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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.jaxrs.client;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.URI;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.AsyncInvoker;
import javax.ws.rs.client.ClientException;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.InvocationCallback;
import javax.ws.rs.client.SyncInvoker;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.GenericEntity;
import javax.ws.rs.core.GenericType;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.PathSegment;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.bus.spring.SpringBusFactory;
import org.apache.cxf.common.classloader.ClassLoaderUtils;
import org.apache.cxf.common.classloader.ClassLoaderUtils.ClassLoaderHolder;
import org.apache.cxf.feature.Feature;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.jaxrs.ext.form.Form;
import org.apache.cxf.jaxrs.impl.ResponseImpl;
import org.apache.cxf.jaxrs.impl.UriBuilderImpl;
import org.apache.cxf.jaxrs.model.ParameterType;
import org.apache.cxf.jaxrs.model.URITemplate;
import org.apache.cxf.jaxrs.provider.ProviderFactory;
import org.apache.cxf.jaxrs.utils.HttpUtils;
import org.apache.cxf.jaxrs.utils.InjectionUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.jaxrs.utils.ParameterizedCollectionType;
import org.apache.cxf.message.Exchange;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
/**
* Http-centric web client
*
*/
public class WebClient extends AbstractClient {
private static final String REQUEST_CLASS = "request.class";
private static final String REQUEST_TYPE = "request.type";
private static final String RESPONSE_CLASS = "response.class";
private static final String RESPONSE_TYPE = "response.type";
private BodyWriter bodyWriter = new BodyWriter();
protected WebClient(String baseAddress) {
this(convertStringToURI(baseAddress));
}
protected WebClient(URI baseURI) {
this(new LocalClientState(baseURI));
}
protected WebClient(ClientState state) {
super(state);
cfg.getInInterceptors().add(new ClientAsyncResponseInterceptor());
}
/**
* Creates WebClient
* @param baseAddress baseAddress
*/
public static WebClient create(String baseAddress) {
JAXRSClientFactoryBean bean = new JAXRSClientFactoryBean();
bean.setAddress(baseAddress);
return bean.createWebClient();
}
/**
* Creates WebClient
* @param baseURI baseURI
*/
public static WebClient create(URI baseURI) {
return create(baseURI.toString());
}
/**
* Creates WebClient
* @param baseURI baseURI
*/
public static WebClient create(String baseURI, boolean threadSafe) {
return create(baseURI, Collections.emptyList(), threadSafe);
}
/**
* Creates WebClient
* @param baseURI baseURI
* @param providers list of providers
*/
public static WebClient create(String baseAddress, List providers) {
return create(baseAddress, providers, null);
}
/**
* Creates WebClient
* @param baseURI baseURI
* @param providers list of providers
*/
public static WebClient create(String baseAddress, List providers, boolean threadSafe) {
JAXRSClientFactoryBean bean = getBean(baseAddress, null);
bean.setProviders(providers);
if (threadSafe) {
bean.setInitialState(new ThreadLocalClientState(baseAddress));
}
return bean.createWebClient();
}
/**
* Creates a thread safe WebClient
* @param baseURI baseURI
* @param providers list of providers
* @param timeToKeepState time to keep this thread safe state.
*/
public static WebClient create(String baseAddress, List providers, long timeToKeepState) {
JAXRSClientFactoryBean bean = getBean(baseAddress, null);
bean.setProviders(providers);
bean.setInitialState(new ThreadLocalClientState(baseAddress, timeToKeepState));
return bean.createWebClient();
}
/**
* Creates WebClient
* @param baseAddress baseAddress
* @param providers list of providers
* @param configLocation classpath location of the configuration resource, can be null
* @return WebClient instance
*/
public static WebClient create(String baseAddress, List providers, String configLocation) {
JAXRSClientFactoryBean bean = getBean(baseAddress, configLocation);
bean.setProviders(providers);
return bean.createWebClient();
}
/**
* Creates WebClient with a list of custom features
* @param baseAddress baseAddress
* @param providers list of providers
* @param features the features which will be applied to the client
* @param configLocation classpath location of the configuration resource, can be null
* @return WebClient instance
*/
public static WebClient create(String baseAddress,
List providers,
List features,
String configLocation) {
JAXRSClientFactoryBean bean = getBean(baseAddress, configLocation);
bean.setProviders(providers);
bean.setFeatures(features);
return bean.createWebClient();
}
/**
* Creates WebClient
* @param baseAddress baseAddress
* @param configLocation classpath location of the configuration resource, can be null
* @return WebClient instance
*/
public static WebClient create(String baseAddress, String configLocation) {
JAXRSClientFactoryBean bean = getBean(baseAddress, configLocation);
return bean.createWebClient();
}
/**
* Creates WebClient which will do basic authentication
* @param baseAddress baseAddress
* @param username username
* @param password password
* @param configLocation classpath location of the configuration resource, can be null
* @return WebClient instance
*/
public static WebClient create(String baseAddress, String username, String password,
String configLocation) {
JAXRSClientFactoryBean bean = getBean(baseAddress, configLocation);
bean.setUsername(username);
bean.setPassword(password);
return bean.createWebClient();
}
/**
* Creates WebClient which will do basic authentication
* @param baseAddress baseAddress
* @param providers list of providers
* @param username username
* @param password password
* @param configLocation classpath location of the configuration resource, can be null
* @return WebClient instance
