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[LANG-701] StringUtils join with var args. Add and use SPACE string constant for " ". 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1407148 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary D. Gregory 2012-11-08 16:08:23 +00:00
parent f416eb209c
commit 16774d1c0d
1 changed files with 11 additions and 4 deletions
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15
src/main/java/org/apache/commons/lang3/StringUtils.java
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@ -124,6 +124,13 @@ public class StringUtils {
// String.concat about twice as fast as StringBuffer.append // String.concat about twice as fast as StringBuffer.append
// (not sure who tested this) // (not sure who tested this)
/**
* A String for a space character.
*
* @since 3.2
*/
public static final String SPACE = " ";
/** /**
* The empty String {@code ""}. * The empty String {@code ""}.
* @since 2.0 * @since 2.0
@ -4581,7 +4588,7 @@ public class StringUtils {
return null; return null;
} }
if (isEmpty(padStr)) { if (isEmpty(padStr)) {
padStr = " "; padStr = SPACE;
} }
int padLen = padStr.length(); int padLen = padStr.length();
int strLen = str.length(); int strLen = str.length();
@ -4693,7 +4700,7 @@ public class StringUtils {
return null; return null;
} }
if (isEmpty(padStr)) { if (isEmpty(padStr)) {
padStr = " "; padStr = SPACE;
} }
int padLen = padStr.length(); int padLen = padStr.length();
int strLen = str.length(); int strLen = str.length();
@ -4832,7 +4839,7 @@ public class StringUtils {
return str; return str;
} }
if (isEmpty(padStr)) { if (isEmpty(padStr)) {
padStr = " "; padStr = SPACE;
} }
int strLen = str.length(); int strLen = str.length();
int pads = size - strLen; int pads = size - strLen;
@ -6472,7 +6479,7 @@ public class StringUtils {
if (str == null) { if (str == null) {
return null; return null;
} }
return WHITESPACE_PATTERN.matcher(trim(str)).replaceAll(" "); return WHITESPACE_PATTERN.matcher(trim(str)).replaceAll(SPACE);
} }
/** /**