io.micronaut.context.env

Class DefaultPropertyPlaceholderResolver

java.lang.Object

io.micronaut.context.env.DefaultPropertyPlaceholderResolver

All Implemented Interfaces:

PropertyPlaceholderResolver

public class DefaultPropertyPlaceholderResolver
extends Object
implements PropertyPlaceholderResolver

The default PropertyPlaceholderResolver.

Since:

1.0

Author:

graemerocher

Nested Class Summary

Nested classes/interfaces inherited from interface io.micronaut.context.env.PropertyPlaceholderResolver

PropertyPlaceholderResolver.Placeholder

Field Summary

Fields

Modifier and Type	Field and Description
static String	PREFIX Prefix for placeholder in properties.
static String	SUFFIX Suffix for placeholder in properties.

Constructor Summary

Constructors

Constructor and Description
DefaultPropertyPlaceholderResolver(PropertyResolver environment)

Method Summary

Modifier and Type	Method and Description
String	getPrefix()
Optional<String>	resolvePlaceholders(String str) Resolve the placeholders and return an Optional String if it was possible to resolve them.
protected boolean	resolveReplacement(StringBuilder builder, String str, String expr) Resolves a replacement for the given expression.
String	resolveRequiredPlaceholders(String str) Resolve the placeholders and return an Optional String if it was possible to resolve them.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.context.env.PropertyPlaceholderResolver

resolvePropertyNames

Field Detail

PREFIX

public static final String PREFIX

Prefix for placeholder in properties.

See Also:

Constant Field Values

SUFFIX

public static final String SUFFIX

Suffix for placeholder in properties.

See Also:

Constant Field Values

Constructor Detail

DefaultPropertyPlaceholderResolver

public DefaultPropertyPlaceholderResolver(PropertyResolver environment)

Parameters:

environment - The property resolver for the environment

Method Detail

getPrefix

public String getPrefix()

Specified by:

getPrefix in interface PropertyPlaceholderResolver

Returns:

The prefix used

resolvePlaceholders

public Optional<String> resolvePlaceholders(String str)

Description copied from interface: PropertyPlaceholderResolver

Resolve the placeholders and return an Optional String if it was possible to resolve them.

Specified by:

resolvePlaceholders in interface PropertyPlaceholderResolver

Parameters:

str - The placeholder to resolve

Returns:

The optional string or Optional.empty() if resolution was not possible

resolveRequiredPlaceholders

public String resolveRequiredPlaceholders(String str)
                                   throws ConfigurationException

Description copied from interface: PropertyPlaceholderResolver

Resolve the placeholders and return an Optional String if it was possible to resolve them.

Specified by:

resolveRequiredPlaceholders in interface PropertyPlaceholderResolver

Parameters:

str - The placeholder to resolve

Returns:

The optional string or Optional.empty() if resolution was not possible

Throws:

ConfigurationException - If the placeholders could not be resolved

resolveReplacement

protected boolean resolveReplacement(StringBuilder builder,
                                     String str,
                                     String expr)

Resolves a replacement for the given expression. Returning true if the replacement was resolved.

Parameters:

builder - The builder

str - The full string

expr - The current expression

Returns:

True if a placeholder was resolved