org.apache.jena.atlas.io.IO.openFileEx()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中org.apache.jena.atlas.io.IO.openFileEx()方法的一些代码示例，展示了IO.openFileEx()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。IO.openFileEx()方法的具体详情如下：
包路径：org.apache.jena.atlas.io.IO
类名称：IO
方法名：openFileEx

IO.openFileEx介绍

[英]Open an input stream to a file; do not mask IOExceptions. If the filename is null or "-", return System.in If the filename ends in .gz, wrap in GZIPInputStream
[中]打开文件的输入流；不要掩盖异常。如果文件名为null或“-”，则返回System。如果文件名以结尾，则为。gz，用GZIPInputStream包装

代码示例

代码示例来源：origin: apache/jena

  1. /** Open an input stream to a file. 
  2.  * If the filename is null or "-", return System.in
  3.  * If the filename ends in .gz, wrap in  GZIPInputStream  
  4.  */
  5. static public InputStream openFile(String filename) {
  6.   try { return openFileEx(filename) ; }
  7.   catch (IOException ex) { IO.exception(ex); return null ; }
  8. }

代码示例来源：origin: org.apache.jena/jena-base

  1. /** Open an input stream to a file. 
  2.  * If the filename is null or "-", return System.in
  3.  * If the filename ends in .gz, wrap in  GZIPInputStream  
  4.  */
  5. static public InputStream openFile(String filename) {
  6.   try { return openFileEx(filename) ; }
  7.   catch (IOException ex) { IO.exception(ex); return null ; }
  8. }

代码示例来源：origin: apache/jena

  1. /**
  2.  * Open an input stream to a file and buffer it. If the filename is null or "-",
  3.  * return System.in If the filename ends in .gz, wrap in GZIPInputStream.
  4.  * If using this {@code InputStream} with an {@code InputStreamReader}
  5.  * (e.g. to get UTF-8), there is no need to buffer the {@code InputStream}.
  6.  * Instead, buffer the {@code Reader}. 
  7.  */
  8. static public InputStream openFileBuffered(String filename) {
  9.   try {
  10.     InputStream in = openFileEx(filename) ;
  11.     return new BufferedInputStream(in, BUFFER_SIZE) ;
  12.   } catch (IOException ex) { IO.exception(ex); return null ; }
  13. }

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

  1. /** Open an input stream to a file. 
  2.  * If the filename is null or "-", return System.in
  3.  * If the filename ends in .gz, wrap in  GZIPInputStream  
  4.  */
  5. static public InputStream openFile(String filename)
  6. {
  7.   try {
  8.     return openFileEx(filename) ;
  9.   }
  10.   catch (Exception ex) { throw new AtlasException(ex) ; }
  11. }

代码示例来源：origin: org.apache.jena/jena-base

  1. /**
  2.  * Open an input stream to a file and buffer it. If the filename is null or "-",
  3.  * return System.in If the filename ends in .gz, wrap in GZIPInputStream.
  4.  * If using this {@code InputStream} with an {@code InputStreamReader}
  5.  * (e.g. to get UTF-8), there is no need to buffer the {@code InputStream}.
  6.  * Instead, buffer the {@code Reader}. 
  7.  */
  8. static public InputStream openFileBuffered(String filename) {
  9.   try {
  10.     InputStream in = openFileEx(filename) ;
  11.     return new BufferedInputStream(in, BUFFER_SIZE) ;
  12.   } catch (IOException ex) { IO.exception(ex); return null ; }
  13. }

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

  1. /** Read a JSON object from a file */ 
  2. public static JsonObject read(String filename)
  3. {
  4.   try
  5.   {
  6.     InputStream in = IO.openFileEx(filename) ;
  7.     try { return JSON.parse(in) ; } finally { in.close() ; }
  8.   }
  9.   catch (FileNotFoundException ex)
  10.   {
  11.     throw new RuntimeException("File not found: "+filename, ex) ;
  12.   }
  13.   catch (IOException ex)
  14.   {
  15.     IO.exception("IOException: "+filename, ex);
  16.     return null ;
  17.   }
  18. }

