aQute.lib.json.FileHandler Maven / Gradle / Ivy
package aQute.lib.json;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.StringReader;
import java.lang.reflect.Type;
import java.util.Map;
import aQute.lib.base64.Base64;
import aQute.lib.io.IO;
public class FileHandler extends Handler {
@Override
public void encode(Encoder app, Object object, Map visited) throws IOException, Exception {
File f = (File) object;
if (!f.isFile())
throw new RuntimeException("Encoding a file requires the file to exist and to be a normal file " + f);
try (InputStream in = IO.stream(f)) {
app.append('"');
Base64.encode(in, app);
app.append('"');
}
}
@Override
public Object decode(Decoder dec, String s) throws Exception {
File tmp = File.createTempFile("json", ".bin");
try (OutputStream fout = IO.outputStream(tmp)) {
Base64.decode(new StringReader(s), fout);
}
return tmp;
}
}