   OutputStream out = IOUtils.getOutputStream(filename);
  5.   out.write(new byte[] {(byte) 0xEF, (byte) 0xBB, (byte) 0xBF});
  6.   out.write("ABCdef".getBytes());
  7.   out.close();
  8.   
  9.   {
  10.     BufferedReader in = IOUtils.getBufferedReader(filename);
  11.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  12.     in.close();
  13.   }
  14.   {
  15.     BufferedReader in = IOUtils.getBufferedReader(filename, IOUtils.CHARSET_UTF8);
  16.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  17.     in.close();
  18.   }
  19.   {
  20.     BufferedReader in = IOUtils.getBufferedReader(filename, IOUtils.CHARSET_WINDOWS_ISO88591);
  21.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  22.     in.close();
  23.   }
  24. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedWriter_append() throws IOException {
  3.   String filename = this.utils.getOutputDirectory() + "test.txt";
  4.   BufferedWriter writer = IOUtils.getAppendingBufferedWriter(filename);
  5.   writer.write("aaa");
  6.   writer.close();
  7.   BufferedWriter writer2 = IOUtils.getAppendingBufferedWriter(filename);
  8.   writer2.write("bbb");
  9.   writer2.close();
  10.   BufferedReader reader = IOUtils.getBufferedReader(filename);
  11.   String line = reader.readLine();
  12.   Assert.assertEquals("aaabbb", line);
  13. }

代码示例来源：origin: matsim-org/matsim

  1. @Override
  2. public void readURL( final URL url ) {
  3.   try {
  4.     log.info("reading file " + url.toString());
  5.     InputStream inputStream = IOUtils.getInputStream(url);
  6.     parse(inputStream);
  7.   } catch (JAXBException | SAXException e) {
  8.     throw new RuntimeException(e);
  9.   }
  10. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetInputStream_UTFwithBOM_Lz4() throws IOException {
  3.   String filename = utils.getOutputDirectory() + "test.txt.lz4";
  4.   OutputStream out = IOUtils.getOutputStream(filename);
  5.   out.write(new byte[] {(byte) 0xEF, (byte) 0xBB, (byte) 0xBF});
  6.   out.write("ABCdef".getBytes());
  7.   out.close();
  8.   InputStream in = IOUtils.getInputStream(filename);
  9.   Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  10.   in.close();
  11. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedWriter_append_gzipped() throws IOException {
  3.   String filename = this.utils.getOutputDirectory() + "test.txt.gz";
  4.   BufferedWriter writer = IOUtils.getAppendingBufferedWriter(filename);
  5.   writer.write("aaa");
  6.   writer.close();
  7.   try {
  8.     IOUtils.getAppendingBufferedWriter(filename);
  9.     Assert.fail("expected exception.");
  10.   } catch (IllegalArgumentException e) {
  11.     log.info("Catched expected exception.", e);
  12.   }
  13. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedWriter_overwrite_gzipped() throws IOException {
  3.   String filename = this.utils.getOutputDirectory() + "test.txt.gz";
  4.   BufferedWriter writer = IOUtils.getBufferedWriter(filename);
  5.   writer.write("aaa");
  6.   writer.close();
  7.   BufferedWriter writer2 = IOUtils.getBufferedWriter(filename);
  8.   writer2.write("bbb");
  9.   writer2.close();
  10.   BufferedReader reader = IOUtils.getBufferedReader(filename);
  11.   String line = reader.readLine();
  12.   Assert.assertEquals("bbb", line);
  13. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedReader_UTFwithBOM_Compressed() throws IOException {
  3.   String filename = utils.getOutputDirectory() + "test.txt.gz";
  4.   OutputStream out = IOUtils.getOutputStream(filename);
  5.   out.write(new byte[] {(byte) 0xEF, (byte) 0xBB, (byte) 0xBF});
  6.   out.write("ABCdef".getBytes());
  7.   out.close();
  8.   
  9.   {
  10.     BufferedReader in = IOUtils.getBufferedReader(filename);
  11.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  12.     in.close();
  13.   }
  14.   {
  15.     BufferedReader in = IOUtils.getBufferedReader(filename.substring(0, filename.length() - 3)); // without the .gz extension
  16.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  17.     in.close();
  18.   }
  19.   {
  20.     BufferedReader in = IOUtils.getBufferedReader(filename, IOUtils.CHARSET_UTF8);
  21.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  22.     in.close();
  23.   }
  24.   {
  25.     BufferedReader in = IOUtils.getBufferedReader(filename, IOUtils.CHARSET_WINDOWS_ISO88591);
  26.     Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  27.     in.close();
  28.   }
  29. }