*/
public static WebClient create(String baseAddress, List providers,
String username, String password, String configLocation) {
JAXRSClientFactoryBean bean = getBean(baseAddress, configLocation);
bean.setUsername(username);
bean.setPassword(password);
bean.setProviders(providers);
return bean.createWebClient();
}
/**
* Creates WebClient, baseURI will be set to Client currentURI
* @param client existing client
*/
public static WebClient fromClient(Client client) {
return fromClient(client, false);
}
/**
* Creates WebClient, baseURI will be set to Client currentURI
* @param client existing client
* @param inheritHeaders if existing Client headers can be inherited by new client
*/
public static WebClient fromClient(Client client, boolean inheritHeaders) {
WebClient webClient = null;
ClientState clientState = getClientState(client);
if (clientState == null) {
webClient = create(client.getCurrentURI());
if (inheritHeaders) {
webClient.headers(client.getHeaders());
}
} else {
MultivaluedMap headers = inheritHeaders ? client.getHeaders() : null;
webClient = new WebClient(clientState.newState(client.getCurrentURI(), headers, null));
}
copyProperties(webClient, client);
return webClient;
}
/**
* Converts object to Client
* @param object the object
* @return Client object converted to Client
*/
public static Client client(Object object) {
if (object instanceof Client) {
return (Client)object;
}
return null;
}
/**
* Retieves ClientConfiguration
* @param client proxy or http-centric Client
* @return underlying ClientConfiguration instance
*/
public static ClientConfiguration getConfig(Object client) {
if (client instanceof Client) {
if (client instanceof WebClient) {
return ((AbstractClient)client).getConfiguration();
} else if (client instanceof InvocationHandlerAware) {
Object handler = ((InvocationHandlerAware)client).getInvocationHandler();
return ((AbstractClient)handler).getConfiguration();
}
}
throw new IllegalArgumentException("Not a valid Client");
}
/**
* Does HTTP invocation
* @param httpMethod HTTP method
* @param body request body, can be null
* @return JAXRS Response, entity may hold a string representaion of
* error message if client or server error occured
*/
public Response invoke(String httpMethod, Object body) {
return doInvoke(httpMethod, body, null, Response.class, Response.class);
}
/**
* Does HTTP POST invocation
* @param body request body, can be null
* @return JAXRS Response
*/
public Response post(Object body) {
return invoke("POST", body);
}
/**
* Does HTTP PUT invocation
* @param body request body, can be null
* @return JAXRS Response
*/
public Response put(Object body) {
return invoke("PUT", body);
}
/**
* Does HTTP GET invocation
* @return JAXRS Response
*/
public Response get() {
return invoke("GET", null);
}
/**
* Does HTTP HEAD invocation
* @return JAXRS Response
*/
public Response head() {
return invoke("HEAD", null);
}
/**
* Does HTTP OPTIONS invocation
* @return JAXRS Response
*/
public Response options() {
return invoke("OPTIONS", null);
}
/**
* Does HTTP DELETE invocation
* @return JAXRS Response
*/
public Response delete() {
return invoke("DELETE", null);
}
/**
* Posts form data
* @param values form values
* @return JAXRS Response
*/
public Response form(Map> values) {
type(MediaType.APPLICATION_FORM_URLENCODED);
return doInvoke("POST", values, null, Response.class, Response.class);
}
/**
* Posts form data
* @param form form values
* @return JAXRS Response
*/
public Response form(Form form) {
type(MediaType.APPLICATION_FORM_URLENCODED);
return doInvoke("POST", form.getData(), null, Response.class, Response.class);
}
/**
* Does HTTP invocation and returns types response object
* @param httpMethod HTTP method
* @param body request body, can be null
* @param responseType generic response type
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T invoke(String httpMethod, Object body, GenericType responseType) {
@SuppressWarnings("unchecked")
Class responseClass = (Class)responseType.getRawType();
Response r = doInvoke(httpMethod, body, null, responseClass, responseType.getType());
return castResponse(r, responseClass);
}
/**
* Does HTTP invocation and returns types response object
* @param httpMethod HTTP method
* @param body request body, can be null
* @param responseClass expected type of response object
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T invoke(String httpMethod, Object body, Class responseClass) {
Response r = doInvoke(httpMethod, body, null, responseClass, responseClass);
return castResponse(r, responseClass);
}
/**
* Does HTTP invocation and returns types response object
* @param httpMethod HTTP method
* @param body request body, can be null
* @param requestClass request body class
* @param responseClass expected type of response object
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T invoke(String httpMethod, Object body, Class requestClass, Class responseClass) {
Response r = doInvoke(httpMethod, body, requestClass, null, responseClass, responseClass);
return castResponse(r, responseClass);
}
@SuppressWarnings("unchecked")
private T castResponse(Response r, Class responseClass) {
return (T)(responseClass == Response.class ? r : r.getEntity());
}
/**
* Does HTTP POST invocation and returns typed response object
* @param body request body, can be null
* @param responseClass expected type of response object
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T post(Object body, Class responseClass) {
return invoke("POST", body, responseClass);
}
/**
* Does HTTP POST invocation and returns typed response object
* @param body request body, can be null
* @param responseType generic response type
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T post(Object body, GenericType responseType) {
return invoke("POST", body, responseType);
}
/**
* Does HTTP Async POST invocation and returns Future.
