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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;
import java.util.Collection;
import java.util.List;
public class ListBuilder<T> {
private final Collection<T> collection;
private final List<T> list;
private ListFormat<T> formatter;
private String seperator;
private String lastSeperator;
private ListBuilder(Collection<T> collection) {
this.collection = collection;
private ListBuilder(List<T> list) {
this.list = list;
}
public static <T> ListBuilder<T> create(Collection<T> collection) {
return new ListBuilder<>(collection);
public static <T> ListBuilder<T> create(List<T> list) {
return new ListBuilder<>(list);
}
/**
* 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.
*/
@SuppressWarnings("unchecked")
public static ListBuilder<String> createStrings(Collection<? extends String> collection) {
ListBuilder<String> builder = create((Collection<String>) collection);
public static ListBuilder<String> createStrings(List<? extends String> list) {
ListBuilder<String> builder = create((List<String>) list);
builder.format(ListFormat.stringFormat);
return builder;
}
@ -46,17 +46,17 @@ public class ListBuilder<T> {
@Override
public String toString() {
if (collection.size() == 1) {
return formatter.format(collection.iterator().next());
if (list.size() == 1) {
return formatter.format(list.iterator().next());
} else {
StringBuilder sb = new StringBuilder();
int i = 1;
for (T t : collection) {
for (T t : list) {
sb.append(formatter.format(t));
if (i == collection.size() - 1) {
if (i == list.size() - 1) {
sb.append(lastSeperator);
} else if (i != collection.size()) {
} else if (i != list.size()) {
sb.append(seperator);
}
i++;