代码示例来源：origin: matsim-org/matsim

  1. @Override
  2. public void readFile(final String filename) {
  3.   try {
  4.     log.info("reading file " + filename);
  5.     InputStream inputStream = IOUtils.getInputStream(filename);
  6.     parse(inputStream);
  7.   } catch (JAXBException | SAXException e) {
  8.     throw new RuntimeException(e);
  9.   }
  10. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetInputStream_UTFwithBOM_Compressed() throws IOException {
  3.   String filename = utils.getOutputDirectory() + "test.txt.gz";
  4.   OutputStream out = IOUtils.getOutputStream(filename);
  5.   out.write(new byte[] {(byte) 0xEF, (byte) 0xBB, (byte) 0xBF});
  6.   out.write("ABCdef".getBytes());
  7.   out.close();
  8.   InputStream in = IOUtils.getInputStream(filename);
  9.   Assert.assertEquals("ABCdef", new String(new byte[] { (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read(), (byte) in.read() }));
  10.   in.close();
  11. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testGetBufferedWriter_append_lz4() throws IOException {
  3.   String filename = this.utils.getOutputDirectory() + "test.txt.lz4";
  4.   BufferedWriter writer = IOUtils.getAppendingBufferedWriter(filename);
  5.   writer.write("aaa");
  6.   writer.close();
  7.   try {
  8.     IOUtils.getAppendingBufferedWriter(filename);
  9.     Assert.fail("expected exception.");
  10.   } catch (IllegalArgumentException e) {
  11.     log.info("Catched expected exception.", e);
  12.   }
  13. }

代码示例来源：origin: matsim-org/matsim

  1. public SimpleWriter(final String outputFilename) {
  2.   writer = IOUtils.getBufferedWriter(outputFilename);
  3. }

代码示例来源：origin: matsim-org/matsim

  1. /**
  2.  * Tries to open the specified file for reading and returns a BufferedReader for it.
  3.  * Supports gzip-compressed files, such files are automatically decompressed.
  4.  * If the file is not found, a gzip-compressed version of the file with the
  5.  * added ending ".gz" will be searched for and used if found. Assumes that the text
  6.  * in the file is stored in UTF-8 (without BOM).
  7.  *
  8.  * @param filename The file to read, may contain the ending ".gz" to force reading a compressed file.
  9.  * @return BufferedReader for the specified file.
  10.  * @throws UncheckedIOException
  11.  *
  12.  * <br> author mrieser
  13.  */
  14. public static BufferedReader getBufferedReader(final String filename) throws UncheckedIOException {
  15.   return getBufferedReader(filename, StandardCharsets.UTF_8);
  16. }

代码示例来源：origin: matsim-org/matsim

  1. @Test
  2. public void testNewUrl() throws MalformedURLException {
  3.   URL context = Paths.get("").toUri().toURL();
  4.   System.out.println(context.toString());
  5.   URL url = IOUtils.newUrl(context, "C:\\windows\\directory\\filename.txt");
  6.   System.out.println(url.toString());
  7. }

代码示例来源：origin: matsim-org/matsim

  1. private static XMLStreamReader getStreamReader(final String fileName) {
  2.   final XMLInputFactory xmlif = XMLInputFactory.newInstance();
  3.   try {
  4.     final InputStream stream = IOUtils.getInputStream(fileName);
  5.     return xmlif.createXMLStreamReader( stream );
  6.   }
  7.   catch (Exception e) {
  8.     throw new ParsingException( e );
  9.   }
  10. }

代码示例来源：origin: matsim-org/matsim

  1. BufferedWriter bw = IOUtils.getAppendingBufferedWriter(filename);
  2. try{
  3.   for(HullEdge e : this.edges.values()){
  4. bw = IOUtils.getAppendingBufferedWriter(filename);
  5. try{
  6.   for(HullEdge e : this.consideredEdges.values()){

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