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/*
 * (C) Copyright 2016-2023, by Dimitrios Michail and Contributors.
 *
 * JGraphT : a free Java graph-theory library
 *
 * See the CONTRIBUTORS.md file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0, or the
 * GNU Lesser General Public License v2.1 or later
 * which is available at
 * http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR LGPL-2.1-or-later
 */
package org.jgrapht.nio;

import org.jgrapht.*;

import java.io.*;
import java.nio.charset.*;

/**
 * Interface for graph importers
 * 
 * @param  the graph vertex type
 * @param  the graph edge type
 */
public interface GraphImporter
{

    /**
     * Import a graph from the given {@link InputStream}.
     * 

* It is the callers responsibility to ensure the {@code InputStream} is closed after this * method returned. *

* * @param g the graph * @param in the input stream * @throws ImportException in case any error occurs, such as I/O or parse error */ default void importGraph(Graph g, InputStream in) { importGraph(g, new InputStreamReader(in, StandardCharsets.UTF_8)); } /** * Import a graph using the given {@link Reader}. *

* It is the callers responsibility to ensure the {@code Reader} is closed after this method * returned. *

* * @param g the graph * @param in the input reader * @throws ImportException in case any error occurs, such as I/O or parse error */ void importGraph(Graph g, Reader in); /** * Import a graph from the given {@link File}. * * @param g the graph * @param file the file to read from * @throws ImportException in case any error occurs, such as I/O or parse error */ default void importGraph(Graph g, File file) { try (Reader reader = new FileReader(file, StandardCharsets.UTF_8)) { importGraph(g, reader); } catch (IOException e) { throw new ImportException(e); } } }




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