* Shortcut for async().post(Entity, InvocationCallback)
* @param callback invocation callback
* @return the future
*/
public Future post(Object body, InvocationCallback callback) {
return doInvokeAsyncCallback("POST", body, body.getClass(), null, callback);
}
/**
* Does HTTP PUT invocation and returns typed response object
* @param body request body, can be null
* @param responseClass expected type of response object
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T put(Object body, Class responseClass) {
return invoke("PUT", body, responseClass);
}
/**
* Does HTTP PUT invocation and returns typed response object
* @param body request body, can be null
* @param responseType generic response type
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T put(Object body, GenericType responseType) {
return invoke("PUT", body, responseType);
}
/**
* Does HTTP Async PUT invocation and returns Future.
* Shortcut for async().put(Entity, InvocationCallback)
* @param callback invocation callback
* @return the future
*/
public Future put(Object body, InvocationCallback callback) {
return doInvokeAsyncCallback("PUT", body, body.getClass(), null, callback);
}
/**
* Does HTTP invocation and returns a collection of typed objects
* @param httpMethod HTTP method
* @param body request body, can be null
* @param memberClass expected type of collection member class
* @return typed collection
*/
public Collection invokeAndGetCollection(String httpMethod, Object body,
Class memberClass) {
Response r = doInvoke(httpMethod, body, null,
Collection.class, new ParameterizedCollectionType(memberClass));
return CastUtils.cast((Collection)r.getEntity(), memberClass);
}
/**
* Posts a collection of typed objects
* @param collection request body
* @param memberClass type of collection member class
* @return JAX-RS Response
*/
public Response postCollection(Object collection, Class memberClass) {
return doInvoke("POST", collection, new ParameterizedCollectionType(memberClass),
Response.class, Response.class);
}
/**
* Posts a collection of typed objects
* @param collection request body
* @param memberClass type of collection member class
* @param responseClass expected type of response object
* @return JAX-RS Response
*/
public T2 postCollection(Object collection, Class memberClass,
Class responseClass) {
Response r = doInvoke("POST", collection, new ParameterizedCollectionType(memberClass),
responseClass, responseClass);
return responseClass.cast(responseClass == Response.class ? r : r.getEntity());
}
/**
* Posts collection of typed objects and returns a collection of typed objects
* @param collection request body
* @param memberClass type of collection member class
* @param responseClass expected type of response object
* @return JAX-RS Response
*/
public Collection postAndGetCollection(Object collection,
Class memberClass,
Class responseClass) {
Response r = doInvoke("POST", collection, new ParameterizedCollectionType(memberClass),
Collection.class, new ParameterizedCollectionType(responseClass));
return CastUtils.cast((Collection)r.getEntity(), responseClass);
}
/**
* Posts the object and returns a collection of typed objects
* @param body request body
* @param memberClass type of collection member class
* @param responseClass expected type of response object
* @return JAX-RS Response
*/
public Collection postObjectGetCollection(Object body,
Class responseClass) {
Response r = doInvoke("POST", body, null, Collection.class,
new ParameterizedCollectionType(responseClass));
return CastUtils.cast((Collection)r.getEntity(), responseClass);
}
/**
* Posts request body and returns a collection of typed objects
* @param body request body, can be null
* @param memberClass expected type of collection member class
* @return typed collection
*/
public Collection postAndGetCollection(Object body, Class memberClass) {
return invokeAndGetCollection("POST", body, memberClass);
}
/**
* Does HTTP GET invocation and returns a collection of typed objects
* @param body request body, can be null
* @param memberClass expected type of collection member class
* @return typed collection
*/
public Collection getCollection(Class memberClass) {
return invokeAndGetCollection("GET", null, memberClass);
}
/**
* Does HTTP GET invocation and returns typed response object
* @param body request body, can be null
* @param responseClass expected type of response object
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T get(Class responseClass) {
return invoke("GET", null, responseClass);
}
/**
* Does HTTP GET invocation and returns typed response object
* @param responseType generic response type
* @return typed object, can be null. Response status code and headers
* can be obtained too, see Client.getResponse()
*/
public T get(GenericType responseType) {
return invoke("GET", null, responseType);
}
/**
* Does HTTP Async GET invocation and returns Future.
