Package uk.ac.starlink.topcat
Enum ResourceType
- java.lang.Object
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- java.lang.Enum<ResourceType>
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- uk.ac.starlink.topcat.ResourceType
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Comparable<ResourceType>
public enum ResourceType extends java.lang.Enum<ResourceType>
Defines different kinds of resources that can be at the end of a URL. This is used for the purposes of deciding what actions to invoke on it, for instance in the context of DataLink.- Since:
- 6 Feb 2018
- Author:
- Mark Taylor
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Enum Constant Summary
Enum Constants Enum Constant Description DATALINK
DataLink {links}-response table.FITS_IMAGE
FITS file to be interpreted as image data.IMAGE
Graphical image, typically not FITS (PNG, JPEG etc).SPECTRUM
Some kind of spectrum.TABLE
Table.UNKNOWN
Unknown resource type.WEB
Something that can be displayed in a web browser, for instance HTML.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static ResourceType
guessResourceType(java.net.URL url, java.lang.String contentType, java.lang.String standardId)
Attempts to determine the type of resource characterised by available information.static ResourceType
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static ResourceType[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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TABLE
public static final ResourceType TABLE
Table.
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DATALINK
public static final ResourceType DATALINK
DataLink {links}-response table.
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FITS_IMAGE
public static final ResourceType FITS_IMAGE
FITS file to be interpreted as image data.
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SPECTRUM
public static final ResourceType SPECTRUM
Some kind of spectrum.
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IMAGE
public static final ResourceType IMAGE
Graphical image, typically not FITS (PNG, JPEG etc).
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WEB
public static final ResourceType WEB
Something that can be displayed in a web browser, for instance HTML.
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UNKNOWN
public static final ResourceType UNKNOWN
Unknown resource type.
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Method Detail
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values
public static ResourceType[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (ResourceType c : ResourceType.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static ResourceType valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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guessResourceType
public static ResourceType guessResourceType(java.net.URL url, java.lang.String contentType, java.lang.String standardId)
Attempts to determine the type of resource characterised by available information. Works on a best-efforts basis.- Parameters:
url
- resource URLcontentType
- known or inferred Content-Type string (RFC 2045), or null if not knownstandardId
- known or inferred IVOA standard ID, or null if not known- Returns:
- best guess at the type of resource corresponding to the given information
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