Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "java/io/InputStream.hxx"
      21             : #include "java/tools.hxx"
      22             : 
      23             : #include <string.h>
      24             : 
      25             : using namespace connectivity;
      26             : //**************************************************************
      27             : //************ Class: java.io.InputStream
      28             : //**************************************************************
      29             : 
      30             : jclass java_io_InputStream::theClass = 0;
      31           0 : java_io_InputStream::java_io_InputStream( JNIEnv * pEnv, jobject myObj )
      32           0 :     : java_lang_Object( pEnv, myObj )
      33             : {
      34           0 :     SDBThreadAttach::addRef();
      35           0 : }
      36           0 : java_io_InputStream::~java_io_InputStream()
      37             : {
      38           0 :     SDBThreadAttach::releaseRef();
      39           0 : }
      40             : 
      41           0 : jclass java_io_InputStream::getMyClass() const
      42             : {
      43             :     // the class must be fetched only once, therefore static
      44           0 :     if( !theClass )
      45           0 :         theClass = findMyClass("java/io/InputStream");
      46           0 :     return theClass;
      47             : }
      48             : 
      49             : 
      50           0 : sal_Int32 SAL_CALL java_io_InputStream::readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
      51             : {
      52           0 :     return readBytes(aData,nMaxBytesToRead);
      53             : }
      54             : 
      55           0 : void SAL_CALL java_io_InputStream::skipBytes( sal_Int32 nBytesToSkip ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
      56             : {
      57             :     static jmethodID mID(NULL);
      58           0 :     callIntMethodWithIntArg("skip",mID,nBytesToSkip);
      59           0 : }
      60             : 
      61           0 : sal_Int32 SAL_CALL java_io_InputStream::available(  ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
      62             : {
      63             :     static jmethodID mID(NULL);
      64           0 :     return callIntMethod("available",mID);
      65             : }
      66           0 : void SAL_CALL java_io_InputStream::closeInput(  ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
      67             : {
      68             :     static jmethodID mID(NULL);
      69           0 :     callVoidMethod("close",mID);
      70           0 : }
      71             : // -----------------------------------------------------
      72           0 : sal_Int32 SAL_CALL java_io_InputStream::readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
      73             : {
      74           0 :     if (nBytesToRead < 0)
      75           0 :         throw ::com::sun::star::io::BufferSizeExceededException( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( OSL_LOG_PREFIX ) ), *this );
      76             : 
      77           0 :     jint out(0);
      78           0 :     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
      79             : 
      80             :     {
      81           0 :         jbyteArray pByteArray = t.pEnv->NewByteArray(nBytesToRead);
      82             :         static const char * cSignature = "([BII)I";
      83             :         static const char * cMethodName = "read";
      84             :         // execute Java-Call
      85             :         static jmethodID mID(NULL);
      86           0 :         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
      87           0 :         out = t.pEnv->CallIntMethod( object, mID, pByteArray, 0, nBytesToRead );
      88           0 :         if ( !out )
      89           0 :             ThrowSQLException(t.pEnv,*this);
      90           0 :         if(out > 0)
      91             :         {
      92           0 :             jboolean p = sal_False;
      93           0 :             aData.realloc ( out );
      94           0 :             memcpy(aData.getArray(),t.pEnv->GetByteArrayElements(pByteArray,&p),out);
      95             :         }
      96           0 :         t.pEnv->DeleteLocalRef((jbyteArray)pByteArray);
      97             :     } //t.pEnv
      98           0 :     return out;
      99             : }
     100             : 
     101             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */