us.mn.state.health.lims.common.provider.query.ScanGeneratorProvider.java Source code

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Here is the source code for us.mn.state.health.lims.common.provider.query.ScanGeneratorProvider.java

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/**
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
*
* The Original Code is OpenELIS code.
*
* Copyright (C) CIRG, University of Washington, Seattle WA.  All Rights Reserved.
*
*/
package us.mn.state.health.lims.common.provider.query;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.validator.GenericValidator;

import us.mn.state.health.lims.common.servlet.validation.AjaxServlet;
import us.mn.state.health.lims.sample.util.AccessionNumberUtil;

public class ScanGeneratorProvider extends BaseQueryProvider {

    public ScanGeneratorProvider() {
        super();
    }

    public ScanGeneratorProvider(AjaxServlet ajaxServlet) {
        this.ajaxServlet = ajaxServlet;
    }

    public void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        String nextNumber = null;
        try {
            nextNumber = getNextScanNumber("");
        } catch (IllegalStateException e) {
            // 
        }

        String result = GenericValidator.isBlankOrNull(nextNumber) ? INVALID : VALID;

        String returnData = GenericValidator.isBlankOrNull(nextNumber) ? " " : nextNumber;

        ajaxServlet.sendData(returnData, result, request, response);
    }

    private String getNextScanNumber(String optionalPrefix) throws IllegalStateException {

        return AccessionNumberUtil.getNextAccessionNumber(optionalPrefix);
    }

}