org.apache.lucene.util

## Class PrintStreamInfoStream

- java.lang.Object
- - org.apache.lucene.util.InfoStream
  - - org.apache.lucene.util.PrintStreamInfoStream

- All Implemented Interfaces:
    Closeable, AutoCloseable

      public class PrintStreamInfoStream
      extends InfoStream

  InfoStream implementation over a `PrintStream` such as `System.out`.
  NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected int` | `messageID`
    `protected PrintStream` | `stream`

    - ### Fields inherited from class org.apache.lucene.util.InfoStream

      `NO_OUTPUT`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `PrintStreamInfoStream(PrintStream stream)`
    `PrintStreamInfoStream(PrintStream stream, int messageID)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `close()`
    `protected String` | `getTimestamp()` Returns the current time as string for insertion into log messages.
    `boolean` | `isEnabled(String component)` returns true if messages are enabled and should be posted to `InfoStream.message(java.lang.String, java.lang.String)`.
    `boolean` | `isSystemStream()`
    `void` | `message(String component, String message)` prints a message

    - ### Methods inherited from class org.apache.lucene.util.InfoStream

      `getDefault, setDefault`

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

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

- - ### Field Detail

    - #### messageID

          protected final int messageID

    - #### stream

          protected final PrintStream stream

  - ### Constructor Detail

    - #### PrintStreamInfoStream

          public PrintStreamInfoStream(PrintStream stream)

    - #### PrintStreamInfoStream

          public PrintStreamInfoStream(PrintStream stream,
                                       int messageID)

  - ### Method Detail

    - #### message

          public void message(String component,
                              String message)

      Description copied from class: `InfoStream`
      prints a message
      Specified by:
        `message` in class `InfoStream`

    - #### isEnabled

          public boolean isEnabled(String component)

      Description copied from class: `InfoStream`
      returns true if messages are enabled and should be posted to `InfoStream.message(java.lang.String, java.lang.String)`.
      Specified by:
        `isEnabled` in class `InfoStream`

    - #### close

          public void close()
                     throws IOException

      Throws:
        `IOException`

    - #### isSystemStream

          public boolean isSystemStream()

    - #### getTimestamp

          protected String getTimestamp()

      Returns the current time as string for insertion into log messages.

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