public JSONObject copyFileToURL()

in src/android/LocalFilesystem.java [330:374]
34 lines of code
12 McCabe index (conditional complexity)

	public JSONObject copyFileToURL(LocalFilesystemURL destURL, String newName,
			Filesystem srcFs, LocalFilesystemURL srcURL, boolean move) throws IOException, InvalidModificationException, JSONException, NoModificationAllowedException, FileExistsException {

		// Check to see if the destination directory exists
        String newParent = this.filesystemPathForURL(destURL);
        File destinationDir = new File(newParent);
        if (!destinationDir.exists()) {
            // The destination does not exist so we should fail.
            throw new FileNotFoundException("The source does not exist");
        }

        // Figure out where we should be copying to
        final LocalFilesystemURL destinationURL = makeDestinationURL(newName, srcURL, destURL, srcURL.isDirectory);

        Uri dstNativeUri = toNativeUri(destinationURL);
        Uri srcNativeUri = srcFs.toNativeUri(srcURL);
        // Check to see if source and destination are the same file
        if (dstNativeUri.equals(srcNativeUri)) {
            throw new InvalidModificationException("Can't copy onto itself");
        }

        if (move && !srcFs.canRemoveFileAtLocalURL(srcURL)) {
            throw new InvalidModificationException("Source URL is read-only (cannot move)");
        }

        File destFile = new File(dstNativeUri.getPath());
        if (destFile.exists()) {
            if (!srcURL.isDirectory && destFile.isDirectory()) {
                throw new InvalidModificationException("Can't copy/move a file to an existing directory");
            } else if (srcURL.isDirectory && destFile.isFile()) {
                throw new InvalidModificationException("Can't copy/move a directory to an existing file");
            }
        }

        if (srcURL.isDirectory) {
            // E.g. Copy /sdcard/myDir to /sdcard/myDir/backup
            if (dstNativeUri.toString().startsWith(srcNativeUri.toString() + '/')) {
                throw new InvalidModificationException("Can't copy directory into itself");
            }
            copyDirectory(srcFs, srcURL, destFile, move);
        } else {
            copyFile(srcFs, srcURL, destFile, move);
        }
        return makeEntryForURL(destinationURL);
	}