// process method params (build maps of (Path|Form|Cookie|Matrix|Header..)Params
// and extract entity type
final MultivaluedHashMap<String, Object> headers = new MultivaluedHashMap<String, Object>(this.headers);
final LinkedList<Cookie> cookies = new LinkedList<Cookie>(this.cookies);
final Form form = new Form();
form.asMap().putAll(this.form.asMap());
final Annotation[][] paramAnns = method.getParameterAnnotations();
Object entity = null;
Type entityType = null;
for (int i = 0; i < paramAnns.length; i++) {
final Map<Class, Annotation> anns = new HashMap<Class, Annotation>();
for (final Annotation ann : paramAnns[i]) {
anns.put(ann.annotationType(), ann);
}
Annotation ann;
Object value = args[i];
if (anns.isEmpty()) {
entityType = method.getGenericParameterTypes()[i];
entity = value;
} else {
if (value == null && (ann = anns.get(DefaultValue.class)) != null) {
value = ((DefaultValue) ann).value();
}
if (value != null) {
if ((ann = anns.get(PathParam.class)) != null) {
newTarget = newTarget.resolveTemplate(((PathParam) ann).value(), value);
} else if ((ann = anns.get((QueryParam.class))) != null) {
if (value instanceof Collection) {
newTarget = newTarget.queryParam(((QueryParam) ann).value(), convert((Collection) value));
} else {
newTarget = newTarget.queryParam(((QueryParam) ann).value(), value);
}
} else if ((ann = anns.get((HeaderParam.class))) != null) {
if (value instanceof Collection) {
headers.addAll(((HeaderParam) ann).value(), convert((Collection) value));
} else {
headers.addAll(((HeaderParam) ann).value(), value);
}
} else if ((ann = anns.get((CookieParam.class))) != null) {
final String name = ((CookieParam) ann).value();
Cookie c;
if (value instanceof Collection) {
for (final Object v : ((Collection) value)) {
if (!(v instanceof Cookie)) {
c = new Cookie(name, v.toString());
} else {
c = (Cookie) v;
if (!name.equals(((Cookie) v).getName())) {
// is this the right thing to do? or should I fail? or ignore the difference?
c = new Cookie(name, c.getValue(), c.getPath(), c.getDomain(), c.getVersion());
}
}
cookies.add(c);
}
} else {
if (!(value instanceof Cookie)) {
cookies.add(new Cookie(name, value.toString()));
} else {
c = (Cookie) value;
if (!name.equals(((Cookie) value).getName())) {
// is this the right thing to do? or should I fail? or ignore the difference?
cookies.add(new Cookie(name, c.getValue(), c.getPath(), c.getDomain(), c.getVersion()));
}
}
}
} else if ((ann = anns.get((MatrixParam.class))) != null) {
if (value instanceof Collection) {
newTarget = newTarget.matrixParam(((MatrixParam) ann).value(), convert((Collection) value));
} else {
newTarget = newTarget.matrixParam(((MatrixParam) ann).value(), value);
}
} else if ((ann = anns.get((FormParam.class))) != null) {
if (value instanceof Collection) {
for (final Object v : ((Collection) value)) {
form.param(((FormParam) ann).value(), v.toString());
}
} else {
form.param(((FormParam) ann).value(), value.toString());
}
}
}
}
}
if (httpMethod == null) {
// the method is a subresource locator
return WebResourceFactory.newResource(responseType, newTarget, true, headers, cookies, form);
}
// accepted media types
Produces produces = method.getAnnotation(Produces.class);
if (produces == null) {
produces = proxyIfc.getAnnotation(Produces.class);
}
final String[] accepts = produces == null ? null : produces.value();
// determine content type
String contentType = null;
if (entity != null) {
Consumes consumes = method.getAnnotation(Consumes.class);
if (consumes == null) {
consumes = proxyIfc.getAnnotation(Consumes.class);
}
if (consumes != null && consumes.value().length > 0) {
// TODO: should consider q/qs instead of picking the first one
contentType = consumes.value()[0];
}
}
Invocation.Builder builder;
if (accepts != null) {
builder = newTarget.request(accepts);
} else {
builder = newTarget.request();
}
// apply header params and cookies
builder.headers(headers);
for (final Cookie c : cookies) {
builder = builder.cookie(c);
}
final Object result;
if (entity == null && !form.asMap().isEmpty()) {
entity = form;
contentType = MediaType.APPLICATION_FORM_URLENCODED;
} else {
if (contentType == null) {
contentType = MediaType.APPLICATION_OCTET_STREAM;
}
if (!form.asMap().isEmpty()) {
if (entity instanceof Form) {
((Form) entity).asMap().putAll(form.asMap());
} else {
// TODO: should at least log some warning here
}
}
}