| /* |
| * 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 "ByteArrayOutputStream.h" |
| #include <algorithm> |
| |
| using namespace std; |
| using namespace decaf; |
| using namespace decaf::io; |
| using namespace decaf::lang; |
| using namespace decaf::lang::exceptions; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| ByteArrayOutputStream::ByteArrayOutputStream() { |
| activeBuffer = &defaultBuffer; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| ByteArrayOutputStream::ByteArrayOutputStream( vector<unsigned char>& buffer) { |
| setBuffer( buffer ); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ByteArrayOutputStream::setBuffer( vector<unsigned char>& buffer) { |
| activeBuffer = &buffer; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ByteArrayOutputStream::reset() throw ( IOException ) { |
| // Empty the contents of the buffer to the output stream. |
| activeBuffer->clear(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ByteArrayOutputStream::write( unsigned char c ) |
| throw ( IOException ) { |
| activeBuffer->push_back( c ); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ByteArrayOutputStream::write( const std::vector<unsigned char>& buffer ) |
| throw ( IOException ) { |
| |
| try{ |
| |
| if( buffer.empty() ) { |
| return; |
| } |
| |
| this->write( &buffer[0], 0, buffer.size() ); |
| } |
| DECAF_CATCH_RETHROW( IOException ) |
| DECAF_CATCHALL_THROW( IOException ) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ByteArrayOutputStream::write( const unsigned char* buffer, |
| std::size_t offset, |
| std::size_t len ) |
| throw ( IOException, lang::exceptions::NullPointerException ) { |
| |
| if( buffer == NULL ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "ByteArrayOutputStream::write - passed buffer is null" ); |
| } |
| |
| std::back_insert_iterator< std::vector<unsigned char> > iter( *activeBuffer ); |
| std::copy( buffer + offset, buffer + offset + len, iter ); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::string ByteArrayOutputStream::toString() const { |
| |
| if( this->activeBuffer->empty() ) { |
| return ""; |
| } |
| |
| return string( (const char*)this->toByteArray(), this->size() ); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void ByteArrayOutputStream::writeTo( OutputStream* out ) const |
| throw ( IOException, lang::exceptions::NullPointerException ) { |
| |
| try{ |
| |
| if( this->size() == 0 ) { |
| return; |
| } |
| |
| if( out == NULL ) { |
| throw NullPointerException( |
| __FILE__, __LINE__, |
| "ByteArrayOutputStream::writeTo - Passed stream pointer is null" ); |
| } |
| |
| out->write( this->toByteArray(), 0, this->size() ); |
| } |
| DECAF_CATCH_RETHROW( IOException ) |
| DECAF_CATCH_RETHROW( NullPointerException ) |
| DECAF_CATCHALL_THROW( IOException ) |
| } |