nz.co.senanque.schemaparser.restrictions.Length.java Source code

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Here is the source code for nz.co.senanque.schemaparser.restrictions.Length.java

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/*******************************************************************************
 * Copyright (c)2016 Prometheus Consulting
 *
 * Licensed 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 nz.co.senanque.schemaparser.restrictions;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;
import org.jdom.Element;

/**
 * @author Roger Parkinson
 *
 */
public class Length extends Restriction {

    int length;

    List<CandidateValue> candidateValues = new ArrayList<>();

    public Length(Element restriction) {
        length = Integer.parseInt(restriction.getAttributeValue("value"));
    }

    public List<CandidateValue> getCandidateValues() {
        if (candidateValues.isEmpty()) {
            candidateValues.add(new CandidateValue(StringUtils.rightPad("", length - 1, '.'), false, this));
            candidateValues.add(new CandidateValue(StringUtils.rightPad("", length + 1, '.'), false, this));
            candidateValues.add(new CandidateValue(StringUtils.rightPad("", length, '.'), true, this));
        }
        return candidateValues;
    }

    public String getValue() {
        return Integer.toString(length);
    }
}