com.beyondjservlet.gateway.servlet.ProxyDetails.java Source code

Introduction

Here is the source code for com.beyondjservlet.gateway.servlet.ProxyDetails.java

Source

/**
 *  Copyright 2005-2014 Red Hat, Inc.
 *
 *  Red Hat licenses this file to you 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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License 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.beyondjservlet.gateway.servlet;

import com.beyondj.gateway.model.HttpProxyRule;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.lang3.StringUtils;

import java.net.URL;

/**
 */
public class ProxyDetails {
    private final boolean valid;
    private final String stringProxyURL;

    private final HttpProxyRule proxyRule;
    private String proxyHostAndPort;
    private String protocol;
    private String proxyPath;

    public ProxyDetails(boolean valid, String stringProxyURL, HttpProxyRule proxyRule) {
        this.valid = valid;
        this.stringProxyURL = stringProxyURL;
        this.proxyRule = proxyRule;

        int port = 0;
        String host = "";

        try {
            URL url = new URL(stringProxyURL);
            proxyPath = url.getPath();
            protocol = url.getProtocol();
            proxyHostAndPort = url.getHost() + ":" + url.getPort();
        } catch (Exception e) {
            while (proxyHostAndPort.startsWith("/")) {
                proxyHostAndPort = proxyHostAndPort.substring(1);
            }
            host = proxyHostAndPort;
            int idx = indexOf(proxyHostAndPort, ":", "/");
            if (idx > 0) {
                host = proxyHostAndPort.substring(0, idx);
                String portText = proxyHostAndPort.substring(idx + 1);
                idx = portText.indexOf("/");
                if (idx >= 0) {
                    proxyPath = portText.substring(idx);
                    portText = portText.substring(0, idx);
                }

                if (StringUtils.isNotBlank(portText)) {
                    // portText may be a port unless its default
                    try {
                        port = Integer.parseInt(portText);
                        proxyHostAndPort = host + ":" + port;
                    } catch (NumberFormatException ex) {
                        port = 80;
                        // we do not have a port, so proxyPath is the portText
                        proxyPath = "/" + portText + proxyPath;
                        proxyHostAndPort = host;
                    }
                } else {
                    proxyHostAndPort = host;
                }
            }
        }
    }

    public String getProtocol() {
        return protocol;
    }

    /**
     * Returns the lowest index of the given list of values
     */
    protected int indexOf(String text, String... values) {
        int answer = -1;
        for (String value : values) {
            int idx = text.indexOf(value);
            if (idx >= 0) {
                if (answer < 0 || idx < answer) {
                    answer = idx;
                }
            }
        }
        return answer;
    }

    public boolean isValid() {
        return valid;
    }

    public String getStringProxyURL() {
        return stringProxyURL;
    }

    public HttpClient createHttpClient() {
        HttpClient client = new HttpClient();
        return client;
    }

    public String getProxyHostAndPort() {
        return proxyHostAndPort;
    }

    public String getProxyPath() {
        return proxyPath;
    }

    public HttpProxyRule getProxyRule() {
        return proxyRule;
    }

    @Override
    public String toString() {
        return "ProxyDetails{" + "valid=" + valid + ", stringProxyURL='" + stringProxyURL + '\'' + ", proxyRule="
                + proxyRule + ", proxyHostAndPort='" + proxyHostAndPort + '\'' + ", proxyPath='" + proxyPath + '\''
                + ", protocol='" + protocol + '\'' + '}';
    }
}