static play.mvc.Result invokeMethod(
Class<?> targetClass,
play.GlobalSettings global,
Method method,
Map<String, Object> extractedArgs,
play.mvc.Http.RequestHeader r) {
try {
Object[] argValues = new Object[0];
List<Object> argVals = new ArrayList<Object>();
Annotation[][] annos = method.getParameterAnnotations();
for (Annotation[] ans : annos) {
PathParam pathParam = null;
QueryParam queryParam = null;
for (Annotation an : ans) {
if (an instanceof PathParam) pathParam = (PathParam) an;
else if (an instanceof QueryParam) queryParam = (QueryParam) an;
}
if (pathParam != null) {
Object v = extractedArgs.get(pathParam.value());
if (v != null) argVals.add(v);
else
throw new IllegalArgumentException(
"can not find annotation value for argument "
+ pathParam.value()
+ "in "
+ targetClass
+ "#"
+ method);
} else if (queryParam != null) {
String queryString = r.getQueryString(queryParam.value());
argVals.add(queryString); // string type conversion?
} else
throw new IllegalArgumentException(
"can not find an appropriate JAX-RC annotation for an argument for method:"
+ targetClass
+ "#"
+ method);
}
argValues = argVals.toArray(argValues);
return (play.mvc.Result) method.invoke(global.getControllerInstance(targetClass), argValues);
} catch (InvocationTargetException cause) {
System.err.println(
"Exception occured while trying to invoke: "
+ targetClass.getName()
+ "#"
+ method.getName()
+ " with "
+ extractedArgs
+ " for uri:"
+ r.path());
throw new RuntimeException(cause.getCause());
} catch (Exception e) {
throw new RuntimeException(e.getCause());
}
}
/**
* Loads the overridden resource parameter values.
*
* @param signatureOverride The signature override.
* @return The explicit resource parameters.
*/
protected List<ResourceParameter> loadResourceParameters(
ResourceMethodSignature signatureOverride) {
HashMap<String, String> paramComments = parseParamComments(getJavaDoc());
ArrayList<ResourceParameter> params = new ArrayList<ResourceParameter>();
for (CookieParam cookieParam : signatureOverride.cookieParams()) {
params.add(
new ExplicitResourceParameter(
this,
paramComments.get(cookieParam.value()),
cookieParam.value(),
ResourceParameterType.COOKIE));
}
for (MatrixParam matrixParam : signatureOverride.matrixParams()) {
params.add(
new ExplicitResourceParameter(
this,
paramComments.get(matrixParam.value()),
matrixParam.value(),
ResourceParameterType.MATRIX));
}
for (QueryParam queryParam : signatureOverride.queryParams()) {
params.add(
new ExplicitResourceParameter(
this,
paramComments.get(queryParam.value()),
queryParam.value(),
ResourceParameterType.QUERY));
}
for (PathParam pathParam : signatureOverride.pathParams()) {
params.add(
new ExplicitResourceParameter(
this,
paramComments.get(pathParam.value()),
pathParam.value(),
ResourceParameterType.PATH));
}
for (HeaderParam headerParam : signatureOverride.headerParams()) {
params.add(
new ExplicitResourceParameter(
this,
paramComments.get(headerParam.value()),
headerParam.value(),
ResourceParameterType.HEADER));
}
for (FormParam formParam : signatureOverride.formParams()) {
params.add(
new ExplicitResourceParameter(
this,
paramComments.get(formParam.value()),
formParam.value(),
ResourceParameterType.FORM));
}
return params;
}
// CHECKSTYLE:OFF
public static Parameter getParameter(int index, Annotation[] anns, Class<?> type) {
Context ctx = AnnotationUtils.getAnnotation(anns, Context.class);
if (ctx != null) {
return new Parameter(ParameterType.CONTEXT, index, null);
}
boolean isEncoded = AnnotationUtils.getAnnotation(anns, Encoded.class) != null;
BeanParam bp = AnnotationUtils.getAnnotation(anns, BeanParam.class);
if (bp != null) {
return new Parameter(ParameterType.BEAN, index, null, isEncoded, null);
}
String dValue = AnnotationUtils.getDefaultParameterValue(anns);
PathParam a = AnnotationUtils.getAnnotation(anns, PathParam.class);
if (a != null) {
return new Parameter(ParameterType.PATH, index, a.value(), isEncoded, dValue);
