Arshad Basha created LANG-1306:
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Summary: Add nullToEmpty method in StringUtils
Key: LANG-1306
URL: https://issues.apache.org/jira/browse/LANG-1306
Project: Commons Lang
Issue Type: New Feature
Components: lang.*
Reporter: Arshad Basha
Priority: Minor
Fix For: 3.6
The nullToEmpty method will convert null reference to empty string, for non
null str it will return the str as it is (i.e. without striping or removing
space)
This method doesn't strips white-space nor removes control characters from the
start and end of the input string like StringUtils.stripToEmpty and
StringUtils.trimToEmpty methods.
This method will allow us to replace common code patterns like the following
from client side code:
1) if(str == null) { str = ""; }
2) return str == null ? "" : str;
Examples:
assertEquals("", StringUtils.nullToEmpty(null));
assertEquals("", StringUtils.nullToEmpty(""));
assertEquals("abc", StringUtils.nullToEmpty("abc"));
assertEquals(" abc", StringUtils.nullToEmpty(" abc"));
assertEquals("abc ", StringUtils.nullToEmpty("abc "));
assertEquals("abc\t", StringUtils.nullToEmpty("abc\t"));
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