| /* |
| * 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 "FilterOutputStream.h" |
| |
| #include <decaf/io/OutputStream.h> |
| #include <decaf/lang/exceptions/NullPointerException.h> |
| |
| #include <typeinfo> |
| |
| using namespace decaf; |
| using namespace decaf::io; |
| using namespace decaf::lang; |
| using namespace decaf::lang::exceptions; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| FilterOutputStream::FilterOutputStream(OutputStream* outputStream, bool own) : |
| OutputStream(), outputStream(outputStream), own(own), closed(outputStream == NULL ? true : false) { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| FilterOutputStream::~FilterOutputStream() { |
| try { |
| this->close(); |
| } |
| DECAF_CATCHALL_NOTHROW() |
| |
| try { |
| if (own) { |
| delete outputStream; |
| } |
| outputStream = NULL; |
| } |
| DECAF_CATCHALL_NOTHROW() |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterOutputStream::doWriteByte(unsigned char c) { |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterOutputStream::write - Stream is closed"); |
| } |
| |
| this->outputStream->write(c); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterOutputStream::doWriteArray(const unsigned char* buffer, int size) { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterOutputStream::write - Stream is closed"); |
| } |
| |
| this->doWriteArrayBounded(buffer, size, 0, size); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCH_RETHROW(NullPointerException) |
| DECAF_CATCH_RETHROW(IndexOutOfBoundsException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterOutputStream::doWriteArrayBounded(const unsigned char* buffer, int size, int offset, int length) { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterOutputStream::write - Stream is closed"); |
| } |
| |
| if (buffer == NULL) { |
| throw decaf::lang::exceptions::NullPointerException(__FILE__, __LINE__, "FilterOutputStream::write - Buffer passed is Null."); |
| } |
| |
| if (size < 0) { |
| throw IndexOutOfBoundsException(__FILE__, __LINE__, "size parameter out of Bounds: %d.", size); |
| } |
| |
| if (offset > size || offset < 0) { |
| throw IndexOutOfBoundsException(__FILE__, __LINE__, "offset parameter out of Bounds: %d.", offset); |
| } |
| |
| if (length < 0 || length > size - offset) { |
| throw IndexOutOfBoundsException(__FILE__, __LINE__, "length parameter out of Bounds: %d.", length); |
| } |
| |
| // Calls the doWriteByte method since subclasses may over override that method. |
| for (int ix = offset; ix < offset + length; ++ix) { |
| this->doWriteByte(buffer[ix]); |
| } |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCH_RETHROW(NullPointerException) |
| DECAF_CATCH_RETHROW(IndexOutOfBoundsException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterOutputStream::flush() { |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterOutputStream::flush - Stream is closed"); |
| } |
| |
| this->outputStream->flush(); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterOutputStream::close() { |
| try { |
| if (!this->closed && this->outputStream != NULL) { |
| this->outputStream->flush(); |
| this->outputStream->close(); |
| } |
| this->closed = true; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::string FilterOutputStream::toString() const { |
| |
| if (this->outputStream != NULL) { |
| return this->outputStream->toString(); |
| } |
| |
| return typeid(this).name(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool FilterOutputStream::isClosed() const { |
| return this->closed || this->outputStream == NULL; |
| } |