Implement changes to StringUtils.isEmpty and friends

This is an incompatible change for isEmpty and isNotEmpty from 1.0


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137441 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne 2003-07-16 21:19:22 +00:00
parent 25b9bd6244
commit f59fb46272
6 changed files with 242 additions and 62 deletions

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@ -1,4 +1,4 @@
$Id: RELEASE-NOTES.txt,v 1.11 2003/07/15 23:42:13 scolebourne Exp $
$Id: RELEASE-NOTES.txt,v 1.12 2003/07/16 21:19:22 scolebourne Exp $
Commons Lang Package
Version 2.0
@ -11,6 +11,16 @@ This document contains the release notes for this version of the Commons
Lang package. Commons Lang is a set of utility functions and reusable
components that should be a help in any Java environment.
INCOMPATIBLE CHANGES:
Some StringUtils methods have changed functionality from 1.0.
isEmpty()
isNotEmpty()
chomp(String)
chomp(String,String)
Check your code before implementing this release.
NEW FEATURES:
Since the release of the 1.0 package the following classes have been added:
@ -63,9 +73,11 @@ lang:
SerializationUtils:
added empty constructor
StringUtils:
isEmpty() changed to not trim.
isEmpty() changed to not trim and return false for null.
isNotEmpty() changed return true for null.
chomp() changed to be more like Perl.
Twenty-one new methods.
Various methods changed in the handling of null (less exceptions).
Thirty-one new methods.
Eight methods deprecated.
SystemUtils:
isJavaVersionAtLeast(int) added. getJavaVersion() deprecated.
@ -150,6 +162,7 @@ lang:
NumberUtils:
now deprecated, see math subpackage
CHANGES: [In 'diff' format]
Jar changes
@ -248,8 +261,12 @@ org.apache.commons.lang.StringUtils
--------------------
> public static java.lang.String trimToNull(java.lang.String);
> public static java.lang.String trimToEmpty(java.lang.String);
> public static boolean isEmptyOrNull(java.lang.String);
> public static boolean isNotEmptyOrNull(java.lang.String);
> public static boolean isEmptyTrimmed(java.lang.String);
> public static boolean isNotEmptyTrimmed(java.lang.String);
> public static boolean isEmptyTrimmedOrNull(java.lang.String);
> public static boolean isNotEmptyTrimmedOrNull(java.lang.String);
> public static java.lang.String join(java.lang.Object[], char);
> public static java.lang.String join(java.util.Iterator, char);
> public static java.lang.String slice(java.lang.String);
@ -268,16 +285,12 @@ org.apache.commons.lang.StringUtils
> public static boolean containsOnly(java.lang.String, java.lang.String);
> public static boolean containsNone(java.lang.String, java.lang.String);
> public static boolean containsNone(java.lang.String, char[]);
> public static boolean containsOnly(java.lang.String, char[]);
> public static int indexOfAnyBut(java.lang.String, char[]);
> public static int indexOfAnyBut(java.lang.String, java.lang.String);
> public static java.lang.String defaultString(java.lang.Object);
> public static java.lang.String defaultString(java.lang.Object, java.lang.String);
> public static java.lang.String abbreviate(java.lang.String, int);
> public static java.lang.String abbreviate(java.lang.String, int, int);
> public static java.lang.String difference(java.lang.String, java.lang.String);
> public static int differenceAt(java.lang.String, java.lang.String);
< public static boolean containsOnly(java.lang.String, char[]);
---
> static {};

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@ -62,7 +62,7 @@ import java.util.List;
* @author Stephen Colebourne
* @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
* @since 2.0
* @version $Id: ClassUtils.java,v 1.14 2003/07/16 00:39:05 scolebourne Exp $
* @version $Id: ClassUtils.java,v 1.15 2003/07/16 21:19:22 scolebourne Exp $
*/
public class ClassUtils {
@ -133,12 +133,13 @@ public class ClassUtils {
*
* <p>The string passed in is assumed to be a class name - it is not checked.</p>
*
* @param className the className to get the short name for, must not be empty
