public class DefaultPropertyPlaceholderResolver extends Object implements PropertyPlaceholderResolver
PropertyPlaceholderResolver.| Modifier and Type | Class and Description |
|---|---|
class |
DefaultPropertyPlaceholderResolver.PlaceholderSegment
A segment that represents one or more expressions
that should be searched for in the environment.
|
class |
DefaultPropertyPlaceholderResolver.RawSegment
A segment that represents static text.
|
static interface |
DefaultPropertyPlaceholderResolver.Segment
A segment of placeholder resolution.
|
| Modifier and Type | Field and Description |
|---|---|
static String |
PREFIX
Prefix for placeholder in properties.
|
static String |
SUFFIX
Suffix for placeholder in properties.
|
| Constructor and Description |
|---|
DefaultPropertyPlaceholderResolver(PropertyResolver environment,
ConversionService conversionService) |
| Modifier and Type | Method and Description |
|---|---|
List<DefaultPropertyPlaceholderResolver.Segment> |
buildSegments(String str)
Split a placeholder value into logic segments.
|
String |
getPrefix() |
protected <T> T |
resolveExpression(String context,
String expression,
Class<T> type)
Resolves a single expression.
|
Optional<String> |
resolvePlaceholders(String str)
Resolve the placeholders and return an Optional String if it was possible to resolve them.
|
<T> T |
resolveRequiredPlaceholder(String str,
Class<T> type)
Resolves the value of a single placeholder.
|
String |
resolveRequiredPlaceholders(String str)
Resolve the placeholders and return an Optional String if it was possible to resolve them.
|
public static final String PREFIX
public static final String SUFFIX
public DefaultPropertyPlaceholderResolver(PropertyResolver environment, ConversionService conversionService)
environment - The property resolver for the environmentconversionService - The conversion servicepublic String getPrefix()
getPrefix in interface PropertyPlaceholderResolverpublic Optional<String> resolvePlaceholders(String str)
PropertyPlaceholderResolverresolvePlaceholders in interface PropertyPlaceholderResolverstr - The placeholder to resolveOptional.empty() if resolution was not possiblepublic String resolveRequiredPlaceholders(String str) throws ConfigurationException
PropertyPlaceholderResolverresolveRequiredPlaceholders in interface PropertyPlaceholderResolverstr - The placeholder to resolveOptional.empty() if resolution was not possibleConfigurationException - If the placeholders could not be resolvedpublic <T> T resolveRequiredPlaceholder(String str, Class<T> type) throws ConfigurationException
PropertyPlaceholderResolverresolveRequiredPlaceholder in interface PropertyPlaceholderResolverT - The type the value should be converted tostr - The string containing the placeholdertype - The class of the typeConfigurationException - If multiple placeholders are found or
if the placeholder could not be converted to the requested typepublic List<DefaultPropertyPlaceholderResolver.Segment> buildSegments(String str)
str - The placeholder@Nullable protected <T> T resolveExpression(String context, String expression, Class<T> type)
T - The type the expression should be converted tocontext - The context of the expressionexpression - The expressiontype - The class