package de.saumya.mojo.gem;
import java.io.File;
import java.io.IOException;
import org.apache.maven.plugin.MojoExecutionException;
import de.saumya.mojo.ruby.script.Script;
import de.saumya.mojo.ruby.script.ScriptException;
/**
* executes a ruby script in context of the gems from pom. the arguments for
* jruby are build like this:
* <code>${jruby.args} ${exec.file} ${exec.args} ${args}</code> <br/>
* to execute an inline script the exec parameters are ignored.
*
* @goal exec
* @phase initialize
* @requiresDependencyResolution test
*/
public class ExecMojo extends AbstractGemMojo {
/**
* ruby code from the pom configuration part which gets executed.
* <br/>
* Command line -Dexec.script=...
*
* @parameter expression="${exec.script}"
*/
protected String script = null;
/**
* ruby file which gets executed in context of the given gems..
* <br/>
* Command line -Dexec.file=...
*
* @parameter expression="${exec.file}"
*/
protected File file = null;
/**
* ruby file found on search path which gets executed. the search path
* includes the executable scripts which were installed via the given
* gem-artifacts.
* <br/>
* Command line -Dexec.filename=...
*
* @parameter expression="${exec.filename}"
*/
protected String filename = null;
/**
* output file where the standard out will be written
* <br/>
* Command line -Dexec.outputFile=...
*
* @parameter expression="${exec.outputFile}"
*/
protected File outputFile = null;
/**
* arguments separated by whitespaces for the ruby script given through file parameter.
* no quoting or escaping possible - if needed use execArglines instead.
* <br/>
* Command line -Dexec.args=...
*
* @parameter expression="${exec.args}"
*/
protected String execArgs = null;
/**
* an array of arguments which can contain spaces for the ruby script given through file parameter.
*
* @parameter
*/
protected String[] execArgLines = null;
@Override
protected void executeWithGems() throws MojoExecutionException,
ScriptException, IOException {
Script s;
if (this.script != null && this.script.length() > 0) {
s = this.factory.newScript(this.script);
}
else if (this.file != null) {
s = this.factory.newScript(this.file);
}
else if (this.filename != null) {
s = this.factory.newScriptFromSearchPath( this.filename );
}
else {
s = this.factory.newArguments();
}
if ( execArgLines != null ){
for( String arg: execArgLines ){
s.addArg( arg );
}
}
s.addArgs(this.execArgs);
s.addArgs(this.args);
if (s.isValid()) {
if(outputFile != null){
s.executeIn(launchDirectory(), outputFile);
}
else {
s.executeIn(launchDirectory());
}
}
else {
getLog().warn("no arguments given. use -Dexec.script=... or -Dexec.file=...");
}
}
}