}
QueryParam q = AnnotationUtils.getAnnotation(anns, QueryParam.class);
if (q != null) {
return new Parameter(ParameterType.QUERY, index, q.value(), isEncoded, dValue);
}
MatrixParam m = AnnotationUtils.getAnnotation(anns, MatrixParam.class);
if (m != null) {
return new Parameter(ParameterType.MATRIX, index, m.value(), isEncoded, dValue);
}
FormParam f = AnnotationUtils.getAnnotation(anns, FormParam.class);
if (f != null) {
return new Parameter(ParameterType.FORM, index, f.value(), isEncoded, dValue);
}
HeaderParam h = AnnotationUtils.getAnnotation(anns, HeaderParam.class);
if (h != null) {
return new Parameter(ParameterType.HEADER, index, h.value(), isEncoded, dValue);
}
CookieParam c = AnnotationUtils.getAnnotation(anns, CookieParam.class);
if (c != null) {
return new Parameter(ParameterType.COOKIE, index, c.value(), isEncoded, dValue);
}
return new Parameter(ParameterType.REQUEST_BODY, index, null);
}
private void addMethodParameters(JaxrsResourceMethodDescription jaxrsRes, Method method) {
for (Parameter param : method.getParameters()) {
ParamInfo paramInfo = new ParamInfo();
paramInfo.cls = param.getType();
paramInfo.defaultValue = null;
paramInfo.name = null;
paramInfo.type = null;
Annotation annotation;
if ((annotation = param.getAnnotation(PathParam.class)) != null) {
PathParam pathParam = (PathParam) annotation;
paramInfo.name = pathParam.value();
paramInfo.type = "@" + PathParam.class.getSimpleName();
} else if ((annotation = param.getAnnotation(QueryParam.class)) != null) {
QueryParam queryParam = (QueryParam) annotation;
paramInfo.name = queryParam.value();
paramInfo.type = "@" + QueryParam.class.getSimpleName();
} else if ((annotation = param.getAnnotation(HeaderParam.class)) != null) {
HeaderParam headerParam = (HeaderParam) annotation;
paramInfo.name = headerParam.value();
paramInfo.type = "@" + HeaderParam.class.getSimpleName();
} else if ((annotation = param.getAnnotation(CookieParam.class)) != null) {
CookieParam cookieParam = (CookieParam) annotation;
paramInfo.name = cookieParam.value();
paramInfo.type = "@" + CookieParam.class.getSimpleName();
} else if ((annotation = param.getAnnotation(MatrixParam.class)) != null) {
MatrixParam matrixParam = (MatrixParam) annotation;
paramInfo.name = matrixParam.value();
paramInfo.type = "@" + MatrixParam.class.getSimpleName();
} else if ((annotation = param.getAnnotation(FormParam.class)) != null) {
FormParam formParam = (FormParam) annotation;
paramInfo.name = formParam.value();
paramInfo.type = "@" + FormParam.class.getSimpleName();
}
if (paramInfo.name == null) {
paramInfo.name = param.getName();
}
if ((annotation = param.getAnnotation(DefaultValue.class)) != null) {
DefaultValue defaultValue = (DefaultValue) annotation;
paramInfo.defaultValue = defaultValue.value();
}
jaxrsRes.parameters.add(paramInfo);
}
}
private void writeMethodImpl(JMethod method) throws UnableToCompleteException {
boolean returnRequest = false;
if (method.getReturnType() != JPrimitiveType.VOID) {
if (!method.getReturnType().getQualifiedSourceName().equals(Request.class.getName())
&& !method
.getReturnType()
.getQualifiedSourceName()
.equals(JsonpRequest.class.getName())) {
getLogger()
.log(
ERROR,
"Invalid rest method. Method must have void, Request or JsonpRequest return types: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
} else {
returnRequest = true;
}
}
Json jsonAnnotation = source.getAnnotation(Json.class);
final Style classStyle = jsonAnnotation != null ? jsonAnnotation.style() : Style.DEFAULT;
Options classOptions = source.getAnnotation(Options.class);
Options options = method.getAnnotation(Options.class);
p(method.getReadableDeclaration(false, false, false, false, true) + " {").i(1);
{
String restMethod = getRestMethod(method);
LinkedList<JParameter> args =
new LinkedList<JParameter>(Arrays.asList(method.getParameters()));
// the last arg should be the callback.
