331 lines
11 KiB
Java
331 lines
11 KiB
Java
/*
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* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.io.*;
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import java.nio.*;
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import java.nio.channels.*;
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import java.net.*;
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import sun.net.www.MessageHeader;
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/**
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* This class encapsulates a HTTP request received and a response to be
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* generated in one transaction. It provides methods for examaining the
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* request from the client, and for building and sending a reply.
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*/
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public class HttpTransaction {
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String command;
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URI requesturi;
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TestHttpsServer.ServerWorker server;
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MessageHeader reqheaders, reqtrailers;
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String reqbody;
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byte[] rspbody;
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MessageHeader rspheaders, rsptrailers;
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SocketChannel ch;
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int rspbodylen;
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boolean rspchunked;
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HttpTransaction (TestHttpsServer.ServerWorker server, String command,
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URI requesturi, MessageHeader headers,
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String body, MessageHeader trailers, SocketChannel ch) {
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this.command = command;
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this.requesturi = requesturi;
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this.reqheaders = headers;
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this.reqbody = body;
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this.reqtrailers = trailers;
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this.ch = ch;
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this.server = server;
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}
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/**
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* Get the value of a request header whose name is specified by the
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* String argument.
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*
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* @param key the name of the request header
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* @return the value of the header or null if it does not exist
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*/
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public String getRequestHeader (String key) {
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return reqheaders.findValue (key);
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}
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/**
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* Get the value of a response header whose name is specified by the
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* String argument.
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*
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* @param key the name of the response header
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* @return the value of the header or null if it does not exist
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*/
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public String getResponseHeader (String key) {
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return rspheaders.findValue (key);
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}
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/**
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* Get the request URI
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*
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* @return the request URI
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*/
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public URI getRequestURI () {
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return requesturi;
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}
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public String toString () {
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StringBuffer buf = new StringBuffer();
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buf.append ("Request from: ").append (ch.toString()).append("\r\n");
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buf.append ("Command: ").append (command).append("\r\n");
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buf.append ("Request URI: ").append (requesturi).append("\r\n");
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buf.append ("Headers: ").append("\r\n");
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buf.append (reqheaders.toString()).append("\r\n");
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buf.append ("Body: ").append (reqbody).append("\r\n");
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buf.append ("---------Response-------\r\n");
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buf.append ("Headers: ").append("\r\n");
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if (rspheaders != null) {
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buf.append (rspheaders.toString()).append("\r\n");
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}
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String rbody = rspbody == null? "": new String (rspbody);
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buf.append ("Body: ").append (rbody).append("\r\n");
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return new String (buf);
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}
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/**
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* Get the value of a request trailer whose name is specified by
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* the String argument.
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*
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* @param key the name of the request trailer
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* @return the value of the trailer or null if it does not exist
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*/
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public String getRequestTrailer (String key) {
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return reqtrailers.findValue (key);
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}
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/**
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* Add a response header to the response. Multiple calls with the same
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* key value result in multiple header lines with the same key identifier
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* @param key the name of the request header to add
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* @param val the value of the header
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*/
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public void addResponseHeader (String key, String val) {
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if (rspheaders == null)
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rspheaders = new MessageHeader ();
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rspheaders.add (key, val);
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}
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/**
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* Set a response header. Searches for first header with named key
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* and replaces its value with val
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* @param key the name of the request header to add
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* @param val the value of the header
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*/
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public void setResponseHeader (String key, String val) {
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if (rspheaders == null)
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rspheaders = new MessageHeader ();
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rspheaders.set (key, val);
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}
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/**
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* Add a response trailer to the response. Multiple calls with the same
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* key value result in multiple trailer lines with the same key identifier
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* @param key the name of the request trailer to add
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* @param val the value of the trailer
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*/
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public void addResponseTrailer (String key, String val) {
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if (rsptrailers == null)
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rsptrailers = new MessageHeader ();
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rsptrailers.add (key, val);
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}
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/**
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* Get the request method
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*
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* @return the request method
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*/
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public String getRequestMethod (){
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return command;
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}
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/**
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* Perform an orderly close of the TCP connection associated with this
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* request. This method guarantees that any response already sent will
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* not be reset (by this end). The implementation does a shutdownOutput()
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* of the TCP connection and for a period of time consumes and discards
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* data received on the reading side of the connection. This happens
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* in the background. After the period has expired the
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* connection is completely closed.
