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https://issues.apache.org/jira/browse/LANG-867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell updated LANG-867:
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Fix Version/s: Patch Needed
> StrSubstitutor: Ability to turn off substitution in values
> ----------------------------------------------------------
>
> Key: LANG-867
> URL: https://issues.apache.org/jira/browse/LANG-867
> Project: Commons Lang
> Issue Type: Improvement
> Components: lang.text.*
> Reporter: Arend v. Reinersdorff
> Priority: Minor
> Labels: features
> Fix For: Patch Needed
>
>
> In StrSubstitutor variable replacement works in a recursive way. And
> currently there's no way to turn this off.
> Why turn it off: I want to replace some variables in a simple template. Some
> of the replacemnt values are arbitrary user input.
> At the moment I escape all dollar signs in the replacement values with "$$".
> This is annoying. Especially as I use one template with variables as a value
> for another variable. Here I have to escape twice.
> Here's some example code. At the moment it prints "Hello world". The
> commented line is my suggestion for this feature. If it works, it should
> print "Hello ${key2}":
> Map<String, String> valueMap = new HashMap<>();
> valueMap.put("key", "$${key2}");
> valueMap.put("key2", "world");
> String source = "Hello ${key}";
> StrSubstitutor strSubstitutor = new StrSubstitutor(valueMap);
> // strSubstitutor.setEnableSubstitutionInValues(false);
> System.out.println(strSubstitutor.replace(source));
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