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Transparent Proxy: Seamless handling of Cross-level consumption of destination-fragment pairs #903

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Transparent Proxy: Seamless handling of Cross-level consumption of destination-fragment pairs #903

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32 changes: 32 additions & 0 deletions ...c/main/java/com/sap/cloud/sdk/cloudplatform/connectivity/TransparentProxyDestination.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ public class TransparentProxyDestination implements HttpDestination
static final String TENANT_SUBDOMAIN_HEADER_KEY = "x-tenant-subdomain";
static final String TENANT_ID_HEADER_KEY = "x-tenant-id";
static final String FRAGMENT_OPTIONAL_HEADER_KEY = "x-fragment-optional";
static final String DESTINATION_LEVEL_HEADER_KEY = "x-destination-level";
static final String FRAGMENT_LEVEL_HEADER_KEY = "x-fragment-level";
static final String TOKEN_SERVICE_TENANT_HEADER_KEY = "x-token-service-tenant";
static final String CLIENT_ASSERTION_HEADER_KEY = "x-client-assertion";
static final String CLIENT_ASSERTION_TYPE_HEADER_KEY = "x-client-assertion-type";
Expand Down Expand Up @@ -675,6 +677,36 @@ public GatewayBuilder fragmentName( @Nonnull final String fragmentName )
return header(new Header(FRAGMENT_NAME_HEADER_KEY, fragmentName));
}

/**
* Sets the destination level for the destination-gateway. See <a href=
* "https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/dynamic-lookup-of-destinations">https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/dynamic-lookup-of-destinations</a>
*
* @param destinationLevel
* The level of the destination to use.
* @return This builder instance for method chaining.
*/
@Nonnull
public GatewayBuilder destinationLevel(
@Nonnull final DestinationServiceOptionsAugmenter.CrossLevelScope destinationLevel )
{
return header(new Header(DESTINATION_LEVEL_HEADER_KEY, destinationLevel.toString()));
}

/**
* Sets the fragment level for the destination-gateway. See <a href=
* "https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/dynamic-lookup-of-destinations">https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/dynamic-lookup-of-destinations</a>
*
* @param fragmentLevel
* The level of the fragment to use.
* @return This builder instance for method chaining.
*/
@Nonnull
public GatewayBuilder fragmentLevel(
@Nonnull final DestinationServiceOptionsAugmenter.CrossLevelScope fragmentLevel )
{
return header(new Header(FRAGMENT_LEVEL_HEADER_KEY, fragmentLevel.toString()));
}

/**
* Sets the fragment optional flag for the destination-gateway. See <a href=
* "https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/dynamic-lookup-of-destinations">https://help.sap.com/docs/connectivity/sap-btp-connectivity-cf/dynamic-lookup-of-destinations</a>
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8 changes: 8 additions & 0 deletions ...st/java/com/sap/cloud/sdk/cloudplatform/connectivity/TransparentProxyDestinationTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -75,14 +75,22 @@ void testGatewayHeaders()
final TransparentProxyDestination destination =
TransparentProxyDestination
.gateway(TEST_DEST_NAME, VALID_URI.toString())
.destinationLevel(DestinationServiceOptionsAugmenter.CrossLevelScope.SUBACCOUNT)
.fragmentName("fragName")
.fragmentLevel(DestinationServiceOptionsAugmenter.CrossLevelScope.PROVIDER_SUBACCOUNT)
.fragmentOptional(true)
.build();

assertThat(destination.getHeaders(VALID_URI))
.contains(
new Header(TransparentProxyDestination.DESTINATION_NAME_HEADER_KEY, TEST_DEST_NAME),
new Header(
TransparentProxyDestination.DESTINATION_LEVEL_HEADER_KEY,
DestinationServiceOptionsAugmenter.CrossLevelScope.SUBACCOUNT.toString()),
new Header(TransparentProxyDestination.FRAGMENT_NAME_HEADER_KEY, "fragName"),
new Header(
TransparentProxyDestination.FRAGMENT_LEVEL_HEADER_KEY,
DestinationServiceOptionsAugmenter.CrossLevelScope.PROVIDER_SUBACCOUNT.toString()),
new Header(TransparentProxyDestination.FRAGMENT_OPTIONAL_HEADER_KEY, "true"));
}

Expand Down