63 lines
1.9 KiB
Java
63 lines
1.9 KiB
Java
/*
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* Copyright (C) 2020 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.copybara;
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import com.google.common.collect.ImmutableSetMultimap;
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import com.google.devtools.build.lib.skylarkinterface.StarlarkBuiltin;
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import com.google.devtools.build.lib.skylarkinterface.StarlarkDocumentationCategory;
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import com.google.devtools.build.lib.skylarkinterface.StarlarkMethod;
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import com.google.devtools.build.lib.syntax.StarlarkValue;
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/** Wrapper class to prevent arbitrary instantiation of endpoints in starlark. */
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@StarlarkBuiltin(
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name = "endpoint_provider",
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doc = "An handle for an origin or destination API in a feedback migration.",
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category = StarlarkDocumentationCategory.TOP_LEVEL_TYPE)
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public class EndpointProvider<T extends Endpoint> implements StarlarkValue, Endpoint {
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final T endpoint;
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EndpointProvider(T endpoint) {
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this.endpoint = endpoint;
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}
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public T getEndpoint() {
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return endpoint;
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}
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@Override
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public ImmutableSetMultimap<String, String> describe() {
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return endpoint.describe();
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}
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/**
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* Wrap an Endpoint
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*/
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public static <T extends Endpoint> EndpointProvider<T> wrap(T e) {
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return new EndpointProvider<>(e);
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}
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@Override
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@StarlarkMethod(
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name = "url",
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doc = "Return the URL of this endpoint, if any.",
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structField = true,
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allowReturnNones = true)
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public String getUrl() {
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return endpoint.getUrl();
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}
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}
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