Package org.apache.tools.ant.filters.util

# Class ChainReaderHelper

java.lang.Object
org.apache.tools.ant.filters.util.ChainReaderHelper

    public final class ChainReaderHelper
    extends java.lang.Object

Process a FilterReader chain.

- ## Nested Class Summary

  Nested Classes
  Modifier and Type | Class | Description
  --- | --- | ---
  `class` | `ChainReaderHelper.ChainReader` | Created type.

- ## Field Summary

  Fields
  Modifier and Type | Field | Description
  --- | --- | ---
  `int` | `bufferSize` | The size of the buffer to be used.
  `java.util.Vector<FilterChain>` | `filterChains` | Chain of filters
  `java.io.Reader` | `primaryReader` | The primary reader to which the reader chain is to be attached.

- ## Constructor Summary

  Constructors
  Constructor | Description
  --- | ---
  `ChainReaderHelper()` | Default constructor.
  `ChainReaderHelper​(Project project, java.io.Reader primaryReader, java.lang.Iterable<FilterChain> filterChains)` | Convenience constructor.

- ## Method Summary

  Modifier and Type | Method | Description
  --- | --- | ---
  `ChainReaderHelper.ChainReader` | `getAssembledReader()` | Assemble the reader
  `Project` | `getProject()` | Get the project
  `java.lang.String` | `readFully​(java.io.Reader rdr)` | Read data from the reader and return the contents as a string.
  `void` | `setBufferSize​(int size)` | Sets the buffer size to be used.
  `void` | `setFilterChains​(java.util.Vector<FilterChain> fchain)` | Sets the collection of filter reader sets
  `void` | `setPrimaryReader​(java.io.Reader rdr)` | Sets the primary `Reader`
  `void` | `setProject​(Project project)` | Set the project to work with
  `ChainReaderHelper` | `with​(java.util.function.Consumer<ChainReaderHelper> consumer)` | Fluent mechanism to apply some `Consumer`.
  `ChainReaderHelper` | `withBufferSize​(int size)` | Fluent buffer size mutator.
  `ChainReaderHelper` | `withFilterChains​(java.lang.Iterable<FilterChain> filterChains)` | Fluent `filterChains` mutator.
  `ChainReaderHelper` | `withPrimaryReader​(java.io.Reader rdr)` | Fluent primary `Reader` mutator.
  `ChainReaderHelper` | `withProject​(Project project)` | Fluent `Project` mutator.

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

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

- ## Field Details

  - ### primaryReader

    public java.io.Reader primaryReader
    The primary reader to which the reader chain is to be attached.

  - ### bufferSize

    public int bufferSize
    The size of the buffer to be used.

  - ### filterChains

    public java.util.Vector<FilterChain> filterChains
    Chain of filters

- ## Constructor Details

  - ### ChainReaderHelper

    public ChainReaderHelper()
    Default constructor.

  - ### ChainReaderHelper

    public ChainReaderHelper​(Project project, java.io.Reader primaryReader, java.lang.Iterable<FilterChain> filterChains)
    Convenience constructor.
    Parameters:
      `project` - ditto
      `primaryReader` - ditto
      `filterChains` - ditto

- ## Method Details

  - ### setPrimaryReader

    public void setPrimaryReader​(java.io.Reader rdr)
    Sets the primary `Reader`
    Parameters:
      `rdr` - the reader object

  - ### withPrimaryReader

    public ChainReaderHelper withPrimaryReader​(java.io.Reader rdr)
    Fluent primary `Reader` mutator.
    Parameters:
      `rdr` - Reader
    Returns:
      `this`

  - ### setProject

    public void setProject​(Project project)
    Set the project to work with
    Parameters:
      `project` - the current project

  - ### withProject

    public ChainReaderHelper withProject​(Project project)
    Fluent `Project` mutator.
    Parameters:
      `project` - ditto
    Returns:
      `this`

  - ### getProject

    public Project getProject()
    Get the project
    Returns:
      the current project

  - ### setBufferSize

    public void setBufferSize​(int size)
    Sets the buffer size to be used. Defaults to 8192, if this method is not invoked.
    Parameters:
      `size` - the buffer size to use

  - ### withBufferSize

    public ChainReaderHelper withBufferSize​(int size)
    Fluent buffer size mutator.
    Parameters:
      `size` - ditto
    Returns:
      `this`

  - ### setFilterChains

    public void setFilterChains​(java.util.Vector<FilterChain> fchain)
    Sets the collection of filter reader sets
    Parameters:
      `fchain` - the filter chains collection

  - ### withFilterChains

    public ChainReaderHelper withFilterChains​(java.lang.Iterable<FilterChain> filterChains)
    Fluent `filterChains` mutator.
    Parameters:
      `filterChains` - ditto
    Returns:
      `this`

  - ### with

    public ChainReaderHelper with​(java.util.function.Consumer<ChainReaderHelper> consumer)
    Fluent mechanism to apply some `Consumer`.
    Parameters:
      `consumer` - ditto
    Returns:
      `this`

  - ### getAssembledReader

    public ChainReaderHelper.ChainReader getAssembledReader() throws BuildException
    Assemble the reader
    Returns:
      the assembled reader
    Throws:
      `BuildException` - if an error occurs

  - ### readFully

    public java.lang.String readFully​(java.io.Reader rdr) throws java.io.IOException
    Read data from the reader and return the contents as a string.
    Parameters:
      `rdr` - the reader object
    Returns:
      the contents of the file as a string
    Throws:
      `java.io.IOException` - if an error occurs