* Shortcut for async().get(InvocationCallback)
* @param callback invocation callback
* @return the future
*/
public Future get(InvocationCallback callback) {
return doInvokeAsyncCallback("GET", null, null, null, callback);
}
/**
* Updates the current URI path
* @param path new relative path segment
* @return updated WebClient
*/
public WebClient path(Object path) {
getCurrentBuilder().path(convertParamValue(path, null));
return this;
}
/**
* Updates the current URI path with path segment which may contain template variables
* @param path new relative path segment
* @param values template variable values
* @return updated WebClient
*/
public WebClient path(String path, Object... values) {
URI u = new UriBuilderImpl().uri(URI.create("http://tempuri")).path(path).buildFromEncoded(values);
getState().setTemplates(getTemplateParametersMap(new URITemplate(path), Arrays.asList(values)));
return path(u.getRawPath());
}
/**
* Updates the current URI query parameters
* @param name query name
* @param values query values
* @return updated WebClient
*/
public WebClient query(String name, Object ...values) {
addMatrixQueryParamsToBuilder(getCurrentBuilder(), name, ParameterType.QUERY, null, values);
return this;
}
/**
* Updates the current URI matrix parameters
* @param name matrix name
* @param values matrix values
* @return updated WebClient
*/
public WebClient matrix(String name, Object ...values) {
addMatrixQueryParamsToBuilder(getCurrentBuilder(), name, ParameterType.MATRIX, null, values);
return this;
}
/**
* Updates the current URI fragment
* @param name fragment name
* @return updated WebClient
*/
public WebClient fragment(String name) {
getCurrentBuilder().fragment(name);
return this;
}
/**
* Moves WebClient to a new baseURI or forwards to new currentURI
* @param newAddress new URI
* @param forward if true then currentURI will be based on baseURI
* @return updated WebClient
*/
public WebClient to(String newAddress, boolean forward) {
getState().setTemplates(null);
if (forward) {
if (!newAddress.startsWith(getBaseURI().toString())) {
throw new IllegalArgumentException("Base address can not be preserved");
}
resetCurrentBuilder(URI.create(newAddress));
} else {
resetBaseAddress(URI.create(newAddress));
}
return this;
}
/**
* Goes back
* @param fast if true then goes back to baseURI otherwise to a previous path segment
* @return updated WebClient
*/
public WebClient back(boolean fast) {
getState().setTemplates(null);
if (fast) {
getCurrentBuilder().replacePath(getBaseURI().getPath());
} else {
URI uri = getCurrentURI();
if (uri == getBaseURI()) {
return this;
}
List segments = JAXRSUtils.getPathSegments(uri.getPath(), false);
getCurrentBuilder().replacePath(null);
for (int i = 0; i < segments.size() - 1; i++) {
getCurrentBuilder().path(HttpUtils.fromPathSegment(segments.get(i)));
}
}
return this;
}
/**
* Replaces the current path with the new value.
* @param path new path value. If it starts from "/" then all the current
* path starting from the base URI will be replaced, otherwise only the
* last path segment will be replaced. Providing a null value is equivalent
* to calling back(true)
* @return updated WebClient
*/
public WebClient replacePath(String path) {
if (path == null) {
return back(true);
}
back(path.startsWith("/") ? true : false);
return path(path);
}
/**
* Resets the current query
* @return updated WebClient
*/
public WebClient resetQuery() {
return replaceQuery(null);
}
/**
* Replaces the current query with the new value.
* @param queryString the new value, providing a null is
* equivalent to calling resetQuery().
* @return updated WebClient
*/
public WebClient replaceQuery(String queryString) {
getCurrentBuilder().replaceQuery(queryString);
return this;
}
/**
* Replaces the header value with the new values.
* @param headerName headerValues
* @param value new values, null is equivalent to removing the header
* @return updated WebClient
*/
public WebClient replaceHeader(String headerName, String value) {
MultivaluedMap headers = getState().getRequestHeaders();
headers.remove(headerName);
if (value != null) {
headers.add(headerName, value);
}
return this;
}
/**
* Replaces the current query with the new value.
* @param queryString the new value, providing a null is
* equivalent to calling resetQuery().
