Package com.vaadin.flow.server

Class AbstractPropertyConfiguration

java.lang.Object

com.vaadin.flow.server.AbstractPropertyConfiguration

All Implemented Interfaces:

AbstractConfiguration, Serializable

Direct Known Subclasses:

AbstractDeploymentConfiguration, DefaultApplicationConfigurationFactory.ApplicationConfigurationImpl

public abstract class AbstractPropertyConfiguration
extends Object
implements AbstractConfiguration

Provides a configuration based on string properties.

Since:

Author:

Vaadin Ltd

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
AbstractPropertyConfiguration(Map<String,String> properties)	Creates a new instance with given properties.

Method Summary

Modifier and Type	Method	Description
<T> T	getApplicationOrSystemProperty(String propertyName, T defaultValue, Function<String,T> converter)	Gets a configured property.
String	getApplicationProperty(String parameterName)	Gets an application property value.
protected String	getApplicationProperty(Function<String,String> valueProvider, String propertyName)	Gets application property value using the valueProvider.
boolean	getBooleanProperty(String name, boolean defaultValue)	Gets a configured property as a boolean.
protected Map<String,String>	getProperties()	Gets unmodifiable underlying properties.
String	getStringProperty(String name, String defaultValue)	Gets a configured property as a string.
protected String	getSystemProperty(String parameterName)	Gets an system property value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.server.AbstractConfiguration

frontendHotdeploy, getBuildFolder, getJavaResourceFolder, getJavaSourceFolder, getMode, getProjectFolder, isGlobalPnpm, isPnpmEnabled, isProductionMode, isUsageStatisticsEnabled, isXsrfProtectionEnabled, reuseDevServer

Constructor Details

AbstractPropertyConfiguration

public AbstractPropertyConfiguration(Map<String,String> properties)

Creates a new instance with given properties.

Parameters:

properties - configuration properties

Method Details

getStringProperty

public String getStringProperty(String name,
 String defaultValue)

Description copied from interface: AbstractConfiguration

Gets a configured property as a string.

Specified by:

getStringProperty in interface AbstractConfiguration

Parameters:

name - The simple of the property, in some contexts, lookup might be performed using variations of the provided name.

defaultValue - the default value that should be used if no value has been defined

Returns:

the property value, or the passed default value if no property value is found

getBooleanProperty

public boolean getBooleanProperty(String name,
 boolean defaultValue)

Description copied from interface: AbstractConfiguration

Gets a configured property as a boolean.

Specified by:

getBooleanProperty in interface AbstractConfiguration

Parameters:

name - The simple of the property, in some contexts, lookup might be performed using variations of the provided name.

defaultValue - the default value that should be used if no value has been defined

Returns:

the property value, or the passed default value if no property value is found

getApplicationProperty

public String getApplicationProperty(String parameterName)

Gets an application property value.

Parameters:

parameterName - the Name or the parameter.

Returns:

String value or null if not found

getProperties

protected Map<String,String> getProperties()

Gets unmodifiable underlying properties.

Returns:

the properties map

getApplicationOrSystemProperty

public <T> T getApplicationOrSystemProperty(String propertyName,
 T defaultValue,
 Function<String,T> converter)

Gets a configured property. The properties are typically read from e.g. web.xml or from system properties of the JVM.

Type Parameters:

T - type of a property

Parameters:

propertyName - The simple of the property, in some contexts, lookup might be performed using variations of the provided name.

defaultValue - the default value that should be used if no value has been defined

converter - the way string should be converted into the required property

Returns:

the property value, or the passed default value if no property value is found

getSystemProperty

protected String getSystemProperty(String parameterName)

Gets an system property value.

Parameters:

parameterName - the Name or the parameter.

Returns:

String value or null if not found

getApplicationProperty

protected String getApplicationProperty(Function<String,String> valueProvider,
 String propertyName)

Gets application property value using the valueProvider.

Parameters:

valueProvider - a value provider for the property

propertyName - the name or the parameter.

Returns:

String value or null if not found