List of usage examples for com.google.common.reflect Parameter getAnnotation
@Override
@Nullable
public <A extends Annotation> A getAnnotation(Class<A> annotationType)
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private static List<Part> getParts(Invocation invocation, Multimap<String, ?> tokenValues) { ImmutableList.Builder<Part> parts = ImmutableList.<Part>builder(); for (Parameter param : parametersWithAnnotation(invocation.getInvokable(), PartParam.class)) { PartParam partParam = param.getAnnotation(PartParam.class); PartOptions options = new PartOptions(); if (!PartParam.NO_CONTENT_TYPE.equals(partParam.contentType())) options.contentType(partParam.contentType()); if (!PartParam.NO_FILENAME.equals(partParam.filename())) options.filename(replaceTokens(partParam.filename(), tokenValues)); Object arg = invocation.getArgs().get(param.hashCode()); checkNotNull(arg, partParam.name()); Part part = Part.create(partParam.name(), newPayload(arg), options); parts.add(part);//from w ww. j av a2s . c om } return parts.build(); }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
@VisibleForTesting static URI getEndpointInParametersOrNull(Invocation invocation, Injector injector) { Collection<Parameter> endpointParams = parametersWithAnnotation(invocation.getInvokable(), EndpointParam.class); if (endpointParams.isEmpty()) return null; checkState(endpointParams.size() == 1, "invocation.getInvoked() %s has too many EndpointParam annotations", invocation.getInvokable());/*from w w w.ja v a2s . c o m*/ Parameter endpointParam = get(endpointParams, 0); Function<Object, URI> parser = injector .getInstance(endpointParam.getAnnotation(EndpointParam.class).parser()); int position = endpointParam.hashCode();// guava issue 1243 try { URI returnVal = parser.apply(invocation.getArgs().get(position)); checkArgument(returnVal != null, format("endpoint for [%s] not configured for %s", position, invocation.getInvokable())); return returnVal; } catch (NullPointerException e) { throw new IllegalArgumentException(format("argument at index %d on invocation.getInvoked() %s was null", position, invocation.getInvokable()), e); } }
From source file:org.jclouds.rest.InputParamValidator.java
/** * Returns if all the method parameters passed all of their corresponding validators or throws an * {@link IllegalArgumentException}./*from w w w . j av a 2 s . c om*/ * * @param parameters * annotations for method's arguments * @param args * arguments that correspond to the array of annotations */ private void performParameterValidation(Invocation invocation) { for (Parameter param : invocation.getInvokable().getParameters()) { ParamValidators annotation = param.getAnnotation(ParamValidators.class); if (annotation == null) continue; List<Validator<?>> parameterValidators = getValidatorsFromAnnotation(annotation); // TODO position guava issue 1243 runPredicatesAgainstArg(parameterValidators, invocation.getArgs().get(param.hashCode())); } }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private Multimap<String, Object> getPathParamKeyValues(Invocation invocation) { Multimap<String, Object> pathParamValues = LinkedHashMultimap.create(); for (Parameter param : parametersWithAnnotation(invocation.getInvokable(), PathParam.class)) { PathParam pathParam = param.getAnnotation(PathParam.class); String paramKey = pathParam.value(); Optional<?> paramValue = getParamValue(invocation, param.getAnnotation(ParamParser.class), param.hashCode(), paramKey); if (paramValue.isPresent()) pathParamValues.put(paramKey, paramValue.get().toString()); }//from ww w. j av a2s .c o m return pathParamValues; }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private Multimap<String, Object> getFormParamKeyValues(Invocation invocation) { Multimap<String, Object> formParamValues = LinkedHashMultimap.create(); for (Parameter param : parametersWithAnnotation(invocation.getInvokable(), FormParam.class)) { FormParam formParam = param.getAnnotation(FormParam.class); String paramKey = formParam.value(); Optional<?> paramValue = getParamValue(invocation, param.getAnnotation(ParamParser.class), param.hashCode(), paramKey); if (paramValue.isPresent()) formParamValues.put(paramKey, paramValue.get().toString()); }/*from w w w. j a va2 s . c o m*/ return formParamValues; }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private Multimap<String, String> buildHeaders(Multimap<String, ?