if (args.isEmpty()) {
getLogger()
.log(
ERROR,
"Invalid rest method. Method must declare at least a callback argument: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
JParameter callbackArg = args.removeLast();
JClassType callbackType = callbackArg.getType().isClassOrInterface();
JClassType methodCallbackType = METHOD_CALLBACK_TYPE;
if (callbackType == null || !callbackType.isAssignableTo(methodCallbackType)) {
getLogger()
.log(
ERROR,
"Invalid rest method. Last argument must be a "
+ methodCallbackType.getName()
+ " type: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
JClassType resultType = getCallbackTypeGenericClass(callbackType);
String pathExpression = null;
Path pathAnnotation = method.getAnnotation(Path.class);
if (pathAnnotation != null) {
pathExpression = wrap(pathAnnotation.value());
}
JParameter contentArg = null;
HashMap<String, JParameter> queryParams = new HashMap<String, JParameter>();
HashMap<String, JParameter> formParams = new HashMap<String, JParameter>();
HashMap<String, JParameter> headerParams = new HashMap<String, JParameter>();
for (JParameter arg : args) {
PathParam paramPath = arg.getAnnotation(PathParam.class);
if (paramPath != null) {
if (pathExpression == null) {
getLogger()
.log(
ERROR,
"Invalid rest method. Invalid @PathParam annotation. Method is missing the @Path annotation: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
pathExpression = pathExpression(pathExpression, arg, paramPath);
// .replaceAll(Pattern.quote("{" + paramPath.value() + "}"),
// "\"+com.google.gwt.http.client.URL.encodePathSegment(" + toStringExpression(arg) +
// ")+\"");
if (arg.getAnnotation(Attribute.class) != null) {
// allow part of the arg-object participate in as PathParam and the object goes over the
// wire
contentArg = arg;
}
continue;
}
QueryParam queryParam = arg.getAnnotation(QueryParam.class);
if (queryParam != null) {
queryParams.put(queryParam.value(), arg);
continue;
}
FormParam formParam = arg.getAnnotation(FormParam.class);
if (formParam != null) {
formParams.put(formParam.value(), arg);
continue;
}
HeaderParam headerParam = arg.getAnnotation(HeaderParam.class);
if (headerParam != null) {
headerParams.put(headerParam.value(), arg);
continue;
}
if (!formParams.isEmpty()) {
getLogger()
.log(
ERROR,
"You can not have both @FormParam parameters and a content parameter: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
if (contentArg != null) {
getLogger()
.log(
ERROR,
"Invalid rest method. Only one content parameter is supported: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
contentArg = arg;
}
String acceptTypeBuiltIn = null;
if (callbackType.equals(TEXT_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_TEXT";
} else if (callbackType.equals(JSON_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.isAssignableTo(OVERLAY_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.equals(XML_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_XML";
}
p("final " + METHOD_CLASS + " __method =");
p("getResource()");
if (pathExpression != null) {
p(".resolve(" + pathExpression + ")");
}
for (Map.Entry<String, JParameter> entry : queryParams.entrySet()) {
String expr = entry.getValue().getName();
JClassType type = entry.getValue().getType().isClassOrInterface();
if (type != null && isQueryParamListType(type)) {
p(
".addQueryParams("
+ wrap(entry.getKey())
+ ", "
+ toIteratedStringExpression(entry.getValue())
+ ")");
} else {
p(
".addQueryParam("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ")");
}
}
// example: .get()
p("." + restMethod + "();");
// Handle JSONP specific configuration...
JSONP jsonpAnnotation = method.getAnnotation(JSONP.class);
final boolean isJsonp = restMethod.equals(METHOD_JSONP) && jsonpAnnotation != null;
if (isJsonp) {
if (returnRequest
&& !method
.getReturnType()
.getQualifiedSourceName()
.equals(JsonpRequest.class.getName())) {
getLogger()
.log(
ERROR,
"Invalid rest method. JSONP method must have void or JsonpRequest return types: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
if (jsonpAnnotation.callbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).callbackParam("
+ wrap(jsonpAnnotation.callbackParam())
+ ");");
}
if (jsonpAnnotation.failureCallbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).failureCallbackParam("
+ wrap(jsonpAnnotation.failureCallbackParam())
+ ");");
}
} else {
if (returnRequest
&& !method.getReturnType().getQualifiedSourceName().equals(Request.class.getName())) {
getLogger()
.log(
ERROR,
"Invalid rest method. Non JSONP method must have void or Request return types: "
+ method.getReadableDeclaration());
throw new UnableToCompleteException();
}
}
// configure the dispatcher
if (options != null && options.dispatcher() != Dispatcher.class) {
// use the dispatcher configured for the method.
p("__method.setDispatcher(" + options.dispatcher().getName() + ".INSTANCE);");
} else {
// use the default dispatcher configured for the service..
p("__method.setDispatcher(this.dispatcher);");
}
// configure the expected statuses..
if (options != null && options.expect().length != 0) {
// Using method level defined expected status
p("__method.expect(" + join(options.expect(), ", ") + ");");
} else if (classOptions != null && classOptions.expect().length != 0) {
// Using class level defined expected status
p("__method.expect(" + join(classOptions.expect(), ", ") + ");");
}
// configure the timeout
if (options != null && options.timeout() >= 0) {
// Using method level defined value
p("__method.timeout(" + options.timeout() + ");");
} else if (classOptions != null && classOptions.timeout() >= 0) {
// Using class level defined value
p("__method.timeout(" + classOptions.timeout() + ");");
}
if (jsonpAnnotation == null) {
Produces producesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Produces.class);
if (producesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ wrap(producesAnnotation.value()[0])
+ ");");
} else {
// set the default accept header....
if (acceptTypeBuiltIn != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ "."
