private static IContentType getContentType(ITypedElement element) {
if (element == null) return null;
String name = element.getName();
IContentType ct = null;
if (element instanceof IStreamContentAccessor) {
IStreamContentAccessor isa = (IStreamContentAccessor) element;
try {
InputStream is = isa.getContents();
if (is != null) {
InputStream bis = new BufferedInputStream(is);
try {
ct = fgContentTypeManager.findContentTypeFor(is, name);
} catch (IOException e) {
// silently ignored
} finally {
try {
bis.close();
} catch (IOException e2) {
// silently ignored
}
}
}
} catch (CoreException e1) {
// silently ignored
}
}
if (ct == null) ct = fgContentTypeManager.findContentTypeFor(name);
return ct;
}
/*
* Guesses the file type of the given input.
* Returns ITypedElement.TEXT_TYPE if none of the first 10 lines is longer than 1000 bytes.
* Returns ITypedElement.UNKNOWN_TYPE otherwise.
* Returns <code>null</code> if the input isn't an <code>IStreamContentAccessor</code>.
*/
private static String guessType(ITypedElement input) {
if (input instanceof IStreamContentAccessor) {
IStreamContentAccessor sca = (IStreamContentAccessor) input;
InputStream is = null;
try {
is = sca.getContents();
if (is == null) return null;
int lineLength = 0;
int lines = 0;
while (lines < 10) {
int c = is.read();
if (c == -1) // EOF
break;
if (c == '\n' || c == '\r') { // reset line length
lineLength = 0;
lines++;
} else lineLength++;
if (lineLength > 1000) return ITypedElement.UNKNOWN_TYPE;
}
return ITypedElement.TEXT_TYPE;
} catch (CoreException ex) {
// be silent and return UNKNOWN_TYPE
} catch (IOException ex) {
// be silent and return UNKNOWN_TYPE
} finally {
if (is != null) {
try {
is.close();
} catch (IOException ex) {
// silently ignored
}
}
}
return ITypedElement.UNKNOWN_TYPE;
}
return null;
}
public static String readString(IStreamContentAccessor sa) throws CoreException {
InputStream is = sa.getContents();
if (is != null) {
String encoding = null;
if (sa instanceof IEncodedStreamContentAccessor) {
try {
encoding = ((IEncodedStreamContentAccessor) sa).getCharset();
} catch (Exception e) {
}
}
if (encoding == null) encoding = ResourcesPlugin.getEncoding();
return readString(is, encoding);
}
return null;
}