org.apache.jmeter.report.core

## Class AbstractSampleWriter

- java.lang.Object
- - org.apache.jmeter.report.core.SampleWriter
  - - org.apache.jmeter.report.core.AbstractSampleWriter

- All Implemented Interfaces:
    Closeable, AutoCloseable
  Direct Known Subclasses:
    CsvSampleWriter

      public abstract class AbstractSampleWriter
      extends SampleWriter

  Base class for implementing sample writer.

  Handles buffering and output writer replacement.

  When a writer is set on the sample writer any previous writer is flushed and closed before being replaced by the new one.

  Since:
    3.0

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected PrintWriter` | `writer` output writer to write samples to

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractSampleWriter()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `close()` This method is guaranteed to not throw any exception.
    `void` | `setOutputFile(File output)` Set the destination file in which this sample writer will write samples
    `void` | `setOutputStream(OutputStream out)` Instructs this sample writer to write samples on the specified output with UTG-8 encoding.
    `void` | `setWriter(Writer newWriter)` Set the new writer on which samples will be written by this sample writer.

    - ### Methods inherited from class org.apache.jmeter.report.core.SampleWriter

      `write`

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### writer

          protected PrintWriter writer

      output writer to write samples to

  - ### Constructor Detail

    - #### AbstractSampleWriter

          public AbstractSampleWriter()

  - ### Method Detail

    - #### setWriter

          public void setWriter(Writer newWriter)

      Set the new writer on which samples will be written by this sample writer.
      If any writer exists on the sample writer, it is flushed and closed before being replaced by the new one.
      Parameters:
        `newWriter` - The destination writer where samples will be written by this sample writer

    - #### setOutputStream

          public void setOutputStream(OutputStream out)

      Instructs this sample writer to write samples on the specified output with UTG-8 encoding. The encoding can be overridden by the user through `SaveService.getFileEncoding(String)`
      Parameters:
        `out` - The output stream on which sample should be written

    - #### setOutputFile

          public void setOutputFile(File output)

      Set the destination file in which this sample writer will write samples
      Parameters:
        `output` - The output file that will receive samples written by this sample writer

    - #### close

          public void close()

      This method is guaranteed to not throw any exception. If writer is already closed then does nothing.
      Any buffered data is flushed by this method.

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