| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include <rtl/memory.h> |
| #include <com/sun/star/ucb/InteractiveAugmentedIOException.hpp> |
| #include <ucbhelper/cancelcommandexecution.hxx> |
| #include <string.h> |
| |
| #include "gio_inputstream.hxx" |
| #include "gio_content.hxx" |
| |
| using namespace com::sun::star; |
| |
| namespace gio |
| { |
| |
| InputStream::InputStream(GFileInputStream *pStream) : Seekable(G_SEEKABLE(pStream)), mpStream(pStream) |
| { |
| if (!mpStream) |
| throw io::NotConnectedException(); |
| } |
| |
| InputStream::~InputStream( void ) |
| { |
| closeInput(); |
| } |
| |
| sal_Int32 SAL_CALL InputStream::available() |
| throw( io::NotConnectedException, io::IOException, uno::RuntimeException ) |
| { |
| return 0; |
| } |
| |
| void SAL_CALL InputStream::closeInput() |
| throw( io::NotConnectedException, io::IOException, uno::RuntimeException ) |
| { |
| if (mpStream) |
| g_input_stream_close(G_INPUT_STREAM(mpStream), NULL, NULL); |
| } |
| |
| void SAL_CALL InputStream::skipBytes( sal_Int32 nBytesToSkip ) |
| throw( io::NotConnectedException, io::BufferSizeExceededException, |
| io::IOException, uno::RuntimeException ) |
| { |
| if (!mpStream) |
| throw io::NotConnectedException(); |
| |
| if (!g_seekable_can_seek(G_SEEKABLE(mpStream))) |
| throw io::IOException(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Seek unsupported")), |
| static_cast< cppu::OWeakObject * >(this)); |
| |
| GError *pError=NULL; |
| if (!g_seekable_seek(G_SEEKABLE(mpStream), nBytesToSkip, G_SEEK_CUR, NULL, &pError)) |
| convertToException(pError, static_cast< cppu::OWeakObject * >(this)); |
| } |
| |
| sal_Int32 SAL_CALL InputStream::readBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) |
| throw( io::NotConnectedException, io::BufferSizeExceededException, |
| io::IOException, uno::RuntimeException ) |
| { |
| if (!mpStream) |
| throw io::NotConnectedException(); |
| |
| try |
| { |
| aData.realloc( nBytesToRead ); |
| } |
| catch ( const uno::Exception &e ) |
| { |
| throw io::BufferSizeExceededException(); |
| } |
| |
| gsize nBytesRead = 0; |
| GError *pError=NULL; |
| if (!g_input_stream_read_all(G_INPUT_STREAM(mpStream), aData.getArray(), nBytesToRead, &nBytesRead, NULL, &pError)) |
| convertToException(pError, static_cast< cppu::OWeakObject * >(this)); |
| aData.realloc(nBytesRead); |
| return nBytesRead; |
| } |
| |
| sal_Int32 SAL_CALL InputStream::readSomeBytes( uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) |
| throw( io::NotConnectedException, io::BufferSizeExceededException, |
| io::IOException, uno::RuntimeException ) |
| { |
| return readBytes(aData, nMaxBytesToRead); |
| } |
| |
| uno::Any InputStream::queryInterface( const uno::Type &type ) throw( uno::RuntimeException ) |
| { |
| uno::Any aRet = ::cppu::queryInterface ( type, |
| static_cast< XInputStream * >( this ) ); |
| |
| return aRet.hasValue() ? aRet : Seekable::queryInterface( type ); |
| } |
| |
| } |