* @param className the className to get the short name for,
* must not be empty or <code>null</code>
* @return the class name of the class without the package name
* @throws IllegalArgumentException if the className is empty
*/
public static String getShortClassName(String className) {
if (StringUtils.isEmpty(className)) {
if (StringUtils.isEmptyOrNull(className)) {
throw new IllegalArgumentException("The class name must not be empty");
}
char[] chars = className.toCharArray();
@ -172,8 +173,8 @@ public class ClassUtils {
/**
* <p>Gets the package name of a <code>Class</code>.</p>
*
* @param cls the class to get the package name for, must not be
* <code>null</code>
* @param cls the class to get the package name for,
* must not be <code>null</code>
* @return the package name
* @throws IllegalArgumentException if the class is <code>null</code>
*/
@ -189,12 +190,13 @@ public class ClassUtils {
*
* <p>The string passed in is assumed to be a class name - it is not checked.</p>
*
* @param className the className to get the package name for, must not be empty
* @param className the className to get the package name for,
* must not be empty or <code>null</code>
* @return the package name
* @throws IllegalArgumentException if the className is empty
*/
public static String getPackageName(String className) {
if (StringUtils.isEmpty(className)) {
if (StringUtils.isEmptyOrNull(className)) {
throw new IllegalArgumentException("The class name must not be empty");
}
int i = className.lastIndexOf(PACKAGE_SEPARATOR_CHAR);

View File

@ -90,7 +90,7 @@ import org.apache.commons.lang.math.NumberUtils;
* @author Arun Mammen Thomas
* @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
* @since 1.0
* @version $Id: StringUtils.java,v 1.57 2003/07/16 20:19:24 scolebourne Exp $
* @version $Id: StringUtils.java,v 1.58 2003/07/16 21:19:22 scolebourne Exp $
*/
public class StringUtils {
@ -129,16 +129,16 @@ public class StringUtils {
//--------------------------------------------------------------------------
/**
* <p>Removes control characters, including whitespace, from both
* <p>Removes control characters (char &lt;= 32) from both
* ends of this String, handling <code>null</code> by returning
* an empty String ("").</p>
*
* <pre>
* StringUtils.clean(null) = ""
* StringUtils.clean("abc") = "abc"
* StringUtils.clean(" abc ") = "abc"
* StringUtils.clean(" ") = ""
* StringUtils.clean("") = ""
* StringUtils.clean(null) = ""
* </pre>
*
* @see java.lang.String#trim()
@ -152,18 +152,19 @@ public class StringUtils {
}
/**
* <p>Removes control characters, including whitespace, from both
* <p>Removes control characters (char &lt;= 32) from both
* ends of this String, handling <code>null</code> by returning
* <code>null</code>.</p>
*
* <p>The string is trimmed using {@link String#trim()}.</p>
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.trim(null) = null
* StringUtils.trim("abc") = "abc"
* StringUtils.trim(" abc ") = "abc"
* StringUtils.trim(" ") = ""
* StringUtils.trim("") = ""
* StringUtils.trim(null) = null
* </pre>
*
* @see java.lang.String#trim()
@ -176,18 +177,19 @@ public class StringUtils {
}
/**
* <p>Removes control characters, including whitespace, from both
* <p>Removes control characters (char &lt;= 32) from both
* ends of this string returning <code>null</code> if the string is
* empty ("") after the trim or if it is <code>null</code>.
*
* <p>The string is trimmed using {@link String#trim()}.</p>
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.trimToNull(null) = null
* StringUtils.trimToNull("abc") = "abc"
* StringUtils.trimToNull(" abc ") = "abc"
* StringUtils.trimToNull(" ") = null
* StringUtils.trimToNull("") = null
* StringUtils.trimToNull(null) = null
* </pre>
*
* @see java.lang.String#trim()
@ -201,18 +203,19 @@ public class StringUtils {
}
/**
* <p>Removes control characters, including whitespace, from both
* <p>Removes control characters (char &lt;= 32) from both
* ends of this string returning an empty string ("") if the string
* is empty ("") after the trim or if it is <code>null</code>.
