Table of Contents

Class Export

Namespace
ZeroInstall.Commands.Basic
Assembly
0install.dll

Exports all feeds and implementations required to launch the program specified by URI.

public sealed class Export : Download
Inheritance
Export
Inherited Members

Constructors

Export(ICommandHandler)

Creates a new export command.

public Export(ICommandHandler handler)

Parameters

handler ICommandHandler

A callback object used when the the user needs to be asked questions or informed about download and IO tasks.

Fields

Name

public const string Name = "export"

Field Value

string

Properties

AdditionalArgsMax

The maximum number of AdditionalArgs allowed. Checked in Parse(IReadOnlyList<string>).

protected override int AdditionalArgsMax { get; }

Property Value

int

AdditionalArgsMin

The minimum number of AdditionalArgs allowed. Checked in Parse(IReadOnlyList<string>).

protected override int AdditionalArgsMin { get; }

Property Value

int

Description

A short description of what this command does.

public override string Description { get; }

Property Value

string

Usage

The additional arguments to be displayed after the command name in the help text.

public override string Usage { get; }

Property Value

string

Methods

Execute()

Executes the commands specified by the command-line arguments. Must call Parse(IReadOnlyList<string>) first!

public override ExitCode Execute()

Returns

ExitCode

The exit status code to end the process with.

Remarks

When inheriting this method is usually replaced.

Exceptions

OperationCanceledException

The user canceled the task.

OptionException

The number of arguments passed in on the command-line is incorrect.

WebException

A file could not be downloaded from the internet.

NotSupportedException

A file format, protocol, etc. is unknown or not supported.

IOException

A downloaded file could not be written to the disk or extracted or an external application or file required by the solver could not be accessed.

UnauthorizedAccessException

An operation failed due to insufficient rights.

InvalidDataException

A problem occurred while deserializing an XML file.

SignatureException

The signature data could not be handled for some reason.

FormatException

An URI, local path, version number, etc. is invalid.

DigestMismatchException

An Implementation's Archives don't match the associated ManifestDigest.

SolverException

The ISolver was unable to provide Selections that fulfill the Requirements.

ImplementationNotFoundException

One of the ImplementationBases is not cached yet.

ExecutorException

The IExecutor was unable to process the Selections.

Parse(IReadOnlyList<string>)

Parses command-line arguments and stores the result in the command.

public override void Parse(IReadOnlyList<string> args)

Parameters

args IReadOnlyList<string>

The command-line arguments to be parsed.

Exceptions

OperationCanceledException

The user asked to see help information, version information, etc..

OptionException

args contains unknown options.

IOException

An IO operation failed.

UnauthorizedAccessException

More privileges are required.

UriFormatException

The URI or local path specified is invalid.

ShowOutput()

protected override ExitCode ShowOutput()

Returns

ExitCode

Solve()

Runs Solve(Requirements) (unless SelectionsDocument is true) and stores the result in Selections.

protected override void Solve()

Exceptions

OperationCanceledException

The user canceled the task.

WebException

A file could not be downloaded from the internet.

IOException

An external application or file required by the solver could not be accessed.

SolverException

The ISolver was unable to provide Selections that fulfill the Requirements.