gov.nih.nci.caintegrator.application.zip.FileNameGenerator.java Source code

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Here is the source code for gov.nih.nci.caintegrator.application.zip.FileNameGenerator.java

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/*L
 *  Copyright SAIC
 *
 *  Distributed under the OSI-approved BSD 3-Clause License.
 *  See http://ncip.github.com/stats-application-commons/LICENSE.txt for details.
 */

/**
 * 
 */
package gov.nih.nci.caintegrator.application.zip;

import gov.nih.nci.caintegrator.dto.critieria.Constants;
import gov.nih.nci.caintegrator.exceptions.ValidationException;

import org.apache.commons.validator.EmailValidator;

/**
 * @author sahnih
 *
 */
public class FileNameGenerator {
    public static String generateFileName(String userName) throws ValidationException {
        String fileName = null;
        if (userName != null) {
            // Get a random number of up to 7 digits      
            int sevenDigitRandom = new Double(Math.random() * 10000000).intValue();

            // Get the last 7 digits of the Java timestamp
            String s = String.valueOf(System.currentTimeMillis());
            String lastSevenOfTimeStamp = s.substring(s.length() - 7, s.length());

            // Put it all together
            fileName = userName + "_" + sevenDigitRandom + lastSevenOfTimeStamp;
        } else {
            throw new ValidationException("Invalid Email Address");
        }
        return fileName;
    }

    public static String generateFileNameFromEmail(String userEmail) throws ValidationException {
        String fileName = null;
        if (userEmail != null && EmailValidator.getInstance().isValid(userEmail)) {
            // Get a random number of up to 7 digits      
            int sevenDigitRandom = new Double(Math.random() * 10000000).intValue();

            // Get the last 7 digits of the Java timestamp
            String s = String.valueOf(System.currentTimeMillis());
            String lastSevenOfTimeStamp = s.substring(s.length() - 7, s.length());

            // Get the string before the @ sign in the user's email address
            String userEmailBeforeAtSign = userEmail.substring(0, userEmail.indexOf('@'));

            // Put it all together
            fileName = userEmailBeforeAtSign + "_" + sevenDigitRandom + lastSevenOfTimeStamp;
        } else {
            throw new ValidationException("Invalid Email Address");
        }
        return fileName;
    }

    public static String generateUniqueFileName(String fileName, String type, String platform) {
        String uniqueZipFileName = null;
        String platformID = null;

        if (fileName != null && type != null && platform != null) {
            if (platform.equals(Constants.AFFY_OLIGO_PLATFORM)) {
                platformID = "AFFY-U133P2";
            } else if (platform.equals(Constants.AFFY_100K_SNP_ARRAY)) {
                platformID = "AFFY-100K-SNP";
            }
            uniqueZipFileName = createFilename(fileName);
            // Get a random number of up to 7 digits      
            int sevenDigitRandom = new Double(Math.random() * 10000000).intValue();

            // Get the last 7 digits of the Java timestamp
            String s = String.valueOf(System.currentTimeMillis());
            String lastSevenOfTimeStamp = s.substring(s.length() - 7, s.length());

            // Put it all together
            uniqueZipFileName = fileName + "_" + platformID + "_" + type + "_" + sevenDigitRandom
                    + lastSevenOfTimeStamp;
        }
        return uniqueZipFileName;
    }

    /**
     * Returns a name suitable for using as a filename. Replaces " " with "-".
     * 
     * @param experimentName
     * @return
     */
    protected static String createFilename(String fileName) {
        StringBuffer buf = new StringBuffer(removeSpaces(fileName));
        return new String(buf);
    }

    protected static String removeSpaces(String name) {
        StringBuffer buf = new StringBuffer(name.length());
        for (Character c : name.toCharArray()) {
            if (' ' == c || '\'' == c || '\"' == c || '?' == c || ',' == c || '&' == c || '' == c || '' == c
                    || '#' == c)
                buf.append('_');
            else
                buf.append(c);
        }
        return new String(buf);
    }
}