*
* <p>The string is trimmed using {@link String#trim()}.</p>
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.trimToEmpty(null) = ""
* StringUtils.trimToEmpty("abc") = "abc"
* StringUtils.trimToEmpty(" abc ") = "abc"
* StringUtils.trimToEmpty(" ") = ""
* StringUtils.trimToEmpty("") = ""
* StringUtils.trimToEmpty(null) = ""
* </pre>
*
* @see java.lang.String#trim()
@ -227,6 +230,14 @@ public class StringUtils {
* <p>Deletes all 'space' characters from a String as defined by
* {@link Character#isSpace(char)}.</p>
*
* <pre>
* StringUtils.deleteSpaces(null) = null
* StringUtils.deleteSpaces("abc") = "abc"
* StringUtils.deleteSpaces(" \t abc \n ") = "abc"
* StringUtils.deleteSpaces("ab c") = "abc"
* StringUtils.deleteSpaces("a\nb\tc ") = "abc"
* </pre>
*
* <p>Spaces are defined as <code>{' ', '\t', '\r', '\n', '\b'}</code>
* in line with the deprecated <code>isSpace</code> method.</p>
*
@ -244,6 +255,12 @@ public class StringUtils {
* <p>Deletes all whitespaces from a String as defined by
* {@link Character#isWhitespace(char)}.</p>
*
* <pre>
* StringUtils.deleteWhitespace(null) = null
* StringUtils.deleteWhitespace("abc") = "abc"
* StringUtils.deleteWhitespace(" abc ") = "abc"
* </pre>
*
* @param str the String to delete whitespace from, may be null
* @return the String without whitespaces, <code>null</code> if null string input
*/
@ -265,10 +282,11 @@ public class StringUtils {
//--------------------------------------------------------------------------
/**
* <p>Checks if a String is <code>null</code> or empty ("").</p>
* <p>Checks if a String is empty ("").
* <code>null</code> returns <code>false</code></p>
*
* <pre>
* StringUtils.isEmpty(null) = true
* StringUtils.isEmpty(null) = false
* StringUtils.isEmpty("") = true
* StringUtils.isEmpty(" ") = false
* StringUtils.isEmpty("bob") = false
@ -276,43 +294,133 @@ public class StringUtils {
* </pre>
*
* <p>NOTE: This method changed in version 2.0.
* It no longer trims the String.
* That functionality is available in isEmptyTrimmed().</p>
* It no longer trims the String, and null is no longer true.
* That functionality is available in isEmptyTrimmedOrNull().</p>
*
* @param str the String to check, may be null
* @return <code>true</code> if the String is <code>null</code> or empty
* @return <code>true</code> if the String is empty
*/
public static boolean isEmpty(String str) {
return (str == null || str.length() == 0);
return (str != null && str.length() == 0);
}
/**
* <p>Checks if a String is not <code>null</code> and not empty ("").</p>
* <p>Checks if a String is not empty ("").
* <code>null</code> returns <code>true</code></p>
*
* <pre>
* StringUtils.isNotEmpty(null) = false
* StringUtils.isNotEmpty(null) = true
* StringUtils.isNotEmpty("") = false
* StringUtils.isNotEmpty(" ") = true
* StringUtils.isNotEmpty("bob") = true
* StringUtils.isNotEmpty(" bob ") = true
* </pre>
*
* <p>NOTE: This method changed in version 2.0.
* It no longer returns false for null.
* That functionality is available in isNotEmptyOrNull().</p>
*
* @param str the String to check, may be null
* @return <code>true</code> if the String is not <code>null</code> and not empty
* @return <code>true</code> if the String is not empty
*/
public static boolean isNotEmpty(String str) {
return (str == null || str.length() > 0);
}
/**
* <p>Checks if a String is empty ("") or <code>null</code>.</p>
*
* <pre>
* StringUtils.isEmptyOrNull(null) = true
* StringUtils.isEmptyOrNull("") = true
* StringUtils.isEmptyOrNull(" ") = false
* StringUtils.isEmptyOrNull("bob") = false
* StringUtils.isEmptyOrNull(" bob ") = false
* </pre>
*
* @param str the String to check, may be null
* @return <code>true</code> if the String is empty or null
*/
public static boolean isEmptyOrNull(String str) {
return (str == null || str.length() == 0);
}
/**
* <p>Checks if a String is not not empty ("") and not <code>null</code>.</p>
*
* <pre>
* StringUtils.isNotEmptyOrNull(null) = false
* StringUtils.isNotEmptyOrNull("") = false
* StringUtils.isNotEmptyOrNull(" ") = true
* StringUtils.isNotEmptyOrNull("bob") = true
* StringUtils.isNotEmptyOrNull(" bob ") = true
* </pre>
*
* @param str the String to check, may be null
* @return <code>true</code> if the String is neither empty nor null
*/
public static boolean isNotEmptyOrNull(String str) {
return (str != null && str.length() > 0);
}
/**
* <p>Checks if a trimmed String is <code>null</code> or empty ("").</p>
* <p>Checks if a trimmed String is empty ("").
