/** Close the session. This implies closing any open methods. */
public synchronized void close() {
if (this.closed) return; // multiple calls ok
while (methodList.size() > 0) {
HTTPMethod m = methodList.get(0);
m.close(); // forcibly close; will invoke removemethod().
}
closed = true;
}
static String getUrlAsString(String url) throws HTTPException {
try (HTTPMethod m = HTTPFactory.Get(url); ) {
int status = m.execute();
String content = null;
if (status == 200) {
content = m.getResponseAsString();
}
return content;
}
}
static int putUrlAsString(String content, String url) throws HTTPException {
int status = 0;
try {
try (HTTPMethod m = HTTPFactory.Put(url)) {
m.setRequestContent(
new StringEntity(content, ContentType.create("application/text", "UTF-8")));
status = m.execute();
}
} catch (UnsupportedCharsetException uce) {
throw new HTTPException(uce);
}
return status;
}
/**
* Constructor.
*
* @param rq request
* @param rs response
* @throws IOException I/O exception
*/
public HTTPContext(final HttpServletRequest rq, final HttpServletResponse rs) throws IOException {
req = rq;
res = rs;
final String m = rq.getMethod();
method = HTTPMethod.get(m);
final StringBuilder uri = new StringBuilder(req.getRequestURL());
final String qs = req.getQueryString();
if (qs != null) uri.append('?').append(qs);
log(false, m, uri);
// set UTF8 as default encoding (can be overwritten)
res.setCharacterEncoding(UTF8);
segments = toSegments(req.getPathInfo());
path = join(0);
user = System.getProperty(DBUSER);
pass = System.getProperty(DBPASS);
// set session-specific credentials
final String auth = req.getHeader(AUTHORIZATION);
if (auth != null) {
final String[] values = auth.split(" ");
if (values[0].equals(BASIC)) {
final String[] cred = Base64.decode(values[1]).split(":", 2);
if (cred.length != 2) throw new LoginException(NOPASSWD);
user = cred[0];
pass = cred[1];
} else {
throw new LoginException(WHICHAUTH, values[0]);
}
}
}
public Either<IOException, HttpResponse> execUploadRequest(
String path, List<FormBodyPart> parts, HTTPMethod method, String acceptType) {
HttpEntityEnclosingRequestBase httpReq = null;
String url = getUriForPath(path);
if (method.equals(HTTPMethod.POST)) {
httpReq = new HttpPost(url);
} else if (method.equals(HTTPMethod.PUT)) {
httpReq = new HttpPut(url);
} else {
throw new IllegalArgumentException("gotta be this or that: post or put");
}
MultipartEntity entity = new MultipartEntity();
for (FormBodyPart part : parts) {
entity.addPart(part);
}
httpReq.setEntity(entity);
return execRequest(httpReq, acceptType);
}
public Either<IOException, HttpResponse> execNormalRequest(
String path, Map<String, String> params, HTTPMethod method, String acceptType) {
String url = getUriForPath(path);
if (params == null) {
params = new HashMap<String, String>();
}
HttpUriRequest httpReq = null;
if (method.equals(HTTPMethod.GET)) {
HttpGet get = new HttpGet(url);
for (Map.Entry<String, String> param : params.entrySet()) {
get.getParams().setParameter(param.getKey(), param.getValue());
}
httpReq = get;
} else {
HttpEntityEnclosingRequestBase postOrPut = null;
if (method.equals(HTTPMethod.PUT)) {
postOrPut = new HttpPut(url);
} else {
postOrPut = new HttpPost(url);
}
MultipartEntity entity = new MultipartEntity();
List<NameValuePair> args = new ArrayList<NameValuePair>();
for (Map.Entry<String, String> param : params.entrySet()) {
args.add(new BasicNameValuePair(param.getKey(), param.getValue()));
}
try {
postOrPut.setEntity(new UrlEncodedFormEntity(args));
} catch (UnsupportedEncodingException e) {
return new Left<IOException, HttpResponse>(e);
}
httpReq = postOrPut;
}
return execRequest(httpReq, acceptType);
}
@Override
public HTTPResponse call() throws Exception {
final HttpURLConnection hc = (HttpURLConnection) uri.toURL().openConnection();
try {
hc.setDoOutput(true);
hc.setRequestMethod(method.name());
hc.setRequestProperty(MimeTypes.CONTENT_TYPE, MimeTypes.APP_XML);
hc.getOutputStream().write(content);
hc.getOutputStream().close();
hc.setReadTimeout(SOCKET_TIMEOUT);
while (!stop) {
try {
return new HTTPResponse(hc.getResponseCode());
} catch (final SocketTimeoutException e) {
}
}
return null;
} finally {
hc.disconnect();
}
}
/**
* Checks a function for RESTFful annotations.
*
* @return {@code true} if module contains relevant annotations
* @throws QueryException query exception
*/
boolean analyze() throws QueryException {
// parse all annotations
final EnumSet<HTTPMethod> mth = EnumSet.noneOf(HTTPMethod.class);
final boolean[] declared = new boolean[function.args.length];
boolean found = false;
final int as = function.ann.size();
for (int a = 0; a < as; a++) {
final QNm name = function.ann.names[a];
final Value value = function.ann.values[a];
final byte[] local = name.local();
final byte[] uri = name.uri();
final boolean rexq = eq(uri, QueryText.RESTXQURI);
if (rexq) {
if (eq(PATH, local)) {
// annotation "path"
if (path != null) error(ANN_TWICE, "%", name.string());
path = new RestXqPath(toString(value, name));
for (final String s : path) {
if (s.trim().startsWith("{")) checkVariable(s, AtomType.AAT, declared);
}
} else if (eq(CONSUMES, local)) {
// annotation "consumes"
strings(value, name, consumes);
} else if (eq(PRODUCES, local)) {
// annotation "produces"
strings(value, name, produces);
} else if (eq(QUERY_PARAM, local)) {
// annotation "query-param"
queryParams.add(param(value, name, declared));
} else if (eq(FORM_PARAM, local)) {
// annotation "form-param"
formParams.add(param(value, name, declared));
} else if (eq(HEADER_PARAM, local)) {
// annotation "header-param"
headerParams.add(param(value, name, declared));
} else if (eq(COOKIE_PARAM, local)) {
// annotation "cookie-param"
cookieParams.add(param(value, name, declared));
} else {
// method annotations
final HTTPMethod m = HTTPMethod.get(string(local));
if (m == null) error(ANN_UNKNOWN, "%", name.string());
if (!value.isEmpty()) {
// remember post/put variable
if (requestBody != null) error(ANN_TWICE, "%", name.string());
if (m != POST && m != PUT) error(METHOD_VALUE, m);
requestBody = checkVariable(toString(value, name), declared);
}
if (mth.contains(m)) error(ANN_TWICE, "%", name.string());
mth.add(m);
}
} else if (eq(uri, QueryText.OUTPUTURI)) {
// serialization parameters
final String key = string(local);
final String val = toString(value, name);
if (output.get(key) == null) error(UNKNOWN_SER, key);
output.set(key, val);
}
found |= rexq;
}
if (!mth.isEmpty()) methods = mth;
if (found) {
if (path == null) error(ANN_MISSING, PATH);
for (int i = 0; i < declared.length; i++)
if (!declared[i]) error(VAR_UNDEFINED, function.args[i].name.string());
}
return found;
}