| /* |
| * Copyright 2002-2005 The Apache Software Foundation. |
| * |
| * Licensed 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. |
| */ |
| |
| /* |
| * XSEC |
| * |
| * TXFMURL := Class that takes an input URL to start of a transform pipe |
| * |
| * $Id$ |
| * |
| */ |
| |
| #include <xsec/transformers/TXFMURL.hpp> |
| #include <xsec/framework/XSECError.hpp> |
| |
| // To catch exceptions |
| |
| #include <xercesc/util/XMLNetAccessor.hpp> |
| |
| XERCES_CPP_NAMESPACE_USE |
| |
| // General includes |
| |
| #include <stdlib.h> |
| |
| TXFMURL::TXFMURL(DOMDocument *doc, XSECURIResolver * resolver) : TXFMBase(doc) { |
| |
| is = NULL; // To ensure later able to delete if not used properly |
| |
| mp_resolver = resolver; |
| |
| done = false; |
| } |
| |
| |
| TXFMURL::~TXFMURL() { |
| |
| if (is != NULL) |
| delete is; |
| } |
| |
| // Methods to set the inputs |
| |
| void TXFMURL::setInput(TXFMBase *newInput) { |
| |
| // Not possible as this needs to be the start of a tranform pipe |
| |
| return; |
| |
| } |
| |
| void TXFMURL::setInput(const XMLCh * URL) { |
| |
| // Assume we have already checked that this is a valid URL |
| |
| |
| if (mp_resolver != NULL) |
| is = mp_resolver->resolveURI(URL); |
| |
| if (is == NULL) { |
| |
| throw XSECException(XSECException::ErrorOpeningURI, |
| "An error occurred in TXFMURL when resolving URL"); |
| |
| } |
| |
| } |
| |
| void TXFMURL::setInput(BinInputStream * inputStream) { |
| |
| if (is != NULL) |
| delete is; |
| |
| is = inputStream; |
| |
| } |
| |
| // Methods to get tranform output type and input requirement |
| |
| TXFMBase::ioType TXFMURL::getInputType(void) { |
| |
| return TXFMBase::BYTE_STREAM; |
| |
| } |
| |
| TXFMBase::ioType TXFMURL::getOutputType(void) { |
| |
| return TXFMBase::BYTE_STREAM; |
| |
| } |
| |
| TXFMBase::nodeType TXFMURL::getNodeType(void) { |
| |
| return TXFMBase::DOM_NODE_NONE; |
| |
| } |
| |
| |
| // Methods to get output data |
| |
| unsigned int TXFMURL::readBytes(XMLByte * const toFill, unsigned int maxToFill) { |
| |
| XSEC_USING_XERCES(NetAccessorException); |
| |
| // Simply read in from the input stream |
| |
| unsigned int ret; |
| |
| if (done || is == NULL) return 0; |
| |
| try { |
| ret = is->readBytes(toFill, maxToFill); |
| } |
| catch (NetAccessorException e) { |
| |
| // Naieve - but assume this means the socket has closed (end of stream) |
| ret = 0; |
| |
| } |
| |
| //if (ret < maxToFill) |
| if (ret <= 0) |
| done = true; |
| |
| return ret; |
| |
| } |
| |
| DOMDocument *TXFMURL::getDocument() { |
| |
| return NULL; |
| |
| }; |
| |
| DOMNode *TXFMURL::getFragmentNode() { |
| |
| return NULL; |
| |
| }; |
| |
| const XMLCh * TXFMURL::getFragmentId() { |
| |
| return NULL; // Empty string |
| |
| } |