/*
* Copyright 2011 JBoss, by Red Hat, Inc
*
* Licensed 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.jboss.errai.enterprise.client.jaxrs.api;
import org.jboss.errai.common.client.api.Assert;
import org.jboss.errai.common.client.api.RemoteCallback;
import org.jboss.errai.common.client.framework.ProxyFactory;
import org.jboss.errai.common.client.framework.RemoteServiceProxyFactory;
import org.jboss.errai.enterprise.client.jaxrs.AbstractJaxrsProxy;
import com.google.common.collect.Lists;
import com.google.gwt.dom.client.AnchorElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.user.client.Cookies;
/**
* API for communicating with REST endpoints based on JAX-RS interfaces.
*
* @author Christian Sadilek <csadilek@redhat.com>
*/
public class RestClient {
private static ProxyFactory proxyProvider = new RemoteServiceProxyFactory();
/**
* Creates a client/proxy for the provided JAX-RS resource interface.
*
* @param remoteService
* the JAX-RS resource interface. Must not be null.
* @param callback
* the asynchronous callback to use. Must not be null.
* @param successCodes
* optional HTTP status codes used to determine whether the request was successful. If omitted, all 2xx
* status codes are interpreted as success for this request.
* @return proxy of the specified remote service type
*/
public static <T, R> T create(final Class<T> remoteService, final RemoteCallback<R> callback,
Integer... successCodes) {
return create(remoteService, null, callback, null, successCodes);
}
/**
* Creates a client/proxy for the provided JAX-RS resource interface.
*
* @param remoteService
* the JAX-RS resource interface. Must not be null.
* @param baseUrl
* the base URL overriding the default application root path
* @param callback
* the asynchronous callback to use. Must not be null.
* @param successCodes
* optional HTTP status codes used to determine whether the request was successful. If omitted, all 2xx
* status codes are interpreted as success for this request.
* @return proxy of the specified remote service type
*/
public static <T, R> T create(final Class<T> remoteService, String baseUrl, final RemoteCallback<R> callback,
Integer... successCodes) {
return create(remoteService, baseUrl, callback, null, successCodes);
}
/**
* Creates a client/proxy for the provided JAX-RS resource interface.
*
* @param remoteService
* the JAX-RS resource interface. Must not be null.
* @param callback
* the asynchronous callback to use. Must not be null.
* @param errorCallback
* the error callback to use
* @param successCodes
* optional HTTP status codes used to determine whether the request was successful. If omitted, all 2xx
* status codes are interpreted as success for this request.
* @return proxy of the specified remote service type
*/
public static <T, R> T create(final Class<T> remoteService, final RemoteCallback<R> callback,
final RestErrorCallback errorCallback, Integer... successCodes) {
return create(remoteService, null, callback, errorCallback, successCodes);
}
/**
* Creates a client/proxy for the provided JAX-RS resource interface.
*
* @param remoteService
* the JAX-RS resource interface. Must not be null.
* @param baseUrl
* the base URL overriding the default application root path
* @param callback
* the asynchronous callback to use. Must not be null.
* @param errorCallback
* the error callback to use
* @param successCodes
* optional HTTP status codes used to determine whether the request was successful. If omitted, all 2xx
* status codes are interpreted as success for this request.
* @return proxy of the specified remote service type
*/
public static <T, R> T create(final Class<T> remoteService, String baseUrl, final RemoteCallback<R> callback,
final RestErrorCallback errorCallback, Integer... successCodes) {
Assert.notNull(remoteService);
Assert.notNull(callback);
if (baseUrl != null && !baseUrl.endsWith("/"))
baseUrl += "/";
T proxy = proxyProvider.getRemoteProxy(remoteService);
if (successCodes.length > 0) {
((AbstractJaxrsProxy) proxy).setSuccessCodes(Lists.newArrayList(successCodes));
}
((AbstractJaxrsProxy) proxy).setRemoteCallback(callback);
((AbstractJaxrsProxy) proxy).setErrorCallback(errorCallback);
((AbstractJaxrsProxy) proxy).setBaseUrl(baseUrl);
return proxy;
}
/**
* Returns the configured JAX-RS default application root path.
*
* @return path with trailing slash, or empty string if undefined or explicitly set to empty
*/
public static native String getApplicationRoot() /*-{
if ($wnd.erraiJaxRsApplicationRoot === undefined || $wnd.erraiJaxRsApplicationRoot.length === 0) {
return "";
}
else {
if ($wnd.erraiJaxRsApplicationRoot.substr(-1) !== "/") {
return $wnd.erraiJaxRsApplicationRoot + "/";
}
return $wnd.erraiJaxRsApplicationRoot;
}
}-*/;
/**
* Configures the JAX-RS default application root path.
*
* @param path
* path to use when sending requests to the JAX-RS endpoint
*/
public static native void setApplicationRoot(String path) /*-{
if (path == null) {
$wnd.erraiJaxRsApplicationRoot = undefined;
}
else {
$wnd.erraiJaxRsApplicationRoot = path;
}
}-*/;
/**
* Checks if a jackson compatible JSON format should be used instead of Errai JSON.
*
* @return true, if jackson marshalling should be used, otherwise false.
*/
public static native boolean isJacksonMarshallingActive() /*-{
if ($wnd.erraiJaxRsJacksonMarshallingActive === undefined) {
return false;
}
else {
return $wnd.erraiJaxRsJacksonMarshallingActive;
}
}-*/;
/**
* Activates/Deactivates jackson conform JSON marshalling.
*
* @param active
* true if jackson marshalling should be activated, otherwise false.
*/
public static native void setJacksonMarshallingActive(boolean active) /*-{
$wnd.erraiJaxRsJacksonMarshallingActive = active;
}-*/;
/**
* Set a cookie for the domain and path returned by {@link #getApplicationRoot()}.
*
* @param cookieName The name of the cookie to set.
* @param cookieValue The value of the cookie to set.
*/
public static void setCookie(final String cookieName, final String cookieValue) {
final AnchorElement anchorElement = Document.get().createAnchorElement();
anchorElement.setHref(RestClient.getApplicationRoot());
final String path = anchorElement.getPropertyString("pathname");
final String domain = anchorElement.getPropertyString("domain");
Cookies.setCookie(cookieName, cookieValue, null, domain, path, false);
}
}