/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.pdfbox.jbig2.segments;

import java.io.IOException;

import org.apache.pdfbox.jbig2.SegmentData;
import org.apache.pdfbox.jbig2.SegmentHeader;
import org.apache.pdfbox.jbig2.err.IntegerMaxValueException;
import org.apache.pdfbox.jbig2.err.InvalidHeaderValueException;
import org.apache.pdfbox.jbig2.io.SubInputStream;

/**
 * This segment flags an end of stripe (see JBIG2 ISO standard, 7.4.9).
 */
public class EndOfStripe implements SegmentData
{

    private SubInputStream subInputStream;
    private int lineNumber;

    private void parseHeader()
            throws IOException, IntegerMaxValueException, InvalidHeaderValueException
    {
        lineNumber = (int) (subInputStream.readBits(32) & 0xffffffff);
    }

    public void init(SegmentHeader header, SubInputStream sis)
            throws IntegerMaxValueException, InvalidHeaderValueException, IOException
    {
        this.subInputStream = sis;
        parseHeader();
    }

    public int getLineNumber()
    {
        return lineNumber;
    }
}