1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
package mobvista.prd.datasource.util;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import java.util.Map;
import java.util.regex.Pattern;
/**
* author: houying
* date : 16-10-25
* desc :
*/
public final class MRUtils {
public static Pattern SPLITTER = Pattern.compile("\t");
public static Joiner JOINER = Joiner.on("\t").useForNull("");
public static String join(Iterable<String> iterable, String sep) {
if (sep.equals("\t")) {
return JOINER.join(iterable);
} else {
return Joiner.on(sep).useForNull("").join(iterable);
}
}
public static String join(String[] iterable, String sep) {
if (sep.equals("\t")) {
return JOINER.join(iterable);
} else {
return Joiner.on(sep).useForNull("").join(iterable);
}
}
public static Map<String, String> splitToMap(String str, String sep, String keyValueSep) {
return Splitter.on(sep).withKeyValueSeparator(keyValueSep).split(str);
}
public static String joinMapToString(Map<String, String> map, String rep, String keyValueSep) {
return Joiner.on(rep).withKeyValueSeparator(keyValueSep).join(map);
}
}