io.thestencil.staticontent.spi.support.ParserAssert Maven / Gradle / Ivy
package io.thestencil.staticontent.spi.support;
/*-
* #%L
* stencil-static-content
* %%
* Copyright (C) 2021 Copyright 2021 ReSys OÜ
* %%
* 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.function.Supplier;
public class ParserAssert {
public static void notEmpty(String object, Supplier message) {
if (object == null || object.isBlank()) {
throw new StaticContentParserException(getMessage(message));
}
}
public static void isEmpty(String object, Supplier message) {
if (object == null || object.isBlank()) {
return;
}
throw new StaticContentParserException(getMessage(message));
}
public static void notNull(Object object, Supplier message) {
if (object == null) {
throw new StaticContentParserException(getMessage(message));
}
}
public static void isTrue(boolean expression, Supplier message) {
if (!expression) {
throw new StaticContentParserException(getMessage(message));
}
}
private static String getMessage(Supplier supplier) {
return (supplier != null ? supplier.get() : null);
}
public static class StaticContentParserException extends RuntimeException {
private static final long serialVersionUID = -16242216446897210L;
public StaticContentParserException(String message, Throwable cause) {
super(message, cause);
}
public StaticContentParserException(String message) {
super(message);
}
public StaticContentParserException(Throwable cause) {
super(cause);
}
}
}