Java Code Examples for com.badlogic.gdx.files.FileHandle#length()

@Override
public void processPackage(PackProcessingNode node) throws Exception {
    PackModel pack = node.getPack();
    ProjectModel project = node.getProject();

    FileHandle packFileHandle = Gdx.files.absolute(pack.getOutputDir()).child(pack.getCanonicalFilename());
    FileHandle imagesDirFileHandle = Gdx.files.absolute(pack.getOutputDir());
    TextureAtlas.TextureAtlasData atlasData = new TextureAtlas.TextureAtlasData(
            packFileHandle,
            imagesDirFileHandle,
            false);

    long totalSize = 0; // Bytes
    totalSize += packFileHandle.length();
    for (TextureAtlas.TextureAtlasData.Page page : atlasData.getPages()) {
        long pageSize = page.textureFile.length();
        totalSize += pageSize;
    }
    node.addMetadata(PackProcessingNode.META_FILE_SIZE, totalSize);

    System.out.println("Total pack files size is " + totalSize + " bytes");
}
 

private static byte[] loadFile(FileHandle fileHandle) throws IOException {
    InputStream is = fileHandle.read();

    long length = fileHandle.length();
    if (length > Integer.MAX_VALUE) {
        throw new IOException("File size to large");
    }
    byte[] bytes = new byte[(int) length];

    int offset = 0;
    int numRead;
    while (offset < bytes.length
            && (numRead = is.read(bytes, offset, bytes.length - offset)) >= 0) {
        offset += numRead;
    }

    if (offset < bytes.length) {
        throw new IOException("Could not completely read file " + fileHandle.name());
    }

    is.close();
    return bytes;
}
 

public static D2S loadFromFile(FileHandle file) {
  ByteBuffer buffer = file.map().order(ByteOrder.LITTLE_ENDIAN);
  Header header = Header.obtain(buffer);
  if (DEBUG_HEADER) Gdx.app.debug(TAG, header.toString());
  if (header.magicNumber != MAGIC_NUMBER) throw new GdxRuntimeException("Magic number doesn't match " + String.format("0x%08X", MAGIC_NUMBER) + ": " + String.format("0x%08X", header.magicNumber));
  if (header.version != VERSION_110) throw new GdxRuntimeException("Unsupported D2S version: " + header.version + " -- Only supports " + header.getVersionString(VERSION_110));
  if (header.size != file.length()) Gdx.app.error(TAG, "Save file size doesn't match encoded size for character " + header.name + ". Should be: " + header.size);
  return new D2S(file, header);
}
 

private FileHandleMetadata (FileHandle file) {
	this.name = file.name();
	this.directory = file.isDirectory();
	this.lastModified = file.lastModified();
	this.length = file.length();
	this.readableFileSize = FileUtils.readableFileSize(length);
}
 

/** Creates a new generator from the given font file. Uses {@link FileHandle#length()} to determine the file size. If the file
 * length could not be determined (it was 0), an extra copy of the font bytes is performed. Throws a
 * {@link GdxRuntimeException} if loading did not succeed. */
public FreeTypeFontGenerator (FileHandle fontFile, int faceIndex) {
	name = fontFile.pathWithoutExtension();
	int fileSize = (int)fontFile.length();

	library = FreeType.initFreeType();
	if (library == null) throw new GdxRuntimeException("Couldn't initialize FreeType");

	ByteBuffer buffer = null;

	try {
		buffer = fontFile.map();
	} catch (GdxRuntimeException e) {
		// Silently error, certain platforms do not support file mapping.
	}

	if (buffer == null) {
		InputStream input = fontFile.read();
		try {
			if (fileSize == 0) {
				// Copy to a byte[] to get the file size, then copy to the buffer.
				byte[] data = StreamUtils.copyStreamToByteArray(input, 1024 * 16);
				buffer = BufferUtils.newUnsafeByteBuffer(data.length);
				BufferUtils.copy(data, 0, buffer, data.length);
			} else {
				// Trust the specified file size.
				buffer = BufferUtils.newUnsafeByteBuffer(fileSize);
				StreamUtils.copyStream(input, buffer);
			}
		} catch (IOException ex) {
			throw new GdxRuntimeException(ex);
		} finally {
			StreamUtils.closeQuietly(input);
		}
	}

	face = library.newMemoryFace(buffer, faceIndex);
	if (face == null) throw new GdxRuntimeException("Couldn't create face for font: " + fontFile);

	if (checkForBitmapFont()) return;
	setPixelSizes(0, 15);
}
 

@Override
public int compare (FileHandle f1, FileHandle f2) {
	long l1 = f1.length();
	long l2 = f2.length();
	return l1 > l2 ? -1 : (l1 == l2 ? FILE_NAME_COMPARATOR.compare(f1, f2) : 1);
}