001    /**
002     * Copyright (C) 2009-2011 the original author or authors.
003     * See the notice.md file distributed with this work for additional
004     * information regarding copyright ownership.
005     *
006     * Licensed under the Apache License, Version 2.0 (the "License");
007     * you may not use this file except in compliance with the License.
008     * You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.fusesource.restygwt.client.dispatcher;
020    
021    import org.fusesource.restygwt.client.Dispatcher;
022    import org.fusesource.restygwt.client.Method;
023    
024    import com.google.gwt.core.client.GWT;
025    import com.google.gwt.http.client.Request;
026    import com.google.gwt.http.client.RequestBuilder;
027    import com.google.gwt.http.client.RequestException;
028    
029    /**
030     * Some valuable ideas came from:
031     * http://turbomanage.wordpress.com/2010/07/12/caching
032     * -batching-dispatcher-for-gwt-dispatch/
033     * <p/>
034     * Thanks David!
035     * <p/>
036     * Especially: - Waiting if a particular request is already on the way
037     * (otherwise you end up having many requests on the same source.
038     *
039     * @author <a href="mailto:mail@raphaelbauer.com">rEyez</<a>
040     * @author <a href="http://hiramchirino.com">Hiram Chirino</a>
041     */
042    public class DefaultDispatcher implements Dispatcher {
043    
044        public static final DefaultDispatcher INSTANCE = new DefaultDispatcher();
045    
046        public Request send(Method method, RequestBuilder builder) throws RequestException {
047            GWT.log("Sending http request: " + builder.getHTTPMethod() + " "
048                    + builder.getUrl() + " ,timeout:"
049                    + builder.getTimeoutMillis(), null);
050    
051            String content = builder.getRequestData();
052            if (content != null && content.length() > 0) {
053                GWT.log(content, null);
054            }
055            return builder.send();
056        }
057    
058    
059    }