59 lines
1.9 KiB
Java
59 lines
1.9 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>Generates an SVG QR Code for a template value using <a href="https://goqr.me/">goQR.me</a>.</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.QrCode:valueId/-->
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* {{v render:rife.render.QrCode: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.QrCode">rife.render.QrCode</a>
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* @since 1.0
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*/
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public class QrCode 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 size = "150x150";
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if (template.hasDefaultValue(valueId)) {
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var properties = new Properties();
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try {
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properties.load(new StringReader(template.getDefaultValue(valueId)));
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size = properties.getProperty("size", size);
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} catch (IOException ignore) {
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// do nothing
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}
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}
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return RenderUtils.qrCode(template.getValueOrAttribute(differentiator), size);
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}
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}
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