/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.server.rest.repr;

import java.net.URI;

public abstract class Serializer {
    private final URI baseUri;

    Serializer(URI baseUri) {
        this.baseUri = baseUri;
    }

    final void serialize(MappingWriter mapping, MappingRepresentation value) {
        value.serialize(new MappingSerializer(mapping, baseUri));
        mapping.done();
    }

    final void serialize(ListWriter list, ListRepresentation value) {
        value.serialize(new ListSerializer(list, baseUri));
        list.done();
    }

    final String relativeUri(String path) {
        return joinBaseWithRelativePath(baseUri, path);
    }

    final String relativeTemplate(String path) {
        return joinBaseWithRelativePath(baseUri, path);
    }

    public static String joinBaseWithRelativePath(URI baseUri, String path) {
        String base = baseUri.toString();
        final StringBuilder result = new StringBuilder(base.length() + path.length() + 1).append(base);
        if (base.endsWith("/")) {
            if (path.startsWith("/")) {
                return result.append(path.substring(1)).toString();
            }
        } else if (!path.startsWith("/")) {
            return result.append('/').append(path).toString();
        }
        return result.append(path).toString();
    }

    static void checkThatItIsBuiltInType(Object value) {
        if (!"java.lang".equals(value.getClass().getPackage().getName())) {
            throw new IllegalArgumentException("Unsupported number type: " + value.getClass());
        }
    }
}
