Tech Tips
edited by George Frazier
Listing One
Listing Two
import java.io.*;
import java.net.*;
import java.util.*;
public class AutoPrint{
public static void main(String arg[]){
// params for calling printHtml.bat
String args[] = new String[3];
args[0] = new String("c:\\autoprint\\printHtml.bat");
args[1] = new String("c:\\autoprint\\testpage.html");
args[2] = new String("\\\\printer_server\\a_printer");
String testSite = "http://www.google.com";
// the main loop
while (true) {
// retrieve the web page
StringBuffer sb = new StringBuffer(100000);
try {
URL url = new URL(testSite);
InputStream in = url.openStream();
in = new BufferedInputStream(in);
Reader reader = new InputStreamReader(in);
int c;
while ((c = reader.read()) != -1){
sb.append((char)c);
}
in.close();
} catch (MalformedURLException e) {
System.err.println("Malformed: " + e);
} catch (IOException e) {
System.err.println("I/O Exception: " + e);
}
// save to a file
File file = new File(args[1]);
try{
FileWriter fw = new FileWriter(file);
fw.write(sb.toString());
fw.close();
} catch (Exception e){
System.out.println(e.toString());
}
// is the file readable?
if (!file.canRead()){
System.out.println("Cannot read the file.");
return;
}
// call printHtml.bat
Process p = null;
try {
p = Runtime.getRuntime().exec(args);
} catch (Exception e) {
System.out.println(e.toString());
}
// wait for printHtml.bat to finish
try {
p.waitFor();
} catch (InterruptedException e) {
// need to do nothing.
}
// make a log
Date date = new Date();
System.out.println(date.toString() + " printHtml.bat called.");
// be ready for next iteration
try {
Thread.sleep(600000);
if(!file.delete()) {
System.out.println("Cannot delete the file.");
return;
}
} catch (Exception e) {
System.out.println(e.toString());
}
}
}
}
Listing Three
@ECHO OFF
SETLOCAL
SET File="%1"
SET Printer="%2"
IF NOT DEFINED File GOTO End
IF NOT DEFINED Printer GOTO End
:: Create a temporary Kix file to "press" Print button
> %TEMP%.\%~n0.kix ECHO.; Wait a few seconds for the Print dialog to appear
>>%TEMP%.\%~n0.kix ECHO SLEEP 2
>>%TEMP%.\%~n0.kix ECHO.; Press "Print" (Enter) using SendKeys function
>>%TEMP%.\%~n0.kix ECHO IF SETFOCUS("Print") = 0
>>%TEMP%.\%~n0.kix ECHO $RC = SENDKEYS("{ENTER}")
>>%TEMP%.\%~n0.kix ECHO ENDIF
:: Actual print command
START RUNDLL32.EXE c:\winnt\system32\MSHTML.DLL,PrintHTML %File%
%Printer%
:: Call the temporary Kix file to "press" Print button, then delete it
START /WAIT KIX32.EXE %TEMP%.\%~n0.kix
DEL %TEMP%.\%~n0.kix
:End
ENDLOCAL
Listing Four
/* Building a Static Library for Device Drivers by Alan MacInnes */
/* StaticLibraryRoutineOne.c */
#include
#include "StaticLibraryTemplate.h"
VOID
FirstRoutine()
{
DbgPrint("First routine entered in Static Library\n");
}
/* StaticLibraryRoutineTwo.c */
#include
#include "StaticLibraryTemplate.h"
VOID
SecondRoutine()
{
DbgPrint("Second routine entered in Static Library\n");
}
/* StaticLibraryTemplate.h */
// Function prototypes for the two routines in the static library.
VOID FirstRoutine();
VOID SecondRoutine();
3