| /* |
| * 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/inputstreamreader.h> |
| #include <log4cxx/helpers/exception.h> |
| #include <log4cxx/helpers/pool.h> |
| #include <log4cxx/helpers/bytebuffer.h> |
| |
| #include <cstdio> |
| #include <cstring> |
| |
| using namespace log4cxx; |
| using namespace log4cxx::helpers; |
| |
| IMPLEMENT_LOG4CXX_OBJECT(InputStreamReader) |
| |
| InputStreamReader::InputStreamReader(const InputStreamPtr& in1) |
| : in(in1), dec(CharsetDecoder::getDefaultDecoder()) |
| { |
| if (in1 == 0) |
| { |
| throw NullPointerException(LOG4CXX_STR("in parameter may not be null.")); |
| } |
| } |
| |
| InputStreamReader::InputStreamReader(const InputStreamPtr& in1, const CharsetDecoderPtr& dec1) |
| : in(in1), dec(dec1) |
| { |
| if (in1 == 0) |
| { |
| throw NullPointerException(LOG4CXX_STR("in parameter may not be null.")); |
| } |
| |
| if (dec1 == 0) |
| { |
| throw NullPointerException(LOG4CXX_STR("dec parameter may not be null.")); |
| } |
| } |
| |
| InputStreamReader::~InputStreamReader() |
| { |
| } |
| |
| void InputStreamReader::close(Pool& ) |
| { |
| in->close(); |
| } |
| |
| LogString InputStreamReader::read(Pool& p) |
| { |
| const size_t BUFSIZE = 4096; |
| ByteBuffer buf(p.pstralloc(BUFSIZE), BUFSIZE); |
| LogString output; |
| |
| // read whole file |
| while (in->read(buf) >= 0) |
| { |
| buf.flip(); |
| log4cxx_status_t stat = dec->decode(buf, output); |
| |
| if (stat != 0) |
| { |
| throw IOException(stat); |
| } |
| |
| if (buf.remaining() > 0) |
| { |
| memmove(buf.data(), buf.current(), buf.remaining()); |
| buf.limit(buf.remaining()); |
| } |
| else |
| { |
| buf.clear(); |
| } |
| } |
| |
| return output; |
| } |