用java解析HTTP请求报头.doc

用java解析HTTP请求报头 IT初始化H)fGZ用java解析HTTP请求报头GbY$gdM0 $_0O h A Q(A2IT D0IT初始化d8MX Z:ntRvJava代码1I QA:| Pv0/* eq#U#_(L0* 传入一个Socket对象，解析出通过该对象传入这个链接中的所有HTTP请求信息IT初始化4jUD |-s?N*IT初始化:c u ywrY* param clientIT初始化.d? MD+iB*/IT初始化2kptx%Dprivate void getRequset(Socket client) 6B7(X(_!pr H0try IT初始化+WN:G#CVInputStream in = client.getInputStream();IT初始化;DJw%wF_aB.HI FTInputStreamReader reader = new InputStreamReader(in);!8b+n.a:/a0BufferedReader bd = new BufferedReader(reader);/三重封装e?6NN p;0String t = null;IT初始化_!Z:l/Vr;KW3Ltx(nzW:VW0while (t = bd.readLine() != null) IT初始化2u)s h 1x5gjC8System.out.println(t);&D;vs+Adjh0parser(t);/解析每一句的方法IT初始化c_)CclIT初始化L bk3Y)KM2V catch (Exception ef) IT初始化;c:v(UMHLef.printStackTrace();b h9ESMUC8F0System.out.println(getRequset error-);5K Q |4I3 y0IT初始化1i;e R:E*| |&N_3cj%U:r0IT初始化7k/.VH8emq /*;J-oT;A$yf6k0* 传入一个Socket对象，解析出通过该对象传入这个链接中的所有HTTP请求信息4 v!Le/j0J!SWD0*n5BM5)P0* param clientIT初始化*Px$g SFl.L!CYk|-M*/6_3H XV7E i W(M0private void getRequset(Socket client) G)X;,k9J)c8sz0try hdrGu4Q0InputStream in = client.getInputStream();WCA l l/0InputStreamReader reader = new InputStreamReader(in);UJ$BzU3A4u,b(c8QN0BufferedReader bd = new BufferedReader(reader);/三重封装U hQ.z$g-Ya _0String t = null;*d&v r,Ft;v0IT初始化:YZ? ODiTQ_ while (t = bd.readLine() != null) IT初始化boj!K6l!System.out.println(t);2v 9Br R5bwq$x0parser(t);/解析每一句的方法h4H)GI2J0I L07uz0 catch (Exception ef) |g a0j)Fn*Jt3I0ef.printStackTrace();Hm M#B P0System.out.println(getRequset error-);ti A:?-B0CA+B:GMKR0Qr.i0IT初始化Zw COIT初始化W7b3J-Doe ;a-q.O-v!nR0IT初始化8zIuJ+k2Vo7?%h 9g*Kd7g;P0h:b0 *U:Ru&P r6?4E:T0)A+jh8;,vQy3H0信息如下3X%y1Z3mZ?g ?O0GET /index HTTP/1.1IT初始化 Ev+cRB e+eoo:i C!eUser-Agent: Opera/9.80 (Windows NT 6.1; U; Edition IBIS; zh-cn) Presto/2.6.30 Version/10.634l6FGZ2nd0Host: localhost:81IT初始化y#x?JAccept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1IT初始化r%d r4wB*hO6Bdv k5qAccept-Language: zh-CN,zh;q=0.9,en;q=0.8IT初始化 Qw B;D qAccept-Charset: iso-8859-1, utf-8, utf-16, *;q=0.1IT初始化P/z2s4T2X+X2FUAccept-Encoding: deflate, gzip, x-gzip, identity, *;q=0gkJ%TLQ0Connection: Keep-Alive1v6v7w+_g*T0/注意，此处两行空格也为HTTP请求的一部分IT初始化zO W.MLIT初始化)G*ZjRZ$ IT初始化6h;D 1?C8M YmC72u6w/vrn0K6t0,F_(f4E.R.GoQ0 RM /gA6ul0IT初始化zVBH!j)-Y b2MIT初始化x kN TXu7S?Sk 我们又都知道IT初始化N+S)hxf_yI? ZkM qK3O0在Tomcat中IT初始化ok9rw!