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/*******************************************************************************
* Copyright (c) 2008, 2010 compeople AG and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* compeople AG (Stefan Liebig) - initial API and implementation
* IBM Corporation - Add proxy providers layer on the top of ProxyManager (bug 255616)
*******************************************************************************/
package org.eclipse.core.internal.net.proxy.win32.winhttp;
import java.net.URI;
import org.eclipse.core.internal.net.StringUtil;
/**
* Encapsulates the windows specific proxy bypass list. It transforms the native
* API proxy bypass list into queryable java object.
*
* @see "http://msdn2.microsoft.com/en-us/library/aa383912(VS.85).aspx"
*/
public class ProxyBypass {
private final String proxyBypass;
private final String proxyBypassEntries[];
private final static String BYPASS_LOCAL_ADDESSES_TOKEN = "<local>"; //$NON-NLS-1$
/**
* Create a ProxyBypass instance from the proxy bypass list string.
*
* @param proxyBypass
*/
public ProxyBypass(String proxyBypass) {
this.proxyBypass = proxyBypass != null ? proxyBypass : ""; //$NON-NLS-1$
if (proxyBypass != null) {
proxyBypassEntries = StringUtil.split(proxyBypass, new String[] {
";", "|" }); //$NON-NLS-1$ //$NON-NLS-2$
} else {
proxyBypassEntries = new String[0];
}
}
/**
* Check whether the given uri should bypass the proxy.
*
* @param uri
* @return true if the the uri should bypass the proxy; otherwise false
*/
public boolean bypassProxyFor(URI uri) {
final String host = uri.getHost();
if (host == null)
return false;
return (isLocal(host) && isBypassLocalAddresses(proxyBypass))
|| isInBypassList(host);
}
/**
* @param proxyBypass
* @param uri
* @return
*/
private boolean isInBypassList(String host) {
for (int i = 0; i < proxyBypassEntries.length; i++) {
String entry = proxyBypassEntries[i];
if (StringUtil.hostMatchesFilter(host, entry)) {
return true;
}
}
return false;
}
/**
* @param uri
* @return
*/
private static boolean isLocal(String host) {
return host.indexOf(".") == -1; //$NON-NLS-1$
}
/**
* @param addressListString
* @return
*/
private static boolean isBypassLocalAddresses(String proxyBypass) {
return proxyBypass.indexOf(BYPASS_LOCAL_ADDESSES_TOKEN) != -1;
}
public String[] getNonProxiedHosts() {
String ret = StringUtil.replace(proxyBypass, "|", ";"); //$NON-NLS-1$ //$NON-NLS-2$
return StringUtil.split(ret, new String[] { ";" }); //$NON-NLS-1$
}
}
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