/*
* Utilise le CatalogResolver d'Apache pour r?soudre des URI en URL
*/
protected static URL resoudreURI(final URL schemadir, final String uri)
throws MalformedURLException, TransformerException {
if (uri == null) return (null);
if (uri.startsWith("http://")) return (new URL(uri));
else if (schemadir != null && !uri.startsWith("urn:"))
return (new URL(schemadir.toExternalForm() + "/" + uri));
else {
final URIResolver resolver = Jaxe.getURIResolver();
if (resolver != null) {
Source src;
if (schemadir != null) src = resolver.resolve(uri, schemadir.toString());
else src = resolver.resolve(uri, null);
final URL surl = new URL(src.getSystemId());
try {
// pour ?viter un bug de CatalogResolver qui n'encode pas l'URI correctement...
final URI suri =
new URI(surl.getProtocol(), surl.getHost(), surl.getPath(), surl.getQuery(), null);
return (suri.toURL());
} catch (URISyntaxException ex) {
LOG.error("resolveURI", ex);
return (surl);
} catch (MalformedURLException ex) {
LOG.error("resolveURI", ex);
return (surl);
}
} else return (new URL(uri));
}
}
/** Opens a relative path. */
private Source getSource(String href, String base) throws Exception {
Path subpath;
if (href == null) href = "";
if (base == null) base = "/";
if (_uriResolver != null) {
if (href.startsWith("/") || base.equals("/")) subpath = getSearchPath().lookup(href);
else {
subpath = getSearchPath().lookup(base).getParent().lookup(href);
}
Source source = _uriResolver.resolve(href, base);
if (source != null) {
if (source.getSystemId() == null) source.setSystemId(subpath.getURL());
return source;
}
}
if (href.startsWith("/") || base.equals("/")) subpath = getSearchPath().lookup(href);
else {
if (base.startsWith("file:")) base = base.substring(5);
subpath = getSearchPath().lookup(base).getParent().lookup(href);
}
return new StreamSource(subpath.getURL());
}
/**
* Converts a String parameter to a JAXP Source object.
*
* @param param a String parameter
* @return Source the generated Source object
*/
protected Source convertString2Source(String param) {
Source src;
try {
src = uriResolver.resolve(param, null);
} catch (TransformerException e) {
src = null;
}
if (src == null) {
src = new StreamSource(new File(param));
}
return src;
}
Path lookupPath(String base, String href) throws TransformerException {
if (_uriResolver != null) {
Source source = _uriResolver.resolve(href, base);
if (source != null) {
String systemId = source.getSystemId();
if (systemId != null) return getSearchPath().lookup(systemId);
}
}
return getSearchPath().lookup(base).lookup(href);
}
/** Opens a relative path. */
ReadStream openPath(String href, String base) throws TransformerException, IOException {
if (_uriResolver != null) {
Source source = _uriResolver.resolve(href, base);
if (source != null) return openPath(source);
}
if (href.startsWith("/") || base.equals("/")) return getSearchPath().lookup(href).openRead();
else {
Path path = getSearchPath().lookup(base).getParent().lookup(href);
if (path.exists()) return path.openRead();
else return getSearchPath().lookup(href).openRead();
}
}
/**
* This will be called by the processor when it encounters an xsl:include, xsl:import, or
* document() function.
*
* @param base The base URI that should be used.
* @param urlString Value from an xsl:import or xsl:include's href attribute, or a URI specified
* in the document() function.
* @return a Source that can be used to process the resource.
* @throws IOException
* @throws TransformerException
*/
public Source resolveURI(String base, String urlString, SourceLocator locator)
throws TransformerException, IOException {
Source source = null;
if (null != m_uriResolver) {
source = m_uriResolver.resolve(urlString, base);
}
if (null == source) {
String uri = SystemIDResolver.getAbsoluteURI(urlString, base);
source = new StreamSource(uri);
}
return source;
}
/**
* Insert the text of the file into the result tree
*
* <p>Processing this element inserts the contents of the URL named by the href attribute into the
* result tree as plain text.
*
* <p>Optional encoding attribute can specify encoding of resource. If not specified default
* system encoding is used.
*/
public void process(Context context) throws TransformerException {
Outputter out = context.getOutputter();
String hrefAtt = getAttribute("href");
Expression hrefExpr = makeAttributeValueTemplate(hrefAtt);
String href = hrefExpr.evaluateAsString(context);
String encodingAtt = getAttribute("encoding");
Expression encodingExpr = makeAttributeValueTemplate(encodingAtt);
String encoding = encodingExpr.evaluateAsString(context);
String baseURI = context.getContextNodeInfo().getBaseURI();
URIResolver resolver = context.getController().getURIResolver();
if (resolver != null) {
Source source = resolver.resolve(href, baseURI);
href = source.getSystemId();
}
URL baseURL = null;
URL fileURL = null;
try {
baseURL = new URL(baseURI);
} catch (MalformedURLException e0) {
// what the!?
baseURL = null;
}
try {
try {
fileURL = new URL(baseURL, href);
} catch (MalformedURLException e1) {
try {
fileURL = new URL(baseURL, "file:" + href);
} catch (MalformedURLException e2) {
System.out.println("Cannot open " + href);
return;
}
}
InputStreamReader isr = null;
if (encoding.equals("") == true) isr = new InputStreamReader(fileURL.openStream());
else isr = new InputStreamReader(fileURL.openStream(), encoding);
BufferedReader is = new BufferedReader(isr);
final int BUFFER_SIZE = 4096;
char chars[] = new char[BUFFER_SIZE];
char nchars[] = new char[BUFFER_SIZE];
int len = 0;
int i = 0;
int carry = -1;
while ((len = is.read(chars)) > 0) {
// various new lines are normalized to LF to prevent blank lines
// between lines
int nlen = 0;
for (i = 0; i < len; i++) {
// is current char CR?
if (chars[i] == '\r') {
if (i < (len - 1)) {
// skip it if next char is LF
if (chars[i + 1] == '\n') continue;
// single CR -> LF to normalize MAC line endings
nchars[nlen] = '\n';
nlen++;
continue;
} else {
// if CR is last char of buffer we must look ahead
carry = is.read();
nchars[nlen] = '\n';
nlen++;
if (carry == '\n') {
carry = -1;
}
break;
}
}
nchars[nlen] = chars[i];
nlen++;
}
out.writeContent(nchars, 0, nlen);
// handle look aheaded character
if (carry != -1) out.writeContent(String.valueOf((char) carry));
carry = -1;
}
is.close();
} catch (Exception e) {
System.out.println("Cannot read " + href);
}
}
