LCOV - code coverage report
Current view: top level - connectivity/source/drivers/hsqldb - StorageNativeInputStream.cxx (source / functions) Hit Total Coverage
Test: commit c8344322a7af75b84dd3ca8f78b05543a976dfd5 Lines: 27 55 49.1 %
Date: 2015-06-13 12:38:46 Functions: 5 7 71.4 %
Legend: Lines: hit not hit

          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             : 
      21             : #if defined(HAVE_CONFIG_H) && HAVE_CONFIG_H
      22             : #include <config.h>
      23             : #endif
      24             : #include <com/sun/star/io/XStream.hpp>
      25             : #include <com/sun/star/container/XNameAccess.hpp>
      26             : #include <com/sun/star/document/XDocumentSubStorageSupplier.hpp>
      27             : #include <com/sun/star/embed/XStorage.hpp>
      28             : #include <com/sun/star/embed/ElementModes.hpp>
      29             : #include <comphelper/types.hxx>
      30             : #include "hsqldb/HStorageAccess.hxx"
      31             : #include "hsqldb/HStorageMap.hxx"
      32             : 
      33             : #include <jvmaccess/virtualmachine.hxx>
      34             : #include <com/sun/star/lang/XSingleComponentFactory.hpp>
      35             : #include <osl/diagnose.h>
      36             : #include "accesslog.hxx"
      37             : 
      38             : #include <limits>
      39             : 
      40             : 
      41             : using namespace ::com::sun::star::container;
      42             : using namespace ::com::sun::star::uno;
      43             : using namespace ::com::sun::star::document;
      44             : using namespace ::com::sun::star::embed;
      45             : using namespace ::com::sun::star::io;
      46             : using namespace ::com::sun::star::lang;
      47             : using namespace ::connectivity::hsqldb;
      48             : 
      49             : /*****************************************************************************/
      50             : /* exception macros */
      51             : 
      52             : #define ThrowException(env, type, msg) { \
      53             :     env->ThrowNew(env->FindClass(type), msg); }
      54             : /*
      55             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
      56             :  * Method:    openStream
      57             :  * Signature: (Ljava/lang/String;Ljava/lang/String;I)V
      58             :  */
      59          25 : extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_openStream
      60             :   (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jint mode)
      61             : {
      62             : #ifdef HSQLDB_DBG
      63             :     {
      64             :         OperationLogFile( env, name, "input" ).logOperation( "openStream" );
      65             :         LogFile( env, name, "input" ).create();
      66             :     }
      67             : #endif
      68          25 :     StorageContainer::registerStream(env,name,key,mode);
      69          25 : }
      70             : 
      71             : 
      72             : /*
      73             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
      74             :  * Method:    read
      75             :  * Signature: (Ljava/lang/String;Ljava/lang/String;)I
      76             :  */
      77           0 : extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2
      78             :   (JNIEnv * env, jobject obj_this,jstring key, jstring name)
      79             : {
      80             : #ifdef HSQLDB_DBG
      81             :     OperationLogFile( env, name, "input" ).logOperation( "read()" );
      82             : 
      83             :     DataLogFile aDataLog( env, name, "input" );
      84             :     return read_from_storage_stream( env, obj_this, name, key, &aDataLog );
      85             : #else
      86           0 :     return read_from_storage_stream( env, obj_this, name, key );
      87             : #endif
      88             : }
      89             : 
      90             : 
      91             : /*
      92             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
      93             :  * Method:    read
      94             :  * Signature: (Ljava/lang/String;Ljava/lang/String;[BII)I
      95             :  */
      96          45 : extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3BII
      97             :   (JNIEnv * env, jobject obj_this,jstring key, jstring name, jbyteArray buffer, jint off, jint len)
      98             : {
      99             : #ifdef HSQLDB_DBG
     100             :     OperationLogFile( env, name, "input" ).logOperation( "read( byte[], int, int )" );
     101             : 
     102             :     DataLogFile aDataLog( env, name, "input" );
     103             :     return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog );
     104             : #else
     105          45 :     return read_from_storage_stream_into_buffer(env,obj_this,name,key,buffer,off,len);
     106             : #endif
     107             : }
     108             : 
     109             : 
     110             : /*
     111             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
     112             :  * Method:    close
     113             :  * Signature: (Ljava/lang/String;Ljava/lang/String;)V
     114             :  */
     115          25 : extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_close
     116             :   (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
     117             : {
     118             : #ifdef HSQLDB_DBG
     119             :     OperationLogFile aOpLog( env, name, "input" );
     120             :     aOpLog.logOperation( "close" );
     121             :     aOpLog.close();
     122             : 
     123             :     LogFile aDataLog( env, name, "input" );
     124             :     aDataLog.close();
     125             : #endif
     126          25 :     StorageContainer::revokeStream(env,name,key);
     127          25 : }
     128             : 
     129             : 
     130             : /*
     131             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
     132             :  * Method:    skip
     133             :  * Signature: (Ljava/lang/String;Ljava/lang/String;J)J
     134             :  */
     135           0 : extern "C" SAL_JNI_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_skip
     136             :   (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jlong n)
     137             : {
     138             : #ifdef HSQLDB_DBG
     139             :     OperationLogFile( env, name, "input" ).logOperation( "skip()" );
     140             : #endif
     141             : 
     142           0 :     if ( n < 0 )
     143           0 :         ThrowException( env,
     144             :                         "java/io/IOException",
     145             :                         "n < 0");
     146             : 
     147           0 :     ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
     148             :     OSL_ENSURE(pHelper.get(),"No stream helper!");
     149           0 :     if ( pHelper.get() )
     150             :     {
     151           0 :         Reference<XInputStream> xIn = pHelper->getInputStream();
     152           0 :         if ( xIn.is() )
     153             :         {
     154             :             try
     155             :             {
     156           0 :                 sal_Int64 tmpLongVal = n;
     157             :                 sal_Int32 tmpIntVal;
     158             : 
     159             :                 try
     160             :                 {
     161           0 :                     do {
     162           0 :                         if (tmpLongVal >= ::std::numeric_limits<sal_Int64>::max() )
     163           0 :                             tmpIntVal = ::std::numeric_limits<sal_Int32>::max();
     164             :                         else // Casting is safe here.
