root / trunk / web / dojo / dojox / rpc / JsonRest.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.rpc.JsonRest"]){ |
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| 9 | dojo._hasResource["dojox.rpc.JsonRest"]=true; |
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| 10 | dojo.provide("dojox.rpc.JsonRest");
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| 11 | dojo.require("dojox.json.ref");
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| 12 | dojo.require("dojox.rpc.Rest");
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| 13 | (function(){
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| 14 | var _1=[];
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| 15 | var _2=dojox.rpc.Rest;
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| 16 | var jr;
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| 17 | function _3(_4,_5,_6,_7){ |
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| 18 | var _8=_5.ioArgs&&_5.ioArgs.xhr&&_5.ioArgs.xhr.getResponseHeader("Last-Modified"); |
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| 19 | if(_8&&_2._timeStamps){
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| 20 | _2._timeStamps[_7]=_8; |
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| 21 | } |
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| 22 | var _9=_4._schema&&_4._schema.hrefProperty;
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| 23 | if(_9){
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| 24 | dojox.json.ref.refAttribute=_9; |
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| 25 | } |
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| 26 | _6=_6&&dojox.json.ref.resolveJson(_6,{defaultId:_7,index:_2._index,timeStamps:_8&&_2._timeStamps,time:_8,idPrefix:_4.servicePath.replace(/[^\/]*$/,""),idAttribute:jr.getIdAttribute(_4),schemas:jr.schemas,loader:jr._loader,idAsRef:_4.idAsRef,assignAbsoluteIds:true});
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| 27 | dojox.json.ref.refAttribute="$ref";
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| 28 | return _6;
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| 29 | }; |
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| 30 | jr=dojox.rpc.JsonRest={serviceClass:dojox.rpc.Rest,conflictDateHeader:"If-Unmodified-Since",commit:function(_a){
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| 31 | _a=_a||{};
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| 32 | var _b=[];
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| 33 | var _c={};
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| 34 | var _d=[];
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| 35 | for(var i=0;i<_1.length;i++){ |
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| 36 | var _e=_1[i];
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| 37 | var _f=_e.object;
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| 38 | var old=_e.old;
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| 39 | var _10=false; |
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| 40 | if(!(_a.service&&(_f||old)&&(_f||old).__id.indexOf(_a.service.servicePath))&&_e.save){
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| 41 | delete _f.__isDirty;
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| 42 | if(_f){
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| 43 | if(old){
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| 44 | var _11;
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| 45 | if((_11=_f.__id.match(/(.*)#.*/))){ |
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| 46 | _f=_2._index[_11[1]];
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| 47 | } |
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| 48 | if(!(_f.__id in _c)){ |
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| 49 | _c[_f.__id]=_f; |
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| 50 | if(_a.incrementalUpdates&&!_11){
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| 51 | var _12=(typeof _a.incrementalUpdates=="function"?_a.incrementalUpdates:function(){ |
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| 52 | _12={};
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| 53 | for(var j in _f){ |
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| 54 | if(_f.hasOwnProperty(j)){
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| 55 | if(_f[j]!==old[j]){
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| 56 | _12[j]=_f[j]; |
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| 57 | } |
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| 58 | }else{
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| 59 | if(old.hasOwnProperty(j)){
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| 60 | return null; |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 | return _12;
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| 65 | })(_f,old); |
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| 66 | } |
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| 67 | if(_12){
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| 68 | _b.push({method:"post",target:_f,content:_12});
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| 69 | }else{
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| 70 | _b.push({method:"put",target:_f,content:_f});
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| 71 | } |
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| 72 | } |
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| 73 | }else{
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| 74 | var _13=jr.getServiceAndId(_f.__id).service;
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| 75 | var _14=jr.getIdAttribute(_13);
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| 76 | if((_14 in _f)&&!_a.alwaysPostNewItems){ |
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| 77 | _b.push({method:"put",target:_f,content:_f});
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| 78 | }else{
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| 79 | _b.push({method:"post",target:{__id:_13.servicePath},content:_f});
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| 80 | } |
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| 81 | } |
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| 82 | }else{
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| 83 | if(old){
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| 84 | _b.push({method:"delete",target:old});
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| 85 | } |
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| 86 | } |
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| 87 | _d.push(_e); |
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| 88 | _1.splice(i--,1);
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| 89 | } |
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| 90 | } |
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| 91 | dojo.connect(_a,"onError",function(){ |
