Class EmptyResource

java/org/apache/catalina/webresources/EmptyResource.java:33–189

A WebResource implementation that represents a non-existent resource. All methods return values indicating the resource does not exist.

 * All methods return values indicating the resource does not exist.
 */
public class EmptyResource implements WebResource {

    private final WebResourceRoot root;
    private final String webAppPath;
    private final File file;

    /**
     * Creates a new empty resource for the given path.
     *
     * @param root the web resource root
     * @param webAppPath the path within the web application
     */
    public EmptyResource(WebResourceRoot root, String webAppPath) {
        this(root, webAppPath, null);
    }

    /**
     * Creates a new empty resource for the given path and file.
     *
     * @param root the web resource root
     * @param webAppPath the path within the web application
     * @param file the associated file, may be {@code null}
     */
    public EmptyResource(WebResourceRoot root, String webAppPath, File file) {
        this.root = root;
        this.webAppPath = webAppPath;
        this.file = file;
    }

    @Override
    public long getLastModified() {
        return 0;
    }

    @Override
    public String getLastModifiedHttp() {
        return null;
    }

    @Override
    public boolean exists() {
        return false;
    }

    @Override
    public boolean isVirtual() {
        return false;
    }

    @Override
    public boolean isDirectory() {
        return false;
    }

    @Override
    public boolean isFile() {
        return false;
    }