Added example using embedded Jetty and Guice - meaning its way more easy to debug and 'deploy'

This commit is contained in:
jkiddo 2015-10-15 15:08:58 +02:00 committed by jkv
parent 43f21c0dcf
commit ba9d951053
9 changed files with 261 additions and 0 deletions

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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">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>ca.uhn.hapi.fhir</groupId>
<artifactId>hapi-fhir</artifactId>
<version>1.2</version>
</parent>
<packaging>jar</packaging>
<artifactId>hapi-fhir-base-example-embedded-ws</artifactId>
<dependencies>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-servlet</artifactId>
</dependency>
<dependency>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-webapp</artifactId>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</dependency>
<dependency>
<groupId>com.google.inject</groupId>
<artifactId>guice</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>com.google.inject.extensions</groupId>
<artifactId>guice-servlet</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>com.sun.jersey.contribs</groupId>
<artifactId>jersey-guice</artifactId>
<version>1.18.1</version>
</dependency>
<dependency>
<groupId>ca.uhn.hapi.fhir</groupId>
<artifactId>hapi-fhir-structures-dstu2</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
</project>

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package embedded;
import java.util.Map;
import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableMap;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.servlet.GuiceServletContextListener;
import com.sun.jersey.api.container.filter.GZIPContentEncodingFilter;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.guice.JerseyServletModule;
import filters.CharsetResponseFilter;
import filters.CorsResponseFilter;
public class ContextListener extends GuiceServletContextListener {
@Override
protected Injector getInjector() {
return Guice.createInjector(new JerseyServletModule() {
@Override
protected void configureServlets() {
final Map<String, String> params = ImmutableMap
.<String, String> builder()
.put(ResourceConfig.PROPERTY_CONTAINER_RESPONSE_FILTERS,
Joiner.on(";").join(
CharsetResponseFilter.class.getName(),
CorsResponseFilter.class.getName(),
GZIPContentEncodingFilter.class
.getName())).build();
serve("/model/*").with(FhirRestfulServlet.class, params);
}
});
}
}

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package embedded;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Singleton;
import ca.uhn.fhir.context.FhirContext;
import ca.uhn.fhir.narrative.DefaultThymeleafNarrativeGenerator;
import ca.uhn.fhir.narrative.INarrativeGenerator;
import ca.uhn.fhir.rest.server.IResourceProvider;
import ca.uhn.fhir.rest.server.RestfulServer;
import ca.uhn.fhir.rest.server.interceptor.ResponseHighlighterInterceptor;
@Singleton
public class FhirRestfulServlet extends RestfulServer {
/**
*
*/
private static final long serialVersionUID = -3931111342737918913L;
public FhirRestfulServlet() {
super(FhirContext.forDstu2()); // Support DSTU2
}
/**
* This method is called automatically when the servlet is initializing.
*/
@Override
public void initialize() {
/*
* Two resource providers are defined. Each one handles a specific type
* of resource.
*/
final List<IResourceProvider> providers = new ArrayList<IResourceProvider>();
providers.add(new SomeResourceProvider());
setResourceProviders(providers);
/*
* Use a narrative generator. This is a completely optional step, but
* can be useful as it causes HAPI to generate narratives for resources
* which don't otherwise have one.
*/
final INarrativeGenerator narrativeGen = new DefaultThymeleafNarrativeGenerator();
getFhirContext().setNarrativeGenerator(narrativeGen);
/*
* Tells HAPI to use content types which are not technically FHIR
* compliant when a browser is detected as the requesting client. This
* prevents browsers from trying to download resource responses instead
* of displaying them inline which can be handy for troubleshooting.
*/
setUseBrowserFriendlyContentTypes(true);
registerInterceptor(new ResponseHighlighterInterceptor());
}
}

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package embedded;
import java.util.EnumSet;
import javax.servlet.DispatcherType;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;
import com.google.inject.servlet.GuiceFilter;
public class ServerStartup {
public static void main(final String[] args) throws Exception {
final Server server = new Server(9090);
final ServletContextHandler sch = new ServletContextHandler(server, "/");
sch.addEventListener(new ContextListener());
sch.addFilter(GuiceFilter.class, "/*",
EnumSet.of(DispatcherType.REQUEST));
sch.addServlet(DefaultServlet.class, "/");
server.start();
}
}

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package embedded;
import java.util.List;
import org.hl7.fhir.instance.model.api.IBaseResource;
import ca.uhn.fhir.model.dstu2.resource.Practitioner;
import ca.uhn.fhir.model.primitive.StringDt;
import ca.uhn.fhir.rest.annotation.RequiredParam;
import ca.uhn.fhir.rest.annotation.Search;
import ca.uhn.fhir.rest.server.IResourceProvider;
import ca.uhn.fhir.rest.server.exceptions.UnprocessableEntityException;
public class SomeResourceProvider implements IResourceProvider {
@Override
public Class<? extends IBaseResource> getResourceType() {
return Practitioner.class;
}
@Search()
public List<Practitioner> findPractitionersByName(
@RequiredParam(name = Practitioner.SP_NAME) final StringDt theName) {
throw new UnprocessableEntityException(
"Please provide more than 4 characters for the name");
}
}

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package filters;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerResponse;
import com.sun.jersey.spi.container.ContainerResponseFilter;
public class CharsetResponseFilter implements ContainerResponseFilter {
@Override
public ContainerResponse filter(final ContainerRequest request,
final ContainerResponse response) {
final MediaType contentType = response.getMediaType();
if (contentType != null) {
response.getHttpHeaders().putSingle(HttpHeaders.CONTENT_TYPE,
contentType.toString() + ";charset=UTF-8");
}
return response;
}
}

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package filters;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import com.sun.jersey.spi.container.ContainerRequest;
import com.sun.jersey.spi.container.ContainerResponse;
import com.sun.jersey.spi.container.ContainerResponseFilter;
public class CorsResponseFilter implements ContainerResponseFilter {
@Override
public ContainerResponse filter(final ContainerRequest req,
final ContainerResponse contResp) {
final ResponseBuilder resp = Response.fromResponse(contResp
.getResponse());
resp.header("Access-Control-Allow-Origin", "*").header(
"Access-Control-Allow-Methods", "GET, POST, OPTIONS");
final String reqHead = req
.getHeaderValue("Access-Control-Request-Headers");
if (null != reqHead && !reqHead.equals("")) {
resp.header("Access-Control-Allow-Headers", reqHead);
}
contResp.setResponse(resp.build());
return contResp;
}
}

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<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.m2e.core.maven2Builder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>

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</profile>
</profiles>
<modules>
<module>hapi-fhir-base-example-embedded-ws</module>
</modules>
</project>