/*
* Copyright (C) 2014 Camptocamp
*
* This file is part of MapFish Print
*
* MapFish Print is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* MapFish Print 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MapFish Print. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mapfish.print.http;
import org.apache.http.HttpException;
import org.apache.http.HttpHost;
import org.apache.http.HttpRequest;
import org.apache.http.impl.conn.DefaultRoutePlanner;
import org.apache.http.protocol.HttpContext;
import org.mapfish.print.config.Configuration;
import org.mapfish.print.processor.http.matcher.MatchInfo;
import org.springframework.http.HttpMethod;
import java.net.MalformedURLException;
import java.net.SocketException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.List;
/**
* A Route planner that obtains proxies from the configuration that is currently in
* {@link org.mapfish.print.http.MfClientHttpRequestFactoryImpl#CURRENT_CONFIGURATION}.
*
* {@link MfClientHttpRequestFactoryImpl.Request} will set the correct configuration
* before the request is executed so that correct proxies will be set.
*
* @author Jesse on 9/4/2014.
*/
public final class MfRoutePlanner extends DefaultRoutePlanner {
/**
* Constructor.
*/
public MfRoutePlanner() {
super(null);
}
@Override
protected HttpHost determineProxy(final HttpHost target,
final HttpRequest request,
final HttpContext context) throws HttpException {
Configuration config = MfClientHttpRequestFactoryImpl.getCurrentConfiguration();
if (config == null) {
return null;
}
final URI uri;
try {
uri = new URI(request.getRequestLine().getUri());
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
HttpMethod method = HttpMethod.valueOf(request.getRequestLine().getMethod());
final List<HttpProxy> proxies = config.getProxies();
for (HttpProxy proxy : proxies) {
try {
if (proxy.matches(MatchInfo.fromUri(uri, method))) {
return proxy.getHttpHost();
}
} catch (SocketException e) {
throw new HttpException(e.getMessage(), e);
} catch (UnknownHostException e) {
throw new HttpException(e.getMessage(), e);
} catch (MalformedURLException e) {
throw new HttpException(e.getMessage(), e);
}
}
return null;
}
}