import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.OutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;

public class ProspacePrinter implements ProspaceHandler<IOException> {
	
	private final BufferedWriter out;
	
	public ProspacePrinter(BufferedWriter out) {
		this.out = out;
	}
	
	public ProspacePrinter(OutputStream out, String charset) throws UnsupportedEncodingException {
		this(new BufferedWriter(new OutputStreamWriter(out, charset)));
	}
	
	public void start() throws IOException {
		out.write("PROSPACE SCHEMATIC FILE");
		out.newLine();
	}
	
	public void header(String text) throws IOException {
		out.write("; ");
		out.write(text);
		out.newLine();
	}
	
	public void paragraph(String[] metadata, String[] data) throws IOException {
		line(metadata);
		line(data);
	}
	
	private void line(String[] values) throws IOException {
		for (int i = 0; i < values.length; ++i) {
			if (i > 0) out.write(',');
			out.write(values[i]);
		}
		out.newLine();
	}
	
	public void end() throws IOException {
		out.close();
	}
	
}