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Zeta Components Manual :: Docs For Class ezcConfigurationFileReader

Configuration::ezcConfigurationFileReader

Class ezcConfigurationFileReader

ezcConfigurationFileReader class provides the functionality for reading file based configuration formats.

This class implements most of the interface of ezcConfigurationReader and makes it easier to work on file based configuration. All methods except load() and validate() are implemented by this class, so a subclass only needs to handle the actual serialization.

Source for this file: /Configuration/src/file_reader.php

ezcConfigurationReader
   |
   --ezcConfigurationFileReader

Version:

//autogen//

Descendants

Child Class	Description
ezcConfigurationArrayReader	This class provides functionality for reading files containing specific PHP arrays into ezcConfiguration objects.
ezcConfigurationIniReader	ezcConfigurationIniReader provides functionality for reading INI files into ezcConfiguration objects.

Member Variables

protected ezcConfiguration	`$config = false` Contains the configuration object that was read from the file with load().
protected string	`$location = ''` The current location of the config, this is either the path on the filesystem or a PHP stream prefix.
protected string	`$name = ''` The base name of the configuration file, the suffix will be appended to this to find the real filename.
protected array	`$options = array()` Current options for the reader. See the specific reader to see which options it supports.
protected string	`$path = ''` The path to the file which will contain the serialized configuration data.

Method Summary

public ezcConfigurationFileReader	`__construct( [ $path = null] )` Constructs the reader object.
public bool	`configExists( )` Returns true if the configuration exists.
public ezcConfiguration	`getConfig( )` Returns the current configuration object.
public string	`getLocation( )` Returns the current location string.
public string	`getName( )` Returns the current name for the configuration to be read.
public array	`getOptions( )` Returns the current options for the reader.
public int	`getTimestamp( )` Returns the last modified timestamp.
public void	`init( $location , $name , [ $options = array()] )` Initializes the reader with a location and a name. These values determine where the configuration will be serialized.
protected void	`parseLocationPath( $path , $suffix )` Parses a the path $path and sets the location and name properties on this object.
public void	`setOptions( $configurationData )` Sets the options $configurationData.

Inherited Methods

From ezcConfigurationReader
public abstract bool	`ezcConfigurationReader::configExists()` Checks if the configuration exists.
public abstract ezcConfiguration	`ezcConfigurationReader::getConfig()` Returns the current configuration object.
public abstract string	`ezcConfigurationReader::getLocation()` Returns the current location string.
public abstract string	`ezcConfigurationReader::getName()` Returns the name of the configuration to be read.
public abstract array	`ezcConfigurationReader::getOptions()` Returns the options for the reader.
protected abstract string	`ezcConfigurationReader::getSuffix()` Returns the suffix used in the storage filename.
public abstract mixed	`ezcConfigurationReader::getTimestamp()` Returns the last modified timestamp.
public abstract void	`ezcConfigurationReader::init()` Initializes the reader with a $location and a $name.
public abstract ezcConfiguration	`ezcConfigurationReader::load()` Loads the current config object.
public abstract void	`ezcConfigurationReader::setOptions()` Sets the options $options for the reader.
public abstract ezcConfigurationValidationResult	`ezcConfigurationReader::validate()` Validates the configuration.

Methods

__construct

ezcConfigurationFileReader __construct( [string $path = null] )

Constructs the reader object.

$path must contain the relative or absolute path to the configuration file. You can use PHP streams, e.g compress.gz://site.ini.gz.

After construction call load() to parse the INI file from disk and return a configuration object.

Parameters:

Name	Type	Description
`$path`	string

configExists

bool configExists( )

Returns true if the configuration exists.

Redefinition of:

Method	Description
`ezcConfigurationReader::configExists()`	Checks if the configuration exists.

getConfig

ezcConfiguration getConfig( )

Returns the current configuration object.

Returns false if there no current configuration.

Redefinition of:

Method	Description
`ezcConfigurationReader::getConfig()`	Returns the current configuration object.

getLocation

string getLocation( )

Returns the current location string.

Redefinition of:

Method	Description
`ezcConfigurationReader::getLocation()`	Returns the current location string.

getName

string getName( )

Returns the current name for the configuration to be read.

Redefinition of:

Method	Description
`ezcConfigurationReader::getName()`	Returns the name of the configuration to be read.

getOptions

array getOptions( )

Returns the current options for the reader.

Redefinition of:

Method	Description
`ezcConfigurationReader::getOptions()`	Returns the options for the reader.

getTimestamp

int getTimestamp( )

Returns the last modified timestamp.

Returns false if there is not last current timestamp.

Redefinition of:

Method	Description
`ezcConfigurationReader::getTimestamp()`	Returns the last modified timestamp.

init

void init( string $location , string $name , [ $options = array()] )

Initializes the reader with a location and a name. These values determine where the configuration will be serialized.

Parameters:

Name	Type	Description
`$location`	string	The main placement for the configuration. It is up to the specific reader to interpret this value. This can for instance be used to determine the directory location for an INI file.
`$name`	string	The name for the configuration. It is up to the specific reader to interpret this value. This can for instance be the basename for the INI file, so a value of 'site' would create a file with name 'site.ini'.
`$options`	array	An associative array of options for the reader. Which options to use is determined by the specific reader class.

Redefinition of:

Method	Description
`ezcConfigurationReader::init()`	Initializes the reader with a $location and a $name.

parseLocationPath

void parseLocationPath( string $path , string $suffix )

Parses a the path $path and sets the location and name properties on this object.

ezcConfigurationFileWriter::parseLocationPath() has the same code. It is duplicated to prevent complex OO hacks.

Parameters:

Name	Type	Description
`$path`	string
`$suffix`	string

Exceptions:

Type	Description
`ezcConfigurationException`	if the configuration file has the wrong suffix.

setOptions

void setOptions( array(string=>mixed) $configurationData )

Sets the options $configurationData.

The options are specified in a associative array in the form 'optionName' => value.

Parameters:

Name	Type	Description
`$configurationData`	array(string=>mixed)

Exceptions:

Type	Description
`ezcBaseSettingValueException`	if you specify a value out of range for a setting.
`ezcBaseSettingNotFoundException`	if you try to set a non existent setting.

Redefinition of:

Method	Description
`ezcConfigurationReader::setOptions()`	Sets the options $options for the reader.

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