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package aQute.lib.json;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.io.CharArrayWriter;
import java.io.Closeable;
import java.io.File;
import java.io.Flushable;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.lang.reflect.Type;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.IdentityHashMap;
import java.util.Map;
import java.util.zip.DeflaterOutputStream;
import aQute.lib.io.IO;
public class Encoder implements Appendable, Closeable, Flushable {
final JSONCodec codec;
Appendable app;
MessageDigest digest;
boolean writeDefaults;
Charset encoding = UTF_8;
boolean deflate;
String tabs = null;
String indent = "";
String linebreak = null;
boolean keepOpen = false;
boolean closed = false;
Encoder(JSONCodec codec) {
this.codec = codec;
}
public Encoder put(Object object) throws Exception {
if (app == null)
to();
codec.encode(this, object, null, new IdentityHashMap<>());
flush();
if (!keepOpen)
close();
return this;
}
public Encoder mark() throws NoSuchAlgorithmException {
if (digest == null)
digest = MessageDigest.getInstance("SHA-1");
digest.reset();
return this;
}
public byte[] digest() throws NoSuchAlgorithmException, IOException {
if (digest == null)
return null;
append('\n');
return digest.digest();
}
public Encoder to() throws IOException {
return to(new CharArrayWriter());
}
public Encoder to(File file) throws IOException {
return to(IO.outputStream(file));
}
public Encoder charset(String encoding) {
return charset(Charset.forName(encoding));
}
public Encoder charset(Charset encoding) {
this.encoding = encoding;
return this;
}
public Encoder to(OutputStream out) throws IOException {
if (deflate)
out = new DeflaterOutputStream(out);
return to(new OutputStreamWriter(out, encoding));
}
public Encoder to(Appendable out) throws IOException {
app = out;
return this;
}
@Override
public Appendable append(char c) throws IOException {
if (digest != null) {
digest.update((byte) (c / 256));
digest.update((byte) (c % 256));
}
app.append(c);
return this;
}
@Override
public Appendable append(CharSequence sq) throws IOException {
return append(sq, 0, sq.length());
}
@Override
public Appendable append(CharSequence sq, int start, int length) throws IOException {
if (digest != null) {
for (int i = start; i < length; i++) {
char c = sq.charAt(i);
digest.update((byte) (c / 256));
digest.update((byte) (c % 256));
}
}
app.append(sq, start, length);
return this;
}
@Override
public String toString() {
return app.toString();
}
@Override
public void close() throws IOException {
if (app != null && app instanceof Closeable closeable) {
closeable.close();
closed = true;
}
}
void encode(Object object, Type type, Map
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