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Binis Code Generation Core Classes
package net.binis.codegen.tools;
/*-
* #%L
* code-generator-core
* %%
* Copyright (C) 2021 - 2024 Binis Belev
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import static java.util.Objects.isNull;
import static java.util.Objects.nonNull;
import static java.util.stream.Collectors.joining;
public class CollectionUtils {
private CollectionUtils() {
//Do nothing
}
public static List copyList(Collection collection) {
return new ArrayList<>(collection);
}
public static boolean isEmpty(Collection collection) {
return isNull(collection) || collection.isEmpty();
}
public static boolean isNotEmpty(Collection collection) {
return nonNull(collection) && !collection.isEmpty();
}
public static boolean isEmpty(Map map) {
return isNull(map) || map.isEmpty();
}
public static boolean isNotEmpty(Map map) {
return nonNull(map) && !map.isEmpty();
}
public static String printInfo(Object object, boolean full) {
if (isNull(object)) {
return "null";
} else {
if (object instanceof Collection> collection) {
if (full) {
return collection.getClass().getSimpleName() + "[" + collection.stream().map(o -> isNull(o) ? "null" : o.toString()).collect(joining(", ")) + "]";
}
return collection.getClass().getSimpleName() + "[" + collection.size() + "]";
} else if (object instanceof Map, ?> map) {
if (full) {
return map.getClass().getSimpleName() + "[" + map.entrySet().stream().map(e -> "{" + e.getKey().toString() + ": " + printInfo(e.getValue(), true) + "}").collect(joining(", ")) + "]";
}
return map.getClass().getSimpleName() + "[" + map.size() + "]";
} else {
return object.toString();
}
}
}
}