// Copyright 2009 Google Inc. All Rights Reserved.
package com.google.test.metric;
import com.google.classpath.ClassPath;
import com.google.classpath.ClassPathFactory;
import com.google.inject.AbstractModule;
import com.google.inject.BindingAnnotation;
import com.google.inject.TypeLiteral;
import com.google.inject.name.Names;
import com.google.test.metric.ReportGeneratorProvider.ReportFormat;
import com.google.test.metric.report.ReportOptions;
import org.kohsuke.args4j.CmdLineException;
import org.kohsuke.args4j.CmdLineParser;
import java.io.PrintStream;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.util.List;
/**
* @author alexeagle@google.com (Alex Eagle)
*/
public class ConfigModule extends AbstractModule {
@Retention(RUNTIME) @BindingAnnotation public @interface Error {}
@Retention(RUNTIME) @BindingAnnotation public @interface Output {}
private final String[] args;
private final PrintStream out;
private final PrintStream err;
public ConfigModule(String[] args, PrintStream out, PrintStream err) {
this.args = args;
this.out = out;
this.err = err;
}
@Override
protected void configure() {
// For printing errors to the caller
bind(PrintStream.class).annotatedWith(Output.class).toInstance(System.out);
bind(PrintStream.class).annotatedWith(Error.class).toInstance(System.err);
CommandLineConfig config = new CommandLineConfig(out, err);
CmdLineParser parser = new CmdLineParser(config);
// We actually do this work in configure, since we want to bind the parsed command line
// options at this time
try {
parser.parseArgument(args);
config.validate();
bind(ClassPath.class).toInstance(new ClassPathFactory().createFromPath(config.cp));
bind(ReportFormat.class).toInstance(config.format);
} catch (CmdLineException e) {
err.println(e.getMessage() + "\n");
parser.setUsageWidth(120);
parser.printUsage(err);
err.println("Exiting...");
}
bind(CommandLineConfig.class).toInstance(config);
bind(ReportOptions.class).toInstance(new ReportOptions(
config.cyclomaticMultiplier, config.globalMultiplier, config.constructorMultiplier,
config.maxExcellentCost, config.maxAcceptableCost, config.worstOffenderCount,
config.maxMethodCount, config.maxLineCount, config.printDepth, config.minCost,
config.srcFileLineUrl, config.srcFileUrl));
bindConstant().annotatedWith(Names.named("printDepth")).to(config.printDepth);
bind(new TypeLiteral<List<String>>() {}).toInstance(config.entryList);
//TODO: install the appropriate language-specific module
install(new JavaTestabilityModule(config));
}
}