Fewer magic strings.
diff --git a/src/main/java/org/apache/commons/text/AlphabetConverter.java b/src/main/java/org/apache/commons/text/AlphabetConverter.java
index 0cc5e21..be76939 100644
--- a/src/main/java/org/apache/commons/text/AlphabetConverter.java
+++ b/src/main/java/org/apache/commons/text/AlphabetConverter.java
@@ -30,6 +30,7 @@
import java.util.Set;
import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
/**
* <p>
@@ -497,7 +498,7 @@
encodedLetterLength);
ac.addSingleEncoding(encodedLetterLength,
- "",
+ StringUtils.EMPTY,
encodingCopy,
originalCopy.iterator(),
doNotEncodeMap);
diff --git a/src/main/java/org/apache/commons/text/ExtendedMessageFormat.java b/src/main/java/org/apache/commons/text/ExtendedMessageFormat.java
index 28c1604..d7694a6 100644
--- a/src/main/java/org/apache/commons/text/ExtendedMessageFormat.java
+++ b/src/main/java/org/apache/commons/text/ExtendedMessageFormat.java
@@ -27,6 +27,7 @@
import java.util.Map;
import java.util.Objects;
+import org.apache.commons.lang3.StringUtils;
import org.apache.commons.text.matcher.StringMatcherFactory;
/**
@@ -81,7 +82,7 @@
/**
* The empty string.
*/
- private static final String DUMMY_PATTERN = "";
+ private static final String DUMMY_PATTERN = StringUtils.EMPTY;
/**
* A comma.
diff --git a/src/main/java/org/apache/commons/text/FormattableUtils.java b/src/main/java/org/apache/commons/text/FormattableUtils.java
index aed0eb7..4ca0a42 100644
--- a/src/main/java/org/apache/commons/text/FormattableUtils.java
+++ b/src/main/java/org/apache/commons/text/FormattableUtils.java
@@ -21,6 +21,8 @@
import java.util.Formattable;
import java.util.Formatter;
+import org.apache.commons.lang3.StringUtils;
+
/**
* <p>Provides utilities for working with the {@code Formattable} interface.</p>
*
@@ -139,7 +141,7 @@
if (precision >= 0 && precision < seq.length()) {
final CharSequence _ellipsis;
if (ellipsis == null) {
- _ellipsis = "";
+ _ellipsis = StringUtils.EMPTY;
} else {
_ellipsis = ellipsis;
}
diff --git a/src/main/java/org/apache/commons/text/RandomStringGenerator.java b/src/main/java/org/apache/commons/text/RandomStringGenerator.java
index a66f71b..d8e38e4 100644
--- a/src/main/java/org/apache/commons/text/RandomStringGenerator.java
+++ b/src/main/java/org/apache/commons/text/RandomStringGenerator.java
@@ -24,6 +24,7 @@
import java.util.concurrent.ThreadLocalRandom;
import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.Validate;
/**
@@ -164,7 +165,7 @@
*/
public String generate(final int length) {
if (length == 0) {
- return "";
+ return StringUtils.EMPTY;
}
Validate.isTrue(length > 0, "Length %d is smaller than zero.", length);
diff --git a/src/main/java/org/apache/commons/text/StrBuilder.java b/src/main/java/org/apache/commons/text/StrBuilder.java
index 1b741d2..727c292 100644
--- a/src/main/java/org/apache/commons/text/StrBuilder.java
+++ b/src/main/java/org/apache/commons/text/StrBuilder.java
@@ -26,6 +26,7 @@
import java.util.Objects;
import org.apache.commons.lang3.ArrayUtils;
+import org.apache.commons.lang3.StringUtils;
/**
* Builds a string from constituent parts providing a more flexible and powerful API
@@ -1220,7 +1221,7 @@
*/
public StrBuilder appendWithSeparators(final Object[] array, final String separator) {
if (array != null && array.length > 0) {
- final String sep = Objects.toString(separator, "");
+ final String sep = Objects.toString(separator, StringUtils.EMPTY);
append(array[0]);
for (int i = 1; i < array.length; i++) {
append(sep);
@@ -1242,7 +1243,7 @@
*/
public StrBuilder appendWithSeparators(final Iterable<?> iterable, final String separator) {
if (iterable != null) {
- final String sep = Objects.toString(separator, "");
+ final String sep = Objects.toString(separator, StringUtils.EMPTY);
