org.apache.uima.pear.tools

## Interface InstallationController.PackageSelector

- All Known Implementing Classes:
    PackageSelectorGUI, SimplePackageSelector
  Enclosing class:
    InstallationController

      public static interface InstallationController.PackageSelector

  The `PackageSelector` interface defines methods required for manually or automatically selecting installed PEAR package root directories and PEAR package files.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `File` | `selectPackageDirectory(String componentId)` Selects root directory of an installed PEAR package in the local file system.
    `File` | `selectPackageFile(String componentId)` Selects a PEAR package file in the local file system.
    `URL` | `selectPackageUrl(String componentId)` Selects a PEAR package URL in the network.

- - ### Method Detail

    - #### selectPackageDirectory

          File selectPackageDirectory(String componentId)

      Selects root directory of an installed PEAR package in the local file system. If the given component is not installed yet, returns `null`.
      Parameters:
        `componentId` - The ID of the given installed component.
      Returns:
        The root directory of the installed PEAR package, or `null`, if the given component is not installed yet.

    - #### selectPackageFile

          File selectPackageFile(String componentId)

      Selects a PEAR package file in the local file system. If the given component PEAR file is not found, returns `null`.
      Parameters:
        `componentId` - The ID of the given component.
      Returns:
        The given PEAR package file, or `null`, if the PEAR file is not found in the local file system.

    - #### selectPackageUrl

          URL selectPackageUrl(String componentId)

      Selects a PEAR package URL in the network. If the given component PEAR package URL is not found, returns `null`.
      Parameters:
        `componentId` - The ID of the given component.
      Returns:
        The given PEAR package URL, or `null`, if the PEAR package URL is not found.

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