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Implement lit template parser for limited template formats which exte…
…nds LitTemplate element (#8979) Implement lit template parser for limited template formats which extends LitTemplate element Fixes #8966 # Conflicts: # flow-server/src/main/java/com/vaadin/flow/component/littemplate/LitTemplateDataAnalyzer.java # flow-server/src/main/java/com/vaadin/flow/component/polymertemplate/BundleParser.java # flow-server/src/test/resources/META-INF/VAADIN/config/stats.json
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flow-server/src/main/java/com/vaadin/flow/component/littemplate/LitTemplateParser.java
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| /* | ||
| * Copyright 2000-2020 Vaadin Ltd. | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.vaadin.flow.component.littemplate; | ||
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| import org.jsoup.nodes.Element; | ||
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| import com.vaadin.flow.di.Instantiator; | ||
| import com.vaadin.flow.server.VaadinService; | ||
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| /** | ||
| * Lit template content parser. | ||
| * <p> | ||
| * It returns a JSOUP element representing the content of template for the given | ||
| * template class. | ||
| * | ||
| * @see LitTemplateParserImpl | ||
| * | ||
| * @author Vaadin Ltd | ||
| * @since | ||
| * | ||
| */ | ||
| @FunctionalInterface | ||
| public interface LitTemplateParser { | ||
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| /** | ||
| * Lit template parser factory. | ||
| * <p> | ||
| * To be able to create a parser which can be provided as SPI use | ||
| * {@link Instantiator} to create the factory and then get a parser from it: | ||
| * | ||
| * <pre> | ||
| * <code> | ||
| * Instantiator instantiator = ...; | ||
| * LitTemplateParserFactory factory = instantiator.getOrCreate(LitTemplateParserFactory.class); | ||
| * LitTemplateParser parser = factory.createParser(); | ||
| * </code> | ||
| * </pre> | ||
| * <p> | ||
| * | ||
| * @author Vaadin Ltd | ||
| * @see LitTemplateParser | ||
| * @since | ||
| * | ||
| */ | ||
| class LitTemplateParserFactory { | ||
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| /** | ||
| * Creates a Lit template parser instance. | ||
| * | ||
| * @return a lit template parser instance | ||
| */ | ||
| public LitTemplateParser createParser() { | ||
| return LitTemplateParserImpl.getInstance(); | ||
| } | ||
| } | ||
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| /** | ||
| * Wrapper for the parsing result. | ||
| * <p> | ||
| * The data contains path uri where the template is declared and its content | ||
| * as an {@link Element} instance. | ||
| * | ||
| * @author Vaadin Ltd | ||
| * @since | ||
| * | ||
| */ | ||
| class TemplateData { | ||
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| private final String modulePath; | ||
| private final Element templateElement; | ||
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| public TemplateData(String uri, Element element) { | ||
| modulePath = uri; | ||
| templateElement = element; | ||
| } | ||
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| /** | ||
| * Gets the uri where the template is declared. | ||
| * | ||
| * @return template uri | ||
| */ | ||
| public String getModulePath() { | ||
| return modulePath; | ||
| } | ||
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| /** | ||
| * Gets the content of the template. | ||
| * | ||
| * @return the content of the template | ||
| */ | ||
| public Element getTemplateElement() { | ||
| return templateElement; | ||
| } | ||
| } | ||
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| /** | ||
| * Gets the template data which contains a JSOUP {@link Element} | ||
| * representing the template content and the template uri. | ||
| * | ||
| * @param clazz | ||
| * the template class | ||
| * @param tag | ||
| * the template tag name | ||
| * @param service | ||
| * the related Vaadin service | ||
| * | ||
| * @return the template data, may be {@code null} | ||
| */ | ||
| TemplateData getTemplateContent(Class<? extends LitTemplate> clazz, | ||
| String tag, VaadinService service); | ||
| } |
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