Package tilda.utils

Class FileUtil

  • public class FileUtil
extends java.lang.Object

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static interface  FileUtil.FileProcessor  

    • Constructor Summary

      Constructors 
      Constructor Description
      FileUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void copyFileContentsIntoAnotherFile​(java.lang.String inputFileName, java.io.PrintWriter Out)  
      static boolean existsFileOrResource​(java.lang.String Name)
      This methods provide a general "exists" helper that covers both file-system and resource-based paths.
      static java.lang.String getBasePathFromFileOrResource​(java.lang.String Name)  
      static java.io.PrintWriter getBufferedPrintWriter​(java.lang.String SourceFilePath, boolean append)  
      static java.lang.String getContentsFromPostUrl​(java.lang.String url, java.util.Map<java.lang.String,​java.lang.String> params)  
      static java.lang.String getContentsFromPostUrl​(java.lang.String url, java.util.Map<java.lang.String,​java.lang.String> params, java.util.Map<java.lang.String,​java.lang.String> headerss)  
      static java.lang.String getContentsFromReader​(java.io.BufferedReader r)  
      static java.lang.String getContentsFromUrl​(java.lang.String url)
      Gets contents from a GET URL provided,
      static java.lang.String getContentsFromUrl​(java.lang.String url, boolean retry)
      Gets contents from a GET URL provided,
      If retry is true, in the case of a failure, the HTTP call will be tried another 2 times with a delay of 1000 and 2500 respectively.
      static java.lang.String getContentsFromUrl​(java.lang.String url, boolean retry, java.util.Map<java.lang.String,​java.lang.String> headers)
      Gets contents from a GET URL provided,
      If retry is true, in the case of a failure, the HTTP call will be tried another 2 times with a delay of 1000 and 2500 respectively.
      static java.util.List<org.apache.commons.csv.CSVRecord> getCSVRecords​(java.lang.String fileName)
      Reads a whole CSV file in memory.
      static java.lang.String getFileOfResourceContents​(java.io.File F)  
      static java.lang.String getFileOfResourceContents​(java.lang.String Name)  
      static java.io.File getKeyFile​(java.lang.String dataProjectName, java.lang.String appName)  
      static java.io.File getKeyFile​(java.lang.String envVariable, java.lang.String dataProjectName, java.lang.String appName)  
      static java.io.BufferedReader getReaderFromFileOrResource​(java.lang.String Name)  
      static java.io.BufferedReader getReaderFromPostUrl​(java.lang.String url, java.util.Map<java.lang.String,​java.lang.String> params)
      Returns a Reader from a POST URL with parameters.
      static java.io.BufferedReader getReaderFromPostUrl​(java.lang.String url, java.util.Map<java.lang.String,​java.lang.String> params, java.util.Map<java.lang.String,​java.lang.String> headers)
      Returns a Reader from a POST URL with parameters and headers.
      static java.io.BufferedReader getReaderFromUrl​(java.lang.String url)
      Returns a Reader from a GET URL.
      static java.io.BufferedReader getReaderFromUrl​(java.lang.String url, boolean retry)
      Returns a Reader from a GET URL.
      static java.io.BufferedReader getReaderFromUrl​(java.lang.String url, boolean retry, java.util.Map<java.lang.String,​java.lang.String> headers)
      Returns a Reader from a GET URL and headers.
      static java.io.InputStream getResourceAsStream​(java.lang.String ResourceName)  
      static java.net.URL getResourceUrl​(java.lang.String ResourceName)  
      static java.lang.String getUserHome()  
      static boolean isExcluded​(java.io.File f, java.lang.String[] Excludes)  
      static boolean isFileNameProhibited​(java.lang.String FileName)  
      static void iterate​(java.io.File StartingFolder, FileUtil.FileProcessor FP, java.lang.String[] Excludes)  
      static void iterate​(java.io.File StartingFolder, FileUtil.FileProcessor FP, java.lang.String[] Excludes, int Level)  
      static java.lang.String readlnFromStdIn​(boolean secure)  
      protected static java.lang.String readToString​(java.io.BufferedReader R)  
      static boolean removeDir​(java.io.File dir, boolean recurse)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • LOG

        protected static final org.apache.logging.log4j.Logger LOG

      • _PROHIBITED_FILENAMES

        protected static final java.lang.String[] _PROHIBITED_FILENAMES

      • _DEFAULT_ENV_VAR_NAME

        public static final java.lang.String _DEFAULT_ENV_VAR_NAME
        See Also:
        Constant Field Values