> tokenValues, Invocation invocation) { Multimap<String, String> headers = LinkedHashMultimap.create(); addHeaderIfAnnotationPresentOnMethod(headers, invocation, tokenValues); for (Parameter headerParam : parametersWithAnnotation(invocation.getInvokable(), HeaderParam.class)) { Annotation key = headerParam.getAnnotation(HeaderParam.class); String value = invocation.getArgs().get(headerParam.hashCode()).toString(); value = replaceTokens(value, tokenValues); headers.put(((HeaderParam) key).value(), value); }/* ww w . j av a 2 s . c om*/ addProducesIfPresentOnTypeOrMethod(headers, invocation); addConsumesIfPresentOnTypeOrMethod(headers, invocation); return headers; }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private Map<String, Object> buildPayloadParams(Invocation invocation) { Map<String, Object> payloadParamValues = Maps.newLinkedHashMap(); for (Parameter param : parametersWithAnnotation(invocation.getInvokable(), PayloadParam.class)) { PayloadParam payloadParam = param.getAnnotation(PayloadParam.class); String paramKey = payloadParam.value(); Optional<?> paramValue = getParamValue(invocation, param.getAnnotation(ParamParser.class), param.hashCode(), paramKey); if (paramValue.isPresent()) payloadParamValues.put(paramKey, paramValue.get()); }/*w ww.j a va 2 s . co m*/ return payloadParamValues; }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private Multimap<String, Object> getQueryParamKeyValues(Invocation invocation) { Multimap<String, Object> queryParamValues = LinkedHashMultimap.create(); for (Parameter param : parametersWithAnnotation(invocation.getInvokable(), QueryParam.class)) { QueryParam queryParam = param.getAnnotation(QueryParam.class); String paramKey = queryParam.value(); Optional<?> paramValue = getParamValue(invocation, param.getAnnotation(ParamParser.class), param.hashCode(), paramKey); if (paramValue.isPresent()) if (paramValue.get() instanceof Iterable) { @SuppressWarnings("unchecked") Iterable<String> iterableStrings = transform(Iterable.class.cast(paramValue.get()), toStringFunction()); queryParamValues.putAll(paramKey, iterableStrings); } else { queryParamValues.put(paramKey, paramValue.get().toString()); }// w w w . j a va 2 s. c o m } return queryParamValues; }
From source file:org.jclouds.rest.internal.RestAnnotationProcessor.java
private GeneratedHttpRequest decorateRequest(GeneratedHttpRequest request) throws NegativeArraySizeException { Invocation invocation = request.getInvocation(); List<Object> args = request.getInvocation().getArgs(); Set<Parameter> binderOrWrapWith = ImmutableSet .copyOf(concat(parametersWithAnnotation(invocation.getInvokable(), BinderParam.class), parametersWithAnnotation(invocation.getInvokable(), WrapWith.class))); OUTER: for (Parameter entry : binderOrWrapWith) { int position = entry.hashCode(); boolean shouldBreak = false; Binder binder;/* w w w . j ava 2 s .c o m*/ if (entry.isAnnotationPresent(BinderParam.class)) binder = injector.getInstance(entry.getAnnotation(BinderParam.class).value()); else binder = injector.getInstance(BindToJsonPayloadWrappedWith.Factory.class) .create(entry.getAnnotation(WrapWith.class).value()); Object arg = args.size() >= position + 1 ? args.get(position) : null; if (args.size() >= position + 1 && arg != null) { Class<?> parameterType = entry.getType().getRawType(); Class<? extends Object> argType = arg.getClass(); if (!argType.isArray() && parameterType.isArray()) {// TODO: && // invocation.getInvokable().isVarArgs()) // { int arrayLength = args.size() - invocation.getInvokable().getParameters().size() + 1; if (arrayLength == 0) break OUTER; arg = (Object[]) Array.newInstance(arg.getClass(), arrayLength); System.arraycopy(args.toArray(), position, arg, 0, arrayLength); shouldBreak = true; } else if (argType.isArray() && parameterType.isArray()) {// TODO: // && // invocation.getInvokable().isVarArgs()) // { } else { if (arg.getClass().isArray()) { Object[] payloadArray = (Object[]) arg; arg = payloadArray.length > 0 ? payloadArray[0] : null; } } if (arg != null) { request = binder.bindToRequest(request, arg); } if (shouldBreak) break OUTER; } else { if (position + 1 == invocation.getInvokable().getParameters().size() && entry.getType().isArray())// TODO: // && // invocation.getInvokable().isVarArgs()) continue OUTER; if (entry.isAnnotationPresent(Nullable.class)) { continue OUTER; } checkNotNull(arg, invocation.getInvokable().getName() + " parameter " + (position + 1)); } } return request; }