org.sonatype.aether.util.repository
Class ChainedWorkspaceReader

java.lang.Object
  org.sonatype.aether.util.repository.ChainedWorkspaceReader

All Implemented Interfaces:

WorkspaceReader

public class ChainedWorkspaceReader
extends Object
implements WorkspaceReader

A workspace reader that delegates to a chain of other readers, effectively aggregating their contents.

Author:

Benjamin Bentmann

Constructor Summary

ChainedWorkspaceReader(WorkspaceReader... readers)
Creates a new workspace reader by chaining the specified readers.

Method Summary

File	findArtifact(Artifact artifact)
List<String>	findVersions(Artifact artifact)
WorkspaceRepository	getRepository()
static WorkspaceReader	newInstance(WorkspaceReader reader1, WorkspaceReader reader2) Creates a new workspace reader by chaining the specified readers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChainedWorkspaceReader

public ChainedWorkspaceReader(WorkspaceReader... readers)

Creates a new workspace reader by chaining the specified readers.

Parameters:

readers - The readers to chain, may be null.

See Also:

newInstance(WorkspaceReader, WorkspaceReader)

Method Detail

newInstance

public static WorkspaceReader newInstance(WorkspaceReader reader1,
                                          WorkspaceReader reader2)

Creates a new workspace reader by chaining the specified readers. In contrast to the constructor, this factory method will avoid creating an actual chained reader if one of the specified readers is actually null.

Parameters:

reader1 - The first workspace reader, may be null.

reader2 - The second workspace reader, may be null.

Returns:

The chained reader or null if no workspace reader was supplied.

findArtifact

public File findArtifact(Artifact artifact)

Specified by:

findArtifact in interface WorkspaceReader

findVersions

public List<String> findVersions(Artifact artifact)

Specified by:

findVersions in interface WorkspaceReader

getRepository

public WorkspaceRepository getRepository()

Specified by:

getRepository in interface WorkspaceReader