de.mhus.lib.core.config

Class PropertiesConfig

java.lang.Object

de.mhus.lib.core.MLog

de.mhus.lib.core.lang.MObject

de.mhus.lib.core.IProperties

de.mhus.lib.core.directory.ResourceNode

de.mhus.lib.core.directory.WritableResourceNode

de.mhus.lib.core.config.IConfig

de.mhus.lib.core.config.PropertiesConfig

All Implemented Interfaces:

IFlatConfig, Iterable<Map.Entry<String,Object>>

Direct Known Subclasses:

DirConfig, NodeConfig, PropertiesConfigFile

public class PropertiesConfig
extends IConfig
implements IFlatConfig

Load the configuration from a properties file. The implementation do not support inner configurations.

Author:

mhu

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	changed
protected String	name
protected Properties	properties

Fields inherited from class de.mhus.lib.core.directory.WritableResourceNode

MOVE_DOWN, MOVE_FIRST, MOVE_LAST, MOVE_UP

Fields inherited from class de.mhus.lib.core.directory.ResourceNode

compiledCache, compiler

Constructor Summary

Constructors

Constructor and Description
PropertiesConfig()
PropertiesConfig(Properties config)
PropertiesConfig(String fill)

Method Summary

Methods

Modifier and Type	Method and Description
void	configRemoved()
WritableResourceNode	createConfig(String key) Create a new config and append it at the end of the list.
InputStream	getInputStream(String key) Return the input stream of a content resource.
String	getName() Return a name of this config element could also be null.
ResourceNode	getNode(String key) Returns a inner configuration by the name.
String[]	getNodeKeys() Return all possible, existing inner configuration names.
ResourceNode[]	getNodes() Return all inner configurations ignoring the name.
ResourceNode[]	getNodes(String key) Return all inner configurations by the given name.
WritableResourceNode	getParent() return the parent config if possible.
String	getProperty(String name) Overwrite this function to provide values in string format.
String[]	getPropertyKeys() Return all existing keys.
URL	getUrl()
boolean	isConfigChanged()
boolean	isEditable() Overwrite this function and return true if the property set can be edited.
boolean	isProperty(String name) Return true if the property exists.
int	moveConfig(ResourceNode config, int newPos) Move the position of the configuration in the hole set of configurations.
void	readConfig(Reader file)
void	removeConfig(ResourceNode config) Remove a config element from the set.
void	removeProperty(String key) Remove the property field in the list of properties.
void	setProperty(String key, Object value) Overwrite this function to allow changes in properties.
void	writeConfig(Writer os)

Methods inherited from class de.mhus.lib.core.directory.WritableResourceNode

setString

Methods inherited from class de.mhus.lib.core.directory.ResourceNode

getExtracted, getExtracted, getExtracted, getInputStream, keys

Methods inherited from class de.mhus.lib.core.IProperties

getBoolean, getBoolean, getCalendar, getDate, getDouble, getFloat, getInt, getLong, getNumber, getProperty, getString, getString, iterator, setBoolean, setCalendar, setDate, setDouble, setFloat, setInt, setLong, setNumber

Methods inherited from class de.mhus.lib.core.lang.MObject

base, base, createBase, forkBase, installBase, isBase, leaveBase, toString

Methods inherited from class de.mhus.lib.core.MLog

log

Methods inherited from class java.lang.Object

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

Field Detail

properties

protected Properties properties

changed

protected boolean changed

name

protected String name

Constructor Detail

PropertiesConfig

public PropertiesConfig()

PropertiesConfig

public PropertiesConfig(Properties config)

PropertiesConfig

public PropertiesConfig(String fill)

Method Detail

writeConfig

public void writeConfig(Writer os)
                 throws IOException

Throws:

IOException

readConfig

public void readConfig(Reader file)
                throws IOException

Throws:

IOException

configRemoved

public void configRemoved()

getNode

public ResourceNode getNode(String key)

Description copied from class: ResourceNode

Returns a inner configuration by the name. Inner configurations are not unique. If more then one configurations exists it will return the first one. if no configuration exists it returns null.

