1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161
|
/**
* 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.
*/
/*
* XSEC
*
* TXFMURL := Class that takes an input URL to start of a transform pipe
*
* $Id: TXFMURL.cpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#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 = (unsigned int) 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
}
|