<project name="grails-eclipse">

    <taskdef name="groovy"  classname="org.codehaus.groovy.ant.Groovy" classpathref="classpath" />
	
	<target name="eclipse-classpath" description="Regenerates Eclipse project class path.">
		<groovy>
			
			import org.apache.tools.ant.Project
			
			def binOutput = "target/eclipse/bin-output"
			def testOutput = "target/eclipse/test-output"
			generateOutputDir(project, binOutput)
			generateOutputDir(project, testOutput)
			
			def sw = new FileWriter(".classpath")
			def pw = new PrintWriter(sw)
			def mkp = new groovy.xml.MarkupBuilder(pw)
			
			pw.println('&lt;?xml version="1.0" encoding="UTF-8"?&gt;')
			def added = new HashSet()
			
			mkp.doubleQuotes = true
			mkp.classpath {
			
				classpathentry(kind:"src", path: "src/commons")
				classpathentry(kind:"src", path: "src/config")
				classpathentry(kind:"src", path: "src/tiger")
				classpathentry(kind:"src", path: "src/web")
				classpathentry(kind:"src", path: "src/persistence")
				classpathentry(kind:"src", path: "src/scaffolding")
				classpathentry(kind:"src", path: "test/groovy", output: testOutput)
				classpathentry(kind:"src", path: "test/commons", output: testOutput)
				classpathentry(kind:"src", path: "test/web", output: testOutput)
				classpathentry(kind:"src", path: "test/persistence", output: testOutput)
				classpathentry(kind:"src", path: "test/scaffolding", output: testOutput)
			    classpathentry(kind:"output", path: binOutput)
			
				classpathentry(kind:"lib", path: "lib/hibernate3.jar", sourcepath: "/HIBERNATE_HOME/src")
				added.add("hibernate3.jar")
				classpathentry(kind:"lib", path: "lib/spring-2.0.2.jar", sourcepath: "/SPRING_HOME/src")
				added.add("spring-2.0.2.jar")
				classpathentry(kind:"lib", path: "lib/spring-mock-2.0.2.jar", sourcepath: "/SPRING_HOME/mock")
				added.add("spring-mock-2.0.2.jar")
			
				new File('lib').eachFile { f -> 
					if (!(f.directory || added.contains(f.name)))
					{
						classpathentry(kind: "lib", path: "lib/" + f.name)
					} 
				}			
			
				classpathentry(kind:"lib", path: "ant/lib/ant.jar")
			    classpathentry(kind:"con", path: "org.eclipse.jdt.launching.JRE_CONTAINER")
			
				if (project.properties["plugin.disabled"])
				{
					project.log("Eclipse plugin disabled. Adding Groovy compile targets to classpath", Project.MSG_WARN)
			
					//plugin is disabled, which means you need to build
					//groovy using the ant scripts. 
					//This adds the ant scripts to the classpath
					classpathentry(kind:"lib", path: "target/classes/core")
					classpathentry(kind:"lib", path: "target/classes/crud")
					classpathentry(kind:"lib", path: "target/classes/gorm")
					classpathentry(kind:"lib", path: "target/classes/web")
					classpathentry(kind:"lib", path: "target/classes/config")
				}
			
			}
			
			void generateOutputDir(project, dirName)
			{
				def output = new File(dirName)
				if (!output.exists())
				{
					output.mkdirs()
					project.log("Generating Eclipse output folder " + output.path, Project.MSG_INFO)
				}
			}
	
		</groovy>
    </target>

</project>