_W.uAkIT初始化$v8zRr:?3K)v,#I 所有的请求信息pf+OAy0IT初始化p&P3JTc!$y IT初始化(V2v*k/R_7w8EtIT初始化97Tl1xGG%Yn: 我们都已经封装好3CdFSV(o r0 j+_*pul)I$z0放入一个HttpRequest对象中IT初始化 S6s$uSIT初始化 Oip:E0U(k z1XA1Z D/C S0IT初始化QY?7z- 在我们自己山寨的Tomcat中IT初始化6iFF+9t _&eIT初始化0nsu2hk2dPUv;J 因为得到的Http请求是一个字符串DXb| z3t0 A+t3v:;r0d9y8i0要得到我们需要的信息IT初始化-d0KkZ,xHkS8mwIT初始化o w:d;q%n)HV 0+dZ KKh?B0 H7g-s Msk h8p#f0也必须对此字符串进行解析IT初始化ji&w&i2x;ru p(XS:X)wvKD D0将解析后的字符串放入一个Request对象中#vLg2mY%G#pt0 4L-MF d-Y7B )0-s iP# y,Me(K0IT初始化Ua4C Requst类源码如下IT初始化8v,VQ9q#B8ZJRCaE8s#q Qw0Java代码IT初始化&h+(FZ#U:rg2Java代码IT初始化;F;w:A-wWOpublic class Request jP.PK9tW0private String method;/ 请求方法IT初始化/DRoW$C2S5M8sX:qprivate String protocol;/ 协议版本v&FcMoR hE1vh0private String requestURL;_/4z)LQU.O6o$h0private String requestURI;/请求的URI地址 在HTTP请求的第一行的请求方法后面IT初始化;s:TmH LFn1WIo3puprivate String host;/请求的主机信息IT初始化,w j*y*hOprivate String Connection;/Http请求连接状态信息 对应HTTP请求中的ConnectionIT初始化BL;zJt#-km0?private String agent;/ 代理，用来标识代理的浏览器信息 ,对应HTTP请求中的User-Agent:no$C,q+NShu:D0private String language;/对应Accept-LanguageIT初始化-b U0gp4y v$Xp0vprivate String encoding;/请求的编码方式 对应HTTP请求中的Accept-EncodingIT初始化6u-l2u6XPprivate String charset;/请求的字符编码 对应HTTP请求中的Accept-CharsetIT初始化Oi5DWPX?F Aprivate String accept;/ 对应HTTP请求中的Accept;IT初始化:?5P oXw%L2j)g1VuIT初始化w#gC-kIT初始化:d8U0ej ogetter() setter()IT初始化%m5!xez)g3t/za9a:cS gU0,l D%ZV*p/R7Z0IT初始化;H_s !b public class Request zW1v T#M8I h0private String method;/ 请求方法t&Be|K9mR;l0private String protocol;/ 协议版本IT初始化e*WM#xXmprivate String requestURL;IT初始化q#JCV8c)Q3h(Vprivate String requestURI;/请求的URI地址 在HTTP请求的第一行的请求方法后面s4GtX7f#E&yPL6Ds0private String host;/请求的主机信息3U )qhm:v1rs0private String Connection;/Http请求连接状态信息 对应HTTP请求中的ConnectionIT初始化f,Y&I/FC+C9np g4E(nprivate String agent;/ 代理，用来标识代理的浏览器信息 ,对应HTTP请求中的User-Agent:IT初始化)nJ6KG! Iprivate String language;/对应Accept-LanguageIT初始化|G1T(uXprivate String encoding;/请求的编码方式 对应HTTP请求中的Accept-EncodingIT初始化de&pXz9jprivate String charset;/请求的字符编码 对应HTTP请求中的Accept-CharsetIT初始化7t,AH6e d t5bprivate String accept;/ 对应HTTP请求中的Accept;z8S%W M9o+O0 K*8vj9/g%_*o N0W7dAC k3B)U0getter() setter()IT初始化P e4lQo*fGKIS20IT初始化H#KKv gP/sd0T d|v0s,_Yq,h0IT初始化 Z+vfIo-IT初始化/ deTp3RH IT初始化%ZX mrijL7yu3P pW0有了用来存放封装后信息的Request类Q5D$ygqZ(B0IT初始化(EE6jS)pKFc 有了请求信息的字符串IT初始化wF)RA6_ow3Y6j5xO9wIT初始化 w v0c9Lko;R 接下来pdS/8Nz0 9w)Y2i4oyQ W0我们只需要将字符串解析IT初始化)m7I6;p_UI0并且存放在Request对象中IT初始化,O*U-P-v6vK;m-FWosRG1d(L:V0IT初始化IYmZ&a,L#if nMP0_l u _e0源代码如下(aY B 1 Qoe1lvwu0IT初始化SOna$Xu ?5aMcJ.F-F)6j0Java代码?