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| 92 | if(_a.revertOnError!==false){ |
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| 93 | var _15=_1;
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| 94 | _1=_d; |
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| 95 | var _16=0; |
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| 96 | jr.revert(); |
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| 97 | _1=_15; |
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| 98 | }else{
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| 99 | _1=dirtyObject.concat(_d); |
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| 100 | } |
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| 101 | }); |
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| 102 | jr.sendToServer(_b,_a); |
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| 103 | return _b;
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| 104 | },sendToServer:function(_17,_18){ |
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| 105 | var _19;
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| 106 | var _1a=dojo.xhr;
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| 107 | var _1b=_17.length;
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| 108 | var i,_1c;
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| 109 | var _1d;
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| 110 | var _1e=this.conflictDateHeader; |
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| 111 | dojo.xhr=function(_1f,_20){ |
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| 112 | _20.headers=_20.headers||{};
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| 113 | _20.headers["Transaction"]=_17.length-1==i?"commit":"open"; |
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| 114 | if(_1e&&_1d){
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| 115 | _20.headers[_1e]=_1d; |
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| 116 | } |
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| 117 | if(_1c){
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| 118 | _20.headers["Content-ID"]="<"+_1c+">"; |
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| 119 | } |
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| 120 | return _1a.apply(dojo,arguments); |
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| 121 | }; |
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| 122 | for(i=0;i<_17.length;i++){ |
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| 123 | var _21=_17[i];
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| 124 | dojox.rpc.JsonRest._contentId=_21.content&&_21.content.__id; |
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| 125 | var _22=_21.method=="post"; |
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| 126 | _1d=_21.method=="put"&&_2._timeStamps[_21.content.__id];
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| 127 | if(_1d){
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| 128 | _2._timeStamps[_21.content.__id]=(new Date())+""; |
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| 129 | } |
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| 130 | _1c=_22&&dojox.rpc.JsonRest._contentId; |
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| 131 | var _23=jr.getServiceAndId(_21.target.__id);
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| 132 | var _24=_23.service;
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| 133 | var dfd=_21.deferred=_24[_21.method](_23.id.replace(/#/,""),dojox.json.ref.toJson(_21.content,false,_24.servicePath,true)); |
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| 134 | (function(_25,dfd,_26){
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| 135 | dfd.addCallback(function(_27){
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| 136 | try{
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| 137 | var _28=dfd.ioArgs.xhr&&dfd.ioArgs.xhr.getResponseHeader("Location"); |
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| 138 | if(_28){
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| 139 | var _29=_28.match(/(^\w+:\/\/)/)&&_28.indexOf(_26.servicePath); |
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| 140 | _28=_29>0?_28.substring(_29):(_26.servicePath+_28).replace(/^(.*\/)?(\w+:\/\/)|[^\/\.]+\/\.\.\/|^.*\/(\/)/,"$2$3"); |
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| 141 | _25.__id=_28; |
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| 142 | _2._index[_28]=_25; |
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| 143 | } |
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| 144 | _27=_3(_26,dfd,_27,_25&&_25.__id); |
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| 145 | } |
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| 146 | catch(e){
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| 147 | } |
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| 148 | if(!(--_1b)){
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| 149 | if(_18.onComplete){
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| 150 | _18.onComplete.call(_18.scope,_17); |
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| 151 | } |
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| 152 | } |
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| 153 | return _27;
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| 154 | }); |
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| 155 | })(_21.content,dfd,_24); |
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| 156 | dfd.addErrback(function(_2a){
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| 157 | _1b=-1;
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| 158 | _18.onError.call(_18.scope,_2a); |
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| 159 | }); |
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| 160 | } |
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| 161 | dojo.xhr=_1a; |
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| 162 | },getDirtyObjects:function(){ |
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| 163 | return _1;
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| 164 | },revert:function(_2b){ |
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| 165 | for(var i=_1.length;i>0;){ |
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| 166 | i--; |
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| 167 | var _2c=_1[i];
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| 168 | var _2d=_2c.object;
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| 169 | var old=_2c.old;
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| 170 | var _2e=dojox.data._getStoreForItem(_2d||old);
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| 171 | if(!(_2b&&(_2d||old)&&(_2d||old).__id.indexOf(_2b.servicePath))){
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| 172 | if(_2d&&old){
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| 173 | for(var j in old){ |
