package org.alfresco.util; import java.util.regex.Pattern; import org.alfresco.api.AlfrescoPublicApi; /** * Static checker for valid file names. * * @author Derek Hulley */ @AlfrescoPublicApi public class FileNameValidator { /** * The bad file name pattern. */ public static final String FILENAME_ILLEGAL_REGEX = "[\\\"\\*\\\\\\>\\<\\?\\/\\:\\|]"; private static final Pattern FILENAME_ILLEGAL_PATTERN_REPLACE = Pattern.compile(FILENAME_ILLEGAL_REGEX); public static boolean isValid(String name) { return !FILENAME_ILLEGAL_PATTERN_REPLACE.matcher(name).find(); } /** * Replaces illegal filename characters with '_' */ public static String getValidFileName(String fileName) { if (fileName == null || fileName.length() == 0) { throw new IllegalArgumentException("File name cannot be corrected if it is null or empty."); } return FILENAME_ILLEGAL_PATTERN_REPLACE.matcher(fileName).replaceAll("_"); } }