Added support for binEncode

This commit is contained in:
Shekhar Gulati
2016-05-16 19:26:15 +05:30
parent 6ab8d2dab2
commit 8e8c4c07c4
2 changed files with 32 additions and 5 deletions
+21 -1
View File
@@ -6,6 +6,7 @@ import java.util.Optional;
import java.util.StringJoiner;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Stream;
import static java.util.stream.Collectors.joining;
@@ -329,10 +330,29 @@ public abstract class Strman {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
return Arrays
.stream(value.split("(?<=\\G.{16})"))
.map(data -> String.valueOf(Character.toChars(Integer.parseInt(data,2))))
.map(data -> String.valueOf(Character.toChars(Integer.parseInt(data, 2))))
.collect(joining());
}
/**
* Convert string chars to binary unicode (16 digits)
*
* @param value The value to encode
* @return String in binary format
*/
public static String binEncode(final String value) {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
return value.chars().mapToObj(ch -> leftPad(Integer.toBinaryString(ch), "0", 16)).collect(joining());
}
public static String leftPad(String value, String pad, int length) {
validate(value, NULL_STRING_PREDICATE, NULL_STRING_MSG_SUPPLIER);
if (value.length() >= length) {
return value;
}
return append(Stream.generate(() -> pad).limit(length - value.length()).collect(joining()), value);
}
private static long countSubstr(String value, String subStr, boolean allowOverlapping, long count) {
int position = value.indexOf(subStr);
+11 -4
View File
@@ -270,10 +270,17 @@ public class StrmanTest {
binDecode("000000000111001100000000011101000000000001110010000000000110110100000000011000010000000001101110"),
equalTo("strman"));
assertThat(binDecode("0110111100100010"),equalTo("漢"));
assertThat(binDecode("0000000001000001"),equalTo("A"));
assertThat(binDecode("0000000011000001"),equalTo("Á"));
assertThat(binDecode("00000000010000010000000001000001"),equalTo("AA"));
assertThat(binDecode("0110111100100010"), equalTo("漢"));
assertThat(binDecode("0000000001000001"), equalTo("A"));
assertThat(binDecode("0000000011000001"), equalTo("Á"));
assertThat(binDecode("00000000010000010000000001000001"), equalTo("AA"));
}
@Test
public void binEncode_shouldEncodeAStringToBinaryFormat() throws Exception {
assertThat(binEncode("漢"), equalTo("0110111100100010"));
assertThat(binEncode("A"), equalTo("0000000001000001"));
assertThat(binEncode("Á"), equalTo("0000000011000001"));
assertThat(binEncode("AA"), equalTo("00000000010000010000000001000001"));
}
}