org.apache.commons.io.filefilter.FileFilterUtils#makeFileOnly ( )源码实例Demo

public static void handleJavaStyleComments( String baseDir ) throws Exception {
    IOFileFilter sourceFileFilter = FileFilterUtils.orFileFilter(
            FileFilterUtils.suffixFileFilter("java"),
            FileFilterUtils.suffixFileFilter("js") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("css") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("groovy") );
    sourceFileFilter = FileFilterUtils.makeSVNAware(sourceFileFilter);
    sourceFileFilter = FileFilterUtils.makeFileOnly(sourceFileFilter);

    LicensableFileDirectoryWalker dw = new LicensableFileDirectoryWalker(sourceFileFilter, "/*", " * ", " */");
    Collection<String> results = dw.run( baseDir );
    System.out.println( results );
}
 

public static void handleXMLStyleComments( String baseDir ) throws Exception {
    IOFileFilter sourceFileFilter = FileFilterUtils.orFileFilter(
            FileFilterUtils.suffixFileFilter("xml"),
            FileFilterUtils.suffixFileFilter("jrxml") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("html") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("htm") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("xsd") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("tld") );
    sourceFileFilter = FileFilterUtils.makeSVNAware(sourceFileFilter);
    sourceFileFilter = FileFilterUtils.makeFileOnly(sourceFileFilter);

    LicensableFileDirectoryWalker dw = new LicensableFileDirectoryWalker(sourceFileFilter, "<!--", "   - ", " -->");
    Collection<String> results = dw.run( baseDir );
    System.out.println( results );
}
 

public static void handleJSPStyleComments( String baseDir ) throws Exception {
    IOFileFilter sourceFileFilter = FileFilterUtils.orFileFilter(
            FileFilterUtils.suffixFileFilter("jsp"),
            FileFilterUtils.suffixFileFilter("tag") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("inc") );
    sourceFileFilter = FileFilterUtils.makeSVNAware(sourceFileFilter);
    sourceFileFilter = FileFilterUtils.makeFileOnly(sourceFileFilter);

    LicensableFileDirectoryWalker dw = new LicensableFileDirectoryWalker(sourceFileFilter, "<%--", "   - ", "--%>");
    Collection<String> results = dw.run( baseDir );
    System.out.println( results );
}
 

public static void handlePropertyStyleComments( String baseDir ) throws Exception {
    IOFileFilter sourceFileFilter = FileFilterUtils.orFileFilter(
            FileFilterUtils.suffixFileFilter("properties"),
            FileFilterUtils.suffixFileFilter("cmd") );
    sourceFileFilter = FileFilterUtils.orFileFilter(
            sourceFileFilter,
            FileFilterUtils.suffixFileFilter("sh") );
    sourceFileFilter = FileFilterUtils.makeSVNAware(sourceFileFilter);
    sourceFileFilter = FileFilterUtils.makeFileOnly(sourceFileFilter);

    LicensableFileDirectoryWalker dw = new LicensableFileDirectoryWalker(sourceFileFilter, "########################################", "# ", "########################################");
    Collection<String> results = dw.run( baseDir );
    System.out.println( results );
}
 

public static void handleSQLStyleComments( String baseDir ) throws Exception {
    IOFileFilter sourceFileFilter = FileFilterUtils.suffixFileFilter("sql");
    sourceFileFilter = FileFilterUtils.makeSVNAware(sourceFileFilter);
    sourceFileFilter = FileFilterUtils.makeFileOnly(sourceFileFilter);

    LicensableFileDirectoryWalker dw = new LicensableFileDirectoryWalker(sourceFileFilter, "--", "-- ", LINE_SEPARATOR);
    Collection<String> results = dw.run( baseDir );
    System.out.println( results );
}
 

/**
 * Construct an instance with a directory and a file filter and an optional
 * limit on the <i>depth</i> navigated to.
 * <p>
 * The filters control which files and directories will be navigated to as part
 * of the walk. This constructor uses {@link FileFilterUtils#makeDirectoryOnly(IOFileFilter)}
 * and {@link FileFilterUtils#makeFileOnly(IOFileFilter)} internally to combine the filters.
 * A {@code null} filter means that no filtering should occur.
 *
 * @param directoryFilter  the filter to apply to directories, null means visit all directories
 * @param fileFilter  the filter to apply to files, null means visit all files
 * @param depthLimit  controls how <i>deep</i> the hierarchy is
 *  navigated to (less than 0 means unlimited)
 */
protected DirectoryWalker(IOFileFilter directoryFilter, IOFileFilter fileFilter, int depthLimit) {
    if (directoryFilter == null && fileFilter == null) {
        this.filter = null;
    } else {
        directoryFilter = directoryFilter != null ? directoryFilter : TrueFileFilter.TRUE;
        fileFilter = fileFilter != null ? fileFilter : TrueFileFilter.TRUE;
        directoryFilter = FileFilterUtils.makeDirectoryOnly(directoryFilter);
        fileFilter = FileFilterUtils.makeFileOnly(fileFilter);
        this.filter = FileFilterUtils.or(directoryFilter, fileFilter);
    }
    this.depthLimit = depthLimit;
}
 

/**
 * Construct an instance with a directory and a file filter and an optional
 * limit on the <i>depth</i> navigated to.
 * <p>
 * The filters control which files and directories will be navigated to as part
 * of the walk. This constructor uses {@link FileFilterUtils#makeDirectoryOnly(IOFileFilter)}
 * and {@link FileFilterUtils#makeFileOnly(IOFileFilter)} internally to combine the filters.
 * A {@code null} filter means that no filtering should occur.
 *
 * @param directoryFilter  the filter to apply to directories, null means visit all directories
 * @param fileFilter  the filter to apply to files, null means visit all files
 * @param depthLimit  controls how <i>deep</i> the hierarchy is
 *  navigated to (less than 0 means unlimited)
 */
protected DirectoryWalker(IOFileFilter directoryFilter, IOFileFilter fileFilter, final int depthLimit) {
    if (directoryFilter == null && fileFilter == null) {
        this.filter = null;
    } else {
        directoryFilter = directoryFilter != null ? directoryFilter : TrueFileFilter.TRUE;
        fileFilter = fileFilter != null ? fileFilter : TrueFileFilter.TRUE;
        directoryFilter = FileFilterUtils.makeDirectoryOnly(directoryFilter);
        fileFilter = FileFilterUtils.makeFileOnly(fileFilter);
        this.filter = FileFilterUtils.or(directoryFilter, fileFilter);
    }
    this.depthLimit = depthLimit;
}