/**
* ProcessFromHref first tries to create an {@link URL} from the given <code>href</code>,
* if that throws a {@link MalformedURLException}, it will prepend the given
* root URLs to <code>href</code> until a valid URL is found.<br />If by then there is
* no valid url found, this method will see if the given <code>href</code> is a valid file
* and can read it.<br />If it's not a valid file or a file that can't be read,
* the given root directories will be set as root path with the given <code>href</code> as
* file path until a valid file has been found.
*/
virtual public void ProcessFromHref(String href, IReadingProcessor processor)
{
if (LOGGER.IsLogging(Level.DEBUG))
{
LOGGER.Debug(String.Format(LocaleMessages.GetInstance().GetMessage("retrieve.file.from"), href));
}
Uri url = null;
bool isfile = false;
string f = href;
try {
url = new Uri(href);
} catch (UriFormatException) {
try {
url = DetectWithRootUrls(href);
} catch (UriFormatException) {
// its probably a file, try to detect it.
isfile = true;
if (!(File.Exists(href)))
{
isfile = false;
foreach (string root in rootdirs)
{
f = Path.Combine(root, href);
if (File.Exists(f))
{
isfile = true;
break;
}
}
}
}
}
Stream inp = null;
if (null != url)
{
WebRequest w = WebRequest.Create(url);
try {
inp = w.GetResponse().GetResponseStream();
} catch (WebException) {
throw new IOException(LocaleMessages.GetInstance().GetMessage("retrieve.file.from.nothing"));
}
}
else if (isfile)
{
inp = new FileStream(f, FileMode.Open, FileAccess.Read, FileShare.Read);
}
else
{
throw new IOException(LocaleMessages.GetInstance().GetMessage("retrieve.file.from.nothing"));
}
Read(processor, inp);
}
/**
* @param processor
* @param in
* @throws IOException
*/
private void Read(IReadingProcessor processor, Stream inp)
{
try {
int inbit = -1;
while ((inbit = inp.ReadByte()) != -1)
{
processor.Process(inbit);
}
} catch (IOException e) {
throw e;
} finally {
try {
if (null != inp)
{
inp.Close();
}
} catch (IOException e) {
throw new RuntimeWorkerException(e);
}
}
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.net.FileRetrieve#processFromStream(java.io.Stream, com.itextpdf.tool.xml.net.ReadingProcessor)
*/
public void ProcessFromStream(Stream inp, IReadingProcessor processor)
{
Read(processor, inp);
}
/**
* @param processor
* @param in
* @throws IOException
*/
private void Read(IReadingProcessor processor, Stream inp) {
try {
int inbit = -1;
while ((inbit = inp.ReadByte()) != -1) {
processor.Process(inbit);
}
} catch (IOException e) {
throw e;
} finally {
try {
if (null != inp) {
inp.Close();
}
} catch (IOException e) {
throw new RuntimeWorkerException(e);
}
}
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.net.FileRetrieve#processFromStream(java.io.Stream, com.itextpdf.tool.xml.net.ReadingProcessor)
*/
public void ProcessFromStream(Stream inp, IReadingProcessor processor) {
Read(processor, inp);
}
/**
* ProcessFromHref first tries to create an {@link URL} from the given <code>href</code>,
* if that throws a {@link MalformedURLException}, it will prepend the given
* root URLs to <code>href</code> until a valid URL is found.<br />If by then there is
* no valid url found, this method will see if the given <code>href</code> is a valid file
* and can read it.<br />If it's not a valid file or a file that can't be read,
* the given root directories will be set as root path with the given <code>href</code> as
* file path until a valid file has been found.
*/
public void ProcessFromHref(String href, IReadingProcessor processor) {
if (LOGGER.IsLogging(Level.DEBUG)) {
LOGGER.Debug(String.Format(LocaleMessages.GetInstance().GetMessage("retrieve.file.from"), href));
}
Uri url = null;
bool isfile = false;
string f = href;
try {
url = new Uri(href);
} catch (UriFormatException) {
try {
url = DetectWithRootUrls(href);
} catch (UriFormatException) {
// its probably a file, try to detect it.
isfile = true;
if (!(File.Exists(href))) {
isfile = false;
foreach (string root in rootdirs) {
f = Path.Combine(root, href);
if (File.Exists(f)) {
isfile = true;
break;
}
}
}
}
}
Stream inp = null;
if (null != url) {
WebRequest w = WebRequest.Create(url);
try {
inp = w.GetResponse().GetResponseStream();
} catch (WebException) {
throw new IOException(LocaleMessages.GetInstance().GetMessage("retrieve.file.from.nothing"));
}
} else if (isfile) {
inp = new FileStream(f, FileMode.Open, FileAccess.Read, FileShare.Read);
} else {
throw new IOException(LocaleMessages.GetInstance().GetMessage("retrieve.file.from.nothing"));
}
Read(processor, inp);
}