    • Constructor Detail

      • FileUtil

        public FileUtil()

    • Method Detail

      • getResourceAsStream

        public static java.io.InputStream getResourceAsStream​(java.lang.String ResourceName)

      • getResourceUrl

        public static java.net.URL getResourceUrl​(java.lang.String ResourceName)

      • iterate

        public static void iterate​(java.io.File StartingFolder,
                           FileUtil.FileProcessor FP,
                           java.lang.String[] Excludes)
                    throws java.lang.Exception
        Throws:
        java.lang.Exception

      • iterate

        public static void iterate​(java.io.File StartingFolder,
                           FileUtil.FileProcessor FP,
                           java.lang.String[] Excludes,
                           int Level)
                    throws java.lang.Exception
        Throws:
        java.lang.Exception

      • isExcluded

        public static boolean isExcluded​(java.io.File f,
                                 java.lang.String[] Excludes)

      • copyFileContentsIntoAnotherFile

        public static void copyFileContentsIntoAnotherFile​(java.lang.String inputFileName,
                                                   java.io.PrintWriter Out)
                                            throws java.io.IOException
        Throws:
        java.io.IOException

      • getBufferedPrintWriter

        public static java.io.PrintWriter getBufferedPrintWriter​(java.lang.String SourceFilePath,
                                                         boolean append)
                                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • isFileNameProhibited

        public static boolean isFileNameProhibited​(java.lang.String FileName)

      • getReaderFromUrl

        public static java.io.BufferedReader getReaderFromUrl​(java.lang.String url)
                                               throws java.lang.Exception
        Returns a Reader from a GET URL. It is the responsibility of the caller to close the Reader when done.
        Parameters:
        url -
        Returns:
        Throws:
        java.lang.Exception

      • getReaderFromUrl

        public static java.io.BufferedReader getReaderFromUrl​(java.lang.String url,
                                                      boolean retry)
        Returns a Reader from a GET URL. It is the responsibility of the caller to close the Reader when done. If retry is true, in the case of a failure, the HTTP call will be tried another 2 times with a delay of 1000 and 2500 respectively.
        Parameters:
        url -
        retry -
        Returns:
        Throws:
        java.lang.Exception

      • getReaderFromUrl

        public static java.io.BufferedReader getReaderFromUrl​(java.lang.String url,
                                                      boolean retry,
                                                      java.util.Map<java.lang.String,​java.lang.String> headers)
        Returns a Reader from a GET URL and headers. It is the responsibility of the caller to close the Reader when done. If retry is true, in the case of a failure, the HTTP call will be tried another 2 times with a delay of 1000 and 2500 respectively.
        Parameters:
        url -
        retry -
        Returns:
        Throws:
        java.lang.Exception

      • getContentsFromUrl

        public static java.lang.String getContentsFromUrl​(java.lang.String url)
                                           throws java.io.IOException
        Gets contents from a GET URL provided,
        Parameters:
        url -
        Returns:
        Throws:
        java.io.IOException

      • getContentsFromUrl

        public static java.lang.String getContentsFromUrl​(java.lang.String url,
                                                  boolean retry)
                                           throws java.io.IOException
        Gets contents from a GET URL provided,
        If retry is true, in the case of a failure, the HTTP call will be tried another 2 times with a delay of 1000 and 2500 respectively.
        Parameters:
        url -
        retry -
        Returns:
        Throws:
        java.io.IOException