+ acceptTypeBuiltIn
+ ");");
} else {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ ".CONTENT_TYPE_JSON);");
}
}
Consumes consumesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Consumes.class);
if (consumesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_CONTENT_TYPE, "
+ wrap(consumesAnnotation.value()[0])
+ ");");
}
// and set the explicit headers now (could override the accept header)
for (Map.Entry<String, JParameter> entry : headerParams.entrySet()) {
String expr = entry.getValue().getName();
p(
"__method.header("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ");");
}
}
if (!formParams.isEmpty()) {
p(FORM_POST_CONTENT_CLASS + " __formPostContent = new " + FORM_POST_CONTENT_CLASS + "();");
for (Map.Entry<String, JParameter> entry : formParams.entrySet()) {
p(
"__formPostContent.addParameter("
+ wrap(entry.getKey())
+ ", "
+ toFormStringExpression(entry.getValue(), classStyle)
+ ");");
}
p("__method.form(__formPostContent.getTextContent());");
}
if (contentArg != null) {
if (contentArg.getType() == STRING_TYPE) {
p("__method.text(" + contentArg.getName() + ");");
} else if (contentArg.getType() == JSON_VALUE_TYPE) {
p("__method.json(" + contentArg.getName() + ");");
} else if (contentArg.getType().isClass() != null
&& isOverlayArrayType(contentArg.getType().isClass())) {
p("__method.json(new " + JSON_ARRAY_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType().isClass() != null
&& contentArg.getType().isClass().isAssignableTo(OVERLAY_VALUE_TYPE)) {
p("__method.json(new " + JSON_OBJECT_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType() == DOCUMENT_TYPE) {
p("__method.xml(" + contentArg.getName() + ");");
} else {
JClassType contentClass = contentArg.getType().isClass();
if (contentClass == null) {
contentClass = contentArg.getType().isClassOrInterface();
if (!locator.isCollectionType(contentClass)) {
getLogger().log(ERROR, "Content argument must be a class.");
throw new UnableToCompleteException();
}
}
jsonAnnotation = contentArg.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
// example:
// .json(Listings$_Generated_JsonEncoder_$.INSTANCE.encode(arg0)
// )
p(
"__method.json("
+ locator.encodeExpression(contentClass, contentArg.getName(), style)
+ ");");
}
}
List<AnnotationResolver> annotationResolvers = getAnnotationResolvers(context, getLogger());
getLogger()
.log(
TreeLogger.DEBUG,
"found " + annotationResolvers.size() + " additional AnnotationResolvers");
for (AnnotationResolver a : annotationResolvers) {
getLogger()
.log(
TreeLogger.DEBUG,
"("
+ a.getClass().getName()
+ ") resolve `"
+ source.getName()
+ "#"
+ method.getName()
+ "´ ...");
final Map<String, String[]> addDataParams =
a.resolveAnnotation(getLogger(), source, method, restMethod);
if (addDataParams != null) {
for (String s : addDataParams.keySet()) {
final StringBuilder sb = new StringBuilder();
final List<String> classList = Arrays.asList(addDataParams.get(s));
sb.append("[");
for (int i = 0; i < classList.size(); ++i) {
sb.append("\\\"").append(classList.get(i)).append("\\\"");
if ((i + 1) < classList.size()) {
sb.append(",");
}
}
sb.append("]");
getLogger()
.log(TreeLogger.DEBUG, "add call with (\"" + s + "\", \"" + sb.toString() + "\")");
p("__method.addData(\"" + s + "\", \"" + sb.toString() + "\");");
}
}
}
if (acceptTypeBuiltIn != null) {
// TODO: shouldn't we also have a cach in here?
