io.dropwizard.configuration

Class EnvironmentVariableSubstitutor

java.lang.Object

org.apache.commons.text.StringSubstitutor

io.dropwizard.configuration.EnvironmentVariableSubstitutor

public class EnvironmentVariableSubstitutor
extends org.apache.commons.text.StringSubstitutor

A custom StringSubstitutor using environment variables as lookup source.

Field Summary

Fields inherited from class org.apache.commons.text.StringSubstitutor

DEFAULT_ESCAPE, DEFAULT_PREFIX, DEFAULT_SUFFIX, DEFAULT_VALUE_DELIMITER, DEFAULT_VAR_DEFAULT, DEFAULT_VAR_END, DEFAULT_VAR_START

Constructor Summary

Constructors

Constructor and Description
EnvironmentVariableSubstitutor()
EnvironmentVariableSubstitutor(boolean strict)
EnvironmentVariableSubstitutor(boolean strict, boolean substitutionInVariables)

Method Summary

Modifier and Type	Method and Description
protected boolean	substitute(org.apache.commons.text.TextStringBuilder buf, int offset, int length)

Methods inherited from class org.apache.commons.text.StringSubstitutor

createInterpolator, getEscapeChar, getStringLookup, getValueDelimiterMatcher, getVariablePrefixMatcher, getVariableSuffixMatcher, isDisableSubstitutionInValues, isEnableSubstitutionInVariables, isEnableUndefinedVariableException, isPreserveEscapes, replace, replace, replace, replace, replace, replace, replace, replace, replace, replace, replace, replace, replace, replace, replaceIn, replaceIn, replaceIn, replaceIn, replaceIn, replaceIn, replaceSystemProperties, resolveVariable, setDisableSubstitutionInValues, setEnableSubstitutionInVariables, setEnableUndefinedVariableException, setEscapeChar, setPreserveEscapes, setValueDelimiter, setValueDelimiter, setValueDelimiterMatcher, setVariablePrefix, setVariablePrefix, setVariablePrefixMatcher, setVariableResolver, setVariableSuffix, setVariableSuffix, setVariableSuffixMatcher

Methods inherited from class java.lang.Object

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

Constructor Detail

EnvironmentVariableSubstitutor

public EnvironmentVariableSubstitutor()

EnvironmentVariableSubstitutor

public EnvironmentVariableSubstitutor(boolean strict)

EnvironmentVariableSubstitutor

public EnvironmentVariableSubstitutor(boolean strict,
                                      boolean substitutionInVariables)

Parameters:

strict - true if looking up undefined environment variables should throw a UndefinedEnvironmentVariableException, false otherwise.

substitutionInVariables - a flag whether substitution is done in variable names.

See Also:

StringSubstitutor.setEnableSubstitutionInVariables(boolean)

Method Detail

substitute

protected boolean substitute(org.apache.commons.text.TextStringBuilder buf,
                             int offset,
                             int length)

Overrides:

substitute in class org.apache.commons.text.StringSubstitutor