Files
plusone-commons/src/main/java/xyz/zhouxy/plusone/commons/util/StringTools.java

53 lines
1.5 KiB
Java

/*
* Copyright 2024 the original author or authors.
*
* 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
*
* https://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.
*/
package xyz.zhouxy.plusone.commons.util;
import java.util.Objects;
import com.google.common.annotations.Beta;
@Beta
public class StringTools {
public static final String EMPTY_STRING = "";
public static boolean isNotBlank(final String cs) {
if (cs == null || cs.isEmpty()) {
return false;
}
for (int i = 0; i < cs.length(); i++) {
if (!Character.isWhitespace(cs.charAt(i))) {
return true;
}
}
return false;
}
public static String repeat(String str, int times) {
return repeat(str, times, Integer.MAX_VALUE);
}
public static String repeat(String str, int times, int maxLength) {
AssertTools.checkArgument(Objects.nonNull(str));
return String.valueOf(ArrayTools.repeat(str.toCharArray(), times, maxLength));
}
private StringTools() {
throw new IllegalStateException("Utility class");
}
}