/**
* 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.waveprotocol.box.webclient.profile;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.http.client.URL;
import org.waveprotocol.box.profile.ProfileRequest;
import org.waveprotocol.box.profile.jso.ProfileRequestJsoImpl;
import org.waveprotocol.box.profile.jso.ProfileResponseJsoImpl;
import org.waveprotocol.box.webclient.profile.FetchProfilesService.Callback;
import org.waveprotocol.wave.client.account.impl.AbstractProfileManager;
import org.waveprotocol.wave.client.account.impl.ProfileImpl;
import org.waveprotocol.wave.client.debug.logger.DomLogger;
import org.waveprotocol.wave.common.logging.LoggerBundle;
import org.waveprotocol.wave.communication.gwt.JsonMessage;
import org.waveprotocol.wave.communication.json.JsonException;
import java.util.Arrays;
/**
* Helper class to fetch profiles.
*
* @author yurize@apache.org (Yuri Zelikov)
*/
public final class FetchProfilesBuilder {
private static final LoggerBundle LOG = new DomLogger("FetchProfilesBuilder");
/** The base profile URL. */
private static final String SEARCH_URL_BASE = "/profile";
/** Holds profile request data. */
private ProfileRequest profileRequest;
private FetchProfilesBuilder() {
}
/** Static factory method */
public static FetchProfilesBuilder create() {
return new FetchProfilesBuilder();
}
public FetchProfilesBuilder newFetchProfilesRequest() {
profileRequest = ProfileRequestJsoImpl.create();
return this;
}
public FetchProfilesBuilder setAddresses(String... addresses) {
profileRequest.addAllAddresses(Arrays.asList(addresses));
return this;
}
public FetchProfilesBuilder setProfilesManager(
AbstractProfileManager<ProfileImpl> profileManager) {
return this;
}
public void fetchProfiles(final Callback callback) {
Preconditions.checkState(profileRequest != null);
Preconditions.checkState(profileRequest.getAddresses() != null);
String url = getUrl(profileRequest);
LOG.trace().log(
"Fetching profiles for: [" + Joiner.on(",").join(profileRequest.getAddresses()) + "]");
RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);
requestBuilder.setCallback(new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
LOG.trace().log("Profile response received: ", response.getText());
if (response.getStatusCode() != Response.SC_OK) {
callback.onFailure("Got back status code " + response.getStatusCode());
} else if (!response.getHeader("Content-Type").startsWith("application/json")) {
callback.onFailure("Profile service did not return json");
} else {
ProfileResponseJsoImpl profileResponse;
try {
profileResponse = JsonMessage.parse(response.getText());
} catch (JsonException e) {
callback.onFailure(e.getMessage());
return;
}
callback.onSuccess(profileResponse);
}
}
@Override
public void onError(Request request, Throwable e) {
callback.onFailure(e.getMessage());
}
});
try {
requestBuilder.send();
} catch (RequestException e) {
LOG.error().log(e.getMessage());
}
}
private static String getUrl(ProfileRequest profileRequest) {
String params = "?addresses=" + Joiner.on(",").join(profileRequest.getAddresses());
return SEARCH_URL_BASE + "/" + URL.encode(params);
}
@Override
public String toString() {
return "[Fetch profiles: " + Joiner.on(",").join(profileRequest.getAddresses()) + "]";
}
}