* <code>null</code> returns <code>false</code></p>
*
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.isNotEmpty(null) = true
* StringUtils.isNotEmpty("") = true
* StringUtils.isNotEmpty(" ") = true
* StringUtils.isNotEmpty("bob") = false
* StringUtils.isNotEmpty(" bob ") = false
* StringUtils.isEmptyTrimmed(null) = false
* StringUtils.isEmptyTrimmed("") = true
* StringUtils.isEmptyTrimmed(" ") = true
* StringUtils.isEmptyTrimmed("bob") = false
* StringUtils.isEmptyTrimmed(" bob ") = false
* </pre>
*
* @see java.lang.String#trim()
* @param str the String to check, may be null
* @return <code>true</code> if the String is empty after trim()
*/
public static boolean isEmptyTrimmed(String str) {
return (str != null && str.trim().length() == 0);
}
/**
* <p>Checks if a trimmed String is not empty ("").</p>
* <code>null</code> returns <code>true</code></p>
*
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.isNotEmptyTrimmed(null) = true
* StringUtils.isNotEmptyTrimmed("") = false
* StringUtils.isNotEmptyTrimmed(" ") = false
* StringUtils.isNotEmptyTrimmed("bob") = true
* StringUtils.isNotEmptyTrimmed(" bob ") = true
* </pre>
*
* @see java.lang.String#trim()
* @param str the String to check, may be null
* @return <code>true</code> if the String is not empty after trim()
*/
public static boolean isNotEmptyTrimmed(String str) {
return (str == null || str.trim().length() > 0);
}
/**
* <p>Checks if a trimmed String is empty ("") or <code>null</code>.</p>
*
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.isEmptyTrimmedOrNull(null) = true
* StringUtils.isEmptyTrimmedOrNull("") = true
* StringUtils.isEmptyTrimmedOrNull(" ") = true
* StringUtils.isEmptyTrimmedOrNull("bob") = false
* StringUtils.isEmptyTrimmedOrNull(" bob ") = false
* </pre>
*
* @see java.lang.String#trim()
@ -320,19 +428,22 @@ public class StringUtils {
* @return <code>true</code> if the String is <code>null</code>
* or empty after trim()
*/
public static boolean isEmptyTrimmed(String str) {
public static boolean isEmptyTrimmedOrNull(String str) {
return (str == null || str.trim().length() == 0);
}
/**
* <p>Checks if a trimmed String is not <code>null</code> and not empty ("").</p>
* <p>Checks if a trimmed String is not empty ("") and not <code>null</code>.</p>
*
* <p>The string is trimmed using {@link String#trim()}.
