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Java Forum / General / July 2005Proxies
Hi everyone, If i were to set the http proxy for a particular url i did this Properties systemProperties = System.getProperties(); systemProperties.setProperty("http.proxyHost", proxy); systemProperties.setProperty("http.proxyPort", port); Is the way that i did the best way to do it and am i doing it correctly?? Richard West > Hi everyone, > [quoted text clipped - 5 lines] > > Is the way that i did the best way to do it and am i doing it correctly?? Depends on who is going to use the proxy value. If it is some API that looks for the proxy settings in the system properties then this is the right way to do it. If the API is not going to look in system properties then this is useless. > Richard West Hemal Pandya wrote: >>If i were to set the http proxy for a particular url i did this >> [quoted text clipped - 8 lines] > right way to do it. If the API is not going to look in system > properties then this is useless. If you don't know the answer please don't just create noise. As the API concerned is the Java Development Kit, specifically java.net.HttpURLConnection and the sun.* classes it uses, this way of doing it is correct. Hi Everyone, esmond tahnks for your reply but i have one more question in that if my proxy requires a username and password i do this System.setProperty("http.proxyUser","user"); System.setProperty("http.proxyPassword","password"); Is the way that i did the best way to do it and am i doing it correctly?? Another thing i have to ask you is that proxy authentication, is the same as web page authentication?? Richard West > if my proxy requires a username and password i do this > > System.setProperty("http.proxyUser","user"); > System.setProperty("http.proxyPassword","password"); I am not aware of these properties. AFAIK you have to use a java.net.Authenticator. > Another thing i have to ask you is that proxy authentication, is the same > as web page authentication?? Well, there are two values for Authenticator.RequestorType, so there is a difference. Hi everyone, Thanks for answering to my reply Esmond. I read up on the Authenticator class and now know how to use it but i have one more question. Can the Authenticator class also be use to access a password protected https or ftp site or is the Java Authenticator class only meant for http internet protocol only. If it can access more than http have you done it before and did it work?? I know these may seem like basic questions to you but please bear with me. Hoping to hear from you Yours Sincerely Richard West > Thanks for answering to my reply Esmond. I read up on the > Authenticator class and now know how to use it but i have one more [quoted text clipped - 3 lines] > protected https or ftp site or is the Java Authenticator class only meant > for http internet protocol only. HTTP or HTTPS, proxy or server. > If it can access more than http have you done it before and > did it work?? Probably at some point, I can't remember for sure. Hi everyone, Sorry Esmond but going back to the proxy story in my first post i did something like that Properties systemProperties = System.getProperties(); systemProperties.setProperty("ftp.proxyHost", proxy); systemProperties.setProperty("ftp.proxyPort", port); but i notice that in one wesite that i have read some people did it like this Properties systemProperties = System.getProperties(); systemProperties.setProperty("ftpproxyHost", proxy); systemProperties.setProperty("ftpproxyPort", port); Are both versions correct?? If not which is the correct version and which one do you normally use?? Richard West > Hi everyone, > [quoted text clipped - 14 lines] > Are both versions correct?? > If not which is the correct version and which one do you normally use?? There are some old system properties e.g. proxyHost/proxyPort which are still supported because their existence 'leaked' (from the HotJava Bean), and there is also proxySet which people are still coding into applications even though it has made no difference for about seven years. Use the http.* and ftp.* ones. EJP Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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