      • getContentsFromUrl

        public static java.lang.String getContentsFromUrl​(java.lang.String url,
                                                  boolean retry,
                                                  java.util.Map<java.lang.String,​java.lang.String> headers)
                                           throws java.io.IOException
        Gets contents from a GET URL provided,
        If retry is true, in the case of a failure, the HTTP call will be tried another 2 times with a delay of 1000 and 2500 respectively.
        Parameters:
        url -
        retry -
        Returns:
        Throws:
        java.io.IOException

      • getReaderFromPostUrl

        public static java.io.BufferedReader getReaderFromPostUrl​(java.lang.String url,
                                                          java.util.Map<java.lang.String,​java.lang.String> params)
        Returns a Reader from a POST URL with parameters. It is the responsibility of the caller to close the Reader when done.
        Parameters:
        url -
        args -
        Returns:

      • getReaderFromPostUrl

        public static java.io.BufferedReader getReaderFromPostUrl​(java.lang.String url,
                                                          java.util.Map<java.lang.String,​java.lang.String> params,
                                                          java.util.Map<java.lang.String,​java.lang.String> headers)
        Returns a Reader from a POST URL with parameters and headers. It is the responsibility of the caller to close the Reader when done.
        Parameters:
        url -
        args -
        Returns:

      • getContentsFromPostUrl

        public static java.lang.String getContentsFromPostUrl​(java.lang.String url,
                                                      java.util.Map<java.lang.String,​java.lang.String> params)
                                               throws java.io.IOException
        Throws:
        java.io.IOException

      • getContentsFromPostUrl

        public static java.lang.String getContentsFromPostUrl​(java.lang.String url,
                                                      java.util.Map<java.lang.String,​java.lang.String> params,
                                                      java.util.Map<java.lang.String,​java.lang.String> headerss)
                                               throws java.io.IOException
        Throws:
        java.io.IOException

      • existsFileOrResource

        public static boolean existsFileOrResource​(java.lang.String Name)
        This methods provide a general "exists" helper that covers both file-system and resource-based paths.
        Parameters:
        Name -
        Returns:
        true if the resource was found either on the file system or in the classpath, or false otherwise.

      • getReaderFromFileOrResource

        public static java.io.BufferedReader getReaderFromFileOrResource​(java.lang.String Name)
                                                          throws java.io.IOException
        Throws:
        java.io.IOException

      • readToString

        protected static java.lang.String readToString​(java.io.BufferedReader R)
                                        throws java.io.IOException
        Throws:
        java.io.IOException

      • getFileOfResourceContents

        public static java.lang.String getFileOfResourceContents​(java.lang.String Name)
                                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • getFileOfResourceContents

        public static java.lang.String getFileOfResourceContents​(java.io.File F)
                                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • getBasePathFromFileOrResource

        public static java.lang.String getBasePathFromFileOrResource​(java.lang.String Name)
                                                      throws java.lang.Exception
        Throws:
        java.lang.Exception

      • readlnFromStdIn

        public static java.lang.String readlnFromStdIn​(boolean secure)

      • getUserHome

        public static java.lang.String getUserHome()

      • removeDir

        public static boolean removeDir​(java.io.File dir,
                                boolean recurse)

      • getCSVRecords

        public static java.util.List<org.apache.commons.csv.CSVRecord> getCSVRecords​(java.lang.String fileName)
        Reads a whole CSV file in memory. Do not use for large files obviously!
        Parameters:
        fileName -
        Returns:

      • getContentsFromReader

        public static java.lang.String getContentsFromReader​(java.io.BufferedReader r)
                                              throws java.io.IOException
        Throws:
        java.io.IOException

      • getKeyFile

        public static java.io.File getKeyFile​(java.lang.String dataProjectName,
                                      java.lang.String appName)
                               throws java.io.FileNotFoundException,
                                      java.io.IOException
        Throws:
        java.io.FileNotFoundException
        java.io.IOException

      • getKeyFile

        public static java.io.File getKeyFile​(java.lang.String envVariable,
                                      java.lang.String dataProjectName,
                                      java.lang.String appName)
                               throws java.io.FileNotFoundException,
                                      java.io.IOException
        Throws:
        java.io.FileNotFoundException
        java.io.IOException