Programming Groovy dynamic productivity for the java developer phần 10 pptx
Programming Groovy dynamic productivity for the java developer phần 10 pptx
... 110
benefits of, 110
coroutines and, 101 102 , 103 f
curried, 104 f, 102 104
delegation, 108 f, 107 109
DSLs and, 282–283
dynamic, 105 107
Groovy way, 94–95
importance of, 92
without parameters, 107 , ... 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 t...
Programming Groovy dynamic productivity for the java developer phần 1 docx
... 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...
Programming Groovy dynamic productivity for the java developer phần 2 potx
... 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...
Programming Groovy dynamic productivity for the java developer phần 3 ppsx
... Injection
and Synthesis, on page 202. Between the time the code is compiled and
before it is executed, you have the ability to inject missing methods
dynamically.
19. Defining an int in Groovy, for example, ... applicable for argument types: () values: {}
How’s that? The iterator (for loop) tr eat ed the elements as objects, so
there was no error on line number 16 Groovy took...
Programming Groovy dynamic productivity for the java developer phần 4 doc
... 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, ... code (the code within
{}) is passed for the parameter block, like the value 10 for the variable
n. In Groovy, you can pass as many closures as you want. So, t...
Programming Groovy dynamic productivity for the java developer phần 5 docx
... is, split the
collection into individual objects using the * operator (the spread oper-
ator), as shown next. For th i s to work correctly, the size of the ArrayList
must be the same as the number ... like C++ and
Java. These are iterators that allow the user or client of the iter-
ator to control the iteration. You have to check whether you’re
at the end and explicitl...
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 between t...
Programming Groovy dynamic productivity for the java developer phần 7 pot
... null)
}
printInfo(
'hello'
)
Here’s the output from the previous code:
[104 , 101 , 108 , 108 , 111]
[104 , 101 , 108 , 108 , 111]
HELLO
HELLO
To invoke a property dynamically, you can use the index operator [ ]
or use the dot ... implement
the before or after advice (or both), implement your before/after logic,
and route the call to the actual method at the...
Programming Groovy dynamic productivity for the java developer phần 8 potx
... 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...
Programming Groovy dynamic productivity for the java developer phần 9 potx
... 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...
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