p(returnRequest(returnRequest, isJsonp) + "__method.send(" + callbackArg.getName() + ");");
} else if (isJsonp) {
p(returnRequest(returnRequest, isJsonp)
+ "(("
+ JSONP_METHOD_CLASS
+ ")__method).send(new "
+ ABSTRACT_ASYNC_CALLBACK_CLASS
+ "<"
+ resultType.getParameterizedQualifiedSourceName()
+ ">(("
+ JSONP_METHOD_CLASS
+ ")__method, "
+ callbackArg.getName()
+ ") {")
.i(1);
{
p("protected "
+ resultType.getParameterizedQualifiedSourceName()
+ " parseResult("
+ JSON_VALUE_CLASS
+ " result) throws Exception {")
.i(1);
{
if (resultType.getParameterizedQualifiedSourceName().equals("java.lang.Void")) {
p("return (java.lang.Void) null;");
} else {
p("try {").i(1);
{
if (resultType.isAssignableTo(locator.LIST_TYPE)) {
p("result = new " + JSON_ARRAY_CLASS + "(result.getJavaScriptObject());");
}
jsonAnnotation = method.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
p("return " + locator.decodeExpression(resultType, "result", style) + ";");
}
i(-1).p("} catch (Throwable __e) {").i(1);
{
p(
"throw new "
+ RESPONSE_FORMAT_EXCEPTION_CLASS
+ "(\"Response was NOT a valid JSON document\", __e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
i(-1).p("});");
} else {
p("try {").i(1);
{
p(returnRequest(returnRequest, isJsonp)
+ "__method.send(new "
+ ABSTRACT_REQUEST_CALLBACK_CLASS
+ "<"
+ resultType.getParameterizedQualifiedSourceName()
+ ">(__method, "
+ callbackArg.getName()
+ ") {")
.i(1);
{
p("protected "
+ resultType.getParameterizedQualifiedSourceName()
+ " parseResult() throws Exception {")
.i(1);
{
if (resultType.getParameterizedQualifiedSourceName().equals("java.lang.Void")) {
p("return (java.lang.Void) null;");
} else {
p("try {").i(1);
{
jsonAnnotation = method.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
p(
"return "
+ locator.decodeExpression(
resultType,
JSON_PARSER_CLASS + ".parse(__method.getResponse().getText())",
style)
+ ";");
}
i(-1).p("} catch (Throwable __e) {").i(1);
{
p(
"throw new "
+ RESPONSE_FORMAT_EXCEPTION_CLASS
+ "(\"Response was NOT a valid JSON document\", __e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
i(-1).p("});");
}
i(-1).p("} catch (" + REQUEST_EXCEPTION_CLASS + " __e) {").i(1);
{
p(callbackArg.getName() + ".onFailure(__method,__e);");
if (returnRequest) {
p("return null;");
}
}
i(-1).p("}");
}
}
i(-1).p("}");
}
public T fromAnnotations() {
Annotation[] annotations = parameter.getAnnotations();
AccessibleObject injectTarget = parameter.getAccessibleObject();
Class<?> type = parameter.getResourceClass().getClazz();
parameter.encoded =
findAnnotation(annotations, Encoded.class) != null
|| injectTarget.isAnnotationPresent(Encoded.class)
|| type.isAnnotationPresent(Encoded.class);
DefaultValue defaultValue = findAnnotation(annotations, DefaultValue.class);
if (defaultValue != null) parameter.defaultValue = defaultValue.value();
QueryParam query;
HeaderParam header;
MatrixParam matrix;
PathParam uriParam;
CookieParam cookie;
FormParam formParam;
Form form;
Suspend suspend;
Suspended suspended;
if ((query = findAnnotation(annotations, QueryParam.class)) != null) {
parameter.paramType = Parameter.ParamType.QUERY_PARAM;
parameter.paramName = query.value();
} else if ((header = findAnnotation(annotations, HeaderParam.class)) != null) {
parameter.paramType = Parameter.ParamType.HEADER_PARAM;
parameter.paramName = header.value();
} else if ((formParam = findAnnotation(annotations, FormParam.class)) != null) {
parameter.paramType = Parameter.ParamType.FORM_PARAM;
parameter.paramName = formParam.value();
} else if ((cookie = findAnnotation(annotations, CookieParam.class)) != null) {
parameter.paramType = Parameter.ParamType.COOKIE_PARAM;
parameter.paramName = cookie.value();
} else if ((uriParam = findAnnotation(annotations, PathParam.class)) != null) {
parameter.paramType = Parameter.ParamType.PATH_PARAM;
parameter.paramName = uriParam.value();
} else if ((form = findAnnotation(annotations, Form.class)) != null) {
parameter.paramType = Parameter.ParamType.FORM;
parameter.paramName = form.prefix();
} else if (findAnnotation(annotations, BeanParam.class) != null) {
parameter.paramType = Parameter.ParamType.BEAN_PARAM;
} else if ((matrix = findAnnotation(annotations, MatrixParam.class)) != null) {
parameter.paramType = Parameter.ParamType.MATRIX_PARAM;
parameter.paramName = matrix.value();
} else if ((suspend = findAnnotation(annotations, Suspend.class)) != null) {
parameter.paramType = Parameter.ParamType.SUSPEND;
parameter.suspendTimeout = suspend.value();
} else if (findAnnotation(annotations, Context.class) != null) {
parameter.paramType = Parameter.ParamType.CONTEXT;
} else if ((suspended = findAnnotation(annotations, Suspended.class)) != null) {
parameter.paramType = Parameter.ParamType.SUSPENDED;
} else if (javax.ws.rs.container.AsyncResponse.class.isAssignableFrom(type)) {
parameter.paramType = Parameter.ParamType.SUSPENDED;
} else if (findAnnotation(annotations, Body.class) != null) {
parameter.paramType = Parameter.ParamType.MESSAGE_BODY;
} else {
parameter.paramType = Parameter.ParamType.UNKNOWN;
}
return (T) this;
}
private void writeMethodImpl(JMethod method) throws UnableToCompleteException {
if (method.getReturnType().isPrimitive() != JPrimitiveType.VOID) {
error(
"Invalid rest method. Method must have void return type: "
+ method.getReadableDeclaration());
}
Json jsonAnnotation = source.getAnnotation(Json.class);
final Style classStyle = jsonAnnotation != null ? jsonAnnotation.style() : Style.DEFAULT;
Options classOptions = source.getAnnotation(Options.class);
Options options = method.getAnnotation(Options.class);
p(method.getReadableDeclaration(false, false, false, false, true) + " {").i(1);
{
String restMethod = getRestMethod(method);
LinkedList<JParameter> args =
new LinkedList<JParameter>(Arrays.asList(method.getParameters()));
// the last arg should be the callback.
