FileFilters.java example

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DataCleaner-master
/**
 * DataCleaner (community edition)
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.datacleaner.util;

import java.io.File;

import javax.swing.filechooser.FileFilter;

/**
 * Contains commonly used file filters.
 */
public final class FileFilters {

    public static final FileFilter ALL = new FileFilter() {

        @Override
        public boolean accept(final File f) {
            return true;
        }

        @Override
        public String getDescription() {
            return "All files";
        }
    };
    public static final ExtensionFilter CSV = new ExtensionFilter("Comma-separated files (.csv)", ".csv");
    public static final ExtensionFilter TSV = new ExtensionFilter("Tab-separated files (.tsv)", ".tsv");
    public static final ExtensionFilter DAT = new ExtensionFilter("Data files (.dat)", ".dat");
    public static final ExtensionFilter TXT = new ExtensionFilter("Text files (.txt)", ".txt");
    public static final ExtensionFilter XLS = new ExtensionFilter("Excel 97-2003 spreadsheet (.xls)", ".xls");
    public static final ExtensionFilter XLSX = new ExtensionFilter("Excel spreadsheet (.xlsx)", ".xlsx");
    public static final ExtensionFilter MDB = new ExtensionFilter("Access 97-2003 database (.mdb)", ".mdb");
    public static final ExtensionFilter ACCDB = new ExtensionFilter("Access database (.accdb)", ".accdb");
    public static final ExtensionFilter DBF = new ExtensionFilter("Dbase database (.dbf)", ".dbf");
    public static final ExtensionFilter ODB = new ExtensionFilter("OpenOffice.org database (.odb)", ".odb");
    public static final ExtensionFilter XML = new ExtensionFilter("Extensible Markup Language (.xml)", ".xml");
    public static final ExtensionFilter JSON = new ExtensionFilter("JavaScript Object Notation (.json)", ".json");
    public static final ExtensionFilter JAR = new ExtensionFilter("Java Archive (.jar)", ".jar");
    public static final ExtensionFilter HTML = new ExtensionFilter("HTML web page (.html)", ".html");
    public static final ExtensionFilter EBC = new ExtensionFilter("EBCDIC (.ebc)", ".ebc");
    public static final ExtensionFilter ANALYSIS_XML =
            new ExtensionFilter("Analysis job (.analysis.xml)", ".analysis.xml");
    public static final ExtensionFilter ANALYSIS_RESULT_SER =
            new ExtensionFilter("Analysis result (.analysis.result.dat)", ".analysis.result.dat");
    public static final ExtensionFilter ANALYSIS_TIMELINE_XML =
            new ExtensionFilter("Analysis timeline (.analysis.timeline.xml)", ".analysis.timeline.xml");
    public static final ExtensionFilter ANALYSIS_EXECUTION_LOG_XML =
            new ExtensionFilter("Analysis job execution log (.analysis.execution.log.xml)",
                    ".analysis.execution.log.xml");

    private FileFilters() {
        // prevent instantiation
    }

    public static FileFilter combined(final String description, final FileFilter... fileFilters) {
        return new FileFilter() {
            @Override
            public boolean accept(final File f) {
                for (final FileFilter fileFilter : fileFilters) {
                    if (fileFilter.accept(f)) {
                        return true;
                    }
                }
                return false;
            }

            @Override
            public String getDescription() {
                return description;
            }
        };
    }

    public static FileFilter allDataFiles() {
        return combined("All data files", CSV, TSV, DAT, TXT, XLS, XLSX, MDB, ACCDB, DBF, ODB, XML, JSON);
    }
}