Class ParameterDefinition
- java.lang.Object
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- hudson.model.ParameterDefinition
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- All Implemented Interfaces:
ExtensionPoint
,Describable<ParameterDefinition>
,Serializable
- Direct Known Subclasses:
FileParameterDefinition
,SimpleParameterDefinition
@ExportedBean(defaultVisibility=3) public abstract class ParameterDefinition extends Object implements Describable<ParameterDefinition>, ExtensionPoint, Serializable
Defines a parameter for a build.In Jenkins, a user can configure a job to require parameters for a build. For example, imagine a test job that takes the bits to be tested as a parameter.
The actual meaning and the purpose of parameters are entirely up to users, so what the concrete parameter implementation is pluggable. Write subclasses in a plugin and put
Extension
on the descriptor to register them.Three classes are used to model build parameters. First is the
ParameterDefinition.ParameterDescriptor
, which tells Hudson what kind of implementations are available. FromDescriptor.newInstance(StaplerRequest, JSONObject)
, Hudson createsParameterDefinition
s based on the job configuration. For example, if the user defines two string parameters "database-type" and "appserver-type", we'll get twoStringParameterDefinition
instances with their respective names.When a job is configured with
ParameterDefinition
(or more precisely,ParametersDefinitionProperty
, which in turns retainsParameterDefinition
s), user would have to enter the values for the defined build parameters. ThecreateValue(StaplerRequest, JSONObject)
method is used to convert this form submission intoParameterValue
objects, which are then accessible during a build.Persistence
Instances of
ParameterDefinition
s are persisted into jobconfig.xml
through XStream.Associated Views
config.jelly
ParameterDefinition
class usesconfig.jelly
to contribute a form fragment in the job configuration screen. Values entered there are fed back toDescriptor.newInstance(StaplerRequest, JSONObject)
to createParameterDefinition
s.index.jelly
Theindex.jelly
view contributes a form fragment in the page where the user enters actual values of parameters for a build. The result of this form submission is then fed tocreateValue(StaplerRequest, JSONObject)
to createParameterValue
s.- See Also:
StringParameterDefinition
, Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
ParameterDefinition.ParameterDescriptor
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Nested classes/interfaces inherited from interface hudson.ExtensionPoint
ExtensionPoint.LegacyInstancesAreScopedToHudson
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Field Summary
Fields Modifier and Type Field Description static DescriptorList<ParameterDefinition>
LIST
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Constructor Summary
Constructors Modifier Constructor Description protected
ParameterDefinition(String name)
protected
ParameterDefinition(String name, String description)
Deprecated.PreferParameterDefinition(String)
with aDataBoundConstructor
and allowsetDescription(java.lang.String)
to be used as needed
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description static DescriptorExtensionList<ParameterDefinition,ParameterDefinition.ParameterDescriptor>
all()
Returns all the registeredParameterDefinition
descriptors.ParameterDefinition
copyWithDefaultValue(ParameterValue defaultValue)
Create a new instance of this parameter definition and use the passed parameter value as the default value.ParameterValue
createValue(CLICommand command, String value)
Create a parameter value from the string given in the CLI.abstract ParameterValue
createValue(org.kohsuke.stapler.StaplerRequest req)
Create a parameter value from a GET with query string.abstract ParameterValue
createValue(org.kohsuke.stapler.StaplerRequest req, net.sf.json.JSONObject jo)
Create a parameter value from a form submission.boolean
equals(Object obj)
ParameterValue
getDefaultParameterValue()
Returns default parameter value for this definition.String
getDescription()
ParameterDefinition.ParameterDescriptor
getDescriptor()
Gets the descriptor for this instance.String
getFormattedDescription()
return parameter description, applying the configured MarkupFormatter for jenkins instance.String
getName()
String
getType()
int
hashCode()
boolean
isValid(ParameterValue value)
Checks whether a given value is valid for this definition.void
setDescription(String description)
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Field Detail
-
LIST
@Deprecated public static final DescriptorList<ParameterDefinition> LIST
A list of available parameter definition types
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Constructor Detail
-
ParameterDefinition
protected ParameterDefinition(@NonNull String name)
-
ParameterDefinition
@Deprecated protected ParameterDefinition(@NonNull String name, String description)
Deprecated.PreferParameterDefinition(String)
with aDataBoundConstructor
and allowsetDescription(java.lang.String)
to be used as needed
-
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Method Detail
-
copyWithDefaultValue
public ParameterDefinition copyWithDefaultValue(ParameterValue defaultValue)
Create a new instance of this parameter definition and use the passed parameter value as the default value.- Since:
- 1.405
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getType
@Exported public String getType()
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getName
@Exported @NonNull public String getName()
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getDescription
@Exported @CheckForNull public String getDescription()
-
setDescription
@DataBoundSetter public void setDescription(@CheckForNull String description)
- Since:
- 2.281
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getFormattedDescription
@CheckForNull public String getFormattedDescription()
return parameter description, applying the configured MarkupFormatter for jenkins instance.- Since:
- 1.521
-
getDescriptor
@NonNull public ParameterDefinition.ParameterDescriptor getDescriptor()
Description copied from interface:Describable
Gets the descriptor for this instance.Descriptor
is a singleton for every concreteDescribable
implementation, so ifa.getClass() == b.getClass()
then by defaulta.getDescriptor() == b.getDescriptor()
as well. (In rare cases a single implementation class may be used for instances with distinct descriptors.)- Specified by:
getDescriptor
in interfaceDescribable<ParameterDefinition>
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createValue
@CheckForNull public abstract ParameterValue createValue(org.kohsuke.stapler.StaplerRequest req, net.sf.json.JSONObject jo)
Create a parameter value from a form submission.This method is invoked when the user fills in the parameter values in the HTML form and submits it to the server.
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createValue
@CheckForNull public abstract ParameterValue createValue(org.kohsuke.stapler.StaplerRequest req)
Create a parameter value from a GET with query string. If no value is available in the request, it returns a default value if possible, or null.Unlike
createValue(StaplerRequest, JSONObject)
, this method is intended to support the programmatic POST-ing of the build URL. This form is less expressive (as it doesn't support the tree form), but it's more scriptable.If a
ParameterDefinition
can't really support this mode of creating a value, you may just always return null.- Throws:
IllegalStateException
- If the parameter is deemed required but was missing in the submission.
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createValue
@CheckForNull public ParameterValue createValue(CLICommand command, String value) throws IOException, InterruptedException
Create a parameter value from the string given in the CLI.- Parameters:
command
- This is the command that got the parameter.- Throws:
AbortException
- If the CLI processing should be aborted. Hudson will report the error message without stack trace, and then exits this command. Useful for graceful termination.RuntimeException
- All the other exceptions cause the stack trace to be dumped, and then the command exits with an error code.IOException
InterruptedException
- Since:
- 1.334
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getDefaultParameterValue
@CheckForNull @Exported public ParameterValue getDefaultParameterValue()
Returns default parameter value for this definition.- Returns:
- default parameter value or null if no defaults are available
- Since:
- 1.253
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isValid
public boolean isValid(ParameterValue value)
Checks whether a given value is valid for this definition.- Parameters:
value
- The value to validate.- Returns:
- True if the value is valid for this definition. False if it is invalid.
- Since:
- 2.244
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all
public static DescriptorExtensionList<ParameterDefinition,ParameterDefinition.ParameterDescriptor> all()
Returns all the registeredParameterDefinition
descriptors.
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