public final String getPath()
public boolean exists()
public InputStream getInputStream()

public static String getRealPath(ServletContext servletContext, String path)
public static Object getSessionAttribute(HttpServletRequest request, String name)
public static File getTempDir(ServletContext servletContext)

public static Integer getIntParameter(ServletRequest request, String name)
public static int[] getIntParameters(ServletRequest request, String name)
public static Long getLongParameter(ServletRequest request, String name)

public static String[] split(String toSplit, String delimiter)

public static String collectionToCommaDelimitedString(Collection<?> coll)

public static boolean hasLength(String str)

public static byte[] serialize(Object object)

public static Object deserialize(byte[] bytes)

public interface FactoryBean<T> {

    T getObject() throws Exception;

    Class<?> getObjectType();

    boolean isSingleton();

}

public interface ApplicationContextAware extends Aware {

    void setApplicationContext(ApplicationContext applicationContext) throws BeansException;

}

public interface InitializingBean {

    void afterPropertiesSet() throws Exception;

}

public interface DisposableBean {

    void destroy() throws Exception;

}

public interface BeanNameAware extends Aware {

    void setBeanName(String name);

}

public interface ResourceLoaderAware extends Aware {

    void setResourceLoader(ResourceLoader resourceLoader);

}