Method call

src/main/java/me/coley/recaf/command/impl/Remap.java:49–91

@return n/a @throws Exception IllegalStateException, Invalid map file given

()

	 * 		<ul><li>IllegalStateException, Invalid map file given</li></ul>
	 */
	@Override
	public Void call() throws Exception {
		if(mapFile == null || !Files.exists(mapFile))
			throw new IllegalStateException("No mapping file provided!");
		// Apply
		Mappings mappings = mapper.create(mapFile, getWorkspace());
		mappings.setClearDebugInfo(noDebug);
		mappings.setCheckFieldHierarchy(lookup);
		mappings.setCheckMethodHierarchy(lookup);

		JavaResource primary = getWorkspace().getPrimary();
		Map<String, byte[]> mapped = mappings.accept(primary);

		byte[] manifestBytes = primary.getFiles().get("META-INF/MANIFEST.MF");
		if (manifestBytes != null) {
			Manifest manifest = new Manifest(new ByteArrayInputStream(manifestBytes));
			Attributes attr = manifest.getMainAttributes();
			if (!attr.isEmpty()) {
				String mainClass = attr.getValue("Main-Class").replaceAll("\\.", "/");
				if (mapped.containsKey(mainClass)) {
					String mappedName = new ClassReader(mapped.get(mainClass))
							.getClassName().replaceAll("/", "\\.");
					debug("Remapping Main-Class attribute in MANIFEST.MF from '{}' to '{}'", mainClass, mappedName);
					attr.putValue("Main-Class", mappedName);
					ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
					manifest.write(outputStream);
					primary.getFiles().put("META-INF/MANIFEST.MF", outputStream.toByteArray());
					outputStream.close();
				}
			}
		}

		// Log
		StringBuilder sb = new StringBuilder("Classes updated: " + mapped.size());
		mapped.forEach((old, value) -> {
			ClassReader reader = new ClassReader(value);
			String rename = reader.getClassName();
			if (!old.equals(rename))
				sb.append("\n - ").append(old).append(" => ").append(rename);
		});
		info(sb.toString());
		return null;
	}
}