if (args.isEmpty()) {
error(
"Invalid rest method. Method must declare at least a callback argument: "
+ method.getReadableDeclaration());
}
JParameter callbackArg = args.removeLast();
JClassType callbackType = callbackArg.getType().isClassOrInterface();
JClassType methodCallbackType = METHOD_CALLBACK_TYPE;
if (callbackType == null || !callbackType.isAssignableTo(methodCallbackType)) {
error(
"Invalid rest method. Last argument must be a "
+ methodCallbackType.getName()
+ " type: "
+ method.getReadableDeclaration());
}
JClassType resultType = getCallbackTypeGenericClass(callbackType);
String pathExpression = null;
Path pathAnnotation = method.getAnnotation(Path.class);
if (pathAnnotation != null) {
pathExpression = wrap(pathAnnotation.value());
}
JParameter contentArg = null;
HashMap<String, JParameter> queryParams = new HashMap<String, JParameter>();
HashMap<String, JParameter> headerParams = new HashMap<String, JParameter>();
for (JParameter arg : args) {
PathParam paramPath = arg.getAnnotation(PathParam.class);
if (paramPath != null) {
if (pathExpression == null) {
error(
"Invalid rest method. Invalid @PathParam annotation. Method is missing the @Path annotation: "
+ method.getReadableDeclaration());
}
pathExpression =
pathExpression.replaceAll(
Pattern.quote("{" + paramPath.value() + "}"),
"\"+" + toStringExpression(arg) + "+\"");
continue;
}
QueryParam queryParam = arg.getAnnotation(QueryParam.class);
if (queryParam != null) {
queryParams.put(queryParam.value(), arg);
continue;
}
HeaderParam headerParam = arg.getAnnotation(HeaderParam.class);
if (headerParam != null) {
headerParams.put(headerParam.value(), arg);
continue;
}
if (contentArg != null) {
error(
"Invalid rest method. Only one content parameter is supported: "
+ method.getReadableDeclaration());
}
contentArg = arg;
}
String acceptTypeBuiltIn = null;
if (callbackType.equals(TEXT_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_TEXT";
} else if (callbackType.equals(JSON_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.isAssignableTo(OVERLAY_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_JSON";
} else if (callbackType.equals(XML_CALLBACK_TYPE)) {
acceptTypeBuiltIn = "CONTENT_TYPE_XML";
}
p("final " + METHOD_CLASS + " __method =");
p("this.resource");
if (pathExpression != null) {
p(".resolve(" + pathExpression + ")");
}
for (Map.Entry<String, JParameter> entry : queryParams.entrySet()) {
String expr = entry.getValue().getName();
p(
".addQueryParam("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ")");
}
// example: .get()
p("." + restMethod + "();");
// Handle JSONP specific configuration...
JSONP jsonpAnnotation = method.getAnnotation(JSONP.class);
if (restMethod.equals(METHOD_JSONP) && jsonpAnnotation != null) {
if (jsonpAnnotation.callbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).callbackParam("
+ wrap(jsonpAnnotation.callbackParam())
+ ");");
}
if (jsonpAnnotation.failureCallbackParam().length() > 0) {
p(
"(("
+ JSONP_METHOD_CLASS
+ ")__method).failureCallbackParam("
+ wrap(jsonpAnnotation.failureCallbackParam())
+ ");");
}
}
// configure the dispatcher
if (options != null && options.dispatcher() != Dispatcher.class) {
// use the dispatcher configured for the method.
p("__method.setDispatcher(" + options.dispatcher().getName() + ".INSTANCE);");
} else {
// use the default dispatcher configured for the service..
p("__method.setDispatcher(this.dispatcher);");
}
// configure the expected statuses..