* @return updated WebClient
*/
public WebClient replaceQueryParam(String queryParam, Object... value) {
getCurrentBuilder().replaceQueryParam(queryParam, value);
return this;
}
@Override
public WebClient type(MediaType ct) {
return (WebClient)super.type(ct);
}
@Override
public WebClient type(String type) {
return (WebClient)super.type(type);
}
@Override
public WebClient accept(MediaType... types) {
return (WebClient)super.accept(types);
}
@Override
public WebClient accept(String... types) {
return (WebClient)super.accept(types);
}
@Override
public WebClient language(String language) {
return (WebClient)super.language(language);
}
@Override
public WebClient acceptLanguage(String ...languages) {
return (WebClient)super.acceptLanguage(languages);
}
@Override
public WebClient encoding(String encoding) {
return (WebClient)super.encoding(encoding);
}
@Override
public WebClient acceptEncoding(String ...encodings) {
return (WebClient)super.acceptEncoding(encodings);
}
@Override
public WebClient match(EntityTag tag, boolean ifNot) {
return (WebClient)super.match(tag, ifNot);
}
@Override
public WebClient modified(Date date, boolean ifNot) {
return (WebClient)super.modified(date, ifNot);
}
@Override
public WebClient cookie(Cookie cookie) {
return (WebClient)super.cookie(cookie);
}
@Override
public WebClient header(String name, Object... values) {
return (WebClient)super.header(name, values);
}
@Override
public WebClient headers(MultivaluedMap map) {
return (WebClient)super.headers(map);
}
@Override
public WebClient reset() {
//clearTemplates();
return (WebClient)super.reset();
}
protected Response doInvoke(String httpMethod,
Object body,
Type inGenericType,
Class responseClass,
Type outGenericType) {
return doInvoke(httpMethod, body, body == null ? null : body.getClass(), inGenericType,
responseClass, outGenericType);
}
private static Type getGenericEntityType(GenericEntity genericEntity, Type inGenericType) {
if (inGenericType != null && genericEntity.getType() != inGenericType) {
throw new IllegalArgumentException("Illegal type");
}
return genericEntity.getType();
}
protected Response doInvoke(String httpMethod,
Object body,
Class requestClass,
Type inGenericType,
Class responseClass,
Type outGenericType) {
if (body instanceof GenericEntity) {
GenericEntity genericEntity = (GenericEntity)body;
body = genericEntity.getEntity();
requestClass = genericEntity.getRawType();
inGenericType = getGenericEntityType(genericEntity, inGenericType);
}
MultivaluedMap headers = prepareHeaders(responseClass, body);
resetResponse();
Response r = doChainedInvocation(httpMethod, headers, body, requestClass, inGenericType,
responseClass, outGenericType, null, null);
if (r.getStatus() >= 300 && responseClass != Response.class) {
throw convertToWebApplicationException(r);
}
return r;
}
private ParameterizedType findCallbackType(Class cls) {
if (cls == null || cls == Object.class) {
return null;
}
for (Type c2 : cls.getGenericInterfaces()) {
if (c2 instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)c2;
if (InvocationCallback.class.equals(pt.getRawType())) {
return pt;
}
}
}
return findCallbackType(cls.getSuperclass());
}
private Type getCallbackType(InvocationCallback callback) {
Class cls = callback.getClass();
ParameterizedType t = findCallbackType(cls);
for (Type tp : t.getActualTypeArguments()) {
return tp;
}
return null;
}
protected Future doInvokeAsyncCallback(String httpMethod,
Object body,
Class requestClass,
Type inType,
InvocationCallback callback) {
Type outType = getCallbackType(callback);
Class respClass = null;
if (outType instanceof Class) {
respClass = (Class)outType;
} else if (outType instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)outType;
if (pt.getRawType() instanceof Class) {
respClass = (Class)pt.getRawType();
outType = InjectionUtils.getActualType(pt);
}
}
return doInvokeAsync(httpMethod, body, requestClass, inType, respClass, outType, callback);
}
protected Future doInvokeAsync(String httpMethod,
Object body,
Class requestClass,
Type inType,
Class respClass,
Type outType,
InvocationCallback callback) {
if (body instanceof GenericEntity) {
GenericEntity genericEntity = (GenericEntity)body;
body = genericEntity.getEntity();
requestClass = genericEntity.getRawType();
inType = getGenericEntityType(genericEntity, inType);
}
MultivaluedMap headers = prepareHeaders(respClass, body);
resetResponse();
Message m = finalizeMessage(httpMethod, headers, body, requestClass, inType,
respClass, outType, null, null);
m.getExchange().setSynchronous(false);
JaxrsClientCallback cb = new JaxrsClientCallback(callback, respClass, outType);
m.getExchange().put(JaxrsClientCallback.class, cb);
doRunInterceptorChain(m);
Future future = cb.createFuture();
if (m.getExchange().get(Exception.class) != null) {
Throwable ex = m.getExchange().get(Exception.class);
if (ex instanceof Fault) {
ex = ex.getCause();
}
cb.handleException(m, ex);
}
return future;
}
private MultivaluedMap prepareHeaders(Class responseClass, Object body) {
MultivaluedMap headers = getHeaders();
if (body != null && headers.getFirst(HttpHeaders.CONTENT_TYPE) == null) {
