Package org.apache.fop.pdf

Class InMemoryStreamCache

java.lang.Object
org.apache.fop.pdf.InMemoryStreamCache
All Implemented Interfaces:
StreamCache
public class InMemoryStreamCache extends Object implements StreamCache
StreamCache implementation that uses temporary files rather than heap.

  • Constructor Details

    • InMemoryStreamCache

      public InMemoryStreamCache()
      Creates a new InMemoryStreamCache.

    • InMemoryStreamCache

      public InMemoryStreamCache(int hintSize)
      Creates a new InMemoryStreamCache.
      Parameters:
      hintSize - a hint about the approximate expected size of the buffer

  • Method Details

    • getOutputStream

      public OutputStream getOutputStream() throws IOException
      Get the current OutputStream. Do not store it - it may change from call to call.
      Specified by:
      getOutputStream in interface StreamCache
      Returns:
      the output stream containing the data
      Throws:
      IOException - if there is an error getting the output stream

    • write

      public void write(byte[] data) throws IOException
      Convenience method for writing data to the stream cache.
      Specified by:
      write in interface StreamCache
      Parameters:
      data - byte array to write
      Throws:
      IOException - if there is an IO error

    • outputContents

      public int outputContents(OutputStream out) throws IOException
      Outputs the cached bytes to the given stream.
      Specified by:
      outputContents in interface StreamCache
      Parameters:
      out - the output stream to write to
      Returns:
      the number of bytes written
      Throws:
      IOException - if there is an IO error writing to the output stream

    • getSize

      public int getSize() throws IOException
      Returns the current size of the stream.
      Specified by:
      getSize in interface StreamCache
      Returns:
      the length of the stream
      Throws:
      IOException - if there is an error getting the size

    • clear

      public void clear() throws IOException
      Clears and resets the cache.
      Specified by:
      clear in interface StreamCache
      Throws:
      IOException - if there is an error closing the stream