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import com.xagasoft.gats.*;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
/**
* This simple example class shows several ways of constructing a Gats object
* hierarchy and also how to write and read Gats packets to and from streams.
*/
class FileExample
{
public static void writeFile()
{
System.out.println();
System.out.println("Creating a new gats object tree...");
GatsDictionary root = new GatsDictionary();
// Automatically determine the type of Gats object and insert it
// for you
root.put("String", "This is a string");
root.put("Integer", 445 );
root.put("Float", 44.5 );
root.put("Boolean", true );
// Ensure the correct type and insert it yourself
root.put("ExplicitFloat", new GatsFloat( 44 ) );
GatsList lst = new GatsList();
lst.add( new GatsString("Hello") );
lst.add( new GatsInteger( 314159 ) );
lst.add( new GatsFloat( 3.14159 ) );
root.put("List", lst );
GatsDictionary subDict = new GatsDictionary();
subDict.put("name", "Bob");
root.put("Dictionary", subDict );
try
{
System.out.println("Writing tree to file: test.gats");
FileOutputStream fos = new FileOutputStream("test.gats");
GatsOutputStream gos = new GatsOutputStream( fos );
int iBytes = gos.writeObject( root );
System.out.println("Wrote " + iBytes + " total bytes.");
}
catch( FileNotFoundException e )
{
System.out.println("Error opening file.");
}
catch( IOException e )
{
System.out.println("Error writing data.");
}
}
public static void readFile()
{
System.out.println();
try
{
System.out.println("Reading in gats file: test.gats");
FileInputStream fis = new FileInputStream("test.gats");
GatsInputStream gis = new GatsInputStream( fis );
GatsObject obj = gis.readObject();
System.out.println("Full object: " + obj );
GatsDictionary root = (GatsDictionary)obj;
System.out.println("An integer: " + root.getInt("Integer") );
// This is a little akward since getString returns a byte array,
// so if you want to use the data as a java string you have to build
// the string object yourself.
System.out.println("Sub string: " + new String(
root.getDict("Dictionary").getString("name") ) );
root.get("aoeu");
root.getDict("aoeu");
root.getList("aoeu");
root.getInt("aoeu");
root.getFloat("aoeu");
root.getBool("aoeu");
root.getString("aoeu");
}
catch( FileNotFoundException e )
{
System.out.println("Error opening file.");
}
catch( IOException e )
{
System.out.println("Error reading data.");
}
catch( KeyNotFoundException e )
{
System.out.println("Key not found.");
}
}
public static void main( String args[] )
{
System.out.println("GATS file example.");
writeFile();
readFile();
}
}
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