if (options != null && options.expect().length != 0) {
// Using method level defined expected status
p("__method.expect(" + join(options.expect(), ", ") + ");");
} else if (classOptions != null && classOptions.expect().length != 0) {
// Using class level defined expected status
p("__method.expect(" + join(classOptions.expect(), ", ") + ");");
}
// configure the timeout
if (options != null && options.timeout() >= 0) {
// Using method level defined value
p("__method.timeout(" + options.timeout() + ");");
} else if (classOptions != null && classOptions.timeout() >= 0) {
// Using class level defined value
p("__method.timeout(" + classOptions.timeout() + ");");
}
Produces producesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Produces.class);
if (producesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ wrap(producesAnnotation.value()[0])
+ ");");
} else {
// set the default accept header....
if (acceptTypeBuiltIn != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ "."
+ acceptTypeBuiltIn
+ ");");
} else {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_ACCEPT, "
+ RESOURCE_CLASS
+ ".CONTENT_TYPE_JSON);");
}
}
Consumes consumesAnnotation = findAnnotationOnMethodOrEnclosingType(method, Consumes.class);
if (consumesAnnotation != null) {
p(
"__method.header("
+ RESOURCE_CLASS
+ ".HEADER_CONTENT_TYPE, "
+ wrap(consumesAnnotation.value()[0])
+ ");");
}
// and set the explicit headers now (could override the accept header)
for (Map.Entry<String, JParameter> entry : headerParams.entrySet()) {
String expr = entry.getValue().getName();
p(
"__method.header("
+ wrap(entry.getKey())
+ ", "
+ toStringExpression(entry.getValue().getType(), expr)
+ ");");
}
if (contentArg != null) {
if (contentArg.getType() == STRING_TYPE) {
p("__method.text(" + contentArg.getName() + ");");
} else if (contentArg.getType() == JSON_VALUE_TYPE) {
p("__method.json(" + contentArg.getName() + ");");
} else if (contentArg.getType().isClass() != null
&& isOverlayArrayType(contentArg.getType().isClass())) {
p("__method.json(new " + JSON_ARRAY_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType().isClass() != null
&& contentArg.getType().isClass().isAssignableTo(OVERLAY_VALUE_TYPE)) {
p("__method.json(new " + JSON_OBJECT_CLASS + "(" + contentArg.getName() + "));");
} else if (contentArg.getType() == DOCUMENT_TYPE) {
p("__method.xml(" + contentArg.getName() + ");");
} else {
JClassType contentClass = contentArg.getType().isClass();
if (contentClass == null) {
error("Content argument must be a class.");
}
jsonAnnotation = contentArg.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
// example:
// .json(Listings$_Generated_JsonEncoder_$.INSTANCE.encode(arg0)
// )
p(
"__method.json("
+ locator.encodeExpression(contentClass, contentArg.getName(), style)
+ ");");
}
}
if (acceptTypeBuiltIn != null) {
p("__method.send(" + callbackArg.getName() + ");");
} else {
p("try {").i(1);
{
p("__method.send(new "
+ ABSTRACT_REQUEST_CALLBACK_CLASS
+ "<"
+ resultType.getParameterizedQualifiedSourceName()
+ ">(__method, "
+ callbackArg.getName()
+ ") {")
.i(1);
{
p("protected "
+ resultType.getParameterizedQualifiedSourceName()
+ " parseResult() throws Exception {")
.i(1);
{
if (resultType.getParameterizedQualifiedSourceName().equals("java.lang.Void")) {
p("return (java.lang.Void) new java.lang.Object();");
} else {
p("try {").i(1);
{
jsonAnnotation = method.getAnnotation(Json.class);
Style style = jsonAnnotation != null ? jsonAnnotation.style() : classStyle;
p(
"return "
+ locator.decodeExpression(
resultType,
JSON_PARSER_CLASS + ".parse(__method.getResponse().getText())",
style)
+ ";");
}
i(-1).p("} catch (Throwable __e) {").i(1);
{
p(
"throw new "
+ RESPONSE_FORMAT_EXCEPTION_CLASS
+ "(\"Response was NOT a valid JSON document\", __e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
i(-1).p("});");
}
i(-1).p("} catch (" + REQUEST_EXCEPTION_CLASS + " __e) {").i(1);
{
p(callbackArg.getName() + ".onFailure(__method,__e);");
}
i(-1).p("}");
}
}
i(-1).p("}");
}
private Object[] assemParams(Class<?>[] paramTypes, Annotation[][] paramAnns) throws Exception {
Object[] params = new Object[paramTypes.length];
int pathParamIndex = 0;
for (int i = 0; i < paramTypes.length; ++i) {
Annotation[] anns = paramAnns[i];
Class<?> paramClass = paramTypes[i];
String[] paramValue = null;
// ------------------------------------------------------
// 通过给定class 获取对应的ActionContextObj
if (Context.class.isAssignableFrom(paramClass)) {
params[i] = this.context;
continue;
}