Specified by:

getNode in class ResourceNode

Returns:

getNodes

public ResourceNode[] getNodes(String key)

Description copied from class: ResourceNode

Return all inner configurations by the given name. The order is like in the configuration file. This never returns null.

Specified by:

getNodes in class ResourceNode

Returns:

getNodes

public ResourceNode[] getNodes()

Description copied from class: ResourceNode

Return all inner configurations ignoring the name. The order is like in the configuration file. This never returns null.

Specified by:

getNodes in class ResourceNode

Returns:

getNodeKeys

public String[] getNodeKeys()

Description copied from class: ResourceNode

Return all possible, existing inner configuration names.

Specified by:

getNodeKeys in class ResourceNode

Returns:

getPropertyKeys

public String[] getPropertyKeys()

Description copied from class: ResourceNode

Return all existing keys. A property key is unique.

Specified by:

getPropertyKeys in class ResourceNode

Returns:

getProperty

public String getProperty(String name)

Description copied from class: IProperties

Overwrite this function to provide values in string format.

Specified by:

getProperty in class IProperties

Returns:

null if the property not exists or the property value.

isProperty

public boolean isProperty(String name)

Description copied from class: IProperties

Return true if the property exists.

Specified by:

isProperty in class IProperties

Returns:

removeProperty

public void removeProperty(String key)

Description copied from class: IProperties

Remove the property field in the list of properties.

Specified by:

removeProperty in class IProperties

setProperty

public void setProperty(String key,
               Object value)

Description copied from class: IProperties

Overwrite this function to allow changes in properties.

Specified by:

setProperty in class IProperties

isConfigChanged

public boolean isConfigChanged()

getName

public String getName()

Description copied from class: ResourceNode

Return a name of this config element could also be null. The name most time is the name of a sub config.

Specified by:

getName in class ResourceNode

Returns:

createConfig

public WritableResourceNode createConfig(String key)
                                  throws de.mhus.lib.errors.MException

Description copied from class: WritableResourceNode

Create a new config and append it at the end of the list. After creation the element is already at the end of the list.

Specified by:

createConfig in class WritableResourceNode

Returns:

Throws:

de.mhus.lib.errors.MException - if editing is not possible

moveConfig

public int moveConfig(ResourceNode config,
             int newPos)
               throws de.mhus.lib.errors.MException

Description copied from class: WritableResourceNode

Move the position of the configuration in the hole set of configurations. If the config is not part of the set it will throw an exception. The first position is 0.

Specified by:

moveConfig in class WritableResourceNode

Parameters:

config - The config object which you want to move

newPos - Absolute new position or one of the move operators MOVE_UP, MOVE_DOWN, MOVE_FIRST, MOVE_LAST

Returns:

The new pos of the config

Throws:

de.mhus.lib.errors.MException - if editing is not possible or the position is out of range

removeConfig

public void removeConfig(ResourceNode config)
                  throws de.mhus.lib.errors.MException

Description copied from class: WritableResourceNode

Remove a config element from the set. If the config element is not part of the set it will not throw an error.

Specified by:

removeConfig in class WritableResourceNode

Parameters:

config - The config object which should be removed.

Throws:

de.mhus.lib.errors.MException - if editing is not possible

isEditable

public boolean isEditable()

Description copied from class: IProperties

Overwrite this function and return true if the property set can be edited.

Specified by:

isEditable in class IProperties

Returns:

getParent

public WritableResourceNode getParent()

Description copied from class: ResourceNode

return the parent config if possible.

Specified by:

getParent in class ResourceNode

Returns:

getInputStream

public InputStream getInputStream(String key)

Description copied from class: ResourceNode

Return the input stream of a content resource.

Specified by:

getInputStream in class ResourceNode

Parameters:

key - Name of a rendition or null for the default content

Returns:

getUrl

public URL getUrl()

Specified by:

getUrl in class ResourceNode