org.beanfuse.utils.multilevelseq.SeqPattern.java Source code

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Here is the source code for org.beanfuse.utils.multilevelseq.SeqPattern.java

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//$Id: Style.java 2008-8-4 ?10:42:49 asus Exp $
/*
 *
 * Copyright c 2005-2009.
 * 
 * Licensed under GNU  LESSER General Public License, Version 3.  
 * http://www.gnu.org/licenses
 * 
 */
/********************************************************************************
 * @author chaostone
 * 
 * MODIFICATION DESCRIPTION
 * 
 * Name           Date          Description 
 * ============         ============        ============
 *chaostone      2008-8-4         Created
 *  
 ********************************************************************************/

package org.beanfuse.utils.multilevelseq;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.math.NumberUtils;

public class SeqPattern {

    private MultiLevelSeqGenerator generator;

    private String pattern;

    private int level;

    private SeqNumStyle seqNumStyle;

    private int seq = 0;

    private final List params = new ArrayList();

    // ??{}
    public SeqPattern(SeqNumStyle seqStyle, String pattern) {
        this.seqNumStyle = seqStyle;
        this.pattern = pattern;
        String remainder = pattern;
        while (StringUtils.isNotEmpty(remainder)) {
            String p = StringUtils.substringBetween(remainder, "{", "}");
            if (StringUtils.isEmpty(p)) {
                break;
            }
            if (NumberUtils.isDigits(p)) {
                params.add(new Integer(p));
            }
            remainder = StringUtils.substringAfter(remainder, "{" + p + "}");
        }

        Collections.sort(params);
        this.level = ((Integer) params.get(params.size() - 1)).intValue();
        params.remove(params.size() - 1);
    }

    public String curSeqText() {
        return seqNumStyle.build(seq);
    }

    public String next() {
        seq++;
        String text = pattern;
        for (Iterator iterator = params.iterator(); iterator.hasNext();) {
            Integer paramLevel = (Integer) iterator.next();
            text = StringUtils.replace(text, "{" + paramLevel + "}",
                    generator.getSytle(paramLevel.intValue()).curSeqText());
        }
        return StringUtils.replace(text, "{" + level + "}", seqNumStyle.build(seq));
    }

    public void reset() {
        seq = 0;
    }

    public int getLevel() {
        return level;
    }

    public void setLevel(int level) {
        this.level = level;
    }

    public SeqNumStyle getSeqNumStyle() {
        return seqNumStyle;
    }

    public void setSeqNumStyle(SeqNumStyle seqNumStyle) {
        this.seqNumStyle = seqNumStyle;
    }

    public void setPattern(String pattern) {
        this.pattern = pattern;
    }

    public String getPattern() {
        return this.pattern;
    }

    public MultiLevelSeqGenerator getGenerator() {
        return generator;
    }

    public void setGenerator(MultiLevelSeqGenerator generator) {
        this.generator = generator;
    }

}