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aQute.bnd.exporter.runbundles.RunbundlesExporter Maven / Gradle / Ivy

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package aQute.bnd.exporter.runbundles;

import java.io.File;
import java.util.AbstractMap.SimpleEntry;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;

import aQute.bnd.annotation.plugin.BndPlugin;
import aQute.bnd.build.Container;
import aQute.bnd.build.Project;
import aQute.bnd.osgi.FileResource;
import aQute.bnd.osgi.Jar;
import aQute.bnd.osgi.JarResource;
import aQute.bnd.osgi.Resource;
import aQute.bnd.service.export.Exporter;
import aQute.lib.strings.Strings;

@BndPlugin(name = "exporter.runbundles", hide = true)
public class RunbundlesExporter implements Exporter {

	public static final String	TARGET_DIR	= "targetDir";
	public static final String	TEMPLATE	= "template";
	public static final String	RUNBUNDLES	= "bnd.runbundles";

	public RunbundlesExporter() {}

	@Override
	public String[] getTypes() {
		return new String[] {
			RUNBUNDLES
		};
	}

	@Override
	public Entry export(String type, Project project, Map options) throws Exception {
		project.prepare();
		Collection runbundles = project.getRunbundles();
		String prefix = options.getOrDefault(TARGET_DIR, "");
		if (!prefix.isEmpty() && !prefix.endsWith("/")) {
			prefix = prefix.concat("/");
		}
		String template = options.get(TEMPLATE);

		Jar jar;
		if (template == null) {
			jar = new Jar(project.getName());
		} else {
			jar = new Jar(project.getName(), project.getFile(template));
		}
		jar.setDoNotTouchManifest();
		for (Container container : runbundles) {
			File source = container.getFile();
			String path = nonCollidingPath(jar, source.getName(), prefix);
			jar.putResource(path, new FileResource(source));
		}
		return new SimpleEntry<>(jar.getName(), new JarResource(jar, true));
	}

	private String nonCollidingPath(Jar jar, String fileName, String prefix) {
		String[] parts = Strings.extension(fileName);
		if (parts == null) {
			parts = new String[] {
				fileName, ""
			};
		}
		fileName = prefix.concat(fileName);
		int i = 1;
		while (jar.exists(fileName)) {
			fileName = String.format("%s%s[%d].%s", prefix, parts[0], i++, parts[1]);
		}
		return fileName;
	}
}




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