Module org.hsqldb

Class InOutUtil


  • public final class InOutUtil
    extends java.lang.Object
    Input / Output utility
    Since:
    1.7.2
    Author:
    Fred Toussi (fredt@users dot sourceforge.net), Campbell Burnet (campbell-burnet@users dot sourceforge.net)
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static long copy​(java.io.InputStream inputStream, java.io.OutputStream outputStream)  
      static long copy​(java.io.InputStream inputStream, java.io.OutputStream outputStream, long amount)  
      static long copy​(java.io.InputStream inputStream, java.io.OutputStream outputStream, long amount, int bufferSize)
      the specified amount from the given input stream to the given output stream, using a buffer of the given size.
      static long copy​(java.io.Reader reader, java.io.Writer writer)  
      static long copy​(java.io.Reader reader, java.io.Writer writer, long amount)  
      static long copy​(java.io.Reader reader, java.io.Writer writer, long amount, int bufferSize)
      the specified amount from the given input stream to the given output stream, using a buffer of the given size.
      static java.io.Serializable deserialize​(byte[] ba)
      Deserializes the specified byte array to an Object instance.
      static int readLine​(java.io.InputStream in, java.io.OutputStream out)
      Implementation only supports unix line-end format and is suitable for processing HTTP and other network protocol communications.
      static byte[] serialize​(java.io.Serializable s)
      Retrieves the serialized form of the specified Object as an array of bytes.
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Method Detail

      • readLine

        public static int readLine​(java.io.InputStream in,
                                   java.io.OutputStream out)
                            throws java.io.IOException
        Implementation only supports unix line-end format and is suitable for processing HTTP and other network protocol communications. Reads and writes a line of data. Returns the number of bytes read/written.
        Parameters:
        in - InputStream
        out - OutputStream
        Returns:
        int
        Throws:
        java.io.IOException - on failure
      • serialize

        public static byte[] serialize​(java.io.Serializable s)
                                throws java.io.IOException
        Retrieves the serialized form of the specified Object as an array of bytes.
        Parameters:
        s - the Object to serialize
        Returns:
        a static byte array representing the passed Object
        Throws:
        java.io.IOException - on failure
      • deserialize

        public static java.io.Serializable deserialize​(byte[] ba)
                                                throws java.io.IOException,
                                                       java.lang.ClassNotFoundException
        Deserializes the specified byte array to an Object instance.
        Parameters:
        ba - the byte array to deserialize to an Object
        Returns:
        the Object resulting from deserializing the specified array of bytes
        Throws:
        java.io.IOException - on failure
        java.lang.ClassNotFoundException - if not found
      • copy

        public static long copy​(java.io.InputStream inputStream,
                                java.io.OutputStream outputStream)
                         throws java.io.IOException
        Parameters:
        inputStream - InputStream
        outputStream - OutputStream
        Returns:
        long
        Throws:
        java.io.IOException - on failure
        See Also:
        copy(java.io.InputStream, java.io.OutputStream, long, int)
      • copy

        public static long copy​(java.io.InputStream inputStream,
                                java.io.OutputStream outputStream,
                                long amount)
                         throws java.io.IOException
        Parameters:
        inputStream - InputStream
        outputStream - OutputStream
        amount - long
        Returns:
        long
        Throws:
        java.io.IOException - on failure
        See Also:
        copy(java.io.InputStream, java.io.OutputStream, long, int)
      • copy

        public static long copy​(java.io.InputStream inputStream,
                                java.io.OutputStream outputStream,
                                long amount,
                                int bufferSize)
                         throws java.io.IOException
        the specified amount from the given input stream to the given output stream, using a buffer of the given size.
        Parameters:
        inputStream - from which to source bytes
        outputStream - to which to sink bytes
        amount - max # of bytes to transfer.
        bufferSize - to use internally
        Returns:
        the number of bytes actually transferred.
        Throws:
        java.io.IOException - if any, thrown by either of the given stream objects
      • copy

        public static long copy​(java.io.Reader reader,
                                java.io.Writer writer)
                         throws java.io.IOException
        Parameters:
        reader - Reader
        writer - Writer
        Returns:
        long
        Throws:
        java.io.IOException - on failure
        See Also:
        copy(java.io.Reader, java.io.Writer, long, int)
      • copy

        public static long copy​(java.io.Reader reader,
                                java.io.Writer writer,
                                long amount)
                         throws java.io.IOException
        Parameters:
        reader - Reader
        writer - Writer
        amount - long
        Returns:
        long
        Throws:
        java.io.IOException - on failure
        See Also:
        copy(java.io.Reader, java.io.Writer, long, int)
      • copy

        public static long copy​(java.io.Reader reader,
                                java.io.Writer writer,
                                long amount,
                                int bufferSize)
                         throws java.io.IOException
        the specified amount from the given input stream to the given output stream, using a buffer of the given size.
        Parameters:
        reader - from which to source characters
        writer - to which to sink characters
        amount - max # of characters to transfer.
        bufferSize - to use internally
        Returns:
        the number of characters actually transferred.
        Throws:
        java.io.IOException - if any, thrown by either of the given stream objects