org.springframework.cloud.dataflow.registry.support

Class AppResourceCommon

java.lang.Object

org.springframework.cloud.dataflow.registry.support.AppResourceCommon

public class AppResourceCommon
extends Object

Author:

Christian Tzolov, Ilayaperumal Gopinathan, David Turanski

Constructor Summary

Constructors

Constructor and Description
AppResourceCommon(org.springframework.cloud.deployer.resource.maven.MavenProperties mavenProperties, ResourceLoader resourceLoader)

Method Summary

Modifier and Type	Method and Description
Resource	getMetadataResource(URI appUri, URI metadataUri) Resolves the metadata resource if provided or falls back to the apps resources otherwise.
Resource	getResource(String resourceUri) Retrieve the corresponding Resource instance based on the URI String.
String	getResourceVersion(Resource resource) Extracts the version from the resource.
String	getResourceWithoutVersion(Resource resource) Returns a string representing the resource with version subtracted

Methods inherited from class java.lang.Object

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

Constructor Detail

AppResourceCommon

public AppResourceCommon(org.springframework.cloud.deployer.resource.maven.MavenProperties mavenProperties,
                         ResourceLoader resourceLoader)

Method Detail

getResourceVersion

public String getResourceVersion(Resource resource)

Extracts the version from the resource. Supported resource types are MavenResource, DockerResource, and UrlResource.

Parameters:

resource - the resource to use.

Returns:

the version the resource.

getResource

public Resource getResource(String resourceUri)

Retrieve the corresponding Resource instance based on the URI String. Maven properties are used if the URI corresponds to maven resource.

Parameters:

resourceUri - String representation of the resource URI

Returns:

the resource instance

getResourceWithoutVersion

public String getResourceWithoutVersion(Resource resource)

Returns a string representing the resource with version subtracted

Parameters:

resource - to be represented as string.

Returns:

String representation of the resource.

getMetadataResource

public Resource getMetadataResource(URI appUri,
                                    URI metadataUri)

Resolves the metadata resource if provided or falls back to the apps resources otherwise. For Docker app resource types returns null

Parameters:

appUri - the App Resource URI to fall back to in case of missing metadata URI

metadataUri - Metadata resource URI

Returns:

If metadata URI is not empty returns the Metadata resource. For empty metadataUri returns the App Resource or null in case of Docker