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| 174 | if(old.hasOwnProperty(j)&&_2d[j]!==old[j]){
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| 175 | if(_2e){
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| 176 | _2e.onSet(_2d,j,_2d[j],old[j]); |
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| 177 | } |
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| 178 | _2d[j]=old[j]; |
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| 179 | } |
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| 180 | } |
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| 181 | for(j in _2d){ |
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| 182 | if(!old.hasOwnProperty(j)){
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| 183 | if(_2e){
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| 184 | _2e.onSet(_2d,j,_2d[j]); |
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| 185 | } |
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| 186 | delete _2d[j];
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| 187 | } |
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| 188 | } |
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| 189 | }else{
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| 190 | if(!old){
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| 191 | if(_2e){
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| 192 | _2e.onDelete(_2d); |
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| 193 | } |
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| 194 | }else{
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| 195 | if(_2e){
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| 196 | _2e.onNew(old); |
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| 197 | } |
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| 198 | } |
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| 199 | } |
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| 200 | delete (_2d||old).__isDirty;
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| 201 | _1.splice(i,1);
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| 202 | } |
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| 203 | } |
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| 204 | },changing:function(_2f,_30){ |
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| 205 | if(!_2f.__id){
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| 206 | return;
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| 207 | } |
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| 208 | _2f.__isDirty=true;
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| 209 | for(var i=0;i<_1.length;i++){ |
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| 210 | var _31=_1[i];
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| 211 | if(_2f==_31.object){
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| 212 | if(_30){
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| 213 | _31.object=false;
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| 214 | if(!this._saveNotNeeded){ |
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| 215 | _31.save=true;
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| 216 | } |
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| 217 | } |
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| 218 | return;
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| 219 | } |
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| 220 | } |
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| 221 | var old=_2f instanceof Array?[]:{}; |
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| 222 | for(i in _2f){ |
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| 223 | if(_2f.hasOwnProperty(i)){
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| 224 | old[i]=_2f[i]; |
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| 225 | } |
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| 226 | } |
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| 227 | _1.push({object:!_30&&_2f,old:old,save:!this._saveNotNeeded});
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| 228 | },deleteObject:function(_32){ |
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| 229 | this.changing(_32,true); |
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| 230 | },getConstructor:function(_33,_34){ |
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| 231 | if(typeof _33=="string"){ |
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| 232 | var _35=_33;
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| 233 | _33=new dojox.rpc.Rest(_33,true); |
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| 234 | this.registerService(_33,_35,_34);
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| 235 | } |
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| 236 | if(_33._constructor){
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| 237 | return _33._constructor;
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| 238 | } |
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| 239 | _33._constructor=function(_36){ |
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| 240 | var _37=this; |
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| 241 | var _38=arguments; |
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| 242 | var _39;
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| 243 | var _3a;
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| 244 | function _3b(_3c){ |
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| 245 | if(_3c){
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| 246 | _3b(_3c["extends"]);
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| 247 | _39=_3c.properties; |
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| 248 | for(var i in _39){ |
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| 249 | var _3d=_39[i];
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| 250 | if(_3d&&(typeof _3d=="object")&&("default" in _3d)){ |
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| 251 | _37[i]=_3d["default"];
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| 252 | } |
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| 253 | } |
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| 254 | } |
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| 255 | if(_3c&&_3c.prototype&&_3c.prototype.initialize){
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| 256 | _3a=true;
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| 257 | _3c.prototype.initialize.apply(_37,_38); |
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| 258 | } |
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| 259 | }; |
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| 260 | _3b(_33._schema); |
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| 261 | if(!_3a&&_36&&typeof _36=="object"){ |
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| 262 | dojo.mixin(_37,_36); |
