import java.util.List;
public class Message {
- public final List<String> lines;
-
- public Message() {
- lines = new ArrayList<String>();
- }
+ public final List<String> lines;
+
+ public Message() {
+ lines = new ArrayList<>();
+ }
- public void clear() {
- lines.clear();
- }
-
- public String line(String format, Object ... args) {
- String rv=String.format(format, args);
- lines.add(rv);
- return rv;
- }
+ public void clear() {
+ lines.clear();
+ }
+
+ public String line(String format, Object ... args) {
+ String rv=String.format(format, args);
+ lines.add(rv);
+ return rv;
+ }
- public void msg(StringBuilder sb, String lineIndent) {
- if(lines.size()>0) {
- for(String line : lines) {
- sb.append(lineIndent);
- sb.append(line);
- sb.append('\n');
- }
- }
- }
+ public void msg(StringBuilder sb, String lineIndent) {
+ if (!lines.isEmpty()) {
+ for (String line : lines) {
+ sb.append(lineIndent);
+ sb.append(line);
+ sb.append('\n');
+ }
+ }
+ }
}