final Iterator<?> it = iterable.iterator();
while (it.hasNext()) {
append(it.next());
@@ -1266,7 +1267,7 @@
*/
public StrBuilder appendWithSeparators(final Iterator<?> it, final String separator) {
if (it != null) {
- final String sep = Objects.toString(separator, "");
+ final String sep = Objects.toString(separator, StringUtils.EMPTY);
while (it.hasNext()) {
append(it.next());
if (it.hasNext()) {
@@ -1468,7 +1469,7 @@
ensureCapacity(size + width);
String str = obj == null ? getNullText() : obj.toString();
if (str == null) {
- str = "";
+ str = StringUtils.EMPTY;
}
final int strLen = str.length();
if (strLen >= width) {
@@ -1515,7 +1516,7 @@
ensureCapacity(size + width);
String str = obj == null ? getNullText() : obj.toString();
if (str == null) {
- str = "";
+ str = StringUtils.EMPTY;
}
final int strLen = str.length();
if (strLen >= width) {
@@ -2262,7 +2263,7 @@
*/
public String leftString(final int length) {
if (length <= 0) {
- return "";
+ return StringUtils.EMPTY;
} else if (length >= size) {
return new String(buffer, 0, size);
} else {
@@ -2284,7 +2285,7 @@
*/
public String rightString(final int length) {
if (length <= 0) {
- return "";
+ return StringUtils.EMPTY;
} else if (length >= size) {
return new String(buffer, 0, size);
} else {
@@ -2313,7 +2314,7 @@
index = 0;
}
if (length <= 0 || index >= size) {
- return "";
+ return StringUtils.EMPTY;
}
if (size <= index + length) {
return new String(buffer, index, size - index);
diff --git a/src/main/java/org/apache/commons/text/StrTokenizer.java b/src/main/java/org/apache/commons/text/StrTokenizer.java
index e700b52..2c584d1 100644
--- a/src/main/java/org/apache/commons/text/StrTokenizer.java
+++ b/src/main/java/org/apache/commons/text/StrTokenizer.java
@@ -22,6 +22,8 @@
import java.util.ListIterator;
import java.util.NoSuchElementException;
+import org.apache.commons.lang3.StringUtils;
+
/**
* Tokenizes a string based on delimiters (separators)
* and supporting quoting and ignored character concepts.
@@ -652,7 +654,7 @@
// handle case where end of string is a delimiter
if (pos >= count) {
- addToken(tokenList, "");
+ addToken(tokenList, StringUtils.EMPTY);
}
}
return tokenList;
@@ -708,14 +710,14 @@
// handle reaching end
if (start >= len) {
- addToken(tokenList, "");
+ addToken(tokenList, StringUtils.EMPTY);
return -1;
}
// handle empty token
final int delimLen = getDelimiterMatcher().isMatch(srcChars, start, start, len);
if (delimLen > 0) {
- addToken(tokenList, "");
+ addToken(tokenList, StringUtils.EMPTY);
return start + delimLen;
}
diff --git a/src/main/java/org/apache/commons/text/StringEscapeUtils.java b/src/main/java/org/apache/commons/text/StringEscapeUtils.java
index ec531df..5ead630 100644
--- a/src/main/java/org/apache/commons/text/StringEscapeUtils.java
+++ b/src/main/java/org/apache/commons/text/StringEscapeUtils.java
@@ -250,8 +250,8 @@
escapeXsiMap.put("'", "\\'");
escapeXsiMap.put(" ", "\\ ");
escapeXsiMap.put("\t", "\\\t");
- escapeXsiMap.put("\r\n", "");
- escapeXsiMap.put("\n", "");
+ escapeXsiMap.put("\r\n", StringUtils.EMPTY);
+ escapeXsiMap.put("\n", StringUtils.EMPTY);
escapeXsiMap.put("*", "\\*");
escapeXsiMap.put("?", "\\?");
escapeXsiMap.put("[", "\\[");
@@ -279,7 +279,7 @@
unescapeJavaMap.put("\\\\", "\\");
unescapeJavaMap.put("\\\"", "\"");
unescapeJavaMap.put("\\'", "'");
- unescapeJavaMap.put("\\", "");
+ unescapeJavaMap.put("\\", StringUtils.EMPTY);
UNESCAPE_JAVA = new AggregateTranslator(
new OctalUnescaper(), // .between('\1', '\377'),
new UnicodeUnescaper(),
diff --git a/src/main/java/org/apache/commons/text/StringTokenizer.java b/src/main/java/org/apache/commons/text/StringTokenizer.java
index ec25e9f..9a28106 100644
--- a/src/main/java/org/apache/commons/text/StringTokenizer.java
