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Daniel-Doschkal
Daniel-Dos
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chkal
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Groovy ViewEngine (#176)
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‎ext/groovy/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
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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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-groovy</artifactId>
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<packaging>jar</packaging>
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<name>Ozark Groovy Extension</name>
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<dependencies>
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<dependency>
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<groupId>org.codehaus.groovy</groupId>
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<artifactId>groovy-templates</artifactId>
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<version>2.5.0</version>
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</dependency>
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</dependencies>
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</project>

‎ext/groovy/src/main/java/org/mvcspec/ozark/ext/groovy/GroovyViewEngine.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.groovy;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.io.Writer;
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import java.nio.charset.Charset;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.stream.Collectors;
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import javax.enterprise.context.ApplicationScoped;
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import javax.inject.Inject;
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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.ServletContext;
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import javax.servlet.http.HttpServletRequest;
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import org.codehaus.groovy.control.CompilationFailedException;
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import org.mvcspec.ozark.engine.ViewEngineBase;
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import org.mvcspec.ozark.engine.ViewEngineConfig;
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import groovy.lang.Writable;
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import groovy.text.Template;
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import groovy.text.markup.MarkupTemplateEngine;
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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 GroovyViewEngine extends ViewEngineBase {
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@Inject
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@ViewEngineConfig
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private MarkupTemplateEngine markupTemplateEngine;
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@Inject
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private ServletContext servletContext;
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public boolean supports(String view) {
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return view.endsWith(".tpl");
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}
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public void processView(ViewEngineContext context) throws ViewEngineException {
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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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Charset charset = resolveCharsetAndSetContentType(context);
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try (Writer writer = new OutputStreamWriter(context.getOutputStream(), charset);
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InputStream resourceAsStream = servletContext.getResourceAsStream(resolveView(context));
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InputStreamReader in = new InputStreamReader(resourceAsStream, "UTF-8");) {
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Template template = markupTemplateEngine.createTemplate(in);
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Writable output = template.make(model);
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output.writeTo(writer);
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} catch (IOException | CompilationFailedException | ClassNotFoundException e) {
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throw new ViewEngineException(e);
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}
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}
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}

‎ext/groovy/src/main/java/org/mvcspec/ozark/ext/groovy/MarkupTemplateEngineProducer.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.groovy;
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import javax.enterprise.inject.Produces;
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import org.mvcspec.ozark.engine.ViewEngineConfig;
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import groovy.text.markup.MarkupTemplateEngine;
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/**
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* @author Daniel Dias
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*/
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public class MarkupTemplateEngineProducer {
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@Produces
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@ViewEngineConfig
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public MarkupTemplateEngine getMarkupTemplateEngine() {
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return new MarkupTemplateEngine();
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}
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}

‎ext/groovy/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>thymeleaf</module>
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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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</modules>
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<dependencies>

‎test/groovy/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 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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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>groovy</artifactId>
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<packaging>war</packaging>
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<name>Ozark Groovy Tests</name>
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<build>
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<finalName>test-groovy</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-groovy</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/groovy/src/main/java/org/mvcspec/ozark/test/groovy/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.groovy;
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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.tpl")
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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/groovy/src/main/java/org/mvcspec/ozark/test/groovy/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.groovy;
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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/groovy/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/groovy/src/main/webapp/WEB-INF/views/hello.tpl

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yieldUnescaped '<!DOCTYPE html>'
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html(lang:'en') {
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head {
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meta('http-equiv':'"Content-Type" content="text/html; charset=utf-8"')
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link(rel: "stylesheet", href: "${request.contextPath}/ozark.css")
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title('Hello')
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}
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body {
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h1("Hello $user")
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}
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}

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