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/Clob.hxx"
27 #include "java/tools.hxx"
28 #include "java/io/Reader.hxx"
29 #include <connectivity/dbexception.hxx>
30 #include <rtl/logfile.hxx>
31 
32 using namespace connectivity;
33 //**************************************************************
34 //************ Class: java.sql.Clob
35 //**************************************************************
36 
37 jclass java_sql_Clob::theClass = 0;
38 
java_sql_Clob(JNIEnv * pEnv,jobject myObj)39 java_sql_Clob::java_sql_Clob( JNIEnv * pEnv, jobject myObj )
40 	: java_lang_Object( pEnv, myObj )
41 {
42 	SDBThreadAttach::addRef();
43 }
~java_sql_Clob()44 java_sql_Clob::~java_sql_Clob()
45 {
46 	SDBThreadAttach::releaseRef();
47 }
48 
getMyClass() const49 jclass java_sql_Clob::getMyClass() const
50 {
51 	// die Klasse muss nur einmal geholt werden, daher statisch
52 	if( !theClass )
53         theClass = findMyClass("java/sql/Clob");
54 	return theClass;
55 }
56 
length()57 sal_Int64 SAL_CALL java_sql_Clob::length(  ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
58 {
59     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::length" );
60 	jlong out(0);
61     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
62 
63 	{
64 		// temporaere Variable initialisieren
65 		static const char * cSignature = "()J";
66 		static const char * cMethodName = "length";
67 		// Java-Call absetzen
68 		static jmethodID mID(NULL);
69         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
70 		out = t.pEnv->CallLongMethod( object, mID );
71 		ThrowSQLException(t.pEnv,*this);
72 	} //t.pEnv
73 	return (sal_Int64)out;
74 }
75 
getSubString(sal_Int64 pos,sal_Int32 subStringLength)76 ::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)
77 {
78     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::getSubString" );
79     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
80 	::rtl::OUString aStr;
81 	{
82 		// temporaere Variable initialisieren
83 		static const char * cSignature = "(JI)Ljava/lang/String;";
84 		static const char * cMethodName = "getSubString";
85 		// Java-Call absetzen
86 		static jmethodID mID(NULL);
87         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
88 		jstring out = (jstring)t.pEnv->CallObjectMethod( object, mID,pos,subStringLength);
89 		ThrowSQLException(t.pEnv,*this);
90 		aStr = JavaString2String(t.pEnv,out);
91 	} //t.pEnv
92 	// ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!!
93 	return 	aStr;
94 }
95 
getCharacterStream()96 ::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)
97 {
98     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::getCharacterStream" );
99     SDBThreadAttach t;
100 	static jmethodID mID(NULL);
101     jobject out = callObjectMethod(t.pEnv,"getCharacterStream","()Ljava/io/Reader;", mID);
102 
103 	// ACHTUNG: der Aufrufer wird Eigentuemer des zurueckgelieferten Zeigers !!!
104 	return out==0 ? 0 : new java_io_Reader( t.pEnv, out );
105 }
106 
position(const::rtl::OUString & searchstr,sal_Int32 start)107 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)
108 {
109     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::position" );
110 	jlong out(0);
111     SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
112 
113 	{
114 		jvalue args[1];
115 		// Parameter konvertieren
116 		args[0].l = convertwchar_tToJavaString(t.pEnv,searchstr);
117 		// temporaere Variable initialisieren
118 		static const char * cSignature = "(Ljava/lang/String;I)J";
119 		static const char * cMethodName = "position";
120 		// Java-Call absetzen
121 		static jmethodID mID(NULL);
122         obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
123 		out = t.pEnv->CallLongMethod( object, mID, args[0].l,start );
124 		ThrowSQLException(t.pEnv,*this);
125 		t.pEnv->DeleteLocalRef((jstring)args[0].l);
126 	} //t.pEnv
127 	return (sal_Int64)out;
128 }
129 
positionOfClob(const::com::sun::star::uno::Reference<::com::sun::star::sdbc::XClob> &,sal_Int64)130 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)
131 {
132     RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "jdbc", "Ocke.Janssen@sun.com", "java_sql_Clob::positionOfClob" );
133     ::dbtools::throwFeatureNotImplementedException( "XClob::positionOfClob", *this );
134     // this was put here in CWS warnings01. The previous implementation was defective, as it did ignore
135     // the pattern parameter. Since the effort for proper implementation is rather high - we would need
136     // to translated patter into a byte[] -, we defer this functionality for the moment (hey, it was
137     // unusable, anyway)
138     // 2005-11-15 / #i57457# / frank.schoenheit@sun.com
139     return 0;
140 }
141 
142 
143