* Trim removes start and end characters &lt;= 32.</p>
*
* <pre>
* StringUtils.isNotEmpty(null) = false
* StringUtils.isNotEmpty("") = false
* StringUtils.isNotEmpty(" ") = false
* StringUtils.isNotEmpty("bob") = true
* StringUtils.isNotEmpty(" bob ") = true
* StringUtils.isNotEmptyTrimmedOrNull(null) = false
* StringUtils.isNotEmptyTrimmedOrNull("") = false
* StringUtils.isNotEmptyTrimmedOrNull(" ") = false
* StringUtils.isNotEmptyTrimmedOrNull("bob") = true
* StringUtils.isNotEmptyTrimmedOrNull(" bob ") = true
* </pre>
*
* @see java.lang.String#trim()
@ -340,7 +451,7 @@ public class StringUtils {
* @return <code>true</code> if the String is not <code>null</code>
* and not empty after trim()
*/
public static boolean isNotEmptyTrimmed(String str) {
public static boolean isNotEmptyTrimmedOrNull(String str) {
return (str != null && str.trim().length() > 0);
}
@ -375,7 +486,7 @@ public class StringUtils {
* <p>Compares two Strings, returning <code>true</code> if they are equal ignoring
* the case.</p>
*
* <p><code>Nulls</code> are handled without exceptions. Two <code>null</code>
* <p><code>null</code>s are handled without exceptions. Two <code>null</code>
* references are considered equal. Comparison is case insensitive.</p>
*
* <pre>
@ -401,6 +512,16 @@ public class StringUtils {
*
* <p><code>null</code> String will return <code>-1</code>.</p>
*
* <pre>
* StringUtils.indexOfAny(null, null) = -1
* StringUtils.indexOfAny(null, ["ab","cd"]) = -1
* StringUtils.indexOfAny("zzabyycdxx", null) = -1
* StringUtils.indexOfAny("zzabyycdxx", []) = -1
* StringUtils.indexOfAny("zzabyycdxx", ["ab","cd"]) = 2
* StringUtils.indexOfAny("zzabyycdxx", ["cd","ab"]) = 2
* StringUtils.indexOfAny("zzabyycdxx", ["mn","op"]) = -1
* </pre>
*
* @param str the String to check, may be null
* @param searchStrs the Strings to search for, may be null
* @return the first index of any of the searchStrs in str, -1 if no match
@ -435,6 +556,16 @@ public class StringUtils {
*
* <p><code>null</code> string will return <code>-1</code>.</p>
*
* <pre>
* StringUtils.lastIndexOfAny(null, null) = -1
* StringUtils.lastIndexOfAny(null, ["ab","cd"]) = -1
* StringUtils.lastIndexOfAny("zzabyycdxx", null) = -1
* StringUtils.lastIndexOfAny("zzabyycdxx", []) = -1
* StringUtils.lastIndexOfAny("zzabyycdxx", ["ab","cd"]) = 6
* StringUtils.lastIndexOfAny("zzabyycdxx", ["cd","ab"]) = 6
* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn","op"]) = -1
* </pre>
*
* @param str the String to check, may be null
* @param searchStrs the Strings to search for, may be null
* @return the last index of any of the Strings, -1 if no match

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@ -201,7 +201,7 @@ import org.apache.commons.lang.StringUtils;
* @author Chris Webb
* @author Mike Bowler
* @since 1.0
* @version $Id: Enum.java,v 1.12 2003/07/14 22:58:31 scolebourne Exp $
* @version $Id: Enum.java,v 1.13 2003/07/16 21:19:21 scolebourne Exp $
*/
public abstract class Enum implements Comparable, Serializable {
// After discussion, the default size for HashMaps is used, as the
@ -243,14 +243,15 @@ public abstract class Enum implements Comparable, Serializable {
/**
* <p>Constructor to add a new named item to the enumeration.</p>
*
* @param name the name of the enum object
* @param name the name of the enum object,
* must not be empty or <code>null</code>
* @throws IllegalArgumentException if the name is <code>null</code>
* or a blank string
* or an empty string
*/
protected Enum(String name) {
super();
if (StringUtils.isEmpty(name)) {
if (StringUtils.isEmptyOrNull(name)) {
throw new IllegalArgumentException("The Enum name must not be empty or null");
}
iName = name;

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@ -65,7 +65,7 @@ import org.apache.commons.lang.StringUtils;
* reflection.</p>
*
* @author <a href="mailto:scolebourne@apache.org">Stephen Colebourne</a>
* @version $Id: ReflectionUtils.java,v 1.7 2003/07/14 22:28:48 bayard Exp $
* @version $Id: ReflectionUtils.java,v 1.8 2003/07/16 21:19:22 scolebourne Exp $
*/
public class ReflectionUtils {
