| /* |
| * 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 <log4cxx/logstring.h> |
| #include <log4cxx/helpers/fileinputstream.h> |
| #include <log4cxx/helpers/exception.h> |
| #include <log4cxx/helpers/bytebuffer.h> |
| #include <apr_file_io.h> |
| #include <log4cxx/helpers/transcoder.h> |
| #if !defined(LOG4CXX) |
| #define LOG4CXX 1 |
| #endif |
| #include <log4cxx/helpers/aprinitializer.h> |
| |
| using namespace LOG4CXX_NS; |
| using namespace LOG4CXX_NS::helpers; |
| |
| struct FileInputStream::FileInputStreamPrivate |
| { |
| FileInputStreamPrivate() : fileptr(nullptr) {} |
| |
| Pool pool; |
| apr_file_t* fileptr; |
| }; |
| |
| IMPLEMENT_LOG4CXX_OBJECT(FileInputStream) |
| |
| FileInputStream::FileInputStream(const LogString& filename) : |
| m_priv(std::make_unique<FileInputStreamPrivate>()) |
| { |
| open(filename); |
| } |
| |
| FileInputStream::FileInputStream(const logchar* filename) : |
| m_priv(std::make_unique<FileInputStreamPrivate>()) |
| { |
| LogString fn(filename); |
| open(fn); |
| } |
| |
| |
| void FileInputStream::open(const LogString& filename) |
| { |
| apr_fileperms_t perm = APR_OS_DEFAULT; |
| apr_int32_t flags = APR_READ; |
| apr_status_t stat = openFile(File(filename) , &m_priv->fileptr, flags, perm, m_priv->pool); |
| |
| if (stat != APR_SUCCESS) |
| { |
| throw IOException(stat); |
| } |
| } |
| |
| |
| FileInputStream::FileInputStream(const File& aFile) : |
| m_priv(std::make_unique<FileInputStreamPrivate>()) |
| { |
| apr_fileperms_t perm = APR_OS_DEFAULT; |
| apr_int32_t flags = APR_READ; |
| apr_status_t stat = openFile(aFile, &m_priv->fileptr, flags, perm, m_priv->pool); |
| |
| if (stat != APR_SUCCESS) |
| { |
| throw IOException(stat); |
| } |
| } |
| |
| |
| FileInputStream::~FileInputStream() |
| { |
| if (m_priv->fileptr != NULL && !APRInitializer::isDestructed) |
| { |
| apr_file_close(m_priv->fileptr); |
| } |
| } |
| |
| |
| void FileInputStream::close() |
| { |
| apr_status_t stat = apr_file_close(m_priv->fileptr); |
| |
| if (stat == APR_SUCCESS) |
| { |
| m_priv->fileptr = NULL; |
| } |
| else |
| { |
| throw IOException(stat); |
| } |
| } |
| |
| |
| int FileInputStream::read(ByteBuffer& buf) |
| { |
| apr_size_t bytesRead = buf.remaining(); |
| apr_status_t stat = apr_file_read(m_priv->fileptr, buf.current(), &bytesRead); |
| int retval = -1; |
| |
| if (!APR_STATUS_IS_EOF(stat)) |
| { |
| if (stat != APR_SUCCESS) |
| { |
| throw IOException(stat); |
| } |
| |
| buf.position(buf.position() + bytesRead); |
| retval = (int)bytesRead; |
| } |
| |
| return retval; |
| } |