org.apache.tools.ant.filters

## Class BaseParamFilterReader

- java.lang.Object
- - java.io.Reader
  - - java.io.FilterReader
    - - org.apache.tools.ant.filters.BaseFilterReader
      - - org.apache.tools.ant.filters.BaseParamFilterReader

- All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable, Parameterizable
  Direct Known Subclasses:
    ConcatFilter, EscapeUnicode, FixCrLfFilter, HeadFilter, LineContains, LineContainsRegExp, PrefixLines, ReplaceTokens, SortFilter, StripLineBreaks, StripLineComments, SuffixLines, TabsToSpaces, TailFilter

      public abstract class BaseParamFilterReader
      extends BaseFilterReader
      implements Parameterizable

  Parameterized base class for core filter readers.

- - ### Field Summary

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

      `in`

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

      `lock`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `BaseParamFilterReader()` Constructor for "dummy" instances.
    `BaseParamFilterReader(java.io.Reader in)` Creates a new filtered reader.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected Parameter[]` | `getParameters()` Returns the parameters to be used by this filter.
    `void` | `setParameters(Parameter[] parameters)` Sets the parameters used by this filter, and sets the filter to an uninitialized status.

    - ### Methods inherited from class org.apache.tools.ant.filters.BaseFilterReader

      `getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip`

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

      `close, mark, markSupported, read, ready, reset`

    - ### 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

    - #### BaseParamFilterReader

          public BaseParamFilterReader()

      Constructor for "dummy" instances.
      See Also:
        `BaseFilterReader.BaseFilterReader()`

    - #### BaseParamFilterReader

          public BaseParamFilterReader(java.io.Reader in)

      Creates a new filtered reader.
      Parameters:
        `in` - A Reader object providing the underlying stream. Must not be `null`.

  - ### Method Detail

    - #### setParameters

          public final void setParameters(Parameter[] parameters)

      Sets the parameters used by this filter, and sets the filter to an uninitialized status.
      Specified by:
        `setParameters` in interface `Parameterizable`
      Parameters:
        `parameters` - The parameters to be used by this filter. Should not be `null`.

    - #### getParameters

          protected final Parameter[] getParameters()

      Returns the parameters to be used by this filter.
      Returns:
        the parameters to be used by this filter