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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/io/Reader.hxx"
21 : : #include <string.h>
22 : : using namespace connectivity;
23 : :
24 : : //**************************************************************
25 : : //************ Class: java.io.Reader
26 : : //**************************************************************
27 : :
28 : : jclass java_io_Reader::theClass = 0;
29 : 0 : java_io_Reader::java_io_Reader( JNIEnv * pEnv, jobject myObj )
30 : 0 : : java_lang_Object( pEnv, myObj )
31 : : {
32 : 0 : SDBThreadAttach::addRef();
33 : 0 : }
34 : 0 : java_io_Reader::~java_io_Reader()
35 : : {
36 : 0 : SDBThreadAttach::releaseRef();
37 : 0 : }
38 : :
39 : 0 : jclass java_io_Reader::getMyClass() const
40 : : {
41 : : // the class must be fetched only once, therefore static
42 : 0 : if( !theClass )
43 : 0 : theClass = findMyClass("java/io/Reader");
44 : 0 : return theClass;
45 : : }
46 : :
47 : 0 : sal_Int32 SAL_CALL java_io_Reader::readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
48 : : {
49 : 0 : return readBytes(aData,nMaxBytesToRead);
50 : : }
51 : :
52 : 0 : void SAL_CALL java_io_Reader::skipBytes( sal_Int32 nBytesToSkip ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
53 : : {
54 : : static jmethodID mID(NULL);
55 : 0 : callIntMethodWithIntArg("skip",mID,nBytesToSkip);
56 : 0 : }
57 : :
58 : 0 : sal_Int32 SAL_CALL java_io_Reader::available( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
59 : : {
60 : 0 : jboolean out(sal_False);
61 : 0 : SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
62 : :
63 : : {
64 : : static const char * cSignature = "()Z";
65 : : static const char * cMethodName = "available";
66 : : // Java-Call
67 : : static jmethodID mID(NULL);
68 : 0 : obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
69 : 0 : out = t.pEnv->CallBooleanMethod( object, mID);
70 : 0 : ThrowSQLException(t.pEnv,*this);
71 : : } //t.pEnv
72 : 0 : return out;
73 : : }
74 : :
75 : 0 : void SAL_CALL java_io_Reader::closeInput( ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
76 : : {
77 : : static jmethodID mID(NULL);
78 : 0 : callVoidMethod("close",mID);
79 : 0 : }
80 : : // -----------------------------------------------------
81 : 0 : sal_Int32 SAL_CALL java_io_Reader::readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException)
82 : : {
83 : : OSL_ENSURE(aData.getLength() < nBytesToRead," Sequence is smaller than BytesToRead");
84 : 0 : jint out(0);
85 : 0 : SDBThreadAttach t; OSL_ENSURE(t.pEnv,"Java Enviroment geloescht worden!");
86 : :
87 : : {
88 : 0 : jcharArray pCharArray = t.pEnv->NewCharArray(nBytesToRead);
89 : : static const char * cSignature = "([CII)I";
90 : : static const char * cMethodName = "read";
91 : : // Java-Call
92 : : static jmethodID mID(NULL);
93 : 0 : obtainMethodId(t.pEnv, cMethodName,cSignature, mID);
94 : 0 : out = t.pEnv->CallIntMethod( object, mID, pCharArray, 0, nBytesToRead );
95 : 0 : if ( !out )
96 : 0 : ThrowSQLException(t.pEnv,*this);
97 : 0 : if(out > 0)
98 : : {
99 : 0 : jboolean p = sal_False;
100 : 0 : if(aData.getLength() < out)
101 : 0 : aData.realloc(out-aData.getLength());
102 : :
103 : 0 : memcpy(aData.getArray(),t.pEnv->GetCharArrayElements(pCharArray,&p),out);
104 : : }
105 : 0 : t.pEnv->DeleteLocalRef((jcharArray)pCharArray);
106 : : } //t.pEnv
107 : 0 : return out;
108 : : }
109 : :
110 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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