Google Guice – Environment Setup

Google Guice – Environment Setup

Let us look into setting up the environment for Guice, before
proceeding into its functionalities.

Local Environment Setup

This section guides you on how to download and set up Java
environment on your machine. Please follow the steps mentioned
below to set up the environment.
Java SE is freely available from the link . Download a version
based on your operating system. Then, follow the instructions to
download Java and run the .exe file to install Java on your
machine. Once you installed Java, you would need to set
environment variables to point to correct installation
directories.

Setting up the Path for Windows 2000/XP

We are assuming that you have installed Java in c:Program
Filesjavajdk
 directory −
  • Right-click on ‘My Computer’ and select ‘Properties’.
  • Click on the ‘Environment variables’ button under the
    ‘Advanced’ tab.
  • Now, alter the ‘Path’ variable so that it also contains the
    path to the Java executable. Example, if the path is
    currently set to ‘C:WINDOWSSYSTEM32’, then change
    your path to read ‘C:WINDOWSSYSTEM32;c:Program
    Filesjavajdkbin’
    .

Setting up the Path for Windows 95/98/ME

In case, you have installed Java in c:Program
Filesjavajdkdirectory
, edit the ‘C:autoexec.bat’
file and add the following line at the end: ‘SET
PATH=%PATH%;C:Program Filesjavajdkbin’
.

Setting up the Path for Linux, UNIX, Solaris, FreeBSD

Environment variable PATH should be set to point to where the
Java binaries have been installed. You may refer to your shell
documentation for more information.
For example, if you use bash as your shell, then you would
add the following line to the end: ‘.bashrc: export
PATH=/path/to/java:$PATH’

Popular Java Editors

To write your Java programs, you need a text editor. There are
many sophisticated IDEs available in the market. But for now, you
can consider one of the following −
  • Notepad − On Windows machine you can use any simple
    text editor like Notepad (Recommended for this tutorial),
    TextPad.
  • Netbeans − It is a Java IDE that is open-source and
    free which can be downloaded from .
  • Eclipse − It is also a Java IDE developed by the
    eclipse open-source community and can be downloaded from .

Google Guice Environment

Download the latest version of Google Guice and related jar
files.
At the time of writing this tutorial, we have copied them into
C:>Google folder.
OSARCHIVE NAME
Windowsguice-4.1.0.jar;aopalliance-1.0.jar;guava-16.0.1.jar;javax.inject-1.jar
Linuxguice-4.1.0.jar;aopalliance-1.0.jar;guava-16.0.1.jar;javax.inject-1.jar
Macguice-4.1.0.jar;aopalliance-1.0.jar;guava-16.0.1.jar;javax.inject-1.jar

Set CLASSPATH Variable

Set the CLASSPATH environment variable to point to the
Guice jar location. Assuming, you have stored Guice and related
jars in Google folder on various Operating Systems as follows.
OSOUTPUT
WindowsSet the environment variable CLASSPATH to
%CLASSPATH%;C:Googleguice-4.1.0.jar;C:Googleaopalliance-1.0.jar;C:Googleguava-16.0.1.jar;C:Googlejavax.inject-1.jar;.;
Linuxexport
CLASSPATH=$CLASSPATH:Google/guice-4.1.0.jar:Google/aopalliance-1.0.jar:Google/guava-16.0.1.jar:Google/javax.inject-1.jar:.
Macexport
CLASSPATH=$CLASSPATH:Google/guice-4.1.0.jar:Google/aopalliance-1.0.jar:Google/guava-16.0.1.jar:Google/javax.inject-1.jar:.

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