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org.hsqldb
Class HypersonicDBServlet  

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.hsqldb.HypersonicDBServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

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public class HypersonicDBServlet

extends javax.servlet.http.HttpServlet

Database Servlet handling the access to the HyperSonic SQL database. Unfortunately, in the current version 1.6.0 of org.hsqldb.Serlvet, the database filename is not configurable, but it has to be set fixed in the constructor. This does not fit to the servlet API. Hence, we import the sourcecode of org.hsqldb.Serlvet in the hope, that this will be fixed in the future.

Created: Sun Nov 12 07:41:51 2000

Version:

$Revision: 1.5 $

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Field Summary
private  Database	database
private  java.lang.String	filename
private static long	iQueries
private static long	lModified
private static java.lang.String	sError

 

Fields inherited from class javax.servlet.http.HttpServlet

 

Fields inherited from class javax.servlet.GenericServlet

 

Constructor Summary

HypersonicDBServlet()

 

Method Summary
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)           Delivers the database status.
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)           Handles the database access.
protected  long	getLastModified(javax.servlet.http.HttpServletRequest req)           Always delivers a new integer value.
void	init(javax.servlet.ServletConfig config)           Initializes the servlet.
protected  void	logException(java.lang.Exception e)           Write the exception stacktrace to the log file of the servlet engine.
private  java.lang.String	showStackTrace(java.lang.Exception e)           Converts the stack trace of the exception to a single String.

 

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, service, service

 

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

database

private Database database

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filename

private java.lang.String filename

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sError

private static java.lang.String sError

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iQueries

private static long iQueries

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lModified

private static long lModified

Constructor Detail

HypersonicDBServlet

public HypersonicDBServlet()

Method Detail

init

public void init(javax.servlet.ServletConfig config)

Initializes the servlet. The following parameters are recognized:

• filename: local filename of the database.

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doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws java.io.IOException,
                  javax.servlet.ServletException

Delivers the database status. This method is a 1:1 copy from org.hsqldb.Serlvet.

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doPost

public void doPost(javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response)
            throws java.io.IOException,
                   javax.servlet.ServletException

Handles the database access. The request should be of the form:

<user>+<password>+<SQL command>

This method is a 1:1 copy from org.hsqldb.Serlvet.

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getLastModified

protected long getLastModified(javax.servlet.http.HttpServletRequest req)

Always delivers a new integer value. This is made so that the cache of the http server is not used maybe there is some other way.

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logException

protected void logException(java.lang.Exception e)

Write the exception stacktrace to the log file of the servlet engine.

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showStackTrace

private java.lang.String showStackTrace(java.lang.Exception e)

Converts the stack trace of the exception to a single String.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> [ hsqldb overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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