scripts.gradle

import org.gradle.api.internal.plugins.*
import org.gradle.util.TextUtil

class StartScriptForProjectTemplateBindingFactory
		implements Transformer<Map<String, String>, JavaAppStartScriptGenerationDetails> {
	
	private boolean windows
	private StartScriptTemplateBindingFactory delegate
	
	StartScriptForProjectTemplateBindingFactory(boolean windows) {
		this.windows = windows
		delegate = windows ? StartScriptTemplateBindingFactory.windows() : StartScriptTemplateBindingFactory.unix()
	}
	
	Map<String, String> transform(JavaAppStartScriptGenerationDetails details) {
		Map<String, String> binding = delegate.transform(details)
		String cp = binding.get("classpath")
		if(windows)
			cp = cp.replace("%APP_HOME%\\", "")
		else
			cp = cp.replace("\$APP_HOME/", "")
		binding.put("classpath", cp)
		return binding
	}
}

class UnixStartScriptForProjectGenerator extends DefaultTemplateBasedStartScriptGenerator {
	UnixStartScriptForProjectGenerator() {
		super(TextUtil.getUnixLineSeparator(),
				new StartScriptForProjectTemplateBindingFactory(false),
				utf8ClassPathResource(UnixStartScriptGenerator.class, "unixStartScript.txt"))
	}
}

class WindowsStartScriptForProjectGenerator extends DefaultTemplateBasedStartScriptGenerator {
	WindowsStartScriptForProjectGenerator() {
		super(TextUtil.getWindowsLineSeparator(),
				new StartScriptForProjectTemplateBindingFactory(true),
				utf8ClassPathResource(WindowsStartScriptGenerator.class, "windowsStartScript.txt"))
	}
}

class CreateStartScriptsForProject extends CreateStartScripts {
	@TaskAction
	void generate() {
		StartScriptGenerator generator = new StartScriptGenerator(unixStartScriptGenerator, windowsStartScriptGenerator)
		generator.setApplicationName(getApplicationName())
		generator.setMainClassName(getMainClassName())
		generator.setDefaultJvmOpts(getDefaultJvmOpts())
		generator.setOptsEnvironmentVar(getOptsEnvironmentVar())
		generator.setExitEnvironmentVar(getExitEnvironmentVar())
		generator.setClasspath(getClasspath())
		generator.setScriptRelPath('build/' + getUnixScript().getName())
		generator.generateUnixScript(getUnixScript())
		generator.generateWindowsScript(getWindowsScript())
	}
}

task mavlc(type: CreateStartScriptsForProject, dependsOn: classes) {
	description = "Creates a start script for MAVL compiler driver"
	mainClassName = "mavlc.Driver"
	applicationName = "mavlc"
	outputDir = project.buildDir
	classpath = files([file('bin/'), sourceSets.main.output.classesDirs] + configurations.runtimeClasspath)
	unixStartScriptGenerator = new UnixStartScriptForProjectGenerator()
	windowsStartScriptGenerator = new WindowsStartScriptForProjectGenerator()
}

task mtam(type: CreateStartScriptsForProject, dependsOn: classes) {
	description = "Creates a start script for the MTAM interpreter"
	mainClassName = "mtam.interpreter.InteractiveInterpreter"
	applicationName = "mtam"
	outputDir = project.buildDir
	classpath = files([file('bin/'), sourceSets.main.output.classesDirs] + configurations.runtimeClasspath)
	unixStartScriptGenerator = new UnixStartScriptForProjectGenerator()
	windowsStartScriptGenerator = new WindowsStartScriptForProjectGenerator()
}

task createScripts {
	description = "Creates start scripts for the MAVL compiler driver and the MTAM interpreter"
	dependsOn 'mavlc'
	dependsOn 'mtam'
}