1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_connectivity.hxx" 26 #include "java/sql/Blob.hxx" 27 #include "java/tools.hxx" 28 #include "java/io/InputStream.hxx" 29 #ifndef _INC_MEMORY 30 //#include <memory.h> 31 #endif 32 #include <connectivity/dbexception.hxx> 33 34 #include <string.h> 35 36 using namespace connectivity; 37 //************************************************************** 38 //************ Class: java.sql.Blob 39 //************************************************************** 40 41 jclass java_sql_Blob::theClass = 0; 42 java_sql_Blob::java_sql_Blob( JNIEnv * pEnv, jobject myObj ) 43 : java_lang_Object( pEnv, myObj ) 44 { 45 SDBThreadAttach::addRef(); 46 } 47 java_sql_Blob::~java_sql_Blob() 48 { 49 SDBThreadAttach::releaseRef(); 50 } 51 52 jclass java_sql_Blob::getMyClass() const 53 { 54 // die Klasse muss nur einmal geholt werden, daher statisch 55 if( !theClass ) 56 theClass = findMyClass("java/sql/Blob"); 57 return theClass; 58 } 59 60 sal_Int64 SAL_CALL java_sql_Blob::length( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) 61 { 62 jlong out(0); 63 SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); 64 65 { 66 // temporaere Variable initialisieren 67 static const char * cSignature = "()J"; 68 static const char * cMethodName = "length"; 69 // Java-Call absetzen 70 static jmethodID mID(NULL); 71 obtainMethodId(t.pEnv, cMethodName,cSignature, mID); 72 out = t.pEnv->CallLongMethod( object, mID ); 73 ThrowSQLException(t.pEnv,*this); 74 } //t.pEnv 75 return (sal_Int64)out; 76 } 77 ::com::sun::star::uno::Sequence< sal_Int8 > SAL_CALL java_sql_Blob::getBytes( sal_Int64 pos, sal_Int32 count ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) 78 { 79 80 SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); 81 ::com::sun::star::uno::Sequence< sal_Int8 > aSeq; 82 { 83 // temporaere Variable initialisieren 84 static const char * cSignature = "(JI)[B"; 85 static const char * cMethodName = "getBytes"; 86 // Java-Call absetzen 87 static jmethodID mID(NULL); 88 obtainMethodId(t.pEnv, cMethodName,cSignature, mID); 89 jbyteArray out = (jbyteArray)t.pEnv->CallObjectMethod( object, mID,pos,count); 90 ThrowSQLException(t.pEnv,*this); 91 if(out) 92 { 93 jboolean p = sal_False; 94 aSeq.realloc(t.pEnv->GetArrayLength(out)); 95 memcpy(aSeq.getArray(),t.pEnv->GetByteArrayElements(out,&p),aSeq.getLength()); 96 t.pEnv->DeleteLocalRef(out); 97 } 98 } //t.pEnv 99 // ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!! 100 return aSeq; 101 } 102 103 ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL java_sql_Blob::getBinaryStream( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) 104 { 105 SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); 106 static jmethodID mID(NULL); 107 jobject out = callObjectMethod(t.pEnv,"getBinaryStream","()Ljava/io/InputStream;", mID); 108 // ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!! 109 return out==0 ? 0 : new java_io_InputStream( t.pEnv, out ); 110 } 111 112 sal_Int64 SAL_CALL java_sql_Blob::position( const ::com::sun::star::uno::Sequence< sal_Int8 >& pattern, sal_Int64 start ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) 113 { 114 jlong out(0); 115 SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!"); 116 117 { 118 // temporaere Variable initialisieren 119 static const char * cSignature = "([BI)J"; 120 static const char * cMethodName = "position"; 121 // Java-Call absetzen 122 static jmethodID mID(NULL); 123 obtainMethodId(t.pEnv, cMethodName,cSignature, mID); 124 // Parameter konvertieren 125 jbyteArray pByteArray = t.pEnv->NewByteArray(pattern.getLength()); 126 t.pEnv->SetByteArrayRegion(pByteArray,0,pattern.getLength(),(jbyte*)pattern.getConstArray()); 127 out = t.pEnv->CallLongMethod( object, mID, pByteArray,start ); 128 t.pEnv->DeleteLocalRef(pByteArray); 129 ThrowSQLException(t.pEnv,*this); 130 } //t.pEnv 131 return (sal_Int64)out; 132 } 133 134 sal_Int64 SAL_CALL java_sql_Blob::positionOfBlob( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XBlob >& /*pattern*/, sal_Int64 /*start*/ ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException) 135 { 136 ::dbtools::throwFeatureNotImplementedException( "XBlob::positionOfBlob", *this ); 137 // this was put here in CWS warnings01. The previous implementation was defective, as it did ignore 138 // the pattern parameter. Since the effort for proper implementation is rather high - we would need 139 // to translated patter into a byte[] -, we defer this functionality for the moment (hey, it was 140 // unusable, anyway) 141 // 2005-11-15 / #i57457# / frank.schoenheit@sun.com 142 return 0; 143 } 144 145