代码示例来源：origin: apache/jena

  1. /** Read any JSON value, not just an object, from a file */
  2. public static JsonValue readAny(String filename) {
  3.   try {
  4.     try (InputStream in = IO.openFileEx(filename)) {
  5.       return JSON.parseAny(in) ;
  6.     }
  7.   }
  8.   catch (FileNotFoundException ex) {
  9.     throw new RuntimeException("File not found: " + filename, ex) ;
  10.   }
  11.   catch (IOException ex) {
  12.     IO.exception("IOException: " + filename, ex) ;
  13.     return null ;
  14.   }
  15. }

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

  1. /** Read any JSON value, not just an object, from a file */ 
  2. public static JsonValue readAny(String filename)
  3. {
  4.   try
  5.   {
  6.     InputStream in = IO.openFileEx(filename) ;
  7.     try { return JSON.parseAny(in) ; } finally { in.close() ; }
  8.   }
  9.   catch (FileNotFoundException ex)
  10.   {
  11.     throw new RuntimeException("File not found: "+filename, ex) ;
  12.   }
  13.   catch (IOException ex)
  14.   {
  15.     IO.exception("IOException: "+filename, ex);
  16.     return null ;
  17.   }
  18. }

代码示例来源：origin: apache/jena

  1. InputStream in = IO.openFileEx(fn) ;

代码示例来源：origin: org.apache.clerezza.ext/org.apache.jena.jena-arq

  1. InputStream in = IO.openFileEx(fn) ;

代码示例来源：origin: apache/jena

  1. /** Read a JSON object from a file */
  2. public static JsonObject read(String filename) {
  3.   try (InputStream in = IO.openFileEx(filename)) {
  4.     return JSON.parse(in) ;
  5.   }
  6.   catch (FileNotFoundException ex) {
  7.     IO.exception("File not found: " + filename, ex) ;
  8.     return null ;
  9.   }
  10.   catch (IOException ex) {
  11.     IO.exception("IOException: " + filename, ex) ;
  12.     return null ;
  13.   }
  14. }

代码示例来源：origin: apache/jena

  1. /** 
  2.  * Read from a file if possible.
  3.  * Return null if the file is not found or has a syntax error. 
  4.  */
  5. public static StoreParams read(String filename) {
  6.   try {
  7.     InputStream in = IO.openFileEx(filename);
  8.     if ( in == null )
  9.       return null;
  10.     JsonObject obj = JSON.parse(in) ;
  11.     return StoreParamsCodec.decode(obj) ;
  12.   } catch (FileNotFoundException ex) { 
  13.     return null; 
  14.   } catch (JsonParseException ex) {
  15.     FmtLog.warn(StoreParamsCodec.class, "Ignoring store params : Syntax error in '%s': [line:%d, col:%d] %s", filename, ex.getLine(), ex.getColumn(), ex.getMessage());
  16.     return null ;
  17.   } catch (IOException e) {
  18.     IO.exception(e);
  19.     return null;
  20.   }
  21. }

代码示例来源：origin: apache/jena

  1. /** 
  2.  * Read from a file if possible.
  3.  * Return null if the file is not found or has a syntax error. 
  4.  */
  5. public static StoreParams read(String filename) {
  6.   try {
  7.     InputStream in = IO.openFileEx(filename);
  8.     if ( in == null )
  9.       return null;
  10.     JsonObject obj = JSON.parse(in) ;
  11.     return StoreParamsCodec.decode(obj) ;
  12.   } catch (FileNotFoundException ex) { 
  13.     return null; 
  14.   } catch (JsonParseException ex) {
  15.     FmtLog.warn(StoreParamsCodec.class, "Ignoring store params : Syntax error in '%s': [line:%d, col:%d] %s", filename, ex.getLine(), ex.getColumn(), ex.getMessage());
  16.     return null ;
  17.   } catch (IOException e) {
  18.     IO.exception(e);
  19.     return null;
  20.   }
  21. }

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