if (HttpServletRequest.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getRequest();
continue;
}
if (HttpServletResponse.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getResponse();
continue;
}
if (PrintWriter.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getWriter();
continue;
}
if (ServletOutputStream.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getOut();
continue;
}
if (HttpSession.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getSession();
continue;
}
if (ActionProp.class.isAssignableFrom(paramClass)) {
if (this.context.getActionProp() == null)
this.context.setActionProp(new ActionProp(this.actionObject.getClass().getName()));
params[i] = this.context.getActionProp();
continue;
}
if (Validation.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getValidation();
continue;
}
if (QueryParams.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getQueryParams();
continue;
}
if (DAO.class.isAssignableFrom(paramClass)) {
params[i] = new DAOImpl("");
continue;
}
if (InsertDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getInsertDAO();
continue;
}
if (DeleteDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getDeleteDAO();
continue;
}
if (UpdateDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getUpdateDAO();
continue;
}
if (SelectDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getSelectDAO();
continue;
}
if (DivPageDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getDivPageDAO();
continue;
}
if (SearchDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getSearchDAO();
continue;
}
if (CascadeDAO.class.isAssignableFrom(paramClass)) {
params[i] = DAOFactory.getCascadeDAO();
continue;
}
PathParam pathParamAnn = this.getPathParamAnn(anns);
if (pathParamAnn != null) {
paramValue = this.getPathParamValue(pathParamAnn.value());
params[i] = ClassUtil.getParamVal(paramClass, paramValue[0]);
continue;
}
QueryParam queryParamAnn = this.getQueryParamAnn(anns);
// 视图模型
if (queryParamAnn == null && Map.class.isAssignableFrom(paramClass)) {
params[i] = this.context.getModel();
continue;
}
if (queryParamAnn != null) {
final String fieldName = queryParamAnn.value();
if (File.class.isAssignableFrom(paramClass)) {
if (!this.context.getUploadMap().containsKey(fieldName)) continue;
List<UploadFile> list = this.context.getUploadMap().get(fieldName);
if (list == null || list.isEmpty()) continue;
UploadFile uploadFile = list.get(0);
File file = uploadFile.getTmpFile();
params[i] = file;
continue;
}
if (File[].class.isAssignableFrom(paramClass)) {
if (!this.context.getUploadMap().containsKey(fieldName)) continue;
List<UploadFile> list = this.context.getUploadMap().get(fieldName);
if (list == null || list.isEmpty()) continue;
File[] files = new File[list.size()];
for (int j = 0; j < files.length; j++) files[j] = list.get(j).getTmpFile();
params[i] = files;
}
if (UploadFile.class.isAssignableFrom(paramClass)) {
if (!this.context.getUploadMap().containsKey(fieldName)) continue;
List<UploadFile> list = this.context.getUploadMap().get(fieldName);
if (list == null || list.isEmpty()) continue;
UploadFile uploadFile = list.get(0);
params[i] = uploadFile;
continue;
}
if (UploadFile[].class.isAssignableFrom(paramClass)) {
if (!this.context.getUploadMap().containsKey(fieldName)) continue;
List<UploadFile> list = this.context.getUploadMap().get(fieldName);
if (list == null || list.isEmpty()) continue;
params[i] = list.toArray(new UploadFile[] {});
}
String defaultValue = null;
DefaultValue defaultValueAnn = this.getDefaultValueAnn(anns);
if (defaultValueAnn != null) defaultValue = defaultValueAnn.value();
paramValue = this.getQueryParamValue(fieldName, defaultValue);
if (java.util.Date.class.isAssignableFrom(paramClass)) {
params[i] = this.getDateParam(anns, paramValue[0]);
continue;
}
String startName = fieldName;
if (ClassUtil.isPojo(paramClass)) {
params[i] = this.injectParam2Pojo(paramClass, startName);
continue;
}
if (Map.class.isAssignableFrom(paramClass)) {
params[i] = this.injectParam2Map(startName);
continue;
}
if (paramClass.isArray()) params[i] = ClassUtil.getParamVals(paramClass, paramValue);
else params[i] = ClassUtil.getParamVal(paramClass, paramValue[0]);
} else {
// 如果是基本数据类型，则按照排序进行注入
String[] pathParams = this.context.getActionConfigBean().getPathParams();
if (pathParams == null) {
log.warn("QueryParam not found and PathParam not found too");
continue;
}
paramValue = this.getPathParamValue(pathParams[pathParamIndex]);
params[i] = ClassUtil.getParamVal(paramClass, paramValue[0]);
pathParamIndex++;
continue;
}
}
return params;
}