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/*******************************************************************************
* Copyright (c) 2007 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* yyyymmdd bug Email and other contact information
* -------- -------- -----------------------------------------------------------
* 20070124 167487 gilberta@ca.ibm.com - Gilbert Andrews
*******************************************************************************/
package org.eclipse.wst.ws.internal.common;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
public class HTTPUtility {
public String handleRedirect(String urlString){
URLConnection conn = null;
String urlRedirect = urlString;
int time = 0;
while(urlRedirect!= null){
if (time == 6) return urlRedirect;
try{
URL url = new URL(urlRedirect);
conn = url.openConnection();
}catch(Exception exc){
return urlRedirect;
}
if (conn instanceof HttpURLConnection)
{
HttpURLConnection http = (HttpURLConnection) conn;
http.setInstanceFollowRedirects(false);
try{
int code = http.getResponseCode();
if (code >= 300 && code <= 307 && code != 306 &&
code != HttpURLConnection.HTTP_NOT_MODIFIED)
{
String urlRedirect2 = changeSlash(http.getHeaderField("Location"));
if (urlRedirect2 == null || urlRedirect.equals(urlRedirect2)) return urlRedirect;
else urlRedirect = urlRedirect2;
}else return urlRedirect;
}catch(IOException exc){
return urlRedirect;
}
}
else return urlRedirect;
time++;
}
return urlString;
}
public String changeSlash(String url){
String temp = "";
try{
temp = url.replace('\\', '/');
}catch(Exception exc){
return url;
}
return temp;
}
}
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