Package org.apache.commons.compress.changes

Class ChangeSetPerformer<I extends ArchiveInputStream<E>,O extends ArchiveOutputStream<E>,E extends ArchiveEntry>

java.lang.Object
org.apache.commons.compress.changes.ChangeSetPerformer<I,O,E>
Type Parameters:
I - The ArchiveInputStream type.
O - The ArchiveOutputStream type.
E - The ArchiveEntry type, must be compatible between the input I and output O stream types.
public class ChangeSetPerformer<I extends ArchiveInputStream<E>,O extends ArchiveOutputStream<E>,E extends ArchiveEntry> extends Object
Performs ChangeSet operations on a stream. This class is thread safe and can be used multiple times. It operates on a copy of the ChangeSet. If the ChangeSet changes, a new Performer must be created.
This class is immutable
This class is thread-safe

  • Constructor Details

    • ChangeSetPerformer

      public ChangeSetPerformer(ChangeSet<E> changeSet)
      Constructs a ChangeSetPerformer with the changes from this ChangeSet
      Parameters:
      changeSet - the ChangeSet which operations are used for performing

  • Method Details

    • perform

      public ChangeSetResults perform(I inputStream, O outputStream) throws IOException
      Performs all changes collected in this ChangeSet on the input stream and streams the result to the output stream. Perform may be called more than once. This method finishes the stream, no other entries should be added after that.
      Parameters:
      inputStream - the InputStream to perform the changes on
      outputStream - the resulting OutputStream with all modifications
      Returns:
      the results of this operation
      Throws:
      IOException - if a read/write error occurs

    • perform

      public ChangeSetResults perform(ZipFile zipFile, O outputStream) throws IOException
      Performs all changes collected in this ChangeSet on the ZipFile and streams the result to the output stream. Perform may be called more than once. This method finishes the stream, no other entries should be added after that.
      Parameters:
      zipFile - the ZipFile to perform the changes on
      outputStream - the resulting OutputStream with all modifications
      Returns:
      the results of this operation
      Throws:
      IOException - if a read/write error occurs
      Since:
      1.5