org.apache.torque.generator.source.stream

## Class FileSource

- java.lang.Object
- - org.apache.torque.generator.source.SourceImpl
  - - org.apache.torque.generator.source.stream.FileSource

- All Implemented Interfaces:
    Source

      public class FileSource
      extends SourceImpl

  A Source which uses a file as input.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `FileSource(StreamSourceFormat format, File path, ControllerState controllerState)` Constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `SourceElement` | `createRootElement()` Reads and parses the input file and creates the element tree from it.
    `byte[]` | `getContentChecksum()` Returns the checksum of the content.
    `String` | `getDescription()` Returns the path of the file as a description.
    `Date` | `getLastModified()` Returns the date when the source was last modified.
    `File` | `getPath()` Returns the path to the source file.
    `File` | `getSourceFile()` Returns the source file, if it exists.
    `StreamSourceFormat` | `getSourceFormat()` Returns the format of the source.
    `String` | `toString()`

    - ### Methods inherited from class org.apache.torque.generator.source.SourceImpl

      `getRootElement`

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

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

- - ### Constructor Detail

    - #### FileSource

          public FileSource(StreamSourceFormat format,
                            File path,
                            ControllerState controllerState)

      Constructor.
      Parameters:
        `format` - the source format, not null.
        `path` - the path to the file to read, not null.
        `controllerState` - the controller state, not null.
      Throws:
        `NullPointerException` - if path or format is null.

  - ### Method Detail

    - #### getSourceFormat

          public StreamSourceFormat getSourceFormat()

      Returns the format of the source.
      Returns:
        the source format, not null.

    - #### getPath

          public File getPath()

      Returns the path to the source file.
      Returns:
        the path to the source file, not null.

    - #### createRootElement

          public SourceElement createRootElement()
                                          throws SourceException

      Reads and parses the input file and creates the element tree from it.
      Specified by:
        `createRootElement` in class `SourceImpl`
      Returns:
        the root element of the element tree.
      Throws:
        `SourceException` - if the input file cannot be read or parsed.

    - #### getDescription

          public String getDescription()

      Returns the path of the file as a description.
      Returns:
        path of the file, not null.
      See Also:
        `Source.getDescription()`

    - #### getSourceFile

          public File getSourceFile()

      Returns the source file, if it exists.
      Returns:
        the source file, or null if the source is not read from a file.

    - #### getLastModified

          public Date getLastModified()

      Returns the date when the source was last modified.
      Returns:
        the last modification date, or null when unknown.

    - #### getContentChecksum

          public byte[] getContentChecksum()

      Returns the checksum of the content.
      Returns:
        the md5 sum of the content, or null if the implementation does not support creating the checksum, or if the source is unread and reading the source fails.

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

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