String ct = body instanceof Form ? MediaType.APPLICATION_FORM_URLENCODED
: MediaType.APPLICATION_XML;
headers.putSingle(HttpHeaders.CONTENT_TYPE, ct);
}
if (responseClass != null && responseClass != Response.class
&& headers.getFirst(HttpHeaders.ACCEPT) == null) {
headers.putSingle(HttpHeaders.ACCEPT, JAXRSUtils.mediaTypeToString(MediaType.APPLICATION_XML_TYPE));
}
return headers;
}
private void handleAsyncResponse(Message message) {
JaxrsClientCallback cb = message.getExchange().get(JaxrsClientCallback.class);
Response r = null;
try {
Object[] results = preProcessResult(message);
if (results != null && results.length == 1) {
r = (Response)results[0];
}
} catch (Exception ex) {
Throwable t = ex instanceof WebApplicationException
? (WebApplicationException)ex
: ex instanceof ClientException
? (ClientException)ex : new ClientException(ex);
cb.handleException(message, t);
return;
}
if (r == null) {
try {
r = handleResponse(message.getExchange().getOutMessage(),
cb.getResponseClass(),
cb.getOutGenericType());
} catch (Throwable t) {
cb.handleException(message, t);
return;
}
}
if (cb.getResponseClass() == null || Response.class.equals(cb.getResponseClass())) {
cb.handleResponse(message, new Object[] {r});
} else if (r.getStatus() >= 300) {
cb.handleException(message, convertToWebApplicationException(r));
} else {
cb.handleResponse(message, new Object[] {r.getEntity()});
closeAsyncResponseIfPossible(r, message, cb);
}
}
private void handleAsyncFault(Message message) {
}
private void closeAsyncResponseIfPossible(Response r, Message outMessage, JaxrsClientCallback cb) {
if (responseStreamCanBeClosed(outMessage, cb.getResponseClass())) {
r.close();
}
}
//TODO: retry invocation will not work in case of async request failures for the moment
@Override
protected Object retryInvoke(URI newRequestURI,
MultivaluedMap headers,
Object body,
Exchange exchange,
Map invContext) throws Throwable {
Map reqContext = CastUtils.cast((Map)invContext.get(REQUEST_CONTEXT));
String httpMethod = (String)reqContext.get(Message.HTTP_REQUEST_METHOD);
Class requestClass = (Class)reqContext.get(REQUEST_CLASS);
Type inType = (Type)reqContext.get(REQUEST_TYPE);
Class respClass = (Class)reqContext.get(RESPONSE_CLASS);
Type outType = (Type)reqContext.get(RESPONSE_TYPE);
return doChainedInvocation(httpMethod, headers, body, requestClass, inType,
respClass, outType, exchange, invContext);
}
//CHECKSTYLE:OFF
protected Response doChainedInvocation(String httpMethod,
MultivaluedMap headers,
Object body,
Class requestClass,
Type inType,
Class respClass,
Type outType,
Exchange exchange,
Map invContext) {
//CHECKSTYLE:ON
Bus configuredBus = getConfiguration().getBus();
Bus origBus = BusFactory.getAndSetThreadDefaultBus(configuredBus);
ClassLoaderHolder origLoader = null;
try {
ClassLoader loader = configuredBus.getExtension(ClassLoader.class);
if (loader != null) {
origLoader = ClassLoaderUtils.setThreadContextClassloader(loader);
}
Message m = finalizeMessage(httpMethod, headers, body, requestClass, inType,
respClass, outType, exchange, invContext);
doRunInterceptorChain(m);
return doResponse(m, respClass, outType);
} finally {
if (origLoader != null) {
origLoader.reset();
}
if (origBus != configuredBus) {
BusFactory.setThreadDefaultBus(origBus);
}
}
}
//CHECKSTYLE:OFF
private Message finalizeMessage(String httpMethod,
MultivaluedMap headers,
Object body,
Class requestClass,
Type inGenericType,
Class responseClass,
Type outGenericType,
Exchange exchange,
Map invContext) {
//CHECKSTYLE:ON
URI uri = getCurrentURI();
Message m = createMessage(body, httpMethod, headers, uri, exchange,
invContext, false);
setSupportOnewayResponseProperty(m);
Map reqContext = getRequestContext(m);
reqContext.put(Message.HTTP_REQUEST_METHOD, httpMethod);
reqContext.put(REQUEST_CLASS, requestClass);
reqContext.put(REQUEST_TYPE, inGenericType);
reqContext.put(RESPONSE_CLASS, responseClass);
reqContext.put(RESPONSE_TYPE, outGenericType);
m.getInterceptorChain().add(bodyWriter);
setPlainOperationNameProperty(m, httpMethod + ":" + uri.toString());
return m;
}
protected Response doResponse(Message m,
Class responseClass,
Type outGenericType) {
try {
Object[] results = preProcessResult(m);
if (results != null && results.length == 1) {
return (Response)results[0];
}
} catch (Exception ex) {
throw ex instanceof WebApplicationException
? (WebApplicationException)ex
: ex instanceof ClientException
? new ClientException(ex) : new RuntimeException(ex);
}
Response response = null;
Object entity = null;
try {
response = handleResponse(m, responseClass, outGenericType);
entity = response.getEntity();
return response;
} catch (RuntimeException ex) {
entity = ex;
throw ex;
} finally {
completeExchange(entity, m.getExchange(), false);
}
}
protected Response handleResponse(Message outMessage, Class responseClass, Type genericType) {
try {
ResponseBuilder rb = setResponseBuilder(outMessage, outMessage.getExchange());
Response currentResponse = rb.clone().build();
Object entity = readBody(currentResponse, outMessage, responseClass, genericType,
new Annotation[]{});
if (entity == null) {
int status = currentResponse.getStatus();
if (status >= 400) {
