Module seppiko.commons.utils
Package org.seppiko.commons.utils

Class StreamUtil

java.lang.Object
org.seppiko.commons.utils.StreamUtil
public class StreamUtil extends Object
File and Stream Util
Author:
Leonard Woo

  • Constructor Details

    • StreamUtil

      public StreamUtil()

  • Method Details

    • findFileInputStream

      public static InputStream findFileInputStream​(Class<?> clazz, String pathname)
      Find and load file from pathname
      Parameters:
      clazz - classloader loading point
      pathname - relative path
      Returns:
      file input stream if file not found is null

    • findFile

      public static File findFile​(Class<?> clazz, String pathname)
      Find and load file from pathname
      Parameters:
      clazz - classloader loading point
      pathname - relative path
      Returns:
      file

    • getStream

      public static InputStream getStream​(Class<?> clazz, String pathname)
      Find and get file steam
      Parameters:
      clazz - classloader loading point
      pathname - relative path
      Returns:
      File input stream if not found is null

    • getStream

      public static InputStream getStream​(String filepath)
      Get file stream
      Parameters:
      filepath - File path
      Returns:
      File input stream if file not found is null

    • getStream

      public static InputStream getStream​(File file)
      Get file stream
      Parameters:
      file - File object
      Returns:
      File input stream if file not found is null

    • loadString

      public static BufferedReader loadString​(String str)
      Load string to reader
      Parameters:
      str - String
      Returns:
      Reader

    • loadReader

      public static BufferedReader loadReader​(InputStream is)
      Load reader from InputStream
      Parameters:
      is - Inputstream
      Returns:
      Reader

    • loadReader

      public static BufferedReader loadReader​(InputStream is, Charset charset)
      Load inputstram to reader with charset
      Parameters:
      is - Inputstream
      charset - Charest seeStandardCharsets
      Returns:
      Reader

    • exportOutputStream

      public static void exportOutputStream​(byte[] bytes, OutputStream os) throws IOException
      export byte array to output stream
      Parameters:
      bytes - byte array
      os - output stream
      Throws:
      IOException - byte array write failed

    • readerToString

      public static String readerToString​(BufferedReader reader, boolean ignoreNewLine) throws IOException
      Convert reader to String
      Parameters:
      reader - Reader
      ignoreNewLine - true - read all content without new line
      Returns:
      reader content without newline char
      Throws:
      IOException - read exception

    • writeFile

      public static Writer writeFile​(String pathname) throws IOException
      Write file If not exist create it
      Parameters:
      pathname - file out path
      Returns:
      file writer
      Throws:
      IOException - file create or file writer exception

    • writeFile

      public static Writer writeFile​(File file) throws IOException
      Write file If not exist create it
      Parameters:
      file - file object
      Returns:
      file writer
      Throws:
      IOException - file create or file writer exception

    • writeFile

      public static void writeFile​(byte[] b, File file) throws IOException
      Write byte array to file
      Parameters:
      b - bytes
      file - File
      Throws:
      IOException - I/O exception

    • copy

      @Deprecated public static void copy​(InputStream is, OutputStream os) throws IOException
      Deprecated.
      Copy inputstream to outputstream
      Parameters:
      is - InputStream
      os - OutputStream
      Throws:
      IOException - I/O exception