IJava/src/main/resources/ijava-display-init.jshell

io.github.spencerpark.jupyter.kernel.display.DisplayData render(Object o) {
    io.github.spencerpark.ijava.JavaKernel kernel = io.github.spencerpark.ijava.IJava.getKernelInstance();

    if (kernel != null) {
        return kernel.getRenderer().render(o);
    } else {
        throw new RuntimeException("No IJava kernel running");
    }
}

io.github.spencerpark.jupyter.kernel.display.DisplayData render(Object o, String... as) {
    io.github.spencerpark.ijava.JavaKernel kernel = io.github.spencerpark.ijava.IJava.getKernelInstance();

    if (kernel != null) {
        return kernel.getRenderer().renderAs(o, as);
    } else {
        throw new RuntimeException("No IJava kernel running");
    }
}

String display(Object o) {
    io.github.spencerpark.ijava.JavaKernel kernel = io.github.spencerpark.ijava.IJava.getKernelInstance();

    if (kernel != null) {
        io.github.spencerpark.jupyter.kernel.display.DisplayData data = kernel.getRenderer().render(o);

        String id = data.getDisplayId();
        if (id == null) {
            id = java.util.UUID.randomUUID().toString();
            data.setDisplayId(id);
        }

        kernel.display(data);

        return id;
    } else {
        throw new RuntimeException("No IJava kernel running");
    }
}

String display(Object o, String... as) {
    io.github.spencerpark.ijava.JavaKernel kernel = io.github.spencerpark.ijava.IJava.getKernelInstance();

    if (kernel != null) {
        io.github.spencerpark.jupyter.kernel.display.DisplayData data = kernel.getRenderer().renderAs(o, as);

        String id = data.getDisplayId();
        if (id == null) {
            id = java.util.UUID.randomUUID().toString();
            data.setDisplayId(id);
        }

        kernel.display(data);

        return id;
    } else {
        throw new RuntimeException("No IJava kernel running");
    }
}

void updateDisplay(String id, Object o) {
    io.github.spencerpark.ijava.JavaKernel kernel = io.github.spencerpark.ijava.IJava.getKernelInstance();

    if (kernel != null) {
        io.github.spencerpark.jupyter.kernel.display.DisplayData data = kernel.getRenderer().render(o);
        kernel.getIO().display.updateDisplay(id, data);
    } else {
        throw new RuntimeException("No IJava kernel running");
    }
}

void updateDisplay(String id, Object o, String... as) {
    io.github.spencerpark.ijava.JavaKernel kernel = io.github.spencerpark.ijava.IJava.getKernelInstance();

    if (kernel != null) {
        io.github.spencerpark.jupyter.kernel.display.DisplayData data = kernel.getRenderer().renderAs(o, as);
        kernel.getIO().display.updateDisplay(id, data);
    } else {
        throw new RuntimeException("No IJava kernel running");
    }
}