com.google.api.codegen.config.ResourceNameOneofConfig.java Source code

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Here is the source code for com.google.api.codegen.config.ResourceNameOneofConfig.java

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/* Copyright 2016 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.api.codegen.config;

import com.google.api.codegen.CollectionOneofProto;
import com.google.api.tools.framework.model.Diag;
import com.google.api.tools.framework.model.DiagCollector;
import com.google.api.tools.framework.model.ProtoFile;
import com.google.api.tools.framework.model.SimpleLocation;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nullable;

/** ResourceNameOneofConfig represents the configuration for a oneof set of resource names. */
@AutoValue
public abstract class ResourceNameOneofConfig implements ResourceNameConfig {

    @Override
    public abstract String getEntityName();

    public abstract List<ResourceNameConfig> getResourceNameConfigs();

    @Override
    public abstract ProtoFile getAssignedProtoFile();

    @Override
    @Nullable
    public String getCommonResourceName() {
        return null;
    }

    public Iterable<SingleResourceNameConfig> getSingleResourceNameConfigs() {
        return Iterables.filter(getResourceNameConfigs(), SingleResourceNameConfig.class);
    }

    @Nullable
    public static ResourceNameOneofConfig createResourceNameOneof(DiagCollector diagCollector,
            CollectionOneofProto collectionOneofProto,
            ImmutableMap<String, SingleResourceNameConfig> singleResourceNameConfigs,
            ImmutableMap<String, FixedResourceNameConfig> fixedResourceNameConfigs, ProtoFile file) {
        String oneofName = collectionOneofProto.getOneofName();
        if (singleResourceNameConfigs.containsKey(oneofName)) {
            diagCollector.addDiag(Diag.error(SimpleLocation.TOPLEVEL,
                    "oneof_name \"" + oneofName + "\" already exists in collection configs"));
            return null;
        }
        List<ResourceNameConfig> configList = new ArrayList<>();
        boolean gotSingleResourceName = false;
        for (String entityName : collectionOneofProto.getCollectionNamesList()) {
            ResourceNameConfig resourceNameConfig = singleResourceNameConfigs.get(entityName);
            if (resourceNameConfig == null) {
                resourceNameConfig = fixedResourceNameConfigs.get(entityName);
            } else {
                gotSingleResourceName = true;
            }
            if (resourceNameConfig == null) {
                diagCollector.addDiag(Diag.error(SimpleLocation.TOPLEVEL, "entity_name \"" + entityName
                        + "\" in collection oneof \"" + oneofName + "\" not found in collection configs"));
                return null;
            }
            configList.add(resourceNameConfig);
        }
        if (!gotSingleResourceName) {
            diagCollector.addDiag(Diag.error(SimpleLocation.TOPLEVEL,
                    "At least one ResourceNameConfig with type SINGLE is required in oneof " + oneofName));
            return null;
        }

        return new AutoValue_ResourceNameOneofConfig(oneofName, oneofName, configList, file);
    }

    @Override
    public ResourceNameType getResourceNameType() {
        return ResourceNameType.ONEOF;
    }
}