tech.nmfin.algoquant.web

Class HttpSupport

java.lang.Object

tech.nmfin.algoquant.web.HttpSupport

public final class HttpSupport
extends Object

Same-origin HTTP responses, form parsing and bounded request handling shared by all tools.

Using this example. Provides bounded form input and consistent resource, JSON and attachment responses for app routes. Financial calculations belong in the app services; this class only handles transport and response formatting.

Constructor Summary

Constructors

Constructor and Description
HttpSupport()

Method Summary

Modifier and Type	Method and Description
static void	attachment(com.sun.net.httpserver.HttpExchange e, String name, String type, byte[] body) Callers supply generated safe names (report IDs and fixed format names).
static String	error(String message)
static Map<String,String>	form(String body)
static String	readLimited(InputStream in)
static void	redirect(com.sun.net.httpserver.HttpExchange e, String target)
static Map<String,String>	requestForm(com.sun.net.httpserver.HttpExchange e) Both tools accept the same bounded form encoding.
static String	required(Map<String,String> f, String k)
static boolean	requireMethod(com.sun.net.httpserver.HttpExchange e, String method) Reject incorrect methods before reading a request body.
static void	resource(com.sun.net.httpserver.HttpExchange e, String file) Serve a route-selected classpath resource; never accept an unchecked request path here.
static void	respond(com.sun.net.httpserver.HttpExchange e, int code, String type, byte[] bytes)
static void	send(com.sun.net.httpserver.HttpExchange e, int code, String body)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HttpSupport

public HttpSupport()

Method Detail

readLimited

public static String readLimited(InputStream in)
                          throws IOException

Throws:

IOException

form

public static Map<String,String> form(String body)
                               throws UnsupportedEncodingException

Throws:

UnsupportedEncodingException

required

public static String required(Map<String,String> f,
                              String k)

error

public static String error(String message)

send

public static void send(com.sun.net.httpserver.HttpExchange e,
                        int code,
                        String body)
                 throws IOException

Throws:

IOException

respond

public static void respond(com.sun.net.httpserver.HttpExchange e,
                           int code,
                           String type,
                           byte[] bytes)
                    throws IOException

Throws:

IOException

requireMethod

public static boolean requireMethod(com.sun.net.httpserver.HttpExchange e,
                                    String method)
                             throws IOException

Reject incorrect methods before reading a request body.

Throws:

IOException

requestForm

public static Map<String,String> requestForm(com.sun.net.httpserver.HttpExchange e)
                                      throws IOException

Both tools accept the same bounded form encoding. Null means a response was already sent.

Throws:

IOException

redirect

public static void redirect(com.sun.net.httpserver.HttpExchange e,
                            String target)
                     throws IOException

Throws:

IOException

resource

public static void resource(com.sun.net.httpserver.HttpExchange e,
                            String file)
                     throws IOException

Serve a route-selected classpath resource; never accept an unchecked request path here.

Throws:

IOException

attachment

public static void attachment(com.sun.net.httpserver.HttpExchange e,
                              String name,
                              String type,
                              byte[] body)
                       throws IOException

Callers supply generated safe names (report IDs and fixed format names).

Throws:

IOException