entity = currentResponse.getEntity();
}
}
rb = JAXRSUtils.fromResponse(currentResponse);
rb.entity(entity instanceof Response
? ((Response)entity).getEntity() : entity);
Response r = rb.build();
((ResponseImpl)r).setMessage(outMessage);
getState().setResponse(r);
return r;
} catch (Throwable ex) {
throw (ex instanceof ClientException) ? (ClientException)ex
: new ClientException(ex);
} finally {
ProviderFactory.getInstance(outMessage).clearThreadLocalProxies();
}
}
private class BodyWriter extends AbstractBodyWriter {
protected void doWriteBody(Message outMessage,
Object body,
Type bodyType,
Annotation[] customAnns,
OutputStream os) throws Fault {
Map requestContext = WebClient.this.getRequestContext(outMessage);
Class requestClass = null;
Type requestType = null;
if (requestContext != null) {
requestClass = (Class)requestContext.get(REQUEST_CLASS);
requestType = (Type)requestContext.get(REQUEST_TYPE);
}
if (bodyType != null) {
requestType = bodyType;
}
Annotation[] anns = customAnns != null ? customAnns : new Annotation[]{};
boolean isAssignable = requestClass != null && requestClass.isAssignableFrom(body.getClass());
try {
writeBody(body, outMessage,
requestClass == null || !isAssignable ? body.getClass() : requestClass,
requestType == null || !isAssignable ? body.getClass() : requestType,
anns, os);
} catch (Exception ex) {
throw new Fault(ex);
}
}
}
static void copyProperties(Client toClient, Client fromClient) {
AbstractClient newClient = toAbstractClient(toClient);
AbstractClient oldClient = toAbstractClient(fromClient);
newClient.setConfiguration(oldClient.getConfiguration());
}
private static AbstractClient toAbstractClient(Object client) {
if (client instanceof AbstractClient) {
return (AbstractClient)client;
} else {
return (AbstractClient)((InvocationHandlerAware)client).getInvocationHandler();
}
}
static JAXRSClientFactoryBean getBean(String baseAddress, String configLocation) {
JAXRSClientFactoryBean bean = new JAXRSClientFactoryBean();
if (configLocation != null) {
SpringBusFactory bf = new SpringBusFactory();
Bus bus = bf.createBus(configLocation);
bean.setBus(bus);
}
bean.setAddress(baseAddress);
return bean;
}
static ClientState getClientState(Client client) {
ClientState clientState = null;
if (client instanceof WebClient) {
clientState = ((AbstractClient)client).getState();
} else if (client instanceof InvocationHandlerAware) {
Object handler = ((InvocationHandlerAware)client).getInvocationHandler();
clientState = ((AbstractClient)handler).getState();
}
return clientState;
}
static URI convertStringToURI(String baseAddress) {
try {
return URI.create(baseAddress);
} catch (RuntimeException ex) {
// no need to check "https" scheme or indeed ':'
// as the relative address will not work as the base address
if (baseAddress.startsWith(HTTP_SCHEME)) {
return new UriBuilderImpl().uriAsTemplate(baseAddress).build();
} else {
throw ex;
}
}
}
// Link to JAX-RS 2.0 AsyncInvoker
public AsyncInvoker async() {
return new AsyncInvokerImpl();
}
// Link to JAX-RS 2.0 SyncInvoker
public SyncInvoker sync() {
return new SyncInvokerImpl();
}
class ClientAsyncResponseInterceptor extends AbstractPhaseInterceptor {
public ClientAsyncResponseInterceptor() {
super(Phase.UNMARSHAL);
}
@Override
public void handleMessage(Message message) throws Fault {
if (message.getExchange().isSynchronous()) {
return;
}
handleAsyncResponse(message);
}
@Override
public void handleFault(Message message) {
if (message.getExchange().isSynchronous()) {
return;
}
handleAsyncFault(message);
}
}
private void setEntityHeaders(Entity entity) {
type(entity.getMediaType());
if (entity.getLanguage() != null) {
language(entity.getLanguage().toString());
}
if (entity.getEncoding() != null) {
encoding(entity.getEncoding());
}
}
class AsyncInvokerImpl implements AsyncInvoker {
@Override
public Future get() {
return get(Response.class);
}
@Override
public Future get(Class responseType) {
return method("GET", responseType);
}
@Override
public Future get(GenericType responseType) {
return method("GET", responseType);
}
@Override
public Future get(InvocationCallback callback) {
return method("GET", callback);
}
@Override
public Future put(Entity entity) {
return put(entity, Response.class);
}
@Override
public Future put(Entity entity, Class responseType) {
return method("PUT", entity, responseType);
}
@Override
public Future put(Entity entity, GenericType responseType) {
return method("PUT", entity, responseType);
}
@Override
public Future put(Entity entity, InvocationCallback callback) {
return method("PUT", entity, callback);
}
@Override
public Future post(Entity entity) {
return post(entity, Response.class);
}
@Override
public Future post(Entity entity, Class responseType) {
return method("POST", entity, responseType);
}
@Override
public Future post(Entity entity, GenericType responseType) {
return method("POST", entity, responseType);
}
@Override
public Future post(Entity entity, InvocationCallback callback) {
return method("POST", entity, callback);
}
@Override
public Future delete() {
return delete(Response.class);
}
@Override
public Future delete(Class responseType) {