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| 263 | } |
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| 264 | var _3e=jr.getIdAttribute(_33);
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| 265 | _2._index[this.__id=this.__clientId=_33.servicePath+(this[_3e]||Math.random().toString(16).substring(2,14)+"@"+((dojox.rpc.Client&&dojox.rpc.Client.clientId)||"client"))]=this; |
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| 266 | if(dojox.json.schema&&_39){
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| 267 | dojox.json.schema.mustBeValid(dojox.json.schema.validate(this,_33._schema));
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| 268 | } |
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| 269 | _1.push({object:this,save:true});
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| 270 | }; |
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| 271 | return dojo.mixin(_33._constructor,_33._schema,{load:_33}); |
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| 272 | },fetch:function(_3f){ |
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| 273 | var _40=jr.getServiceAndId(_3f);
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| 274 | return this.byId(_40.service,_40.id); |
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| 275 | },getIdAttribute:function(_41){ |
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| 276 | var _42=_41._schema;
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| 277 | var _43;
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| 278 | if(_42){
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| 279 | if(!(_43=_42._idAttr)){
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| 280 | for(var i in _42.properties){ |
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| 281 | if(_42.properties[i].identity||(_42.properties[i].link=="self")){ |
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| 282 | _42._idAttr=_43=i; |
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| 283 | } |
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| 284 | } |
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| 285 | } |
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| 286 | } |
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| 287 | return _43||"id"; |
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| 288 | },getServiceAndId:function(_44){ |
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| 289 | var _45=""; |
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| 290 | for(var _46 in jr.services){ |
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| 291 | if((_44.substring(0,_46.length)==_46)&&(_46.length>=_45.length)){ |
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| 292 | _45=_46; |
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| 293 | } |
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| 294 | } |
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| 295 | if(_45){
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| 296 | return {service:jr.services[_45],id:_44.substring(_45.length)}; |
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| 297 | } |
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| 298 | var _47=_44.match(/^(.*\/)([^\/]*)$/); |
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| 299 | return {service:new jr.serviceClass(_47[1],true),id:_47[2]}; |
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| 300 | },services:{},schemas:{},registerService:function(_48,_49,_4a){ |
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| 301 | _49=_48.servicePath=_49||_48.servicePath; |
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| 302 | _48._schema=jr.schemas[_49]=_4a||_48._schema||{};
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| 303 | jr.services[_49]=_48; |
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| 304 | },byId:function(_4b,id){ |
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| 305 | var _4c,_4d=_2._index[(_4b.servicePath||"")+id]; |
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| 306 | if(_4d&&!_4d._loadObject){
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| 307 | _4c=new dojo.Deferred();
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| 308 | _4c.callback(_4d); |
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| 309 | return _4c;
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| 310 | } |
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| 311 | return this.query(_4b,id); |
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| 312 | },query:function(_4e,id,_4f){ |
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| 313 | var _50=_4e(id,_4f);
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| 314 | _50.addCallback(function(_51){
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| 315 | if(_51.nodeType&&_51.cloneNode){
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| 316 | return _51;
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| 317 | } |
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| 318 | return _3(_4e,_50,_51,typeof id!="string"||(_4f&&(_4f.start||_4f.count))?undefined:id); |
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| 319 | }); |
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| 320 | return _50;
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| 321 | },_loader:function(_52){ |
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| 322 | var _53=jr.getServiceAndId(this.__id); |
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| 323 | var _54=this; |
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| 324 | jr.query(_53.service,_53.id).addBoth(function(_55){
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| 325 | if(_55==_54){
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| 326 | delete _55.$ref; |
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| 327 | delete _55._loadObject;
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| 328 | }else{
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| 329 | _54._loadObject=function(_56){ |
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| 330 | _56(_55); |
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| 331 | }; |
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| 332 | } |
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| 333 | _52(_55); |
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| 334 | }); |
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| 335 | },isDirty:function(_57){ |
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| 336 | if(!_57){
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| 337 | return !!_1.length;
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| 338 | } |
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| 339 | return _57.__isDirty;
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| 340 | }}; |
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| 341 | })(); |
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| 342 | } |