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Fixed #9. Added support for isString function

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This commit is contained in:
Shekhar Gulati
2016-05-21 17:29:05 +05:30
parent de2e7af797
commit cfed475891
2 changed files with 35 additions and 8 deletions
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src/main/java/strman/Strman.java
+22 -8
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@@ -118,12 +118,6 @@ public abstract class Strman {
}
public static void validate(String value, Predicate<String> predicate, final Supplier<String> supplier) {
if (predicate.test(value)) {
throw new IllegalArgumentException(supplier.get());
}
}
/**
* Verifies that the needle is contained in the value. The search is case insensitive
*
@@ -547,7 +541,21 @@ public abstract class Strman {
return append(Stream.generate(() -> pad).limit(length - value.length()).collect(joining()), value);
}
public static String decode(final String value, int digits, int radix) {
/**
* Checks whether Object is String
*
* @param value The input String
* @return true if Object is a String false otherwise
*/
public static boolean isString(Object value) {
if (Objects.isNull(value)) {
throw new IllegalArgumentException("value can't be null");
}
return value instanceof String;
}
public static String decode(final String value, final int digits, final int radix) {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
return Arrays
.stream(value.split("(?<=\\G.{" + digits + "})"))
@@ -555,11 +563,17 @@ public abstract class Strman {
.collect(joining());
}
public static String encode(String value, int digits, int radix) {
public static String encode(final String value, final int digits, final int radix) {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
return value.chars().mapToObj(ch -> leftPad(Integer.toString(ch, radix), "0", digits)).collect(joining());
}
private static void validate(String value, Predicate<String> predicate, final Supplier<String> supplier) {
if (predicate.test(value)) {
throw new IllegalArgumentException(supplier.get());
}
}
private static long countSubstr(String value, String subStr, boolean allowOverlapping, long count) {
int position = value.indexOf(subStr);
if (position == -1) {