Line data Source code
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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