return method("DELETE", responseType);
}
@Override
public Future delete(GenericType responseType) {
return method("DELETE", responseType);
}
@Override
public Future delete(InvocationCallback callback) {
return method("DELETE", callback);
}
@Override
public Future head() {
return method("HEAD");
}
@Override
public Future head(InvocationCallback callback) {
return method("HEAD", callback);
}
@Override
public Future options() {
return options(Response.class);
}
@Override
public Future options(Class responseType) {
return method("OPTIONS", responseType);
}
@Override
public Future options(GenericType responseType) {
return method("OPTIONS", responseType);
}
@Override
public Future options(InvocationCallback callback) {
return method("OPTIONS", callback);
}
@Override
public Future trace() {
return trace(Response.class);
}
@Override
public Future trace(Class responseType) {
return method("TRACE", responseType);
}
@Override
public Future trace(GenericType responseType) {
return method("TRACE", responseType);
}
@Override
public Future trace(InvocationCallback callback) {
return method("TRACE", callback);
}
@Override
public Future method(String name) {
return method(name, Response.class);
}
@Override
public Future method(String name, Class responseType) {
return doInvokeAsync(name, null, null, null, responseType, responseType, null);
}
@Override
public Future method(String name, GenericType responseType) {
return doInvokeAsync(name, null, null, null, responseType.getRawType(),
responseType.getType(), null);
}
@Override
public Future method(String name, InvocationCallback callback) {
return doInvokeAsyncCallback(name, null, null, null, callback);
}
@Override
public Future method(String name, Entity entity) {
return method(name, entity, Response.class);
}
@Override
public Future method(String name, Entity entity, Class responseType) {
WebClient.this.setEntityHeaders(entity);
return doInvokeAsync(name,
entity == null ? null : entity.getEntity(),
entity == null ? null : entity.getEntity().getClass(),
null,
responseType, responseType, null);
}
@Override
public Future method(String name, Entity entity, GenericType responseType) {
WebClient.this.setEntityHeaders(entity);
return doInvokeAsync(name,
entity == null ? null : entity.getEntity(),
entity == null ? null : entity.getEntity().getClass(),
null,
responseType.getRawType(), responseType.getType(), null);
}
@Override
public Future method(String name, Entity entity, InvocationCallback callback) {
WebClient.this.setEntityHeaders(entity);
return doInvokeAsyncCallback(name,
entity == null ? null : entity.getEntity(),
entity == null ? null : entity.getEntity().getClass(),
null, callback);
}
}
class SyncInvokerImpl implements SyncInvoker {
@Override
public Response delete() {
return method(HttpMethod.DELETE);
}
@Override
public T delete(Class cls) {
return method(HttpMethod.DELETE, cls);
}
@Override
public T delete(GenericType genericType) {
return method(HttpMethod.DELETE, genericType);
}
@Override
public Response get() {
return method(HttpMethod.GET);
}
@Override
public T get(Class cls) {
return method(HttpMethod.GET, cls);
}
@Override
public T get(GenericType genericType) {
return method(HttpMethod.GET, genericType);
}
@Override
public Response head() {
return method(HttpMethod.HEAD);
}
@Override
public Response options() {
return method(HttpMethod.OPTIONS);
}
@Override
public T options(Class cls) {
return method(HttpMethod.OPTIONS, cls);
}
@Override
public T options(GenericType genericType) {
return method(HttpMethod.OPTIONS, genericType);
}
@Override
public Response post(Entity entity) {
return method(HttpMethod.POST, entity);
}
@Override
public T post(Entity entity, Class cls) {
return method(HttpMethod.POST, entity, cls);
}
@Override
public T post(Entity entity, GenericType genericType) {
return method(HttpMethod.POST, entity, genericType);
}
@Override
public Response put(Entity entity) {
return method(HttpMethod.PUT, entity);
}
@Override
public T put(Entity entity, Class cls) {
return method(HttpMethod.PUT, entity, cls);
}
@Override
public T put(Entity entity, GenericType genericType) {
return method(HttpMethod.PUT, entity, genericType);
}
@Override
public Response trace() {
return method("TRACE");
}
@Override
public T trace(Class cls) {
return method("TRACE", cls);
}
@Override
public T trace(GenericType genericType) {
return method("TRACE", genericType);
}
@Override
public Response method(String method) {
return method(method, Response.class);
}
@Override
public T method(String method, Class cls) {
return invoke(method, null, cls);
}
@Override
public T method(String method, GenericType genericType) {
return invoke(method, null, genericType);
}
@Override
public Response method(String method, Entity entity) {
return method(method, entity, Response.class);
}
@Override
public T method(String method, Entity entity, Class cls) {
WebClient.this.setEntityHeaders(entity);
return invoke(method, entity.getEntity(), cls);
}
@Override
public T method(String method, Entity entity, GenericType genericType) {
WebClient.this.setEntityHeaders(entity);
return invoke(method, entity.getEntity(), genericType);
}
}
}