URLConnection (Java Platform SE 7 ) (original) (raw)

Modifier and Type

Method and Description

void

**[addRequestProperty](../../java/net/URLConnection.html#addRequestProperty%28java.lang.String,%20java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") key,[String](../../java/lang/String.html "class in java.lang") value)

Adds a general request property specified by a key-value pair.

abstract void

**[connect](../../java/net/URLConnection.html#connect%28%29)**()

Opens a communications link to the resource referenced by this URL, if such a connection has not already been established.

boolean

**[getAllowUserInteraction](../../java/net/URLConnection.html#getAllowUserInteraction%28%29)**()

Returns the value of the allowUserInteraction field for this object.

int

**[getConnectTimeout](../../java/net/URLConnection.html#getConnectTimeout%28%29)**()

Returns setting for connect timeout.

[Object](../../java/lang/Object.html "class in java.lang")

**[getContent](../../java/net/URLConnection.html#getContent%28%29)**()

Retrieves the contents of this URL connection.

[Object](../../java/lang/Object.html "class in java.lang")

**[getContent](../../java/net/URLConnection.html#getContent%28java.lang.Class[]%29)**([Class](../../java/lang/Class.html "class in java.lang")[] classes)

Retrieves the contents of this URL connection.

[String](../../java/lang/String.html "class in java.lang")

**[getContentEncoding](../../java/net/URLConnection.html#getContentEncoding%28%29)**()

Returns the value of the content-encoding header field.

int

**[getContentLength](../../java/net/URLConnection.html#getContentLength%28%29)**()

Returns the value of the content-length header field.

long

**[getContentLengthLong](../../java/net/URLConnection.html#getContentLengthLong%28%29)**()

Returns the value of the content-length header field as a long.

[String](../../java/lang/String.html "class in java.lang")

**[getContentType](../../java/net/URLConnection.html#getContentType%28%29)**()

Returns the value of the content-type header field.

long

**[getDate](../../java/net/URLConnection.html#getDate%28%29)**()

Returns the value of the date header field.

static boolean

**[getDefaultAllowUserInteraction](../../java/net/URLConnection.html#getDefaultAllowUserInteraction%28%29)**()

Returns the default value of the allowUserInteraction field.

static [String](../../java/lang/String.html "class in java.lang")

**[getDefaultRequestProperty](../../java/net/URLConnection.html#getDefaultRequestProperty%28java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") key)

Deprecated.

The instance specific getRequestProperty method should be used after an appropriate instance of URLConnection is obtained.

boolean

**[getDefaultUseCaches](../../java/net/URLConnection.html#getDefaultUseCaches%28%29)**()

Returns the default value of a URLConnection'suseCaches flag.

boolean

**[getDoInput](../../java/net/URLConnection.html#getDoInput%28%29)**()

Returns the value of this URLConnection'sdoInput flag.

boolean

**[getDoOutput](../../java/net/URLConnection.html#getDoOutput%28%29)**()

Returns the value of this URLConnection'sdoOutput flag.

long

**[getExpiration](../../java/net/URLConnection.html#getExpiration%28%29)**()

Returns the value of the expires header field.

static [FileNameMap](../../java/net/FileNameMap.html "interface in java.net")

**[getFileNameMap](../../java/net/URLConnection.html#getFileNameMap%28%29)**()

Loads filename map (a mimetable) from a data file.

[String](../../java/lang/String.html "class in java.lang")

**[getHeaderField](../../java/net/URLConnection.html#getHeaderField%28int%29)**(int n)

Returns the value for the nth header field.

[String](../../java/lang/String.html "class in java.lang")

**[getHeaderField](../../java/net/URLConnection.html#getHeaderField%28java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") name)

Returns the value of the named header field.

long

**[getHeaderFieldDate](../../java/net/URLConnection.html#getHeaderFieldDate%28java.lang.String,%20long%29)**([String](../../java/lang/String.html "class in java.lang") name, long Default)

Returns the value of the named field parsed as date.

int

**[getHeaderFieldInt](../../java/net/URLConnection.html#getHeaderFieldInt%28java.lang.String,%20int%29)**([String](../../java/lang/String.html "class in java.lang") name, int Default)

Returns the value of the named field parsed as a number.

[String](../../java/lang/String.html "class in java.lang")

**[getHeaderFieldKey](../../java/net/URLConnection.html#getHeaderFieldKey%28int%29)**(int n)

Returns the key for the nth header field.

long

**[getHeaderFieldLong](../../java/net/URLConnection.html#getHeaderFieldLong%28java.lang.String,%20long%29)**([String](../../java/lang/String.html "class in java.lang") name, long Default)

Returns the value of the named field parsed as a number.

[Map](../../java/util/Map.html "interface in java.util")<[String](../../java/lang/String.html "class in java.lang"),[List](../../java/util/List.html "interface in java.util")<[String](../../java/lang/String.html "class in java.lang")>>

**[getHeaderFields](../../java/net/URLConnection.html#getHeaderFields%28%29)**()

Returns an unmodifiable Map of the header fields.

long

**[getIfModifiedSince](../../java/net/URLConnection.html#getIfModifiedSince%28%29)**()

Returns the value of this object's ifModifiedSince field.

