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java.lang.Objectorg.apache.logging.log4j.core.helpers.Strings
public class Strings
Constructor Summary | |
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Strings()
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Method Summary | |
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static boolean |
isEmpty(CharSequence cs)
Checks if a CharSequence is empty ("") or null. |
static boolean |
isNotEmpty(CharSequence cs)
Checks if a CharSequence is not empty ("") and not null. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Strings()
Method Detail |
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public static boolean isEmpty(CharSequence cs)
Checks if a CharSequence is empty ("") or null.
Strings.isEmpty(null) = true Strings.isEmpty("") = true Strings.isEmpty(" ") = false Strings.isEmpty("bob") = false Strings.isEmpty(" bob ") = false
NOTE: This method changed in Lang version 2.0. It no longer trims the CharSequence. That functionality is available in isBlank().
Copied from Apache Commons Lang org.apache.commons.lang3.StringUtils.isEmpty(CharSequence)
cs
- the CharSequence to check, may be null
true
if the CharSequence is empty or nullpublic static boolean isNotEmpty(CharSequence cs)
Checks if a CharSequence is not empty ("") and not null.
StringUtils.isNotEmpty(null) = false StringUtils.isNotEmpty("") = false StringUtils.isNotEmpty(" ") = true StringUtils.isNotEmpty("bob") = true StringUtils.isNotEmpty(" bob ") = true
Copied from Apache Commons Lang org.apache.commons.lang3.StringUtils.isNotEmpty(CharSequence)
cs
- the CharSequence to check, may be null
true
if the CharSequence is not empty and not null
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