     165           0 :                             tmpIntVal = static_cast<sal_Int32>(tmpLongVal);
     166             : 
     167           0 :                         tmpLongVal -= tmpIntVal;
     168             : 
     169           0 :                         xIn->skipBytes(tmpIntVal);
     170             : 
     171             :                     } while (tmpLongVal > 0);
     172             :                 }
     173           0 :                 catch(const Exception&)
     174             :                 {
     175             :                 }
     176             : 
     177           0 :                 return n - tmpLongVal;
     178             :             }
     179           0 :             catch(const Exception& e)
     180             :             {
     181             :                 OSL_FAIL("Exception caught! : skip();");
     182           0 :                 StorageContainer::throwJavaException(e,env);
     183             :             }
     184           0 :         }
     185             :     }
     186             :     else
     187             :     {
     188           0 :         ThrowException( env,
     189             :                         "java/io/IOException",
     190             :                         "Stream is not valid");
     191             :     }
     192           0 :     return 0;
     193             : }
     194             : 
     195             : 
     196             : /*
     197             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
     198             :  * Method:    available
     199             :  * Signature: (Ljava/lang/String;Ljava/lang/String;)I
     200             :  */
     201          10 : extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_available
     202             :   (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name)
     203             : {
     204             : #ifdef HSQLDB_DBG
     205             :     OperationLogFile aOpLog( env, name, "input" );
     206             :     aOpLog.logOperation( "available" );
     207             : #endif
     208             : 
     209          10 :     ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
     210             :     OSL_ENSURE(pHelper.get(),"No stream helper!");
     211          20 :     Reference<XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference<XInputStream>();
     212          10 :     if ( xIn.is() )
     213             :     {
     214             :         try
     215             :         {
     216          10 :             jint nAvailable = xIn->available();
     217             : #ifdef HSQLDB_DBG
     218             :             aOpLog.logReturn( nAvailable );
     219             : #endif
     220          10 :             return nAvailable;
     221             :         }
     222           0 :         catch(const Exception& e)
     223             :         {
     224             :             OSL_FAIL("Exception caught! : available();");
     225           0 :             StorageContainer::throwJavaException(e,env);
     226             :         }
     227             :     }
     228             :     else
     229             :     {
     230           0 :         ThrowException( env,
     231             :                         "java/io/IOException",
     232             :                         "Stream is not valid");
     233             :     }
     234          10 :     return 0;
     235             : }
     236             : 
     237             : 
     238             : /*
     239             :  * Class:     com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream
     240             :  * Method:    read
     241             :  * Signature: (Ljava/lang/String;Ljava/lang/String;[B)I
     242             :  */
     243           9 : extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_StorageNativeInputStream_read__Ljava_lang_String_2Ljava_lang_String_2_3B
     244             :   (JNIEnv * env, jobject /*obj_this*/,jstring key, jstring name, jbyteArray buffer)
     245             : {
     246             : #ifdef HSQLDB_DBG
     247             :     OperationLogFile aOpLog( env, name, "input" );
     248             :     aOpLog.logOperation( "read( byte[] )" );
     249             : 
     250             :     DataLogFile aDataLog( env, name, "input" );
     251             : #endif
     252             : 
     253           9 :     ::boost::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
     254          18 :     Reference< XInputStream> xIn = pHelper.get() ? pHelper->getInputStream() : Reference< XInputStream>();
     255             :     OSL_ENSURE(xIn.is(),"Input stream is NULL!");
     256           9 :     jint nBytesRead = 0;
     257           9 :     if ( xIn.is() )
     258             :     {
     259           9 :         jsize nLen = env->GetArrayLength(buffer);
     260           9 :         Sequence< ::sal_Int8 > aData(nLen);
     261             : 
     262             :         try
     263             :         {
     264           9 :             nBytesRead = xIn->readBytes(aData,nLen);
     265             :         }
     266           0 :         catch(const Exception& e)
     267             :         {
     268             :             OSL_FAIL("Exception caught! : skip();");
     269           0 :             StorageContainer::throwJavaException(e,env);
     270             :         }
     271             : 
     272             :         // Casting bytesRead to an int is okay, since the user can
     273             :         // only pass in an integer length to read, so the bytesRead
     274             :         // must <= len.
     275             : 
     276           9 :         if (nBytesRead <= 0) {
     277             : #ifdef HSQLDB_DBG
     278             :             aOpLog.logReturn( (jint)-1 );
     279             : #endif
     280           6 :             return -1;
     281             :         }
     282             :         OSL_ENSURE(nLen >= nBytesRead,"Buffer is too small!");
     283             :         OSL_ENSURE(aData.getLength() >= nBytesRead,"Buffer is too small!");
     284           3 :         env->SetByteArrayRegion(buffer, 0, nBytesRead, reinterpret_cast<jbyte*>(&aData[0]));
     285             : #ifdef HSQLDB_DBG
     286             :         aDataLog.write( &aData[0], nBytesRead );
     287             : #endif
     288             :     }
     289             : #ifdef HSQLDB_DBG
     290             :     aOpLog.logReturn( nBytesRead );
     291             : #endif
     292          12 :     return nBytesRead;
     293             : }
     294             : 
     295             : 
     296             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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