Adding chapter 11 code

Author: stimms

Chapter 11/AOP.js

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+var GoldTransfer = (function () {
+    function GoldTransfer() {
+    }
+    GoldTransfer.prototype.SendPaymentOfGold = function (amountOfGold, destination) {
+        var user = Security.GetCurrentUser();
+        if (Security.IsAuthorized(user, "SendPaymentOfGold")) {
+            //send actual payment
+        } else {
+            return { success: 0, message: "Unauthorized" };
+        }
+    };
+    return GoldTransfer;
+})();
+
+var Security = (function () {
+    function Security() {
+    }
+    Security.IsAuthorized = function (user, functionPoint) {
+    };
+    Security.GetCurrentUser = function () {
+    };
+    return Security;
+})();

Chapter 11/AOP.ts

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+class GoldTransfer{
+  SendPaymentOfGold(amountOfGold, destination){
+    var user = Security.GetCurrentUser();
+    if(Security.IsAuthorized(user, "SendPaymentOfGold")){
+      //send actual payment
+    }
+    else{
+      return { success: 0, message:"Unauthorized"};
+    }
+  }
+}
+
+class Security{
+  static IsAuthorized(user, functionPoint){}
+  static GetCurrentUser(){}
+}

Chapter 11/AspectWeaver.js

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+var ToWeaveIn = (function () {
+    function ToWeaveIn() {
+    }
+    ToWeaveIn.prototype.BeforeCall = function () {
+        console.log("Before!");
+    };
+    ToWeaveIn.prototype.AfterCall = function () {
+        console.log("After!");
+    };
+    return ToWeaveIn;
+})();
+
+var GoldTransfer = (function () {
+    function GoldTransfer() {
+    }
+    GoldTransfer.prototype.SendPaymentOfGold = function (amountOfGold, destination) {
+        /* @aspect(Security)*/
+        //send actual payment
+        console.log("Payment sent");
+    };
+    return GoldTransfer;
+})();
+
+function weave(toWeave, toWeaveIn, toWeaveInName) {
+    for (var property in toWeave.prototype) {
+        var stringRepresentation = toWeave.prototype[property].toString();
+
+        console.log(stringRepresentation);
+        if (stringRepresentation.indexOf("@aspect(" + toWeaveInName + ")") >= 0) {
+            toWeave.prototype[property + "_wrapped"] = toWeave.prototype[property];
+            toWeave.prototype[property] = function () {
+                toWeaveIn.BeforeCall();
+                toWeave.prototype[property + "_wrapped"]();
+                toWeaveIn.AfterCall();
+            };
+        }
+    }
+}
+
+weave(GoldTransfer, new ToWeaveIn(), "Security");
+var transfer = new GoldTransfer();
+transfer.SendPaymentOfGold(50, "Starks");

Chapter 11/AspectWeaver.ts

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+class ToWeaveIn{
+  BeforeCall(){
+    console.log("Before!");
+  }
+  AfterCall(){
+    console.log("After!");
+  }
+}
+
+class GoldTransfer{
+
+  SendPaymentOfGold(amountOfGold, destination){
+    /* @aspect(Security)*/
+    //send actual payment
+    console.log("Payment sent");
+  }
+}
+
+function weave(toWeave, toWeaveIn, toWeaveInName){
+  for (var property in toWeave.prototype) {
+    var stringRepresentation = toWeave.prototype[property].toString();
+
+    console.log(stringRepresentation);
+    if(stringRepresentation.indexOf("@aspect(" + toWeaveInName + ")") >= 0)
+    {
+      toWeave.prototype[property + "_wrapped"] = toWeave.prototype[property];
+      toWeave.prototype[property] = function(){ toWeaveIn.BeforeCall();
+                                                toWeave.prototype[property + "_wrapped"]();
+                                                toWeaveIn.AfterCall();
+      }
+    }
+  }
+}
+
+weave(GoldTransfer, new ToWeaveIn(), "Security");
+var transfer = new GoldTransfer();
+transfer.SendPaymentOfGold(50, "Starks");

Chapter 11/DependencyInjection.js

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+var UserManager = (function () {
+    function UserManager(database, userEmailer) {
+        this.database = database;
+        this.userEmailer = userEmailer;
+    }
+    return UserManager;
+})();
+
+var Database = (function () {
+    function Database() {
+    }
+    return Database;
+})();
+
+var UserEmailer = (function () {
+    function UserEmailer() {
+    }
+    return UserEmailer;
+})();

Chapter 11/DependencyInjection.ts

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+class UserManager{
+  constructor(public database, public userEmailer){
+
+  }
+}
+
+class Database{}
+
+  class UserEmailer{}

Chapter 11/dsl.js

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+var Axe = (function () {
+    function Axe(handleLength, /*public*/ headHeight) {
+    }
+    return Axe;
+})();
+
+function publicParameters(func) {
+    var stringRepresentation = func.toString();
+    var matches = stringRepresentation.match(/^function .*\((.*)\)/);
+    var parameterString = matches[1];
+    var parameters = parameterString.split(",");
+    var setterString = "";
+    for (var i = 0; i < parameters.length; i++) {
+        if (parameters[i].indexOf("public") >= 0) {
+            var parameterName = parameters[i].split('/')[parameters[i].split('/').length - 1].trim();
+            setterString += "this." + parameterName + " = " + parameterName + ";\n";
+        }
+    }
+    var functionParts = stringRepresentation.match(/(^.*{)([\s\S]*)/);
+    return functionParts[1] + setterString + functionParts[2];
+}
+
+console.log(publicParameters(Axe));
+eval(publicParameters(Axe));

Chapter 11/dsl.ts

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+class Axe{
+  constructor(handleLength, /*public*/ headHeight){}
+}
+
+function publicParameters(func){
+  var stringRepresentation = func.toString();
+  var parameterString = stringRepresentation.match(/^function .*\((.*)\)/)[1];
+  var parameters = parameterString.split(",");
+  var setterString = "";
+  for(var i = 0; i < parameters.length; i++){
+    if(parameters[i].indexOf("public") >= 0){
+      var parameterName = parameters[i].split('/')[parameters[i].split('/').length-1].trim();
+      setterString += "this." +  parameterName + " = " + parameterName + ";\n";
+    }
+  }
+  var functionParts = stringRepresentation.match(/(^.*{)([\s\S]*)/);
+  return functionParts[1] + setterString + functionParts[2];
+}
+
+console.log(publicParameters(Axe));
+eval (publicParameters(Axe));

Chapter 11/public_arguments.js

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+var Axe = (function () {
+    function Axe(handleLength, headHeight) {
+        this.handleLength = handleLength;
+        this.headHeight = headHeight;
+    }
+    return Axe;
+})();

Chapter 11/public_arguments.ts

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+class Axe{
+  constructor(public handleLength, public headHeight){}
+}