Fields
Name | Description |
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allowUserInteraction | If true, this URL is being examined in a context in which it makes sense to allow user interactions such as popping up an authentication dialog. |
connected | If false, this connection object has not created a communications link to the specified URL. |
doInput | This variable is set by the setDoInput method. |
doOutput | This variable is set by the setDoOutput method. |
fileNameMap | |
ifModifiedSince | Some protocols support skipping the fetching of the object unless the object has been modified more recently than a certain time. |
url | The URL represents the remote object on the World Wide Web to which this connection is opened. |
useCaches | If true, the protocol is allowed to use caching whenever it can. |
Constructors
Name | Description |
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URLConnection(URL) | Constructs a URL connection to the specified URL. |
Methods
Name | Description |
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connect() | Opens a communications link to the resource referenced by this URL, if such a connection has not already been established. |
getAllowUserInteraction() | Returns the value of the allowUserInteraction field for this object. |
getContent() | Retrieves the contents of this URL connection. |
getContentEncoding() | Returns the value of the content-encoding header field. |
getContentLength() | Returns the value of the content-length header field. |
getContentType() | Returns the value of the content-type header field. |
getDate() | Returns the value of the date header field. |
getDefaultAllowUserInteraction() | Returns the default value of the allowUserInteraction field. |
getDefaultRequestProperty(String) | Returns the value of the default request property. |
getDefaultUseCaches() | Returns the default value of a URLConnection's useCaches flag. |
getDoInput() | Returns the value of this URLConnection's doInput flag. |
getDoOutput() | Returns the value of this URLConnection's doOutput flag. |
getExpiration() | Returns the value of the expires header field. |
getHeaderField(int) | Returns the value for the nth header field. |
getHeaderField(String) | Returns the name of the specified header field. |
getHeaderFieldDate(String, long) | Returns the value of the named field parsed as date. |
getHeaderFieldInt(String, int) | Returns the value of the named field parsed as a number. |
getHeaderFieldKey(int) | Returns the key for the nth header field. |
getIfModifiedSince() | Returns the value of this object's ifModifiedSince field. |
getInputStream() | Returns an input stream that reads from this open connection. |
getLastModified() | Returns the value of the last-modified header field. |
getOutputStream() | Returns an output stream that writes to this connection. |
getRequestProperty(String) | Returns the value of the named general request property for this connection. |
getURL() | Returns the value of this URLConnection's URL field. |
getUseCaches() | Returns the value of this URLConnection's useCaches field. |
guessContentTypeFromName(String) | Tries to determine the content type of an object, based on the specified "file" component of a URL. |
guessContentTypeFromStream(InputStream) | Tries to determine the type of an input stream based on the characters at the beginning of the input stream. |
setAllowUserInteraction(boolean) | Set the value of the allowUserInteraction field of this URLConnection. |
setContentHandlerFactory(ContentHandlerFactory) | Sets the ContentHandlerFactory of an application. |
setDefaultAllowUserInteraction(boolean) | Sets the default value of the allowUserInteraction field for all future URLConnection objects to the specified value. |
setDefaultRequestProperty(String, String) | Sets the default value of a general request property. |
setDefaultUseCaches(boolean) | Sets the default value of the useCaches field to the specified value. |
setDoInput(boolean) | Sets the value of the doInput field for this URLConnection to the specified value. |
setDoOutput(boolean) | Sets the value of the doOutput field for this URLConnection to the specified value. |
setIfModifiedSince(long) | Sets the value of the ifModifiedSince field of this URLConnection to the specified value. |
setRequestProperty(String, String) | Sets the general request property. |
setUseCaches(boolean) | Sets the value of the useCaches field of this URLConnection to the specified value. |
toString() | Returns a String representation of this URL connection. |