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*/
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public void orderlyClose () {
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try {
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server.orderlyCloseChannel (ch);
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} catch (IOException e) {
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System.out.println (e);
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}
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}
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/**
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* Do an immediate abortive close of the TCP connection associated
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* with this request.
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*/
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public void abortiveClose () {
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try {
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server.abortiveCloseChannel(ch);
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} catch (IOException e) {
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System.out.println (e);
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}
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}
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/**
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* Get the SocketChannel associated with this request
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*
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* @return the socket channel
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*/
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public SocketChannel channel() {
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return ch;
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}
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/**
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* Get the request entity body associated with this request
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* as a single String.
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*
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* @return the entity body in one String
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*/
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public String getRequestEntityBody (){
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return reqbody;
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}
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/**
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* Set the entity response body with the given string
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* The content length is set to the length of the string
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* @param body the string to send in the response
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*/
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public void setResponseEntityBody (String body){
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rspbody = body.getBytes();
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rspbodylen = body.length();
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rspchunked = false;
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addResponseHeader ("Content-length", Integer.toString (rspbodylen));
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}
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/**
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* Set the entity response body with the given byte[]
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* The content length is set to the gven length
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* @param body the string to send in the response
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*/
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public void setResponseEntityBody (byte[] body, int len){
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rspbody = body;
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rspbodylen = len;
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rspchunked = false;
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addResponseHeader ("Content-length", Integer.toString (rspbodylen));
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}
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/**
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* Set the entity response body by reading the given inputstream
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*
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* @param is the inputstream from which to read the body
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*/
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public void setResponseEntityBody (InputStream is) throws IOException {
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byte[] buf = new byte [2048];
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byte[] total = new byte [2048];
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int total_len = 2048;
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int c, len=0;
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while ((c=is.read (buf)) != -1) {
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if (len+c > total_len) {
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byte[] total1 = new byte [total_len * 2];
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System.arraycopy (total, 0, total1, 0, len);
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total = total1;
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total_len = total_len * 2;
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}
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System.arraycopy (buf, 0, total, len, c);
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len += c;
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}
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setResponseEntityBody (total, len);
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}
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/* chunked */
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/**
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* Set the entity response body with the given array of strings
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* The content encoding is set to "chunked" and each array element
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* is sent as one chunk.
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* @param body the array of string chunks to send in the response
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*/
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public void setResponseEntityBody (String[] body) {
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StringBuffer buf = new StringBuffer ();
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int len = 0;
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for (int i=0; i<body.length; i++) {
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String chunklen = Integer.toHexString (body[i].length());
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len += body[i].length();
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buf.append (chunklen).append ("\r\n");
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buf.append (body[i]).append ("\r\n");
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}
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buf.append ("0\r\n");
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rspbody = new String (buf).getBytes();
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rspbodylen = rspbody.length;
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rspchunked = true;
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addResponseHeader ("Transfer-encoding", "chunked");
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}
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/**
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* Send the response with the current set of response parameters
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* but using the response code and string tag line as specified
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* @param rCode the response code to send
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* @param rTag the response string to send with the response code
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*/
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public void sendResponse (int rCode, String rTag) throws IOException {
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OutputStream os = new TestHttpsServer.NioOutputStream(channel(), server.getSSLEngine(), server.outNetBB(), server.outAppBB());
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PrintStream ps = new PrintStream (os);
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ps.print ("HTTP/1.1 " + rCode + " " + rTag + "\r\n");
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if (rspheaders != null) {
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rspheaders.print (ps);
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} else {
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ps.print ("\r\n");
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}
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ps.flush ();
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if (rspbody != null) {
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os.write (rspbody, 0, rspbodylen);
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os.flush();
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}
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if (rsptrailers != null) {
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rsptrailers.print (ps);
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} else if (rspchunked) {
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ps.print ("\r\n");
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}
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ps.flush();
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}
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/* sends one byte less than intended */
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public void sendPartialResponse (int rCode, String rTag)throws IOException {
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OutputStream os = new TestHttpsServer.NioOutputStream(channel(), server.getSSLEngine(), server.outNetBB(), server.outAppBB());
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PrintStream ps = new PrintStream (os);
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ps.print ("HTTP/1.1 " + rCode + " " + rTag + "\r\n");
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ps.flush();
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if (rspbody != null) {
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os.write (rspbody, 0, rspbodylen-1);
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os.flush();
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}
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if (rsptrailers != null) {
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rsptrailers.print (ps);
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}
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ps.flush();
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}
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}
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