/*
 * Copyright (c) 2019, 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.svm.configure.json;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.List;

public interface JsonPrinter<T> {
    void print(T t, JsonWriter writer) throws IOException;

    static <T> void printCollection(JsonWriter writer, Collection<T> collection, Comparator<T> comparator, JsonPrinter<T> elementPrinter) throws IOException {
        writer.append('[');
        writer.indent();
        String prefix = "";
        Collection<T> ordered = collection;
        if (comparator != null) {
            ordered = new ArrayList<>(collection);
            ((List<T>) ordered).sort(comparator);
        }
        for (T t : ordered) {
            writer.append(prefix);
            if (collection.size() > 1) {
                writer.newline();
            }
            elementPrinter.print(t, writer);
            prefix = ", ";
        }
        writer.unindent();
        if (collection.size() > 1) {
            writer.newline();
        }
        writer.append("]");
    }
}