com.squareup.wire.schema.internal.parser.ReservedElement.java Source code

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Here is the source code for com.squareup.wire.schema.internal.parser.ReservedElement.java

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/*
 * Copyright (C) 2016 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.internal.parser;

import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Range;
import com.squareup.wire.schema.Location;

import static com.squareup.wire.schema.internal.Util.appendDocumentation;

@AutoValue
public abstract class ReservedElement {
    public static ReservedElement create(Location location, String documentation, ImmutableList<Object> values) {
        return new AutoValue_ReservedElement(location, documentation, values);
    }

    public abstract Location location();

    public abstract String documentation();

    /** A {@link String} name or {@link Integer} or {@link Range Range&lt;Integer>} tag. */
    public abstract ImmutableList<Object> values();

    public final String toSchema() {
        StringBuilder builder = new StringBuilder();
        appendDocumentation(builder, documentation());
        builder.append("reserved ");
        ImmutableList<Object> value = values();
        for (int i = 0; i < value.size(); i++) {
            if (i > 0)
                builder.append(", ");

            Object reservation = value.get(i);
            if (reservation instanceof String) {
                builder.append('"').append(reservation).append('"');
            } else if (reservation instanceof Integer) {
                builder.append(reservation);
            } else if (reservation instanceof Range) {
                Range<Integer> range = (Range<Integer>) reservation;
                builder.append(range.lowerEndpoint()).append(" to ").append(range.upperEndpoint());
            } else {
                throw new AssertionError();
            }
        }
        return builder.append(";\n").toString();
    }
}