org.apache.commons.codec.binary.yenc.YEncHeader.java Source code

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Here is the source code for org.apache.commons.codec.binary.yenc.YEncHeader.java

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/*
 * Copyright (C) 2006  Laurent GRANIE
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * laurent.granie@gmail.com
 */
package org.apache.commons.codec.binary.yenc;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class YEncHeader {

    public static Pattern HEADER_PATTERN = Pattern
            .compile("^=ybegin\\s*(part=(\\d+))?(\\s+total=\\d+)?\\s+line=(\\d+)\\s*size=(\\d+)\\s*name=(.+)");

    /*
     * The part number
     */
    private int part = -1;

    /*
     * Typical size length
     */
    private int line = -1;

    /*
     * Size of the original unencode binary (in bytes)
     */
    private long size;

    /*
     * Name of the original binary file
     */
    private String name;

    public YEncHeader(String line) throws YEncException {
        Matcher m = HEADER_PATTERN.matcher(line);

        if (m.matches()) {
            if (null != m.group(2))
                this.part = Integer.parseInt(m.group(2));
            this.line = Integer.parseInt(m.group(4));
            this.size = Integer.parseInt(m.group(5));
            this.name = m.group(6);
        } else {
            throw new YEncException("error in header");
        }
    }

    public YEncHeader() {
    }

    public int getPart() {
        return part;
    }

    public void setPart(int part) {
        this.part = part;
    }

    public int getLine() {
        return line;
    }

    public void setLine(int line) {
        this.line = line;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public long getSize() {
        return size;
    }

    public void setSize(long size) {
        this.size = size;
    }

    public String toString() {
        StringBuilder sb = new StringBuilder("=ybegin");
        if (this.part != -1) {
            sb.append(" part=").append(part);
        }
        sb.append(" line=").append(line).append(" size=").append(size).append(" name=").append(name);
        return sb.toString();
    }

}