| Groovy |
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Groovy is an agile, dynamic programming language that compiles source files directly to java bytecode. Groovy has a syntax similar to Java and includes features found in Python, Ruby, and Smalltalk.
See also:
| Installing Groovy |
Install the groovy*.jar and asm*.jar files from the Groovy distribution in the directory $RESIN_HOME/lib/groovy/:
$RESIN_HOME/lib/groovy/groovy-1.0-beta-4.jar $RESIN_HOME/lib/groovy/asm-1.4.1.jar $RESIN_HOME/lib/groovy/asm-attrs-1.4.1.jar $RESIN_HOME/lib/groovy/asm-util-1.4.1.jar |
The Groovy compiler groovyc compiles *.groovy files directly to *.class files. With Resin classloader configuration .groovy files are automatically compiled the same as .java files are:
<web-app-default>
<class-loader>
<compiling-loader path="WEB-INF/classes"
compiler="groovyc"
source-extension=".groovy"/>
</class-loader>
</web-app-default>
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<web-app>
<class-loader>
<compiling-loader path="WEB-INF/classes"
compiler="groovyc"
source-extension=".groovy"/>
</class-loader>
</web-app>
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| A Groovy Servlet |
Since Groovy compiles to Java .class files, application can write servlets using groovy.
package example;
import javax.servlet.GenericServlet;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class MyServlet extends GenericServlet {
public void service(ServletRequest req, ServletResponse res)
{
out = res.getWriter();
out.println("Hello, world");
}
}
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