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org.apache.any23.configuration
Class DefaultConfiguration

java.lang.Object
  org.apache.any23.configuration.DefaultConfiguration

All Implemented Interfaces:

Configuration

Direct Known Subclasses:

DefaultModifiableConfiguration

public class DefaultConfiguration
extends Object
implements Configuration

Default implementation of Configuration. The default property values are read from the /default-configuration.properties properties file in classpath.

Author:

Michele Mostarda (michele.mostarda@gmail.com)

Field Summary

static String	DEFAULT_CONFIG_FILE Default configuration file.
static String	FLAG_PROPERTY_OFF
static String	FLAG_PROPERTY_ON
protected static org.slf4j.Logger	logger
protected Properties	properties
protected static DefaultConfiguration	singleton

Constructor Summary

protected

DefaultConfiguration(Properties properties)

Method Summary

static ModifiableConfiguration	copy()
boolean	defineProperty(String propertyName) Checks whether a property is defined or not in configuration.
String	getConfigurationDump() Returns a human readable string containing the configuration dump.
boolean	getFlagProperty(String propertyName) Returns the value of a flag property.
String[]	getProperties() Returns all the defined configuration properties.
String	getProperty(String propertyName, String defaultValue) Returns the value of a specified property, of the default value if property is not defined.
int	getPropertyIntOrFail(String propertyName) Returns the Integer value of the specified propertyName or raises an exception if propertyName is not defined.
String	getPropertyOrFail(String propertyName) Returns the value of the specified propertyName or raises an exception if propertyName is not defined.
static DefaultConfiguration	singleton()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CONFIG_FILE

public static final String DEFAULT_CONFIG_FILE

Default configuration file.

See Also:

Constant Field Values

FLAG_PROPERTY_ON

public static final String FLAG_PROPERTY_ON

See Also:

Constant Field Values

FLAG_PROPERTY_OFF

public static final String FLAG_PROPERTY_OFF

See Also:

Constant Field Values

logger

protected static final org.slf4j.Logger logger

singleton

protected static final DefaultConfiguration singleton

properties

protected final Properties properties

Constructor Detail

DefaultConfiguration

protected DefaultConfiguration(Properties properties)

Method Detail

singleton

public static DefaultConfiguration singleton()

Returns:

the singleton configuration instance. Such instance is unmodifiable.

copy

public static ModifiableConfiguration copy()

Returns:

a copy of the singleton instance. such instance is modifiable.

getProperties

public String[] getProperties()

Description copied from interface: Configuration

Returns all the defined configuration properties.

Specified by:

getProperties in interface Configuration

Returns:

list of defined properties.

defineProperty

public boolean defineProperty(String propertyName)

Description copied from interface: Configuration

Checks whether a property is defined or not in configuration.

Specified by:

defineProperty in interface Configuration

Parameters:

propertyName - name of property to check.

Returns:

true if defined, false otherwise.

getProperty

public String getProperty(String propertyName,
                          String defaultValue)

Description copied from interface: Configuration

Returns the value of a specified property, of the default value if property is not defined.

Specified by:

getProperty in interface Configuration

Parameters:

propertyName - name of property

defaultValue - default value if not found.

Returns:

the value associated to propertyName.

getPropertyOrFail

public String getPropertyOrFail(String propertyName)

Description copied from interface: Configuration

Returns the value of the specified propertyName or raises an exception if propertyName is not defined.

Specified by:

getPropertyOrFail in interface Configuration

Parameters:

propertyName - name of property to be returned.

Returns:

property value.

getPropertyIntOrFail

public int getPropertyIntOrFail(String propertyName)

Description copied from interface: Configuration

Returns the Integer value of the specified propertyName or raises an exception if propertyName is not defined.

Specified by:

getPropertyIntOrFail in interface Configuration

Parameters:

propertyName - name of property to be returned.

Returns:

property value.

getFlagProperty

public boolean getFlagProperty(String propertyName)

Description copied from interface: Configuration

Returns the value of a flag property. Such properties can assume only two values:

• on if flag is active (true is returned).
• off if flag is inactive (false is returned).

Specified by:

getFlagProperty in interface Configuration

Parameters:

propertyName - name of property flag.

Returns:

true for on, false for off.

getConfigurationDump

public String getConfigurationDump()

Description copied from interface: Configuration

Returns a human readable string containing the configuration dump.

Specified by:

getConfigurationDump in interface Configuration

Returns:

a string describing the configuration options.