org.afplib.io.AfpOutputStream Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of afplib Show documentation

Java object library able to read and write AFP (Advanced Function Presentation) files.

There is a newer version: 0.0.15

package org.afplib.io;

import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.afplib.Data;
import org.afplib.base.SF;

public class AfpOutputStream extends FilterOutputStream {

	StructuredFieldFactory factory = new StructuredFieldFactory();
	byte[] buffer = new byte[32768];
	int index;

	public AfpOutputStream(OutputStream out) {
		super(out);
	}

	public void writeStructuredField(SF sf) throws IOException {
		int length = factory.binary(buffer, 0, sf);
		
		buffer[0] = (byte) 0x5a;
		byte[] bLength = Data.toUnsignedShort(length - 1);
		buffer[1] = bLength[0];
		buffer[2] = bLength[1];
		byte[] bId = Data.toUnsignedMedium(sf.getId());
		buffer[3] = bId[0];
		buffer[4] = bId[1];
		buffer[5] = bId[2];
		buffer[6] = (byte) 0x0; // flags
		byte[] bIndex = Data.toUnsignedShort(index++);
		buffer[7] = bIndex[0]; // reserved
		buffer[8] = bIndex[1]; // reserved
		
		write(buffer, 0, length);
	}
}