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Utilise list instead of collection for ListBuilder

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Frank van der Heijden 2020-06-27 13:32:52 +02:00
parent c9fceaac0d
commit 49e0be1b37
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GPG key ID: 26DA56488D314D11
1 changed files with 14 additions and 14 deletions
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28
src/main/java/net/frankheijden/serverutils/utils/ListBuilder.java
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@ -1,30 +1,30 @@
package net.frankheijden.serverutils.utils; package net.frankheijden.serverutils.utils;
import java.util.Collection; import java.util.List;
public class ListBuilder<T> { public class ListBuilder<T> {
private final Collection<T> collection; private final List<T> list;
private ListFormat<T> formatter; private ListFormat<T> formatter;
private String seperator; private String seperator;
private String lastSeperator; private String lastSeperator;
private ListBuilder(Collection<T> collection) { private ListBuilder(List<T> list) {
this.collection = collection; this.list = list;
} }
public static <T> ListBuilder<T> create(Collection<T> collection) { public static <T> ListBuilder<T> create(List<T> list) {
return new ListBuilder<>(collection); return new ListBuilder<>(list);
} }
/** /**
* Creates a pre-defined ListBuilder with type String. * Creates a pre-defined ListBuilder with type String.
* @param collection The collection to be used. * @param list The collection to be used.
* @return The ListBuilder. * @return The ListBuilder.
*/ */
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
public static ListBuilder<String> createStrings(Collection<? extends String> collection) { public static ListBuilder<String> createStrings(List<? extends String> list) {
ListBuilder<String> builder = create((Collection<String>) collection); ListBuilder<String> builder = create((List<String>) list);
builder.format(ListFormat.stringFormat); builder.format(ListFormat.stringFormat);
return builder; return builder;
} }
@ -46,17 +46,17 @@ public class ListBuilder<T> {
@Override @Override
public String toString() { public String toString() {
if (collection.size() == 1) { if (list.size() == 1) {
return formatter.format(collection.iterator().next()); return formatter.format(list.iterator().next());
} else { } else {
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder();
int i = 1; int i = 1;
for (T t : collection) { for (T t : list) {
sb.append(formatter.format(t)); sb.append(formatter.format(t));
if (i == collection.size() - 1) { if (i == list.size() - 1) {
sb.append(lastSeperator); sb.append(lastSeperator);
} else if (i != collection.size()) { } else if (i != list.size()) {
sb.append(seperator); sb.append(seperator);
} }
i++; i++;