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java.lang.Objectcx.ath.matthew.cgi.CGI
public abstract class CGI
This is the main class you have to extend with your CGI program. You should implement the cgi() method.
Constructor Summary | |
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CGI()
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Method Summary | |
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protected abstract void |
cgi(Map POST,
Map GET,
Map ENV,
Map COOKIES,
String[] params)
Override this method in your CGI program. |
void |
doCGI(String[] args)
This method sets up all the CGI variables and calls the cgi() method, then writes out the page data. |
void |
flush()
Flushes the output. |
OutputStream |
getOutputStream()
This will return an OutputStream that you can write data directly to. |
void |
header(String variable,
String value)
Called by CGIs to send a header to the output |
void |
out(byte[] data)
Called by CGIs to send byte data to the output. |
void |
out(String data)
Called by CGIs to send a string to the output. |
void |
setcookie(String variable,
String value)
Sets a Cookie in the web browser. |
void |
setcookie(String variable,
String value,
String path,
String domain,
Date expires,
boolean secure)
Sets a Cookie in the web browser, with extended attributes. |
protected void |
setErrorHandler(CGIErrorHandler handler)
Sets a custom exception handler. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CGI()
Method Detail |
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public final void header(String variable, String value) throws CGIHeaderSentException
variable
- The header variable to set.value
- The value of the variable.
CGIHeaderSentException
- if the headers have already been sent.flush()
public final void setcookie(String variable, String value, String path, String domain, Date expires, boolean secure) throws CGIHeaderSentException
variable
- The cookie variable to set.value
- The value of the variable.path
- The path that the cookie will be returned for.domain
- The domain that the cookie will be returned for.expires
- The expiry date of the cookie.secure
- Will only send the cookie over HTTPS if this is true.
CGIHeaderSentException
- if the headers have already been sent.flush()
,
header(java.lang.String, java.lang.String)
public final void setcookie(String variable, String value) throws CGIHeaderSentException
variable
- The cookie variable to set.value
- The value of the variable.
CGIHeaderSentException
- if the headers have already been sent.flush()
,
header(java.lang.String, java.lang.String)
public final void out(byte[] data) throws CGIInvalidContentFormatException
data
- The page data.
CGIInvalidContentFormatException
- if text data has already been sent.flush()
public final void out(String data) throws CGIInvalidContentFormatException
data
- The page data.
CGIInvalidContentFormatException
- if raw data has already been sent.flush()
public final OutputStream getOutputStream() throws IOException
IOException
out(byte[])
public final void flush() throws IOException
IOException
header(java.lang.String, java.lang.String)
protected final void setErrorHandler(CGIErrorHandler handler)
handler
- The new exception handlerprotected abstract void cgi(Map POST, Map GET, Map ENV, Map COOKIES, String[] params) throws Exception
POST
- A Map of variable =$gt; value for the POST variables.GET
- A Map of variable =$gt; value for the GET variables.ENV
- A Map of variable =$gt; value for the Webserver environment variables.COOKIES
- A Map of variable =$gt; value for the browser-sent cookies.params
- An array of parameters passed to the CGI (GET with no variable assignments)
Exception
- You can throw anything, it will be caught by the error handler.public final void doCGI(String[] args)
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