xref: /trunk/main/connectivity/source/drivers/jdbc/Clob.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_connectivity.hxx"
30 #include "java/sql/Clob.hxx"
31 #include "java/tools.hxx"
32 #include "java/io/Reader.hxx"
33 #include <connectivity/dbexception.hxx>
34 #include <rtl/logfile.hxx>
35 
36 using namespace connectivity;
37 //**************************************************************
38 //************ Class: java.sql.Clob
39 //**************************************************************
40 
41 jclass java_sql_Clob::theClass = 0;
42 
43 java_sql_Clob::java_sql_Clob( JNIEnv * pEnv, jobject myObj )
44     : java_lang_Object( pEnv, myObj )
45 {
46     SDBThreadAttach::addRef();
47 }
48 java_sql_Clob::~java_sql_Clob()
49 {
50     SDBThreadAttach::releaseRef();
51 }
52 
53 jclass java_sql_Clob::getMyClass() const
54 {
55     // die Klasse muss nur einmal geholt werden, daher statisch
56     if( !theClass )
57         theClass = findMyClass("java/sql/Clob");
58     return theClass;
59 }
60 
61 sal_Int64 SAL_CALL java_sql_Clob::length(  ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
62 {
63     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::length" );
64     jlong out(0);
65     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
66 
67     {
68         // temporaere Variable initialisieren
69         static const char * cSignature = "()J";
70         static const char * cMethodName = "length";
71         // Java-Call absetzen
72         static jmethodID mID(NULL);
73         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
74         out = t.pEnv->CallLongMethod( object, mID );
75         ThrowSQLException(t.pEnv,*this);
76     } //t.pEnv
77     return (sal_Int64)out;
78 }
79 
80 ::rtl::OUString SAL_CALL java_sql_Clob::getSubString( sal_Int64 pos, sal_Int32 subStringLength ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
81 {
82     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::getSubString" );
83     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
84     ::rtl::OUString aStr;
85     {
86         // temporaere Variable initialisieren
87         static const char * cSignature = "(JI)Ljava/lang/String;";
88         static const char * cMethodName = "getSubString";
89         // Java-Call absetzen
90         static jmethodID mID(NULL);
91         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
92         jstring out = (jstring)t.pEnv->CallObjectMethod( object, mID,pos,subStringLength);
93         ThrowSQLException(t.pEnv,*this);
94         aStr = JavaString2String(t.pEnv,out);
95     } //t.pEnv
96     // ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!!
97     return  aStr;
98 }
99 
100 ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL java_sql_Clob::getCharacterStream(  ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
101 {
102     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::getCharacterStream" );
103     SDBThreadAttach t;
104     static jmethodID mID(NULL);
105     jobject out = callObjectMethod(t.pEnv,"getCharacterStream","()Ljava/io/Reader;", mID);
106 
107     // ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!!
108     return out==0 ? 0 : new java_io_Reader( t.pEnv, out );
109 }
110 
111 sal_Int64 SAL_CALL java_sql_Clob::position( const ::rtl::OUString& searchstr, sal_Int32 start ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
112 {
113     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::position" );
114     jlong out(0);
115     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
116 
117     {
118         jvalue args[1];
119         // Parameter konvertieren
120         args[0].l = convertwchar_tToJavaString(t.pEnv,searchstr);
121         // temporaere Variable initialisieren
122         static const char * cSignature = "(Ljava/lang/String;I)J";
123         static const char * cMethodName = "position";
124         // Java-Call absetzen
125         static jmethodID mID(NULL);
126         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
127         out = t.pEnv->CallLongMethod( object, mID, args[0].l,start );
128         ThrowSQLException(t.pEnv,*this);
129         t.pEnv->DeleteLocalRef((jstring)args[0].l);
130     } //t.pEnv
131     return (sal_Int64)out;
132 }
133 
134 sal_Int64 SAL_CALL java_sql_Clob::positionOfClob( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XClob >& /*pattern*/, sal_Int64 /*start*/ ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
135 {
136     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::positionOfClob" );
137     ::dbtools::throwFeatureNotImplementedException( "XClob::positionOfClob", *this );
138     // this was put here in CWS warnings01. The previous implementation was defective, as it did ignore
139     // the pattern parameter. Since the effort for proper implementation is rather high - we would need
140     // to translated patter into a byte[] -, we defer this functionality for the moment (hey, it was
141     // unusable, anyway)
142     // 2005-11-15 / #i57457# / frank.schoenheit@sun.com
143     return 0;
144 }
145 
146 
147