com.squareup.wire.schema.Extend.java Source code

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Here is the source code for com.squareup.wire.schema.Extend.java

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/*
 * Copyright (C) 2015 Square, Inc.
 *
 * 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.squareup.wire.schema;

import com.google.common.collect.ImmutableList;
import com.squareup.wire.schema.internal.parser.ExtendElement;

final class Extend {
    private final Location location;
    private final String documentation;
    private final String name;
    private final ImmutableList<Field> fields;
    private ProtoType protoType;

    private Extend(Location location, String documentation, String name, ImmutableList<Field> fields) {
        this.location = location;
        this.documentation = documentation;
        this.name = name;
        this.fields = fields;
    }

    static ImmutableList<Extend> fromElements(String packageName, ImmutableList<ExtendElement> extendElements) {
        ImmutableList.Builder<Extend> extendBuilder = new ImmutableList.Builder<>();
        for (ExtendElement extendElement : extendElements) {
            extendBuilder.add(new Extend(extendElement.location(), extendElement.documentation(),
                    extendElement.name(), Field.fromElements(packageName, extendElement.fields(), true)));
        }
        return extendBuilder.build();
    }

    static ImmutableList<ExtendElement> toElements(ImmutableList<Extend> extendList) {
        ImmutableList.Builder<ExtendElement> elements = new ImmutableList.Builder<>();
        for (Extend extend : extendList) {
            elements.add(ExtendElement.builder(extend.location).documentation(extend.documentation)
                    .name(extend.name).fields(Field.toElements(extend.fields)).build());
        }
        return elements.build();
    }

    public Location location() {
        return location;
    }

    public ProtoType type() {
        return protoType;
    }

    public String documentation() {
        return documentation;
    }

    public ImmutableList<Field> fields() {
        return fields;
    }

    void link(Linker linker) {
        linker = linker.withContext(this);
        protoType = linker.resolveMessageType(name);
        Type type = linker.get(protoType);
        if (type != null) {
            ((MessageType) type).addExtensionFields(fields);
        }
    }

    void validate(Linker linker) {
        linker = linker.withContext(this);
        linker.validateImport(location(), type());
    }
}