DiskAttribute Class — netty Architecture

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskAttribute.java lines 31–272

public class DiskAttribute extends AbstractDiskHttpData implements Attribute {
    public static String baseDirectory;

    public static boolean deleteOnExitTemporaryFile = true;

    public static final String prefix = "Attr_";

    public static final String postfix = ".att";

    private String baseDir;

    private boolean deleteOnExit;

    /**
     * Constructor used for huge Attribute
     */
    public DiskAttribute(String name) {
        this(name, HttpConstants.DEFAULT_CHARSET);
    }

    public DiskAttribute(String name, String baseDir, boolean deleteOnExit) {
        this(name, HttpConstants.DEFAULT_CHARSET);
        this.baseDir = baseDir == null ? baseDirectory : baseDir;
        this.deleteOnExit = deleteOnExit;
    }

    public DiskAttribute(String name, long definedSize) {
        this(name, definedSize, HttpConstants.DEFAULT_CHARSET, baseDirectory, deleteOnExitTemporaryFile);
    }

    public DiskAttribute(String name, long definedSize, String baseDir, boolean deleteOnExit) {
        this(name, definedSize, HttpConstants.DEFAULT_CHARSET);
        this.baseDir = baseDir == null ? baseDirectory : baseDir;
        this.deleteOnExit = deleteOnExit;
    }

    public DiskAttribute(String name, Charset charset) {
        this(name, charset, baseDirectory, deleteOnExitTemporaryFile);
    }

    public DiskAttribute(String name, Charset charset, String baseDir, boolean deleteOnExit) {
        super(name, charset, 0);
        this.baseDir = baseDir == null ? baseDirectory : baseDir;
        this.deleteOnExit = deleteOnExit;
    }

    public DiskAttribute(String name, long definedSize, Charset charset) {
        this(name, definedSize, charset, baseDirectory, deleteOnExitTemporaryFile);
    }

    public DiskAttribute(String name, long definedSize, Charset charset, String baseDir, boolean deleteOnExit) {
        super(name, charset, definedSize);
        this.baseDir = baseDir == null ? baseDirectory : baseDir;
        this.deleteOnExit = deleteOnExit;
    }

    public DiskAttribute(String name, String value) throws IOException {
        this(name, value, HttpConstants.DEFAULT_CHARSET);
    }

    public DiskAttribute(String name, String value, Charset charset) throws IOException {
        this(name, value, charset, baseDirectory, deleteOnExitTemporaryFile);
    }

    public DiskAttribute(String name, String value, Charset charset,
                         String baseDir, boolean deleteOnExit) throws IOException {
        super(name, charset, 0); // Attribute have no default size
        setValue(value);
        this.baseDir = baseDir == null ? baseDirectory : baseDir;
        this.deleteOnExit = deleteOnExit;
    }

    @Override
    public HttpDataType getHttpDataType() {
        return HttpDataType.Attribute;
    }

    @Override
    public String getValue() throws IOException {
        byte [] bytes = get();
        return new String(bytes, getCharset());