org.fxmisc.richtext.model.Codec Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of richtextfx Show documentation
Show all versions of richtextfx Show documentation
Rich-text area for JavaFX
The newest version!
package org.fxmisc.richtext.model;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import javafx.scene.paint.Color;
import org.reactfx.util.Either;
/**
* Specifies a way to serialize an object to/from a data stream
*
* @param the type of object to serialize
*/
public interface Codec {
String getName();
void encode(DataOutputStream os, T t) throws IOException;
T decode(DataInputStream is) throws IOException;
static final Codec STRING_CODEC = new Codec() {
@Override
public String getName() {
return "string";
}
@Override
public void encode(DataOutputStream os, String s) throws IOException {
os.writeUTF(s);
}
@Override
public String decode(DataInputStream is) throws IOException {
return is.readUTF();
}
};
static final Codec COLOR_CODEC = new Codec() {
@Override
public String getName() {
return "color";
}
@Override
public void encode(DataOutputStream os, Color c)
throws IOException {
os.writeDouble(c.getRed());
os.writeDouble(c.getGreen());
os.writeDouble(c.getBlue());
os.writeDouble(c.getOpacity());
}
@Override
public Color decode(DataInputStream is) throws IOException {
return Color.color(
is.readDouble(),
is.readDouble(),
is.readDouble(),
is.readDouble());
}
};
static Codec> styledSegmentCodec(Codec segCodec, Codec styleCodec) {
return new Codec>() {
@Override
public String getName() {
return "styled-segment<" + segCodec.getName() + ", " + styleCodec.getName() + ">";
}
@Override
public void encode(DataOutputStream os, StyledSegment styledSegment) throws IOException {
segCodec.encode(os, styledSegment.getSegment());
styleCodec.encode(os, styledSegment.getStyle());
}
@Override
public StyledSegment decode(DataInputStream is) throws IOException {
SEG seg = segCodec.decode(is);
S style = styleCodec.decode(is);
return new StyledSegment<>(seg, style);
}
};
}
public static Codec> styledTextCodec(Codec styleCodec) {
return new Codec>() {
@Override
public String getName() {
return "styled-text";
}
@Override
public void encode(DataOutputStream os, StyledSegment styledSeg) throws IOException {
Codec.STRING_CODEC.encode(os, styledSeg.getSegment());
styleCodec.encode(os, styledSeg.getStyle());
}
@Override
public StyledSegment decode(DataInputStream is) throws IOException {
String text = Codec.STRING_CODEC.decode(is);
S style = styleCodec.decode(is);
return new StyledSegment<>(text, style);
}
};
}
static Codec> listCodec(Codec elemCodec) {
return SuperCodec.collectionListCodec(elemCodec);
}
static Codec> collectionCodec(Codec elemCodec) {
return SuperCodec.upCast(SuperCodec.collectionListCodec(elemCodec));
}
static Codec> optionalCodec(Codec elemCodec) {
return new Codec>() {
@Override
public String getName() {
return "optional<" + elemCodec.getName() + ">";
}
@Override
public void encode(DataOutputStream os, Optional ot) throws IOException {
if(ot.isPresent()) {
os.writeBoolean(true);
elemCodec.encode(os, ot.get());
} else {
os.writeBoolean(false);
}
}
@Override
public Optional decode(DataInputStream is) throws IOException {
return is.readBoolean()
? Optional.of(elemCodec.decode(is))
: Optional.empty();
}
};
}
static > Codec enumCodec(Class enumType) {
return new Codec() {
@Override
public String getName() {
return enumType.getSimpleName();
}
@Override
public void encode(DataOutputStream os, E e) throws IOException {
os.writeInt(e.ordinal());
}
@Override
public E decode(DataInputStream is) throws IOException {
int ord = is.readInt();
return enumType.getEnumConstants()[ord];
}
};
}
static Codec> eitherCodec(Codec lCodec, Codec rCodec) {
return new Codec>() {
@Override
public String getName() {
return "either<" + lCodec.getName() + ", " + rCodec.getName() + ">";
}
@Override
public void encode(DataOutputStream os, Either e) throws IOException {
if(e.isLeft()) {
os.writeBoolean(false);
lCodec.encode(os, e.getLeft());
} else {
os.writeBoolean(true);
rCodec.encode(os, e.getRight());
}
}
@Override
public Either decode(DataInputStream is) throws IOException {
boolean isRight = is.readBoolean();
return isRight
? Either.right(rCodec.decode(is))
: Either.left (lCodec.decode(is));
}
};
}
}