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package aQute.bnd.plugin.eclipse;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import aQute.bnd.annotation.plugin.BndPlugin;
import aQute.bnd.build.Project;
import aQute.bnd.build.Workspace;
import aQute.bnd.service.lifecycle.LifeCyclePlugin;
import aQute.lib.io.IO;

/**
 * This plugin creates a build.xml file in the project when a project gets
 * created. You can either store a template under cnf/ant/project.xml or a
 * default is taken.
 */
@BndPlugin(name = "eclipse", hide = true)
public class EclipsePlugin extends LifeCyclePlugin {
	@Override
	public void created(Project p) throws IOException {
		copy("project", ".project", p);
		copy("classpath", ".classpath", p);
	}

	private void copy(String source, String dest, Project p) throws IOException {
		File d = p.getFile(dest);
		if (d.isFile()) {
			return;
		}

		File f = p.getWorkspace()
			.getFile("eclipse/" + source + ".tmpl");
		String s;
		if (f.isFile()) {
			s = IO.collect(f);
		} else {
			InputStream in = EclipsePlugin.class.getResourceAsStream(source);
			if (in == null) {
				p.error("Cannot find Eclipse default for %s", source);
				return;
			}
			s = IO.collect(in);
		}

		String process = p.getReplacer()
			.process(s);

		IO.mkdirs(d.getParentFile());
		IO.store(process, d);
	}

	@Override
	public String toString() {
		return "EclipsePlugin";
	}

	@Override
	public void init(Workspace ws) throws Exception {

		try (Project p = new Project(ws, ws.getFile("cnf"))) {
			created(p);
		}

		for (Project pp : ws.getAllProjects()) {
			created(pp);
		}
	}

}