Package com.itextpdf.text.io

Class StreamUtil

  • public final class StreamUtil
extends java.lang.Object
    Utility class with commonly used stream operations
    Since:
    5.3.5

    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private StreamUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void CopyBytes​(RandomAccessSource source, long start, long length, java.io.OutputStream outs)  
      static java.io.InputStream getResourceStream​(java.lang.String key)
      Gets the resource's inputstream.
      static java.io.InputStream getResourceStream​(java.lang.String key, java.lang.ClassLoader loader)
      Gets the resource's inputstream .
      static byte[] inputStreamToArray​(java.io.InputStream is)
      Reads the full content of a stream and returns them in a byte array

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • StreamUtil

        private StreamUtil()

    • Method Detail

      • inputStreamToArray

        public static byte[] inputStreamToArray​(java.io.InputStream is)
                                 throws java.io.IOException
        Reads the full content of a stream and returns them in a byte array
        Parameters:
        is - the stream to read
        Returns:
        a byte array containing all of the bytes from the stream
        Throws:
        java.io.IOException - if there is a problem reading from the input stream

      • CopyBytes

        public static void CopyBytes​(RandomAccessSource source,
                             long start,
                             long length,
                             java.io.OutputStream outs)
                      throws java.io.IOException
        Throws:
        java.io.IOException

      • getResourceStream

        public static java.io.InputStream getResourceStream​(java.lang.String key)
        Gets the resource's inputstream.
        Parameters:
        key - the full name of the resource
        Returns:
        the InputStream to get the resource or null if not found

      • getResourceStream

        public static java.io.InputStream getResourceStream​(java.lang.String key,
                                                    java.lang.ClassLoader loader)
        Gets the resource's inputstream .
        Parameters:
        key - the full name of the resource
        loader - the ClassLoader to load the resource or null to try the ones available
        Returns:
        the InputStream to get the resource or null if not found