com.amazonaws.http.apache.SdkProxyRoutePlanner Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aws-java-sdk-osgi Show documentation

The AWS SDK for Java with support for OSGi. The AWS SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

There is a newer version: 1.11.60

Show newest version

/*
 * Copyright 2016-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.amazonaws.http.apache;

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.impl.conn.DefaultSchemePortResolver;
import org.apache.http.protocol.HttpContext;

import com.amazonaws.annotation.SdkInternalApi;
import com.amazonaws.http.apache.client.impl.ApacheHttpClientFactory;
import com.amazonaws.util.StringUtils;

/**
 * SdkProxyRoutePlanner delegates a Proxy Route Planner from the settings instead of the
 * system properties. It will use the proxy created from proxyHost and proxyPort and
 * filter the hosts who matches nonProxyHosts pattern.
 *
 * @see ApacheHttpClientFactory#create(com.amazonaws.http.settings.HttpClientSettings)
 */
@SdkInternalApi
public class SdkProxyRoutePlanner extends DefaultRoutePlanner {
    private HttpHost proxy;
    private String[] hostPatterns;

    public SdkProxyRoutePlanner(String proxyHost, int proxyPort, String nonProxyHosts) {
        super(DefaultSchemePortResolver.INSTANCE);
        proxy = new HttpHost(proxyHost, proxyPort);
        parseNonProxyHosts(nonProxyHosts);
    }

    private void parseNonProxyHosts(String nonProxyHosts) {
        if (!StringUtils.isNullOrEmpty(nonProxyHosts)) {
            String[] hosts = nonProxyHosts.split("\\|");
            hostPatterns = new String[hosts.length];
            for (int i = 0; i < hosts.length; ++i) {
                hostPatterns[i] = hosts[i].toLowerCase().replace("*", ".*?");
            }
        }
    }

    boolean doesTargetMatchNonProxyHosts(HttpHost target) {
        if (hostPatterns == null) {
            return false;
        }
        String targetHost = target.getHostName().toLowerCase();
        for (String pattern : hostPatterns) {
            if (targetHost.matches(pattern)) return true;
        }
        return false;
    }

    @Override
    protected HttpHost determineProxy(
        final HttpHost target,
        final HttpRequest request,
        final HttpContext context) throws HttpException {

        return doesTargetMatchNonProxyHosts(target) ? null : proxy;
    }
}