org.apache.commons.configuration2

## Class PropertiesConfiguration.JupPropertiesReader

- java.lang.Object
- - java.io.Reader
  - - java.io.BufferedReader
    - - java.io.LineNumberReader
      - - org.apache.commons.configuration2.PropertiesConfiguration.PropertiesReader
        - - org.apache.commons.configuration2.PropertiesConfiguration.JupPropertiesReader

- All Implemented Interfaces:
    Closeable, AutoCloseable, Readable
  Enclosing class:
    PropertiesConfiguration

      public static class PropertiesConfiguration.JupPropertiesReader
      extends PropertiesConfiguration.PropertiesReader

  A `PropertiesConfiguration.PropertiesReader` that tries to mimic the behavior of `Properties`.
  Since:
    2.4

- - ### Field Summary

    - ### Fields inherited from class java.io.Reader

      `lock`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `JupPropertiesReader(Reader reader)` Constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `parseProperty(String line)` Parses a line read from the properties file.
    `String` | `readProperty()` Reads a property line.
    `protected String` | `unescapePropertyValue(String value)` Performs unescaping on the given property value.

    - ### Methods inherited from class org.apache.commons.configuration2.PropertiesConfiguration.PropertiesReader

      `getCommentLines, getPropertyName, getPropertySeparator, getPropertyValue, initPropertyName, initPropertySeparator, initPropertyValue, nextProperty, unescapePropertyName`

    - ### Methods inherited from class java.io.LineNumberReader

      `getLineNumber, mark, read, read, readLine, reset, setLineNumber, skip`

    - ### Methods inherited from class java.io.BufferedReader

      `close, lines, markSupported, ready`

    - ### Methods inherited from class java.io.Reader

      `read, read`

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

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

- - ### Constructor Detail

    - #### JupPropertiesReader

          public JupPropertiesReader(Reader reader)

      Constructor.
      Parameters:
        `reader` - A Reader.

  - ### Method Detail

    - #### readProperty

          public String readProperty()
                              throws IOException

      Description copied from class: `PropertiesConfiguration.PropertiesReader`
      Reads a property line. Returns null if Stream is at EOF. Concatenates lines ending with "\". Skips lines beginning with "#" or "!" and empty lines. The return value is a property definition (`<name>` = `<value>`)
      Overrides:
        `readProperty` in class `PropertiesConfiguration.PropertiesReader`
      Returns:
        A string containing a property value or null
      Throws:
        `IOException` - in case of an I/O error

    - #### parseProperty

          protected void parseProperty(String line)

      Description copied from class: `PropertiesConfiguration.PropertiesReader`
      Parses a line read from the properties file. This method is called for each non-comment line read from the source file. Its task is to split the passed in line into the property key and its value. The results of the parse operation can be stored by calling the `initPropertyXXX()` methods.
      Overrides:
        `parseProperty` in class `PropertiesConfiguration.PropertiesReader`
      Parameters:
        `line` - the line read from the properties file

    - #### unescapePropertyValue

          protected String unescapePropertyValue(String value)

      Description copied from class: `PropertiesConfiguration.PropertiesReader`
      Performs unescaping on the given property value.
      Overrides:
        `unescapePropertyValue` in class `PropertiesConfiguration.PropertiesReader`
      Parameters:
        `value` - the property value
      Returns:
        the unescaped property value

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