/*
 * Copyright 2019, TeamDev. All rights reserved.
 *
 * Redistribution and use in source and/or binary forms, with or without
 * modification, must retain the above copyright notice and the following
 * disclaimer.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package io.spine.code.proto;

import com.google.errorprone.annotations.Immutable;
import com.google.protobuf.Descriptors.Descriptor;
import io.spine.value.StringTypeValue;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * A name of a Protobuf package.
 */
@Immutable
public final class PackageName extends StringTypeValue {

    private static final long serialVersionUID = 0L;
    private static final String DELIMITER = String.valueOf('.');

    private static final PackageName GOOGLE_PROTOBUF = new PackageName("google.protobuf");

    private PackageName(String value) {
        super(value);
    }

    /**
     * Creates a new instance with the passed value.
     */
    public static PackageName of(String value) {
        checkNotNull(value);
        PackageName result = new PackageName(value);
        return result;
    }

    /**
     * Obtains a package name for the passed message type.
     */
    public static PackageName of(Descriptor message) {
        checkNotNull(message);
        PackageName result = of(message.getFile()
                                       .getPackage());
        return result;
    }

    /**
     * Obtains the name of the Google Protobuf library package.
     */
    public static PackageName googleProtobuf() {
        return GOOGLE_PROTOBUF;
    }

    /**
     * Obtains Protobuf package delimiter.
     */
    public static String delimiter() {
        return DELIMITER;
    }
}

@@ -1456,27 +1456,11 @@
 R = 
-String.valueOf('.')
+%22.%22
 ;%0A%0A 

Use string literal