64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
/*
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* Copyright 2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package rife.render;
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import rife.template.Template;
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import rife.template.ValueRenderer;
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import java.io.IOException;
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import java.io.StringReader;
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import java.util.Properties;
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/**
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* <p>Masks characters of a template value.</p>
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*
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* <p>Usage:</p>
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*
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* <pre>
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* <!--v render:rife.render.Mask:valueId/-->
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* {{v render:rife.render.Mask:valueId/}}
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* </pre>
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*
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* @author <a href="https://erik.thauvin.net/">Erik C. Thauvin</a>
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* @see <a href="https://github.com/rife2/rife2-template-renderers/wiki/rife.render.Mask">rife.render.Mask</a>
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* @since 1.0
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*/
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public class Mask implements ValueRenderer {
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/**
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* {@inheritDoc}
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*/
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@Override
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public String render(Template template, String valueId, String differentiator) {
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var mask = "*";
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var unmasked = 0;
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var fromStart = false;
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var defaultValue = template.getDefaultValue(valueId);
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if (defaultValue != null) {
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var properties = new Properties();
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try {
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properties.load(new StringReader(defaultValue));
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mask = properties.getProperty("mask", mask);
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unmasked = Integer.parseInt(properties.getProperty("unmasked", "0"));
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fromStart = "true".equalsIgnoreCase(properties.getProperty("fromStart", "false"));
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} catch (IOException | NumberFormatException ignore) {
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// do nothing
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}
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}
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return RenderUtils.mask(template.getValueOrAttribute(differentiator), mask, unmasked, fromStart);
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}
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}
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