Programming Groovy dynamic productivity for the java developer phần 7 pot

... 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

... 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 Groovy checks whether the ... familiar Java code, isn’t it? The output from the previous code is as follows: Year: 2008 Miles: 0 Setting miles Miles: 25 Let’s rewrite the code in Groovy: Download Gro...

Ngày tải lên: 12/08/2014, 23:22

... 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 between t...

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 ... more performant. To reap the benefit of the platform and to tackle the inher- ent complexities of your applications, you need another tool—one with a dynamic and m...

Ngày tải lên: 12/08/2014, 23:22

... //Method class$:(Ljava/lang/String;)L 71 : dup 72 : putstatic #74 ; //Field class $java$ lang$Integer:Ljava/lang/Class; 75 : goto 81 78 : getstatic #74 ; //Field class $java$ lang$Integer:Ljava/lang/Class; 81: ... 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 ;...

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

... 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 top of the JDK, so wh en you pass ... value for the right operand. The output from the previous code is as follows: [ "Be" , " ;Groovy& quot; ] Use the reverse( ) method if you want to get a...

Ngày tải lên: 12/08/2014, 23:22

... 224–2 27 defined, 172 Groovy, 174 Groovy, using from J ava, 175 inner, 72 integration and, 182 in Java and Groovy, 172 , 173 f Java, using from Groovy, 176 open, 202 overriding, 244 running Groovy ... on the bleeding edge. Groovy API Javadoc http:/ /groovy. codehaus.org/api Javadoc for the Groovy API. The GDK http:/ /groovy. codehaus.org /groovy- jdk List of the m...

Ngày tải lên: 12/08/2014, 23:22