com.github.jsdossier.soy.DossierSoyTypeProvider.java Source code

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Here is the source code for com.github.jsdossier.soy.DossierSoyTypeProvider.java

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/*
 Copyright 2013-2015 Jason Leyba
    
 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
    
   http://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.github.jsdossier.soy;

import com.github.jsdossier.proto.Dossier;
import com.google.common.collect.ImmutableMap;
import com.google.protobuf.Descriptors;
import com.google.template.soy.types.SoyType;
import com.google.template.soy.types.SoyTypeProvider;
import com.google.template.soy.types.SoyTypeRegistry;

import java.util.HashMap;
import java.util.Map;

class DossierSoyTypeProvider implements SoyTypeProvider {

    private final ImmutableMap<String, SoyType> types;

    DossierSoyTypeProvider() {
        Map<String, SoyType> map = new HashMap<>();

        Descriptors.FileDescriptor fileDescriptor = Dossier.getDescriptor();

        for (Descriptors.EnumDescriptor enumDescriptor : fileDescriptor.getEnumTypes()) {
            ProtoEnumSoyType type = ProtoEnumSoyType.get(enumDescriptor);
            map.put(type.getName(), type);
        }

        for (Descriptors.Descriptor descriptor : fileDescriptor.getMessageTypes()) {
            registerTypes(map, descriptor);
        }

        types = ImmutableMap.copyOf(map);
    }

    private static void registerTypes(Map<String, SoyType> map, Descriptors.Descriptor descriptor) {
        ProtoMessageSoyType type = ProtoMessageSoyType.get(descriptor);
        map.put(type.getName(), type);

        for (Descriptors.FieldDescriptor field : descriptor.getFields()) {
            if (field.getJavaType() == Descriptors.FieldDescriptor.JavaType.MESSAGE) {
                registerTypes(map, field.getMessageType());
            }
        }
    }

    @Override
    public SoyType getType(String name, SoyTypeRegistry soyTypeRegistry) {
        return types.get(name);
    }
}