Subversion Repositories mkgmap

/*
 * Copyright (C) 2007 Steve Ratcliffe
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  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.
 *
 *
 * Author: Steve Ratcliffe
 * Create date: 23-Sep-2007
 */
package uk.me.parabola.tdbfmt;

import uk.me.parabola.log.Logger;
import uk.me.parabola.io.StructuredInputStream;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.HashSet;

/**
 * A copyright block consists of a number of copyright segments.
 *
 * @author Steve Ratcliffe
 */
class CopyrightBlock {
        private static final Logger log = Logger.getLogger(CopyrightBlock.class);
       
        private final List<CopyrightSegment> segments = new ArrayList<CopyrightSegment>();
        private final Set<CopyrightSegment> copySet = new HashSet<CopyrightSegment>();

        CopyrightBlock() {
        }

        CopyrightBlock(Block block) throws IOException {
                StructuredInputStream ds = block.getInputStream();

                while (!ds.testEof()) {
                        CopyrightSegment segment = new CopyrightSegment(ds);

                        log.info("segment: " + segment);
                        segments.add(segment);
                }
        }

        public void write(Block block) throws IOException {
                for (CopyrightSegment seg : segments) {
                        seg.write(block);
                }
        }

        /**
         * Add a copyright segment.  We only add unique ones.
         * @param seg The copyright segment to add.
         */
        public void addSegment(CopyrightSegment seg) {
                if (copySet.add(seg))
                        segments.add(seg);
        }
}