@ -167,13 +167,14 @@ public class ReflectionUtils {
/**
* <p>Gets a class object for the specified string.</p>
*
* @param className fully qualified class name to find, must not be empty
* @param className fully qualified class name to find,
* must not be empty or <code>null</code>
* @return Class object for class
* @throws ReflectionException if an error occurs during reflection
* @throws IllegalArgumentException if the class name is empty
*/
public static Class getClass(String className) throws ReflectionException {
if (StringUtils.isEmpty(className)) {
if (StringUtils.isEmptyOrNull(className)) {
throw new IllegalArgumentException("The class name must not be null");
}
try {

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@ -63,7 +63,7 @@ import junit.textui.TestRunner;
*
* @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a>
* @author <a href="mailto:ridesmet@users.sourceforge.net">Ringo De Smet</a>
* @version $Id: StringUtilsTrimEmptyTest.java,v 1.8 2003/07/14 22:26:22 scolebourne Exp $
* @version $Id: StringUtilsTrimEmptyTest.java,v 1.9 2003/07/16 21:19:22 scolebourne Exp $
*/
public class StringUtilsTrimEmptyTest extends TestCase {
private static final String FOO = "foo";
@ -137,7 +137,7 @@ public class StringUtilsTrimEmptyTest extends TestCase {
assertEquals(false, StringUtils.isEmpty(" foo "));
assertEquals(false, StringUtils.isEmpty(" "));
assertEquals(true, StringUtils.isEmpty(""));
assertEquals(true, StringUtils.isEmpty(null));
assertEquals(false, StringUtils.isEmpty(null));
}
public void testIsNotEmpty() {
@ -145,7 +145,23 @@ public class StringUtilsTrimEmptyTest extends TestCase {
assertEquals(true, StringUtils.isNotEmpty(" foo "));
assertEquals(true, StringUtils.isNotEmpty(" "));
assertEquals(false, StringUtils.isNotEmpty(""));
assertEquals(false, StringUtils.isNotEmpty(null));
assertEquals(true, StringUtils.isNotEmpty(null));
}
public void testIsEmptyOrNull() {
assertEquals(false, StringUtils.isEmptyOrNull("foo"));
assertEquals(false, StringUtils.isEmptyOrNull(" foo "));
assertEquals(false, StringUtils.isEmptyOrNull(" "));
assertEquals(true, StringUtils.isEmptyOrNull(""));
assertEquals(true, StringUtils.isEmptyOrNull(null));
}
public void testIsNotEmptyOrNull() {
assertEquals(true, StringUtils.isNotEmptyOrNull("foo"));
assertEquals(true, StringUtils.isNotEmptyOrNull(" foo "));
assertEquals(true, StringUtils.isNotEmptyOrNull(" "));
assertEquals(false, StringUtils.isNotEmptyOrNull(""));
assertEquals(false, StringUtils.isNotEmptyOrNull(null));
}
public void testIsEmptyTrimmed() {
@ -153,7 +169,7 @@ public class StringUtilsTrimEmptyTest extends TestCase {
assertEquals(false, StringUtils.isEmptyTrimmed(" foo "));
assertEquals(true, StringUtils.isEmptyTrimmed(" "));
assertEquals(true, StringUtils.isEmptyTrimmed(""));
assertEquals(true, StringUtils.isEmptyTrimmed(null));
assertEquals(false, StringUtils.isEmptyTrimmed(null));
}
public void testIsNotEmptyTrimmed() {
@ -161,7 +177,23 @@ public class StringUtilsTrimEmptyTest extends TestCase {
assertEquals(true, StringUtils.isNotEmptyTrimmed(" foo "));
assertEquals(false, StringUtils.isNotEmptyTrimmed(" "));
assertEquals(false, StringUtils.isNotEmptyTrimmed(""));
assertEquals(false, StringUtils.isNotEmptyTrimmed(null));
assertEquals(true, StringUtils.isNotEmptyTrimmed(null));
}
public void testIsEmptyTrimmedOrNull() {
assertEquals(false, StringUtils.isEmptyTrimmedOrNull("foo"));
assertEquals(false, StringUtils.isEmptyTrimmedOrNull(" foo "));
assertEquals(true, StringUtils.isEmptyTrimmedOrNull(" "));
assertEquals(true, StringUtils.isEmptyTrimmedOrNull(""));
assertEquals(true, StringUtils.isEmptyTrimmedOrNull(null));
}
public void testIsNotEmptyTrimmedOrNull() {
assertEquals(true, StringUtils.isNotEmptyTrimmedOrNull("foo"));
assertEquals(true, StringUtils.isNotEmptyTrimmedOrNull(" foo "));
assertEquals(false, StringUtils.isNotEmptyTrimmedOrNull(" "));
assertEquals(false, StringUtils.isNotEmptyTrimmedOrNull(""));
assertEquals(false, StringUtils.isNotEmptyTrimmedOrNull(null));
}
public void testDeleteSpace() {