Hi,
I am trying to use ANTLR and StringTemplate to write an eclipse plugin that
does language transformation. I have a view that takes the text from an
editor and puts the output in another textbox. The problem is that within
the plugin, I don't have access to the template file (EvalPolicy.stg below)
directly. I can get an IFile and read from it but it isn't compatible with
the FileReader and so, I can't pass it to the StringTemplateGroup.
groupFileR = new FileReader(FILEPATH);
StringTemplateGroup templates = new StringTemplateGroup(groupFileR);
// doesn't work because FILEPATH is within a jar etc etc.
I tried reading the whole file in the string and then passing it to the
constructor of StringTemplateGroup but I get the error:
Can't find template policyType.st; group hierarchy is [group EvalPolicy;
showType(type) ::= "something type <type>"
policyType(ptype) ::= <<
<ptype>
>>
Here's what I have in the plugin code
Bundle bundle = Platform.getBundle("ape");
Path path = new Path("src/EvalPolicy.stg");
URL fileURL = FileLocator.find(bundle, path, null);
InputStream is = null;
try {
is = fileURL.openStream();
} catch (IOException e2) {
// TODO Auto-generated catch block
e2.printStackTrace();
}
StringBuilder sb = new StringBuilder();
String line;
try {
BufferedReader reader = new BufferedReader(
new InputStreamReader(is));
while ((line = reader.readLine()) != null) {
sb.append(line).append("\n");
}
is.close();
} catch (IOException e) {
e.printStackTrace();
}
strTemplateGroup = sb.toString();
StringTemplateGroup templates = new StringTemplateGroup(strTemplateGroup);
So, is it possible to create a FileReader through an IFile? If not, how can
I properly pass the string to the overloaded StringTemplateGroup(String)
constructor?
Thanks for the help,
Nauman
PhD Candidate
University of Peshawar
Peshawar, Pakistan
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