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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/sql/Blob.hxx"
21 : #include "java/tools.hxx"
22 : #include "java/io/InputStream.hxx"
23 : #include <connectivity/dbexception.hxx>
24 :
25 : #include <string.h>
26 :
27 : using namespace connectivity;
28 : //**************************************************************
29 : //************ Class: java.sql.Blob
30 : //**************************************************************
31 :
32 : jclass java_sql_Blob::theClass = 0;
33 0 : java_sql_Blob::java_sql_Blob( JNIEnv * pEnv, jobject myObj )
34 0 : : java_lang_Object( pEnv, myObj )
35 : {
36 0 : SDBThreadAttach::addRef();
37 0 : }
38 0 : java_sql_Blob::~java_sql_Blob()
39 : {
40 0 : SDBThreadAttach::releaseRef();
41 0 : }
42 :
43 0 : jclass java_sql_Blob::getMyClass() const
44 : {
45 : // the class must be fetched only once, therefore it's static
46 0 : if( !theClass )
47 0 : theClass = findMyClass("java/sql/Blob");
48 0 : return theClass;
49 : }
50 :
51 0 : sal_Int64 SAL_CALL java_sql_Blob::length( ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
52 : {
53 0 : jlong out(0);
54 0 : SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
55 :
56 : {
57 : // initialize temporary variable
58 : static const char * cSignature = "()J";
59 : static const char * cMethodName = "length";
60 : // submit Java-Call
61 : static jmethodID mID(NULL);
62 0 : obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
63 0 : out = t.pEnv->CallLongMethod( object, mID );
64 0 : ThrowSQLException(t.pEnv,*this);
65 : } //t.pEnv
66 0 : return (sal_Int64)out;
67 : }
68 0 : ::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)
69 : {
70 :
71 0 : SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
72 0 : ::com::sun::star::uno::Sequence< sal_Int8 > aSeq;
73 : {
74 : // initialize temporary variable
75 : static const char * cSignature = "(JI)[B";
76 : static const char * cMethodName = "getBytes";
77 : // submit Java-Call
78 : static jmethodID mID(NULL);
79 0 : obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
80 0 : jbyteArray out = (jbyteArray)t.pEnv->CallObjectMethod( object, mID,pos,count);
81 0 : ThrowSQLException(t.pEnv,*this);
82 0 : if(out)
83 : {
84 0 : jboolean p = sal_False;
85 0 : aSeq.realloc(t.pEnv->GetArrayLength(out));
86 0 : memcpy(aSeq.getArray(),t.pEnv->GetByteArrayElements(out,&p),aSeq.getLength());
87 0 : t.pEnv->DeleteLocalRef(out);
88 : }
89 : } //t.pEnv
90 : // WARNING: the caller becomes the owner of the returned pointer
91 0 : return aSeq;
92 : }
93 :
94 0 : ::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)
95 : {
96 0 : SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
97 : static jmethodID mID(NULL);
98 0 : jobject out = callObjectMethod(t.pEnv,"getBinaryStream","()Ljava/io/InputStream;", mID);
99 : // WARNING: the caller becomes the owner of the returned pointer
100 0 : return out==0 ? 0 : new java_io_InputStream( t.pEnv, out );
101 : }
102 :
103 0 : 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)
104 : {
105 0 : jlong out(0);
106 0 : SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
107 :
108 : {
109 : // initialize temporary variable
110 : static const char * cSignature = "([BI)J";
111 : static const char * cMethodName = "position";
112 : // submit Java-Call
113 : static jmethodID mID(NULL);
114 0 : obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
115 : // convert Parameter
116 0 : jbyteArray pByteArray = t.pEnv->NewByteArray(pattern.getLength());
117 0 : t.pEnv->SetByteArrayRegion(pByteArray,0,pattern.getLength(),(jbyte*)pattern.getConstArray());
118 0 : out = t.pEnv->CallLongMethod( object, mID, pByteArray,start );
119 0 : t.pEnv->DeleteLocalRef(pByteArray);
120 0 : ThrowSQLException(t.pEnv,*this);
121 : } //t.pEnv
122 0 : return (sal_Int64)out;
123 : }
124 :
125 0 : 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)
126 : {
127 0 : ::dbtools::throwFeatureNotImplementedException( "XBlob::positionOfBlob", *this );
128 : // this was put here in CWS warnings01. The previous implementation was defective, as it did ignore
129 : // the pattern parameter. Since the effort for proper implementation is rather high - we would need
130 : // to translated patter into a byte[] -, we defer this functionality for the moment (hey, it was
131 : // unusable, anyway)
132 : // #i57457#
133 0 : return 0;
134 : }
135 :
136 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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