aQute.lib.collections.ExtList Maven / Gradle / Ivy
package aQute.lib.collections;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
public class ExtList extends ArrayList {
private static final long serialVersionUID = 1L;
@SafeVarargs
public ExtList(T... ts) {
super(ts.length);
for (T t : ts) {
add(t);
}
}
public ExtList(int size) {
super(size);
}
public ExtList(Collection col) {
super(col);
}
public ExtList(Iterable col) {
for (T t : col)
add(t);
}
public static ExtList from(String s) {
// TODO make sure no \ before comma
return from(s, "\\s*,\\s*");
}
public static ExtList from(String s, String delimeter) {
ExtList result = new ExtList<>();
String[] parts = s.split(delimeter);
Collections.addAll(result, parts);
return result;
}
public String join() {
return join(",");
}
public String join(String del) {
StringBuilder sb = new StringBuilder();
String d = "";
for (T t : this) {
sb.append(d);
d = del;
if (t != null)
sb.append(t);
}
return sb.toString();
}
}