/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.test.clustering;
import static org.junit.Assert.*;
import static org.jboss.as.test.clustering.ClusteringTestConstants.GRACE_TIME_TO_REPLICATE;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.client.utils.HttpClientUtils;
import org.apache.http.impl.client.HttpClients;
/**
* Helper class to start and stop container including a deployment.
*
* @author Radoslav Husar
* @version April 2012
*/
public final class ClusterHttpClientUtil {
public static void establishTopology(URL baseURL, String container, String cache, String... nodes) throws URISyntaxException, IOException {
establishTopology(baseURL, container, cache, TopologyChangeListener.DEFAULT_TIMEOUT, nodes);
}
public static void establishTopology(URL baseURL, String container, String cache, long timeout, String... nodes) throws URISyntaxException, IOException {
HttpClient client = HttpClients.createDefault();
try {
establishTopology(client, baseURL, container, cache, timeout, nodes);
} finally {
HttpClientUtils.closeQuietly(client);
}
}
public static void establishTopology(HttpClient client, URL baseURL, String container, String cache, long timeout, String... nodes)
throws URISyntaxException, IOException {
URI uri = TopologyChangeListenerServlet.createURI(baseURL, container, cache, timeout, nodes);
HttpResponse response = client.execute(new HttpGet(uri));
try {
assertEquals(HttpServletResponse.SC_OK, response.getStatusLine().getStatusCode());
} finally {
HttpClientUtils.closeQuietly(response);
}
}
/**
* Tries a get on the provided client with default GRACE_TIME_TO_MEMBERSHIP_CHANGE.
*
* @param client
* @param url
* @return HTTP response
* @throws IOException
*/
public static HttpResponse tryGet(final HttpClient client, final String url) throws IOException {
return tryGet(client, url, ClusteringTestConstants.GRACE_TIME_TO_REPLICATE);
}
public static HttpResponse tryGet(final HttpClient client, final HttpUriRequest r) throws IOException {
final long startTime;
HttpResponse response = client.execute(r);
startTime = System.currentTimeMillis();
while(response.getStatusLine().getStatusCode() != HttpServletResponse.SC_OK && startTime + GRACE_TIME_TO_REPLICATE > System.currentTimeMillis()) {
response = client.execute(r);
}
return response;
}
/**
* Tries a get on the provided client with specified graceTime in milliseconds.
*
* @param client
* @param url
* @param graceTime
* @return
* @throws IOException
*/
public static HttpResponse tryGet(final HttpClient client, final String url, final long graceTime) throws IOException {
return tryGet(client, new HttpGet(url));
}
/**
* Tries a get on the provided client consuming the request body.
*
* @param client
* @param url
* @return response body as string
* @throws IOException
*/
public static String tryGetAndConsume(final HttpClient client, final String url) throws IOException {
// Get the response
HttpResponse response = tryGet(client, url);
// Consume it
StringBuilder sb = new StringBuilder();
try (BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()), 4096)) {
String line;
while ((line = br.readLine()) != null) {
sb.append(line);
}
}
return sb.toString();
}
/**
* Utility class.
*/
private ClusterHttpClientUtil() {
}
}