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/*
* 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 <string.h>
#include <log4cxx/logstring.h>
#include <log4cxx/helpers/inputstreamreader.h>
#include <log4cxx/helpers/exception.h>
#include <log4cxx/helpers/pool.h>
#include <log4cxx/helpers/bytebuffer.h>
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;
}
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