[InputStream](../../java/io/InputStream.html "class in java.io")

**[getInputStream](../../java/net/URLConnection.html#getInputStream%28%29)**()

Returns an input stream that reads from this open connection.

long

**[getLastModified](../../java/net/URLConnection.html#getLastModified%28%29)**()

Returns the value of the last-modified header field.

[OutputStream](../../java/io/OutputStream.html "class in java.io")

**[getOutputStream](../../java/net/URLConnection.html#getOutputStream%28%29)**()

Returns an output stream that writes to this connection.

[Permission](../../java/security/Permission.html "class in java.security")

**[getPermission](../../java/net/URLConnection.html#getPermission%28%29)**()

Returns a permission object representing the permission necessary to make the connection represented by this object.

int

**[getReadTimeout](../../java/net/URLConnection.html#getReadTimeout%28%29)**()

Returns setting for read timeout.

**[getRequestProperties](../../java/net/URLConnection.html#getRequestProperties%28%29)**()

Returns an unmodifiable Map of general request properties for this connection.

[String](../../java/lang/String.html "class in java.lang")

**[getRequestProperty](../../java/net/URLConnection.html#getRequestProperty%28java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") key)

Returns the value of the named general request property for this connection.

[URL](../../java/net/URL.html "class in java.net")

**[getURL](../../java/net/URLConnection.html#getURL%28%29)**()

Returns the value of this URLConnection's URL field.

boolean

**[getUseCaches](../../java/net/URLConnection.html#getUseCaches%28%29)**()

Returns the value of this URLConnection'suseCaches field.

static [String](../../java/lang/String.html "class in java.lang")

**[guessContentTypeFromName](../../java/net/URLConnection.html#guessContentTypeFromName%28java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") fname)

Tries to determine the content type of an object, based on the specified "file" component of a URL.

static [String](../../java/lang/String.html "class in java.lang")

**[guessContentTypeFromStream](../../java/net/URLConnection.html#guessContentTypeFromStream%28java.io.InputStream%29)**([InputStream](../../java/io/InputStream.html "class in java.io") is)

Tries to determine the type of an input stream based on the characters at the beginning of the input stream.

void

**[setAllowUserInteraction](../../java/net/URLConnection.html#setAllowUserInteraction%28boolean%29)**(boolean allowuserinteraction)

Set the value of the allowUserInteraction field of this URLConnection.

void

**[setConnectTimeout](../../java/net/URLConnection.html#setConnectTimeout%28int%29)**(int timeout)

Sets a specified timeout value, in milliseconds, to be used when opening a communications link to the resource referenced by this URLConnection.

static void

**[setContentHandlerFactory](../../java/net/URLConnection.html#setContentHandlerFactory%28java.net.ContentHandlerFactory%29)**([ContentHandlerFactory](../../java/net/ContentHandlerFactory.html "interface in java.net") fac)

Sets the ContentHandlerFactory of an application.

static void

**[setDefaultAllowUserInteraction](../../java/net/URLConnection.html#setDefaultAllowUserInteraction%28boolean%29)**(boolean defaultallowuserinteraction)

Sets the default value of theallowUserInteraction field for all futureURLConnection objects to the specified value.

static void

**[setDefaultRequestProperty](../../java/net/URLConnection.html#setDefaultRequestProperty%28java.lang.String,%20java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") key,[String](../../java/lang/String.html "class in java.lang") value)

Deprecated.

The instance specific setRequestProperty method should be used after an appropriate instance of URLConnection is obtained. Invoking this method will have no effect.

void

**[setDefaultUseCaches](../../java/net/URLConnection.html#setDefaultUseCaches%28boolean%29)**(boolean defaultusecaches)

Sets the default value of the useCaches field to the specified value.

void

**[setDoInput](../../java/net/URLConnection.html#setDoInput%28boolean%29)**(boolean doinput)

Sets the value of the doInput field for thisURLConnection to the specified value.

void

**[setDoOutput](../../java/net/URLConnection.html#setDoOutput%28boolean%29)**(boolean dooutput)

Sets the value of the doOutput field for thisURLConnection to the specified value.

static void

**[setFileNameMap](../../java/net/URLConnection.html#setFileNameMap%28java.net.FileNameMap%29)**([FileNameMap](../../java/net/FileNameMap.html "interface in java.net") map)

Sets the FileNameMap.

void

**[setIfModifiedSince](../../java/net/URLConnection.html#setIfModifiedSince%28long%29)**(long ifmodifiedsince)

Sets the value of the ifModifiedSince field of this URLConnection to the specified value.

void

**[setReadTimeout](../../java/net/URLConnection.html#setReadTimeout%28int%29)**(int timeout)

Sets the read timeout to a specified timeout, in milliseconds.

void

**[setRequestProperty](../../java/net/URLConnection.html#setRequestProperty%28java.lang.String,%20java.lang.String%29)**([String](../../java/lang/String.html "class in java.lang") key,[String](../../java/lang/String.html "class in java.lang") value)

Sets the general request property.

void

**[setUseCaches](../../java/net/URLConnection.html#setUseCaches%28boolean%29)**(boolean usecaches)

Sets the value of the useCaches field of thisURLConnection to the specified value.

[String](../../java/lang/String.html "class in java.lang")

**[toString](../../java/net/URLConnection.html#toString%28%29)**()

Returns a String representation of this URL connection.