Class TransportProtocol
- java.lang.Object
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- org.eclipse.jgit.transport.TransportProtocol
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- Direct Known Subclasses:
TestProtocol
public abstract class TransportProtocol extends Object
Describes a way to connect to another Git repository.Implementations of this class are typically immutable singletons held by static class members, for example:
package com.example.my_transport; class MyTransport extends Transport { public static final TransportProtocol PROTO = new TransportProtocol() { public String getName() { return "My Protocol"; } }; }
Applications may register additional protocols for use by JGit by calling
Transport.register(TransportProtocol)
. Because that API holds onto the protocol object by a WeakReference, applications must ensure their own ClassLoader retains the TransportProtocol for the life of the application. Using a static singleton pattern as above will ensure the protocol is valid so long as the ClassLoader that defines it remains valid.Applications may automatically register additional protocols by filling in the names of their TransportProtocol defining classes using the services file
META-INF/services/org.eclipse.jgit.transport.Transport
. For each class name listed in the services file, any static fields of typeTransportProtocol
will be automatically registered. For the above example the stringcom.example.my_transport.MyTransport
should be listed in the file, as that is the name of the class that defines the static PROTO singleton.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
TransportProtocol.URIishField
Fields within aURIish
that a transport uses.
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Constructor Summary
Constructors Constructor Description TransportProtocol()
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description boolean
canHandle(URIish uri)
Determine if this protocol can handle a particular URI.boolean
canHandle(URIish uri, Repository local, String remoteName)
Determine if this protocol can handle a particular URI.int
getDefaultPort()
Get the default port if the protocol supports a port, else -1.abstract String
getName()
Get text name of the protocol suitable for display to a user.Set<TransportProtocol.URIishField>
getOptionalFields()
Get immutable set of URIishFields that may be filled in.Set<TransportProtocol.URIishField>
getRequiredFields()
Get immutable set of URIishFields that must be filled in.Set<String>
getSchemes()
Get immutable set of schemes supported by this protocol.Transport
open(URIish uri)
Open a new transport instance to the remote repository.abstract Transport
open(URIish uri, Repository local, String remoteName)
Open a Transport instance to the other repository.
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Method Detail
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getName
public abstract String getName()
Get text name of the protocol suitable for display to a user.- Returns:
- text name of the protocol suitable for display to a user.
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getSchemes
public Set<String> getSchemes()
Get immutable set of schemes supported by this protocol.- Returns:
- immutable set of schemes supported by this protocol.
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getRequiredFields
public Set<TransportProtocol.URIishField> getRequiredFields()
Get immutable set of URIishFields that must be filled in.- Returns:
- immutable set of URIishFields that must be filled in.
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getOptionalFields
public Set<TransportProtocol.URIishField> getOptionalFields()
Get immutable set of URIishFields that may be filled in.- Returns:
- immutable set of URIishFields that may be filled in.
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getDefaultPort
public int getDefaultPort()
Get the default port if the protocol supports a port, else -1.- Returns:
- the default port if the protocol supports a port, else -1.
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canHandle
public boolean canHandle(URIish uri)
Determine if this protocol can handle a particular URI.Implementations should try to avoid looking at the local filesystem, but may look at implementation specific configuration options in the remote block of
local.getConfig()
usingremoteName
if the name is non-null.The default implementation of this method matches the scheme against
getSchemes()
, required fields againstgetRequiredFields()
, and optional fields againstgetOptionalFields()
, returning true only if all of the fields match the specification.- Parameters:
uri
- address of the Git repository; never null.- Returns:
- true if this protocol can handle this URI; false otherwise.
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canHandle
public boolean canHandle(URIish uri, Repository local, String remoteName)
Determine if this protocol can handle a particular URI.Implementations should try to avoid looking at the local filesystem, but may look at implementation specific configuration options in the remote block of
local.getConfig()
usingremoteName
if the name is non-null.The default implementation of this method matches the scheme against
getSchemes()
, required fields againstgetRequiredFields()
, and optional fields againstgetOptionalFields()
, returning true only if all of the fields match the specification.- Parameters:
uri
- address of the Git repository; never null.local
- the local repository that will communicate with the other Git repository. May be null if the caller is only asking about a specific URI and does not have a local Repository.remoteName
- name of the remote, if the remote as configured inlocal
; otherwise null.- Returns:
- true if this protocol can handle this URI; false otherwise.
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open
public abstract Transport open(URIish uri, Repository local, String remoteName) throws NotSupportedException, TransportException
Open a Transport instance to the other repository.Implementations should avoid making remote connections until an operation on the returned Transport is invoked, however they may fail fast here if they know a connection is impossible, such as when using the local filesystem and the target path does not exist.
Implementations may access implementation-specific configuration options within
local.getConfig()
using the remote block named by theremoteName
, if the name is non-null.- Parameters:
uri
- address of the Git repository.local
- the local repository that will communicate with the other Git repository.remoteName
- name of the remote, if the remote as configured inlocal
; otherwise null.- Returns:
- the transport.
- Throws:
NotSupportedException
- this protocol does not support the URI.TransportException
- the transport cannot open this URI.
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open
public Transport open(URIish uri) throws NotSupportedException, TransportException
Open a new transport instance to the remote repository. Use default configuration instead of reading from configuration files.- Parameters:
uri
- aURIish
object.- Returns:
- new Transport
- Throws:
NotSupportedException
TransportException
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