1.6 Customizing Client Setup Parameters

URLConnection introduces the following setup fields and corresponding methods.

field	method

boolean doinput	void setDoInput(boolean)

boolean dooutput	void setDoOutput(boolean)

boolean connected	void connect()	opens a communications link, if a connection does not exist

<..request connection for input ..>

URL url = new URL( args[0] );
URLConnection connection = url.openConnection();
connection.setDoInput(true); // ??? works also without this line ???
InputStream is = connection.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader in = new BufferedReader(isr);

-_-_-

Caching

field	method

long ifmodifiedsince	setIfModifiedSince	support fetching of only non-cached modified objects

boolean usecaches	setUseCaches	control when caching is allowed

client interaction

field	method

boolean allowuserinteraction	setAllowUserInteraction	control user interactions such as popping up an authentication dialog

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