src/android/LocalFilesystemURL.java

package org.apache.cordova.file;

import java.util.List;

import android.net.Uri;

public class LocalFilesystemURL {
	
	public static final String FILESYSTEM_PROTOCOL = "cdvfile";
	
	Uri URL;
	String filesystemName;
	String fullPath;

	public LocalFilesystemURL(Uri URL) {
		this.URL = URL;
		this.filesystemName = this.filesystemNameForLocalURL(URL);
		this.fullPath = this.fullPathForLocalURL(URL);
	}
	
	private String fullPathForLocalURL(Uri URL) {
		if (FILESYSTEM_PROTOCOL.equals(URL.getScheme()) && "localhost".equals(URL.getHost())) {
			String path = URL.getPath();
            if (URL.getQuery() != null) {
                path = path + "?" + URL.getQuery();
            }
			return path.substring(path.indexOf('/', 1));
		} else if ("content".equals(URL.getScheme())) {
			String path = '/' + URL.getHost() + URL.getPath();
			// Re-encode path component to handle Android 4.4+ Content URLs
			return Uri.encode(path,"/");
		}
		return null;
	}

	private String filesystemNameForLocalURL(Uri URL) {
		if (FILESYSTEM_PROTOCOL.equals(URL.getScheme()) && "localhost".equals(URL.getHost())) {
			List<String> pathComponents = URL.getPathSegments();
			if (pathComponents != null && pathComponents.size() > 0) {
				return pathComponents.get(0);
			}
			return null;
		} else if ("content".equals(URL.getScheme())) {
			return "content";
		}
		return null;
	}

	public LocalFilesystemURL(String strURL) {
		this(Uri.parse(strURL));
	}
	
    public String toString() {
        return "cdvfile://localhost/" + this.filesystemName + this.fullPath;
    }
}