+++ b/src/main/java/org/apache/commons/text/StringTokenizer.java
@@ -22,6 +22,7 @@
import java.util.ListIterator;
import java.util.NoSuchElementException;
+import org.apache.commons.lang3.StringUtils;
import org.apache.commons.text.matcher.StringMatcher;
import org.apache.commons.text.matcher.StringMatcherFactory;
@@ -692,7 +693,7 @@
// handle case where end of string is a delimiter
if (pos >= count) {
- addToken(tokenList, "");
+ addToken(tokenList, StringUtils.EMPTY);
}
}
return tokenList;
@@ -750,14 +751,14 @@
// handle reaching end
if (start >= len) {
- addToken(tokenList, "");
+ addToken(tokenList, StringUtils.EMPTY);
return -1;
}
// handle empty token
final int delimLen = getDelimiterMatcher().isMatch(srcChars, start, start, len);
if (delimLen > 0) {
- addToken(tokenList, "");
+ addToken(tokenList, StringUtils.EMPTY);
return start + delimLen;
}
diff --git a/src/main/java/org/apache/commons/text/TextStringBuilder.java b/src/main/java/org/apache/commons/text/TextStringBuilder.java
index 4fa2574..1ae9ebe 100644
--- a/src/main/java/org/apache/commons/text/TextStringBuilder.java
+++ b/src/main/java/org/apache/commons/text/TextStringBuilder.java
@@ -859,7 +859,7 @@
ensureCapacity(size + width);
String str = obj == null ? getNullText() : obj.toString();
if (str == null) {
- str = "";
+ str = StringUtils.EMPTY;
}
final int strLen = str.length();
if (strLen >= width) {
@@ -904,7 +904,7 @@
ensureCapacity(size + width);
String str = obj == null ? getNullText() : obj.toString();
if (str == null) {
- str = "";
+ str = StringUtils.EMPTY;
}
final int strLen = str.length();
if (strLen >= width) {
@@ -1375,7 +1375,7 @@
*/
public TextStringBuilder appendWithSeparators(final Iterable<?> iterable, final String separator) {
if (iterable != null) {
- final String sep = Objects.toString(separator, "");
+ final String sep = Objects.toString(separator, StringUtils.EMPTY);
final Iterator<?> it = iterable.iterator();
while (it.hasNext()) {
append(it.next());
@@ -1397,7 +1397,7 @@
*/
public TextStringBuilder appendWithSeparators(final Iterator<?> it, final String separator) {
if (it != null) {
- final String sep = Objects.toString(separator, "");
+ final String sep = Objects.toString(separator, StringUtils.EMPTY);
while (it.hasNext()) {
append(it.next());
if (it.hasNext()) {
@@ -1418,7 +1418,7 @@
*/
public TextStringBuilder appendWithSeparators(final Object[] array, final String separator) {
if (array != null && array.length > 0) {
- final String sep = Objects.toString(separator, "");
+ final String sep = Objects.toString(separator, StringUtils.EMPTY);
append(array[0]);
for (int i = 1; i < array.length; i++) {
append(sep);
@@ -2422,7 +2422,7 @@
*/
public String leftString(final int length) {
if (length <= 0) {
- return "";
+ return StringUtils.EMPTY;
} else if (length >= size) {
return new String(buffer, 0, size);
} else {
@@ -2458,7 +2458,7 @@
index = 0;
}
if (length <= 0 || index >= size) {
- return "";
+ return StringUtils.EMPTY;
}
if (size <= index + length) {
return new String(buffer, index, size - index);
@@ -2830,7 +2830,7 @@
*/
public String rightString(final int length) {
if (length <= 0) {
- return "";
+ return StringUtils.EMPTY;
} else if (length >= size) {
return new String(buffer, 0, size);
} else {
diff --git a/src/main/java/org/apache/commons/text/WordUtils.java b/src/main/java/org/apache/commons/text/WordUtils.java
index 6f6f1d2..4c487ce 100644
--- a/src/main/java/org/apache/commons/text/WordUtils.java
+++ b/src/main/java/org/apache/commons/text/WordUtils.java
@@ -712,7 +712,7 @@
return str;
}
if (delimiters != null && delimiters.length == 0) {
- return "";
+ return StringUtils.EMPTY;
}
final Set<Integer> delimiterSet = generateDelimiterSet(delimiters);
final int strLen = str.length();
