Class MemoryPackagePart

java.lang.Object
org.apache.poi.openxml4j.opc.PackagePart
org.apache.poi.openxml4j.opc.internal.MemoryPackagePart
All Implemented Interfaces:
Comparable<PackagePart>, RelationshipSource

public final class MemoryPackagePart extends PackagePart
Memory version of a package part. Use to
Version:
1.0
Author:
Julien Chable
  • Field Details

    • data

      protected byte[] data
      Storage for the part data.
  • Constructor Details

  • Method Details

    • getInputStreamImpl

      protected InputStream getInputStreamImpl()
      Description copied from class: PackagePart
      Method that gets the input stream for this part.
      Specified by:
      getInputStreamImpl in class PackagePart
      Returns:
      input stream for this part
    • getOutputStreamImpl

      protected OutputStream getOutputStreamImpl()
      Description copied from class: PackagePart
      Method that gets the output stream for this part.
      Specified by:
      getOutputStreamImpl in class PackagePart
      Returns:
      output stream for this part
    • getSize

      public long getSize()
      Overrides:
      getSize in class PackagePart
      Returns:
      The length of the part in bytes, or -1 if not known
    • clear

      public void clear()
      Description copied from class: PackagePart
      Allows sub-classes to clean up before new data is added.
      Overrides:
      clear in class PackagePart
    • save

      public boolean save(OutputStream os) throws OpenXML4JException
      Description copied from class: PackagePart
      Save the content of this part and the associated relationships part (if this part own at least one relationship) into the specified output stream.
      Specified by:
      save in class PackagePart
      Parameters:
      os - Output stream to save this part.
      Returns:
      boolean flag that shows if the save succeeded
      Throws:
      OpenXML4JException - If any exception occur.
    • load

      public boolean load(InputStream ios) throws InvalidFormatException
      Description copied from class: PackagePart
      Load the content of this part.
      Specified by:
      load in class PackagePart
      Parameters:
      ios - The input stream of the content to load.
      Returns:
      true if the content has been successfully loaded, else false.
      Throws:
      InvalidFormatException - Throws if the content format is invalid.
    • close

      public void close()
      Description copied from class: PackagePart
      Close this part : flush this part, close the input stream and output stream. After this method call, the part must be available for packaging.
      Specified by:
      close in class PackagePart
    • flush

      public void flush()
      Description copied from class: PackagePart
      Flush the content of this part. If the input stream and/or output stream as in a waiting state to read or write, the must to empty their respective buffer.
      Specified by:
      flush in class PackagePart