Package generic.io

Class NullWriter

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.Appendable, java.lang.AutoCloseable
    public class NullWriter
extends java.io.Writer
    An implementation of Writer to use when you wish to not use any writing, but to also avoid null checks.

    • Field Summary

      • Fields inherited from class java.io.Writer

        lock

    • Constructor Summary

      Constructors 
      Constructor Description
      NullWriter()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.io.Writer append​(char c)  
      java.io.Writer append​(java.lang.CharSequence csq)  
      java.io.Writer append​(java.lang.CharSequence csq, int start, int end)  
      void close()  
      void flush()  
      void write​(char[] cbuf)  
      void write​(char[] cbuf, int off, int len)  
      void write​(int c)  
      void write​(java.lang.String str)  
      void write​(java.lang.String str, int off, int len)  

      • Methods inherited from class java.io.Writer

        nullWriter

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • NullWriter

        public NullWriter()

    • Method Detail

      • 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

      • write

        public void write​(int c)
           throws java.io.IOException
        Overrides:
        write in class java.io.Writer
        Throws:
        java.io.IOException

      • write

        public void write​(char[] cbuf)
           throws java.io.IOException
        Overrides:
        write in class java.io.Writer
        Throws:
        java.io.IOException

      • write

        public void write​(java.lang.String str)
           throws java.io.IOException
        Overrides:
        write in class java.io.Writer
        Throws:
        java.io.IOException

      • write

        public void write​(java.lang.String str,
                  int off,
                  int len)
           throws java.io.IOException
        Overrides:
        write in class java.io.Writer
        Throws:
        java.io.IOException

      • append

        public java.io.Writer append​(java.lang.CharSequence csq)
                      throws java.io.IOException
        Specified by:
        append in interface java.lang.Appendable
        Overrides:
        append in class java.io.Writer
        Throws:
        java.io.IOException

      • append

        public java.io.Writer append​(java.lang.CharSequence csq,
                             int start,
                             int end)
                      throws java.io.IOException
        Specified by:
        append in interface java.lang.Appendable
        Overrides:
        append in class java.io.Writer
        Throws:
        java.io.IOException

      • append

        public java.io.Writer append​(char c)
                      throws java.io.IOException
        Specified by:
        append in interface java.lang.Appendable
        Overrides:
        append 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

      • 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