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/**
* 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
*
* https://github.com/mp911de/rest-api-test
*
* Embedded InMemory REST server for RESTEasy. Usage:
* <ul>
* <li>InMemoryRestServer srv = InMemoryRestServer.create(...) passing your resources and provider classes</li>
* <li>srv.baseUri() for BaseUrl</li>
* <li>srv.newRequest("/relative/resource/path") to issue requests</li>
* <li>srv.close() to stop</li>
* </ul>
*
*/
package org.onap.portalsdk.fw.test;
import java.io.IOException;
import java.net.ServerSocket;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.core.Application;
import org.jboss.resteasy.client.jaxrs.ResteasyClient;
import org.jboss.resteasy.client.jaxrs.ResteasyWebTarget;
import org.jboss.resteasy.plugins.server.embedded.SecurityDomain;
import org.jboss.resteasy.plugins.server.tjws.TJWSEmbeddedJaxrsServer;
public class InMemoryRestServer implements AutoCloseable {
private int port;
private Set<Object> objects = new HashSet<Object>();
@SuppressWarnings("rawtypes")
private Set<Class> classes = new HashSet<Class>();
private TJWSEmbeddedJaxrsServer server;
private SecurityDomain securityDomain;
private ResteasyClient resteasyClient;
private String bindAddress = "localhost";
private InMemoryRestServer(Object... objects) {
append(objects);
}
/**
* Create instance and pass given instances/classes as singletons/providers.
*
* @param port
* Port number to bind
* @param objects
* Resource providers
* @return running instance of {@link InMemoryRestServer}
* @throws IOException
* In case of error
*/
public static InMemoryRestServer create(int port, Object... objects) throws IOException {
InMemoryRestServer inMemoryRestServer = new InMemoryRestServer(objects);
inMemoryRestServer.start(port);
return inMemoryRestServer;
}
@SuppressWarnings("rawtypes")
private void append(Object... objects) {
for (Object object : objects) {
if (object instanceof Class) {
classes.add((Class) object);
} else {
this.objects.add(object);
}
}
}
private void start(int requestPort) throws IOException {
if (requestPort <= 0)
port = findFreePort();
else
port = requestPort;
server = new TJWSEmbeddedJaxrsServer();
server.setPort(port);
server.setBindAddress(bindAddress);
server.setSecurityDomain(securityDomain);
for (Object object : objects) {
if (object instanceof Application) {
server.getDeployment().setApplication((Application) object);
} else {
server.getDeployment().getResources().add(object);
}
}
for (@SuppressWarnings("rawtypes") Class resourceOrProvider : classes) {
if (Application.class.isAssignableFrom(resourceOrProvider)) {
server.getDeployment().setApplicationClass(resourceOrProvider.getName());
} else {
server.getDeployment().getProviderClasses().add(resourceOrProvider.getName());
}
}
server.start();
}
/**
* @return baseURI (http://localhost:PORT) to the REST server.
*/
public String baseUri() {
return "http://" + bindAddress + ":" + port;
}
/**
* Begin a new {@link ResteasyWebTarget} with additional, relative path with leading /.
*
* @param uriTemplate
* URI template
* @return ResteasyWebTarget
*/
public ResteasyWebTarget newRequest(String uriTemplate) {
return resteasyClient.target(baseUri() + uriTemplate);
}
/**
* Find a free server port.
*
* @return port number.
* @throws IOException
* On failure to create server socket
*/
private static int findFreePort() throws IOException {
ServerSocket server = new ServerSocket(0);
int port = server.getLocalPort();
server.close();
return port;
}
/**
* Close the server and free resources.
*/
@Override
public void close() {
if (server != null) {
server.stop();
server = null;
}
}
}
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