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// -*- c++ -*-
/* This file is part of the KDE project
*
* Copyright (C) 2000 Richard Moore <rich@kde.org>
* 2000 Wynn Wilkes <wynnw@caldera.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KJAVAPROCESS_H
#define KJAVAPROCESS_H
#include <kprocess.h>
#include <tqcstring.h>
/**
* @short A class for invoking a Java VM
*
* This class is a general tool for invoking a Java interpreter. It allows you
* to specify some of the standard options that should be understood by all
* JVMs.
*
* @author Richard J. Moore, rich@kde.org
* @author Wynn Wilkes, wynnw@calderasystems.com
*/
class KJavaProcessPrivate;
class KJavaProcess : public TDEProcess //QObject
{
Q_OBJECT
public:
/**
* Creates a process object, the process is NOT invoked at this point.
* You should first set the process's parameters, and then call startJava.
*/
KJavaProcess();
virtual ~KJavaProcess();
/**
* Invoke the JVM with the parameters that have been set. The Java process
* will start after this call.
*/
bool startJava();
/**
* Stop the JVM (if it's running).
*/
void stopJava();
/**
* Returns the status of the java Process- true if it's ok, false if it has died.
* It calls TDEProcess::isRunning()
*/
bool isRunning();
/**
* Used to specify the path to the Java executable to be run.
*/
void setJVMPath( const TQString& path );
/**
* This will set the classpath the Java process will use. It's used as a the
* -cp command line option. It adds every jar file stored in $TDEDIRS/share/apps/kjava/
* to the classpath, and then adds the $CLASSPATH environmental variable. This allows
* users to simply drop the JSSE (Java Secure Sockets Extension classes into that directory
* without having to modify the jvm configuration files.
*/
void setClasspath( const TQString& classpath );
/**
* Set a property on the java command line as -Dname=value, or -Dname if value is TQString::null.
* For example, you could call setSystemProperty( "kjas.debug", "" ) to set the kjas.debug property.
*/
void setSystemProperty( const TQString& name, const TQString& value );
/**
* The class to be called when startJava() is called.
*/
void setMainClass( const TQString& clazzName );
/**
* Extra flags passed to the JVM.
*/
void setExtraArgs( const TQString& args );
/**
* Arguments passed to the main class. They will be very last in the java
* command line, after the main class.
*/
void setClassArgs( const TQString& classArgs );
/**
* Sends a command to the KJAS Applet Server by building a QByteArray
* out of the data, and then writes it standard out.
*/
void send( char cmd_code, const TQStringList& args );
/**
* Sends a command to the KJAS Applet Server by building a QByteArray
* out of the data, and then writes it standard out. It adds each QString
* in the arg list, and then adds the data array.
*/
void send( char cmd_code, const TQStringList& args, const TQByteArray& data );
/**
* Writes all pending data to JVM
**/
void flushBuffers();
protected slots:
/**
* This slot is called whenever something is written to stdin of the process.
* It's called again to make sure we keep emptying out the buffer that contains
* the messages we need send.
*/
void slotWroteData();
/**
* This slot is called when the Java Process writes to standard out. We then
* process the data from the file descriptor that is passed to us and send the
* command to the AppletServer
*/
void slotReceivedData( int, int& );
/**
* This slot is called when the Java Process exited.
*/
void slotExited( TDEProcess *process );
protected:
virtual bool invokeJVM();
virtual void killJVM();
TQByteArray* addArgs( char cmd_code, const TQStringList& args );
void popBuffer();
void sendBuffer( TQByteArray* buff );
void storeSize( TQByteArray* buff );
TDEProcess* javaProcess;
signals:
void received( const TQByteArray& );
void exited( int status );
private:
KJavaProcessPrivate *d;
};
#endif // KJAVAPROCESS_H
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