org.apache.torque.generator.configuration

## Class AbstractConfigurationProvider

- java.lang.Object
- - org.apache.torque.generator.configuration.AbstractConfigurationProvider

- All Implemented Interfaces:
    ConfigurationProvider
  Direct Known Subclasses:
    ClasspathConfigurationProvider, DirectoryConfigurationProvider, JarConfigurationProvider

      public abstract class AbstractConfigurationProvider
      extends Object
      implements ConfigurationProvider

  A base class for all ConfigurationProvider implementations.
  Version:
    $Id$

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractConfigurationProvider(TorqueGeneratorPaths configurationPaths)` Constructor.

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `InputStream` | `getControlConfigurationInputStream()` Creates a reader to access the control configuration.
    `protected abstract InputStream` | `getInputStream(String name, String directory, String fileDescription)`
    `InputStream` | `getOptionsInputStream(String name)` Creates a reader to access an options file.
    `InputStream` | `getOutletConfigurationInputStream(String name)` Creates a reader to access the configuration for one outlet.
    `InputStream` | `getResourceInputStream(String name)` Creates a reader to access a resource file.
    `InputStream` | `getTemplateInputStream(String name)` Creates a reader to access a template.

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

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

    - ### Methods inherited from interface org.apache.torque.generator.configuration.ConfigurationProvider

      `getControlConfigurationLocation, getOutletConfigurationNames, getTemplateNames`

- - ### Constructor Detail

    - #### AbstractConfigurationProvider

          public AbstractConfigurationProvider(TorqueGeneratorPaths configurationPaths)

      Constructor.
      Parameters:
        `configurationPaths` - The internal directory structure of the Torque generator configuration files, not null.
      Throws:
        `NullPointerException` - if configurationPaths is null.

  - ### Method Detail

    - #### getControlConfigurationInputStream

          public InputStream getControlConfigurationInputStream()
                                                         throws ConfigurationException

      Description copied from interface: `ConfigurationProvider`
      Creates a reader to access the control configuration. It is the callers responsibility to close the reader after use.
      Specified by:
        `getControlConfigurationInputStream` in interface `ConfigurationProvider`
      Returns:
        a reader to access the control configuration, never null.
      Throws:
        `ConfigurationException` - if the reader can not be created.

    - #### getTemplateInputStream

          public InputStream getTemplateInputStream(String name)
                                             throws ConfigurationException

      Description copied from interface: `ConfigurationProvider`
      Creates a reader to access a template. It is the callers responsibility to close the reader after use.
      Specified by:
        `getTemplateInputStream` in interface `ConfigurationProvider`
      Parameters:
        `name` - the name (==path to) of the template.
      Returns:
        a reader to access a template, never null.
      Throws:
        `ConfigurationException` - if the reader can not be created.

    - #### getOutletConfigurationInputStream

          public InputStream getOutletConfigurationInputStream(String name)
                                                        throws ConfigurationException

      Description copied from interface: `ConfigurationProvider`
      Creates a reader to access the configuration for one outlet. It is the callers responsibility to close the reader after use.
      Specified by:
        `getOutletConfigurationInputStream` in interface `ConfigurationProvider`
      Parameters:
        `name` - the name (==path to) of the outlet configuration.
      Returns:
        a reader to access the outlet configuration, never null.
      Throws:
        `ConfigurationException` - if the reader can not be created.

    - #### getResourceInputStream

          public InputStream getResourceInputStream(String name)
                                             throws ConfigurationException

      Description copied from interface: `ConfigurationProvider`
      Creates a reader to access a resource file. It is the callers responsibility to close the reader after use.
      Specified by:
        `getResourceInputStream` in interface `ConfigurationProvider`
      Parameters:
        `name` - the path to of the resource file.
      Returns:
        a reader to access the options file, never null.
      Throws:
        `ConfigurationException` - if the reader can not be created.

    - #### getOptionsInputStream

          public InputStream getOptionsInputStream(String name)
                                            throws ConfigurationException

      Description copied from interface: `ConfigurationProvider`
      Creates a reader to access an options file. It is the callers responsibility to close the reader after use.
      Specified by:
        `getOptionsInputStream` in interface `ConfigurationProvider`
      Parameters:
        `name` - the name (==path to) of the options file.
      Returns:
        a reader to access the options file, never null.
      Throws:
        `ConfigurationException` - if the reader can not be created.

    - #### getInputStream

          protected abstract InputStream getInputStream(String name,
                                                        String directory,
                                                        String fileDescription)
                                                 throws ConfigurationException

      Parameters:
        `name` - input stream name
        `directory` - location
        `fileDescription` - describes the file
      Returns:
        an InputStream
      Throws:
        `ConfigurationException` - if unable to process

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