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Rolling capitalize and uncapitalize back from (CharSequence) to (String) 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1088505 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell 2011-04-04 08:42:38 +00:00
parent 9946140913
commit 325648a185
2 changed files with 15 additions and 35 deletions
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38
src/main/java/org/apache/commons/lang3/StringUtils.java
View File

@ -5004,29 +5004,25 @@ public class StringUtils {
* StringUtils.capitalize("cAt") = "CAt"
* </pre>
*
* @param cs the String to capitalize, may be null
* @param str the String to capitalize, may be null
* @return the capitalized String, {@code null} if null String input
* @see org.apache.commons.lang3.text.WordUtils#capitalize(String)
* @see #uncapitalize(CharSequence)
* @see #uncapitalize(String)
* @since 2.0
* @since 3.0 Changed signature from capitalize(String) to capitalize(CharSequence)
*/
public static String capitalize(CharSequence cs) {
if (cs == null ) {
return null;
}
public static String capitalize(String str) {
int strLen;
if ((strLen = cs.length()) == 0) {
return cs.toString();
if (str == null || (strLen = str.length()) == 0) {
return str;
}
return new StringBuilder(strLen)
.append(Character.toTitleCase(cs.charAt(0)))
.append(StringUtils.subSequence(cs, 1))
.append(Character.toTitleCase(str.charAt(0)))
.append(str.substring(1))
.toString();
}
/**
* <p>Uncapitalizes a CharSequence changing the first letter to title case as
* <p>Uncapitalizes a String changing the first letter to title case as
* per {@link Character#toLowerCase(char)}. No other letters are changed.</p>
*
* <p>For a word based algorithm, see {@link org.apache.commons.lang3.text.WordUtils#uncapitalize(String)}.
@ -5039,24 +5035,20 @@ public class StringUtils {
* StringUtils.uncapitalize("CAT") = "cAT"
* </pre>
*
* @param cs the String to uncapitalize, may be null
* @param str the String to uncapitalize, may be null
* @return the uncapitalized String, {@code null} if null String input
* @see org.apache.commons.lang3.text.WordUtils#uncapitalize(String)
* @see #capitalize(CharSequence)
* @see #capitalize(String)
* @since 2.0
* @since 3.0 Changed signature from uncapitalize(String) to uncapitalize(CharSequence)
*/
public static String uncapitalize(CharSequence cs) {
if (cs == null ) {
return null;
}
public static String uncapitalize(String str) {
int strLen;
if ((strLen = cs.length()) == 0) {
return cs.toString();
if (str == null || (strLen = str.length()) == 0) {
return str;
}
return new StringBuilder(strLen)
.append(Character.toLowerCase(cs.charAt(0)))
.append(StringUtils.subSequence(cs, 1))
.append(Character.toLowerCase(str.charAt(0)))
.append(str.substring(1))
.toString();
}

12
src/test/java/org/apache/commons/lang3/StringUtilsTest.java
View File

@ -119,12 +119,6 @@ public class StringUtilsTest extends TestCase {
"", StringUtils.capitalize("") );
assertEquals("capitalize(single-char-string) failed",
"X", StringUtils.capitalize("x") );
assertEquals("capitalize(single-char-string) failed",
"X", StringUtils.capitalize(new StringBuilder("x")) );
assertEquals("capitalize(single-char-string) failed",
"X", StringUtils.capitalize(new StringBuffer("x")) );
assertEquals("capitalize(single-char-string) failed",
"X", StringUtils.capitalize(CharBuffer.wrap("x")) );
assertEquals("uncapitalize(String) failed",
FOO_UNCAP, StringUtils.uncapitalize(FOO_CAP) );
@ -132,12 +126,6 @@ public class StringUtilsTest extends TestCase {
"", StringUtils.uncapitalize("") );
assertEquals("uncapitalize(single-char-string) failed",
"x", StringUtils.uncapitalize("X") );
assertEquals("uncapitalize(single-char-string) failed",
"x", StringUtils.uncapitalize(new StringBuilder("X")) );
assertEquals("uncapitalize(single-char-string) failed",
"x", StringUtils.uncapitalize(new StringBuffer("X")) );
assertEquals("uncapitalize(single-char-string) failed",
"x", StringUtils.uncapitalize(CharBuffer.wrap("X")) );
// reflection type of tests: Sentences.
assertEquals("uncapitalize(capitalize(String)) failed",