| /* |
| * 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 "FilterInputStream.h" |
| |
| #include <decaf/io/InputStream.h> |
| #include <decaf/lang/exceptions/NullPointerException.h> |
| |
| using namespace decaf; |
| using namespace decaf::io; |
| using namespace decaf::lang; |
| using namespace decaf::lang::exceptions; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| FilterInputStream::FilterInputStream(InputStream* inputStream, bool own) : |
| InputStream(), inputStream(inputStream), own(own), closed(inputStream == NULL ? true : false) { |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| FilterInputStream::~FilterInputStream() { |
| |
| try { |
| this->close(); |
| } |
| DECAF_CATCHALL_NOTHROW() |
| |
| try { |
| if (own) { |
| delete inputStream; |
| } |
| inputStream = NULL; |
| } |
| DECAF_CATCHALL_NOTHROW() |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int FilterInputStream::available() const { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterInputStream::available - Stream is closed"); |
| } |
| |
| return inputStream->available(); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterInputStream::close() { |
| |
| try { |
| if (!closed && inputStream != NULL) { |
| inputStream->close(); |
| } |
| this->closed = true; |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterInputStream::mark(int readLimit) { |
| try { |
| if (!isClosed()) { |
| inputStream->mark(readLimit); |
| } |
| } |
| DECAF_CATCHALL_NOTHROW() |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void FilterInputStream::reset() { |
| try { |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterInputStream::reset - Stream is closed"); |
| } |
| |
| return inputStream->reset(); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool FilterInputStream::markSupported() const { |
| try { |
| if (!isClosed()) { |
| return inputStream->markSupported(); |
| } |
| } |
| DECAF_CATCHALL_NOTHROW() |
| return false; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| long long FilterInputStream::skip(long long num) { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterInputStream::skip - Stream is closed"); |
| } |
| |
| return inputStream->skip(num); |
| } |
| DECAF_CATCH_RETHROW(UnsupportedOperationException) |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int FilterInputStream::doReadByte() { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterInputStream::doReadByte - Stream is closed"); |
| } |
| |
| return inputStream->read(); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int FilterInputStream::doReadArray(unsigned char* buffer, int size) { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterInputStream::doReadArray - Stream is closed"); |
| } |
| |
| return doReadArrayBounded(buffer, size, 0, size); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCH_RETHROW(NullPointerException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int FilterInputStream::doReadArrayBounded(unsigned char* buffer, int size, int offset, int length) { |
| |
| try { |
| |
| if (isClosed()) { |
| throw IOException(__FILE__, __LINE__, "FilterInputStream::doReadArrayBounded - Stream is closed"); |
| } |
| |
| return inputStream->read(buffer, size, offset, length); |
| } |
| DECAF_CATCH_RETHROW(IOException) |
| DECAF_CATCH_RETHROW(NullPointerException) |
| DECAF_CATCH_RETHROW(IndexOutOfBoundsException) |
| DECAF_CATCHALL_THROW(IOException) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| bool FilterInputStream::isClosed() const { |
| return this->closed || this->inputStream == NULL; |
| } |