(iA9UO#PE6Tm(0Java代码6N;,eF4Z-f0|.M/I0/*IT初始化 a;Dn Y* 传入HTTP请求中需要解析的某一句 解析该句，并请放入对应的Request对象中49H K(HK8C n$J0*0Z O5G7 w)9EM0* param s)VZkF N0*/?ml qW0private void parser(String s) t8W$b wqA0if (s.startsWith(GET) ,j#V#A(JY KJj+1c1S0String method = Get;v:Xg&M9GH0request.setMethod(method);IT初始化 27Mk,C2fdx4X&H&wkIT初始化-A&A3c/j!n3I5o/P)xint index = s.indexOf(HTTP);A6FL(F3f)T MEj7ks0System.out.println(index- + index);w9Ad/S l6CF9O0String uri = s.substring(3 + 1, index - 1);/ 用index-1可以去掉连接中的空格)aCN+N/;z0System.out.println(uri- + uri);IT初始化:r9q.C_u2Bpp1request.setRequestURI(uri);6u;*Ke-I0r1r)GY6pv&t#0String protocol = s.substring(index);psc5h dUW7E0System.out.println(protocol- + protocol);IT初始化/Kp%W&K0F2L?request.setProtocol(protocol);IT初始化v, | SH else if (s.startsWith(POST) IT初始化qF(O(GjmywString method = POST;IT初始化E:|? GG/kZ Jrequest.setMethod(method);.lzRf#a$h&O0IT初始化Eo6g$_eint index = s.indexOf(HTTP);IT初始化X0_q+Fg System.out.println(index- + index);IT初始化 Z5UF6iF4rr2y$?q!HString uri = s.substring(3 + 1, index - 1);/ 用index-1可以去掉连接中的空格IT初始化e%_TSC6Jv,P|System.out.println(uri- + uri);v)NkHX_-v LDx0request.setRequestURI(uri);IT初始化OQs/W?R/S yS:?U%q1ke |:w-T0String protocol = s.substring(index);_+M2w7|8cM0System.out.println(protocol- + protocol);IT初始化G?m.e7n.|hrequest.setProtocol(protocol);IT初始化a,S;Hm*&x8Aa5l jF2TIT初始化-ehX,WE%EWw0v%s else if (s.startsWith(Accept:) IT初始化9p,wU Z;M;E#_String accept = s.substring(Accept:.length() + 1);j;Fe*pK b(|0System.out.println(accept- + accept);V:wB6p_0request.setAccept(accept);IT初始化-l Z4jBb(IT初始化Er*b* z-yEX else if (s.startsWith(User-Agent:) Is!Q$TvNK x_0String agent = s.substring(User-Agent:.length() + 1);IT初始化%V-wJ dnUSPSystem.out.println(agent- + agent);b#c8k6O4Y Yp9k?0request.setAgent(agent);IT初始化 qNpk8en w*I2bK _3U9ohn7N0 else if (s.startsWith(Host:) U9Nxdfg0e u0String host = s.substring(Host:.length() + 1);$jMN7_(j VOU0System.out.println(host- + host);jg%N:pR3d0request.setHost(host);$.?pL.X_0:GC/J_nZ5mU20 else if (s.startsWith(Accept-Language:) 2R.lAFS0b0String language = s.substring(Accept-Language:.length() + 1);IT初始化*bc:c.K?System.out.println(language- + language);on