Example usage for org.apache.commons.httpclient.contrib.proxy ProxyDetectionException ProxyDetectionException

Introduction

In this page you can find the example usage for org.apache.commons.httpclient.contrib.proxy ProxyDetectionException ProxyDetectionException.

Prototype

public ProxyDetectionException(String message, Throwable cause) 

Source Link

Document

Creates a new ProxyDetectionException with the specified detail message and cause.

Usage

From source file:org.apache.commons.httpclient.contrib.proxy.PluginProxyUtil.java

/**
 * Returns the proxy host information found by inspecting the system
 * property "javaplugin.proxy.config.list".
 *
 * @return ProxyHost the host and port of the proxy that should be used
 * @throws ProxyDetectionException if an exception is encountered while
 *                                 parsing the value of
 *                                 PLUGIN_PROXY_CONFIG_PROP
 *//*from  w w w. ja v a  2 s  .  co  m*/
private static HttpHost getPluginProxyConfigSettings() throws ProxyDetectionException {
    HttpHost result = null;
    try {
        Properties properties = System.getProperties();
        String proxyList = properties.getProperty("javaplugin.proxy.config.list");
        if (LOG.isDebugEnabled()) {
            LOG.debug("Plugin Proxy Config List Property:" + proxyList);
        }
        boolean useProxy = (proxyList != null);
        if (useProxy) {
            proxyList = proxyList.toUpperCase(Locale.getDefault());
            //  Using HTTP proxy as proxy for HTTP proxy tunnelled SSL
            //  socket (should be listed FIRST)....
            //  1/14/03 1.3.1_06 appears to omit HTTP portion of
            //  reported proxy list... Mod to accomodate this...
            //  Expecting proxyList of "HTTP=XXX.XXX.XXX.XXX:Port" OR
            //  "XXX.XXX.XXX.XXX:Port" & assuming HTTP...
            String proxyIP = "";
            if (proxyList.indexOf("HTTP=") > -1) {
                proxyIP = proxyList.substring(proxyList.indexOf("HTTP=") + 5, proxyList.indexOf(":"));
            } else {
                proxyIP = proxyList.substring(0, proxyList.indexOf(":"));
            }
            int endOfPort = proxyList.indexOf(",");
            if (endOfPort < 1) {
                endOfPort = proxyList.length();
            }
            String portString = proxyList.substring(proxyList.indexOf(":") + 1, endOfPort);
            int proxyPort = Integer.parseInt(portString);
            if (LOG.isDebugEnabled()) {
                LOG.debug("proxy " + proxyIP + " port " + proxyPort);
            }
            result = new HttpHost(proxyIP, proxyPort);
        } else {
            LOG.debug("No configured plugin proxy list");
            result = NO_PROXY_HOST;
        }
    } catch (Exception e) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Exception during failover auto proxy detection, " + ", e:" + e);
            throw new ProxyDetectionException("Encountered unexpected exception while attempting "
                    + "to parse proxy information stored in " + PLUGIN_PROXY_CONFIG_PROP, e);
        }
    }
    return result;
}

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