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Daniel-Doschkal
Daniel-Dos
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chkal
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Added Jtwig view engine (#180)
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‎ext/jtwig/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Copyright © 2017 Ivar Grimstad ([email protected])
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.mvc-spec.ozark.ext</groupId>
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<artifactId>ozark-parent-ext</artifactId>
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<version>1.0.0-m04-SNAPSHOT</version>
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</parent>
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<artifactId>ozark-jtwig</artifactId>
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<packaging>jar</packaging>
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<name>Ozark Jtwig Extension</name>
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<dependencies>
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<dependency>
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<groupId>org.jtwig</groupId>
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<artifactId>jtwig-web</artifactId>
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<version>5.87.0.RELEASE</version>
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</dependency>
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</dependencies>
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</project>

‎ext/jtwig/src/main/java/org/mvcspec/ozark/ext/jtwig/JtwigViewEngine.java

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/*
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* Copyright © 2017 Ivar Grimstad ([email protected])
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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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* http://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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package org.mvcspec.ozark.ext.jtwig;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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import javax.annotation.PostConstruct;
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import javax.enterprise.context.ApplicationScoped;
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import javax.mvc.engine.ViewEngineContext;
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import javax.mvc.engine.ViewEngineException;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.jtwig.web.servlet.JtwigRenderer;
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import org.mvcspec.ozark.engine.ViewEngineBase;
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/**
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* @author Daniel Dias
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*/
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@ApplicationScoped
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public class JtwigViewEngine extends ViewEngineBase {
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private JtwigRenderer jtwigRenderer;
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@PostConstruct
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public void init() {
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jtwigRenderer = JtwigRenderer.defaultRenderer();
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}
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public boolean supports(String view) {
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return view.endsWith(".twig.html") || view.endsWith(".twig");
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}
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public void processView(ViewEngineContext context) throws ViewEngineException {
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try {
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Map<String, Object> model = new HashMap<>(context.getModels());
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model.put("request", context.getRequest(HttpServletRequest.class));
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HttpServletRequest request = context.getRequest(HttpServletRequest.class);
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HttpServletResponse response = context.getResponse(HttpServletResponse.class);
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jtwigRenderer.dispatcherFor(resolveView(context)).with(model).render(request,response);
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} catch (ServletException | IOException e) {
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throw new ViewEngineException(e);
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}
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}
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}

‎ext/jtwig/src/main/resources/META-INF/beans.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Copyright © 2017 Ivar Grimstad ([email protected])
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
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bean-discovery-mode="all">
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</beans>

‎ext/pom.xml

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<module>velocity</module>
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<module>pebble</module>
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<module>groovy</module>
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<module>jtwig</module>
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</modules>
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<dependencies>

‎test/jtwig/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Copyright © 2017 Ivar Grimstad ([email protected])
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.mvc-spec.ozark.test</groupId>
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<artifactId>ozark-parent-test</artifactId>
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<version>1.0.0-m04-SNAPSHOT</version>
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</parent>
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<artifactId>jtwig</artifactId>
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<packaging>war</packaging>
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<name>Ozark Jtwig Tests</name>
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<build>
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<finalName>test-jtwig</finalName>
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</build>
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<dependencies>
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<dependency>
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<groupId>org.mvc-spec.ozark.ext</groupId>
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<artifactId>ozark-jtwig</artifactId>
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<version>${project.version}</version>
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<scope>compile</scope>
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</dependency>
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</dependencies>
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</project>

‎test/jtwig/src/main/java/org/mvcspec/ozark/test/jtwig/HelloController.java

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/*
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* Copyright © 2017 Ivar Grimstad ([email protected])
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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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* http://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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package org.mvcspec.ozark.test.jtwig;
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import javax.inject.Inject;
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import javax.mvc.Controller;
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import javax.mvc.Models;
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import javax.mvc.View;
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import javax.ws.rs.GET;
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import javax.ws.rs.Path;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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/**
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* HelloController test.
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*
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* @author Daniel Dias
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*/
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@Path("hello")
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public class HelloController {
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@Inject
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private Models models;
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@GET
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@Controller
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@View("hello.twig.html")
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public void hello(@QueryParam("user") String user) {
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models.put("user", user);
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}
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}

‎test/jtwig/src/main/java/org/mvcspec/ozark/test/jtwig/MyApplication.java

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/*
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* Copyright © 2017 Ivar Grimstad ([email protected])
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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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* http://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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package org.mvcspec.ozark.test.jtwig;
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import javax.ws.rs.ApplicationPath;
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import javax.ws.rs.core.Application;
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import java.util.Collections;
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import java.util.Set;
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/**
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* Class MyApplication.
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*
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* @author Daniel Dias
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*/
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@ApplicationPath("resources")
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public class MyApplication extends Application {
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@Override
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public Set<Class<?>> getClasses() {
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return Collections.singleton(HelloController.class);
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}
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}

‎test/jtwig/src/main/webapp/WEB-INF/beans.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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Copyright © 2017 Ivar Grimstad ([email protected])
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
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bean-discovery-mode="all">
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</beans>

‎test/jtwig/src/main/webapp/WEB-INF/views/hello.twig.html

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<!DOCTYPE html>
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<html>
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<head lang="en">
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<meta charset="UTF-8">
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<title>Hello</title>
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<link rel="stylesheet" type="text/css" href="{{request.contextPath}}/ozark.css"/>
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</head>
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<body>
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<h1>Hello {{ user }}</h1>
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</body>
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</html>

‎test/jtwig/src/main/webapp/index.html

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<!DOCTYPE html>
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<html>
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<head>
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<title>Hello Controller using Jtwig</title>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<link rel="stylesheet" type="text/css" href="ozark.css">
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</head>
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<body>
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<h1>Hello Controller using Jtwig</h1>
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<ul>
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<li><a href="resources/hello?user=mvc">resources/hello?user=mvc</a>
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</ul>
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<br/>
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<a class="source" href="https://github.com/mvc-spec/ozark/blob/master/test/jtwig/src/main/java/org/mvcspec/ozark/test/jtwig/HelloController.java">Source Code</a>
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</body>
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</html>

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