com.clican.pluto.dataprocess.dpl.function.impl.Match.java Source code

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Here is the source code for com.clican.pluto.dataprocess.dpl.function.impl.Match.java

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/**
 * The Clican-Pluto software suit is Copyright 2009, Clican Company and individual contributors, and is licensed under the GNU LGPL.
 *
 * @author clican
 *
 */
package com.clican.pluto.dataprocess.dpl.function.impl;

import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

import com.clican.pluto.dataprocess.dpl.parser.bean.PrefixAndSuffix;
import com.clican.pluto.dataprocess.exception.CalculationException;
import com.clican.pluto.dataprocess.exception.DplParseException;
import com.clican.pluto.dataprocess.exception.PrefixAndSuffixException;

/**
 * Java?Match
 * <p>
 * 
 * match(String value,String regex)
 * 
 * @author clican
 * 
 */
public class Match extends BaseSingleRowFunction {

    private PrefixAndSuffix pas1;
    private PrefixAndSuffix pas2;

    public Object calculate(Map<String, Object> row) throws CalculationException, PrefixAndSuffixException {
        String value1 = pas1.getValue(row);
        String value2 = pas2.getValue(row);
        if (StringUtils.isEmpty(value2)) {
            return false;
        }
        return value1.matches(value2);
    }

    public boolean isSupportWhere() throws DplParseException {
        return true;
    }

    public void setParams(List<Object> params) throws DplParseException {
        super.setParams(params);
        pas1 = this.pasList.get(0);
        pas2 = this.pasList.get(1);
    }

}

// $Id: Match.java 13293 2010-05-27 01:19:18Z wei.zhang $