gaspersic/java-design-patterns
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clean code (#910)

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Ibrahim ali abdelghany 2019-09-07 20:07:01 +02:00 committed by Ilkka Seppälä
parent c653edf38f
commit 8c865e6b4d
1 changed files with 3 additions and 4 deletions
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7
abstract-document/src/main/java/com/iluwatar/abstractdocument/AbstractDocument.java
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@ -54,17 +54,16 @@ public abstract class AbstractDocument implements Document {
@Override @Override
public <T> Stream<T> children(String key, Function<Map<String, Object>, T> constructor) { public <T> Stream<T> children(String key, Function<Map<String, Object>, T> constructor) {
Optional<List<Map<String, Object>>> any = Stream.of(get(key)).filter(el -> el != null) Optional<List<Map<String, Object>>> any = Stream.of(get(key)).filter(Objects::nonNull)
.map(el -> (List<Map<String, Object>>) el).findAny(); .map(el -> (List<Map<String, Object>>) el).findAny();
return any.isPresent() ? any.get().stream().map(constructor) : Stream.empty(); return any.map(maps -> maps.stream().map(constructor)).orElseGet(Stream::empty);
} }
@Override @Override
public String toString() { public String toString() {
StringBuilder builder = new StringBuilder(); StringBuilder builder = new StringBuilder();
builder.append(getClass().getName()).append("["); builder.append(getClass().getName()).append("[");
properties.entrySet() properties.forEach((key, value) -> builder.append("[").append(key).append(" : ").append(value).append("]"));
.forEach(e -> builder.append("[").append(e.getKey()).append(" : ").append(e.getValue()).append("]"));
builder.append("]"); builder.append("]");
return builder.toString(); return builder.toString();
} }