@Override
public Expr inline(final QueryContext qc, final VarScope scp, final Var var, final Expr ex)
throws QueryException {
boolean change = false;
try {
final Expr sub = expr.inline(qc, scp, var, ex);
if (sub != null) {
if (sub.isValue()) return optPre(sub, qc);
expr = sub;
change = true;
}
} catch (final QueryException qe) {
if (!qe.isCatchable()) throw qe;
for (final Catch c : catches) {
if (c.matches(qe)) {
// found a matching clause, inline variable and error message
final Catch nw = c.inline(qc, scp, var, ex);
return optPre((nw == null ? c : nw).asExpr(qe, qc, scp), qc);
}
}
throw qe;
}
for (final Catch c : catches) change |= c.inline(qc, scp, var, ex) != null;
return change ? this : null;
}
/**
* Processes the HTTP request. Parses new modules and discards obsolete ones.
*
* @param http HTTP context
* @throws Exception exception
*/
void process(final HTTPContext http) throws Exception {
try {
module.process(http, this);
} catch (final QueryException ex) {
if (ex.file() == null) ex.info(function.info);
throw ex;
}
}
@Override
public Value value(final QueryContext qc) throws QueryException {
// don't catch errors from error handlers
try {
return qc.value(expr);
} catch (final QueryException ex) {
if (!ex.isCatchable()) throw ex;
for (final Catch c : catches) if (c.matches(ex)) return c.value(qc, ex);
throw ex;
}
}
@Override
public Expr compile(final QueryContext qc, final VarScope scp) throws QueryException {
try {
super.compile(qc, scp);
if (expr.isValue()) return optPre(expr, qc);
} catch (final QueryException ex) {
if (!ex.isCatchable()) throw ex;
for (final Catch c : catches) {
if (c.matches(ex)) {
// found a matching clause, compile and inline error message
return optPre(c.compile(qc, scp).asExpr(ex, qc, scp), qc);
}
}
throw ex;
}
for (final Catch c : catches) c.compile(qc, scp);
return optimize(qc, scp);
}
/**
* Refreshes the view after a file has been saved.
*
* @param root root directory
* @param ctx database context
* @throws InterruptedException interruption
*/
void parse(final IOFile root, final Context ctx) throws InterruptedException {
final long id = ++parseId;
final HashSet<String> parsed = new HashSet<>();
final TreeMap<String, InputInfo> errs = new TreeMap<>();
// collect files to be parsed
final ProjectCache pc = cache(root);
final StringList mods = new StringList(), lmods = new StringList();
for (final String path : pc) {
final IOFile file = new IOFile(path);
if (file.hasSuffix(IO.XQSUFFIXES)) (file.hasSuffix(IO.XQMSUFFIX) ? lmods : mods).add(path);
}
mods.add(lmods);
// parse modules
for (final String path : mods) {
if (id != parseId) throw new InterruptedException();
if (parsed.contains(path)) continue;
final IOFile file = new IOFile(path);
try (final TextInput ti = new TextInput(file)) {
// parse query
try (final QueryContext qc = new QueryContext(ctx)) {
final String input = ti.cache().toString();
final boolean lib = QueryProcessor.isLibrary(input);
qc.parse(input, lib, path, null);
// parsing was successful: remember path
parsed.add(path);
for (final byte[] mod : qc.modParsed) parsed.add(Token.string(mod));
} catch (final QueryException ex) {
// parsing failed: remember path
final InputInfo ii = ex.info();
errs.put(path, ii);
parsed.add(ii.path());
}
} catch (final IOException ex) {
// file may not be accessible
Util.debug(ex);
}
}
errors = errs;
}
/**
* Tests if errors are thrown when some mandatory attributes are missing in a <http:request/>,
* <http:body/> or <http:multipart/>.
*
* @throws IOException I/O Exception
*/
@Test
public void errors() throws IOException {
// Incorrect requests
final List<byte[]> falseReqs = new ArrayList<>();
// Request without method
final byte[] falseReq1 =
token(
"<http:request "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "href='"
+ REST_ROOT
+ "'/>");
falseReqs.add(falseReq1);
// Request with send-authorization and no credentials
final byte[] falseReq2 =
token(
"<http:request "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "method='GET' href='"
+ REST_ROOT
+ "' "
+ "send-authorization='true'/>");
falseReqs.add(falseReq2);
// Request with send-authorization and only username
final byte[] falseReq3 =
token(
"<http:request "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "method='GET' href='"
+ REST_ROOT
+ "' "
+ "send-authorization='true' username='******'/>");
falseReqs.add(falseReq3);
// Request with body that has no media-type
final byte[] falseReq4 =
token(
"<http:request "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "method='POST' href='"
+ REST_ROOT
+ "'>"
+ "<http:body>"
+ "</http:body>"
+ "</http:request>");
falseReqs.add(falseReq4);
// Request with multipart that has no media-type
final byte[] falseReq5 =
token(
"<http:request method='POST' "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "href='"
+ REST_ROOT
+ "'>"
+ "<http:multipart boundary='xxx'>"
+ "</http:multipart>"
+ "</http:request>");
falseReqs.add(falseReq5);
// Request with multipart with part that has a body without media-type
final byte[] falseReq6 =
token(
"<http:request method='POST' "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "href='"
+ REST_ROOT
+ "'>"
+ "<http:multipart boundary='xxx'>"
+ "<http:header name='hdr1' value-='val1'/>"
+ "<http:body media-type='text/plain'>"
+ "Part1"
+ "</http:body>"
+ "<http:header name='hdr1' value-='val1'/>"
+ "<http:body>"
+ "Part1"
+ "</http:body>"
+ "</http:multipart>"
+ "</http:request>");
falseReqs.add(falseReq6);
// Request with schema different from http
final byte[] falseReq7 =
token(
"<http:request "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "href='ftp://basex.org'/>");
falseReqs.add(falseReq7);
// Request with content and method which must be empty
final byte[] falseReq8 =
token(
"<http:request "
+ "xmlns:http='http://expath.org/ns/http-client' "
+ "method='DELETE' href='"
+ REST_ROOT
+ "'>"
+ "<http:body media-type='text/plain'>"
+ "</http:body>"
+ "</http:request>");
falseReqs.add(falseReq8);
for (final byte[] falseReq : falseReqs) {
final DBNode dbNode = new DBNode(new IOContent(falseReq));
try {
final HttpRequestParser rp = new HttpRequestParser(null);
rp.parse(dbNode.children().next(), null);
fail("Exception not thrown");
} catch (final QueryException ex) {
assertTrue(ex.getMessage().contains(ErrType.HC.toString()));
}
}
}