Programming Groovy dynamic productivity for the java developer phần 6 pot

... command groovyc -j AJava- Class .java UseJavaClass .groovy -Jsource 1 .6. The option -Jsource 1 .6 sends the optional option source = 1 .6 to the Java compiler. Examine the byte- code generated using javap. ... Using Groovy Classes from Java If the Groovy classes are precompiled, then you can use the .class files or JARs readily in Java. Java sees no difference betwe...

Ngày tải lên: 12/08/2014, 23:22

... (the traditional Java main( ) method). JAVABEANS 46 Download GroovyForJavaEyes/Car .java / /Java code public class Car { private int miles; private int year; public Car(int theYear) { year = theYear; ... true. If the object reference is not-null, then the truth depends on the type of the object. For example, if th e object is a collection (like java. util.ArrayList), then Gr...

Ngày tải lên: 12/08/2014, 23:22

... implement the before or after advice (or both), implement your before/after logic, and route the call to the actual method at the appropriate time. To route the call, use the MetaMethod for the method ... the arguments for a method you’re lookin g for to these meth- ods. They don’t insist on an array of Class of the arguments like the get- Method( ) method i n Java...

Ngày tải lên: 12/08/2014, 23:22

... modify the class source, you can implement the methodMissing( ) method on the class for wh i ch you want to synthe- size meth ods. You can improve performance by injecting the method on the first ... now. UNIT TESTING JAVA AND GROOVY CODE 239 Car.class resides in the classes/com/agiledeveloper directory. Download UnitTestingWithGroovy/src/Car .java // Java code package com...

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... it: Download UnitTestingWithGroovy/TestUsingMockFor .groovy //def fileMock = new groovy. mock.interceptor.StubFor (java. io.FileWriter) def fileMock = new groovy. mock.interceptor.MockFor (java. io.FileWriter) You ... of stubs. Then we’ll take a look at the advantage mocks offer by using MockFor. Using StubFor Let’s use Groovy s StubFor to create stubs for the File class: Download U...

Ngày tải lên: 12/08/2014, 23:22

... friendly java. lang.Integer chirping dynamic behavior in Groovy, as you’ll learn later in this book. Programming Groovy Dynamic Productivity for the Java Developer Venkat Subrama niam The P ragmatic ... Is This Book For? This book is for developers working on the Java platform. It is better suited for programmers (and testers) who understand the Java lan- g...

Ngày tải lên: 12/08/2014, 23:22

... human-readable form of the bytecode): 58: ldc #71; //String hello 60 : getstatic #74; //Field class $java$ lang$Integer:Ljava/lang/Class; 63 : ifnonnull 78 66 : ldc # 76; //String java. lang.Integer 68 : invokestatic ... helping Elephant's helping SUPPOR T OF JAVA 5 LANGUAGE FEATURES 66 Let’s first start with Java code: Download GroovyForJavaEyes/Generics .java Line 1 //...

Ngày tải lên: 12/08/2014, 23:22

... expression you created before to print the quote for these companies as well. So, you iterate over the stocks map—within the closure you have the company as the key and the price as the value. However, ... 5, "moon" ) println text The output from the previous code is as follows: The cow jumped over the fence The cow jumped over the moon The GString (tex...

Ngày tải lên: 12/08/2014, 23:22

... observed the call to the getClass() method instead of access to the clas s property. Read further to see the reason for that little gotcha. 6. Instances of Map and a few other classes don’t return the ... This extension is called the Groovy JDK or the GDK. 1 The relationship between the JDK and the GDK is shown in Figure 8.1, on the following page. The GDK sits on...

Ngày tải lên: 12/08/2014, 23:22

... 51–55 Java 5 features and, 59 67 enum, 61 63 for- each, 60 varargs, 63 64 annotations, 64 autoboxing, 59 generics, 65 67 static import, 65 Java code and, 37 Java integration and, 14, 16 JavaBeans ... evaluation, 56f, 55– 56, 191 Builders FactoryBuilderSupport and, 272–2 76 custom, with metaprogramming, 265 – 268 support for, 268 –270 Swing applications and, 265 f, 264...

Ngày tải lên: 12/08/2014, 23:22