Package de.hybris.bootstrap.xml

Class UndoableWriterWrapper

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.Appendable, java.lang.AutoCloseable
    public class UndoableWriterWrapper
extends java.io.Writer
    Writer wrapper implementation which allows to write a certain amount of (string) data and removing it afterwards from the output. 

     UndoableWriterWrapper wr = new UndoableWriterWrapper(actualWriter);

 // start undoable writing
 wr.markSavePoint();
 try
 {
        // ... write into wrapper ...

        // finally store changes
        wr.commitSavePoint();
 }
 catch (Exception e)
 {
        // discard any changes
        wr.restoreSavePoint();
 }

    • Field Summary

      • Fields inherited from class java.io.Writer

        lock

    • Constructor Summary

      Constructors 
      Constructor Description
      UndoableWriterWrapper​(java.io.Writer writer)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      void commitSavePoint()  
      void flush()  
      void markSavePoint()  
      void restoreSavePoint()  
      void write​(char[] cbuf, int off, int len)  

      • Methods inherited from class java.io.Writer

        append, append, append, nullWriter, write, write, write, write

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • UndoableWriterWrapper

        public UndoableWriterWrapper​(java.io.Writer writer)

    • Method Detail

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Specified by:
        close in class java.io.Writer
        Throws:
        java.io.IOException

      • flush

        public void flush()
           throws java.io.IOException
        Specified by:
        flush in interface java.io.Flushable
        Specified by:
        flush in class java.io.Writer
        Throws:
        java.io.IOException

      • write

        public void write​(char[] cbuf,
                  int off,
                  int len)
           throws java.io.IOException
        Specified by:
        write in class java.io.Writer
        Throws:
        java.io.IOException

      • markSavePoint

        public void markSavePoint()

      • restoreSavePoint

        public void restoreSavePoint()

      • commitSavePoint

        public void commitSavePoint()