MimeType (Java EE 5 SDK)

javax.activation Class MimeType

java.lang.Object
  javax.activation.MimeType

所有已实现的接口:

Externalizable, Serializable

public class MimeType

extends Object

implements Externalizable

A Multipurpose Internet Mail Extension (MIME) type, as defined in RFC 2045 and 2046.

另请参见:

Serialized Form

MimeType

public MimeType()

Default constructor.

MimeType

public MimeType(String rawdata)
         throws MimeTypeParseException

Constructor that builds a MimeType from a String.

参数:

rawdata - the MIME type string

抛出异常:

MimeTypeParseException

MimeType

public MimeType(String primary,
                String sub)
         throws MimeTypeParseException

Constructor that builds a MimeType with the given primary and sub type but has an empty parameter list.

参数:

primary - the primary MIME type

sub - the MIME sub-type

抛出异常:

MimeTypeParseException - if the primary type or subtype is not a valid token

getPrimaryType

public String getPrimaryType()

Retrieve the primary type of this object.

返回:

the primary MIME type

setPrimaryType

public void setPrimaryType(String primary)
                    throws MimeTypeParseException

Set the primary type for this object to the given String.

参数:

primary - the primary MIME type

抛出异常:

MimeTypeParseException - if the primary type is not a valid token

getSubType

public String getSubType()

Retrieve the subtype of this object.

返回:

the MIME subtype

setSubType

public void setSubType(String sub)
                throws MimeTypeParseException

Set the subtype for this object to the given String.

参数:

sub - the MIME subtype

抛出异常:

MimeTypeParseException - if the subtype is not a valid token

getParameters

public MimeTypeParameterList getParameters()

Retrieve this object's parameter list.

返回:

a MimeTypeParameterList object representing the parameters

getParameter

public String getParameter(String name)

Retrieve the value associated with the given name, or null if there is no current association.

参数:

name - the parameter name

返回:

the paramter's value

setParameter

public void setParameter(String name,
                         String value)

Set the value to be associated with the given name, replacing any previous association.

参数:

name - the parameter name

value - the paramter's value

removeParameter

public void removeParameter(String name)

Remove any value associated with the given name.

参数:

name - the parameter name

toString

public String toString()

Return the String representation of this object.

重写:

toString in class Object

getBaseType

public String getBaseType()

Return a String representation of this object without the parameter list.

返回:

the MIME type and sub-type

match

public boolean match(MimeType type)

Determine if the primary and sub type of this object is the same as what is in the given type.

参数:

type - the MimeType object to compare with

返回:

true if they match

match

public boolean match(String rawdata)
              throws MimeTypeParseException

Determine if the primary and sub type of this object is the same as the content type described in rawdata.

参数:

rawdata - the MIME type string to compare with

返回:

true if they match

抛出异常:

MimeTypeParseException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

The object implements the writeExternal method to save its contents by calling the methods of DataOutput for its primitive values or calling the writeObject method of ObjectOutput for objects, strings and arrays.

规范说明:

writeExternal in interface Externalizable

参数:

out - the ObjectOutput object to write to

抛出异常:

IOException - Includes any I/O exceptions that may occur

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

The object implements the readExternal method to restore its contents by calling the methods of DataInput for primitive types and readObject for objects, strings and arrays. The readExternal method must read the values in the same sequence and with the same types as were written by writeExternal.

规范说明:

readExternal in interface Externalizable

参数:

in - the ObjectInput object to read from

抛出异常:

ClassNotFoundException - If the class for an object being restored cannot be found.

IOException

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