rife2-template-renderers/lib/src/main/java/rife/render/RenderUtils.java

48 lines
1.4 KiB
Java

/*
* Copyright 2023 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 rife.render;
import rife.template.Template;
import rife.tools.Convert;
/**
* Collection of utility-type methods commonly used by the renderers.
*/
public final class RenderUtils {
private RenderUtils() {
// no-op
}
/**
* Fetches the specified value from a template or template's attribute.
*
* @param template the template
* @param valueId the ID of the value to fetch
* @return the fetched value.
*/
public static String fetchValue(Template template, String valueId) {
Object value = null;
if (template.hasValueId(valueId)) {
value = template.getValue(valueId);
}
if (value == null && template.hasAttribute(valueId)) {
value = template.getAttribute(valueId);
}
return Convert.toString(value);
}
}