/*
* 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.streams.sysomos.conversion;
import org.apache.streams.pojo.extensions.ExtensionUtil;
import org.apache.streams.pojo.json.Activity;
import org.apache.streams.pojo.json.ActivityObject;
import org.apache.streams.pojo.json.Provider;
import com.sysomos.xml.BeatApi;
import org.apache.commons.lang.StringUtils;
import org.joda.time.DateTime;
import java.util.HashMap;
import java.util.Map;
import static org.apache.streams.data.util.ActivityUtil.LANGUAGE_EXTENSION;
import static org.apache.streams.data.util.ActivityUtil.LOCATION_EXTENSION;
import static org.apache.streams.data.util.ActivityUtil.LOCATION_EXTENSION_COUNTRY;
import static org.apache.streams.data.util.ActivityUtil.getObjectId;
import static org.apache.streams.data.util.ActivityUtil.getPersonId;
import static org.apache.streams.data.util.ActivityUtil.getProviderId;
/**
* Converts an instance of a {@link com.sysomos.xml.BeatApi.BeatResponse.Beat} to an {@link org.apache.streams.pojo.json.Activity}
*/
public class SysomosBeatActivityConverter {
private static final String LANGUAGE_KEY = "LANGUAGE";
/**
* convert BeatApi.BeatResponse.Beat to Activity
* @param beat BeatApi.BeatResponse.Beat
* @return Activity
*/
public Activity convert(BeatApi.BeatResponse.Beat beat) {
Activity converted = new Activity();
converted.setId(beat.getDocid());
converted.setVerb("post");
converted.setContent(beat.getContent());
converted.setTitle(beat.getTitle());
converted.setPublished(new DateTime(beat.getTime()));
converted.setUrl(beat.getLink());
converted.setActor(new ActivityObject());
Map<String, Object> extensions = ExtensionUtil.getInstance().ensureExtensions(converted);
extensions.put("keywords", beat.getContent());
setLocation(beat, extensions);
setObject(beat, converted);
setProvider(beat, converted);
Map<String, BeatApi.BeatResponse.Beat.Tag> mappedTags = mapTags(beat);
setLanguage(mappedTags, extensions);
extensions.put("sysomos", beat);
setChannelSpecificValues(beat, converted, mappedTags);
return converted;
}
protected void setChannelSpecificValues(
BeatApi.BeatResponse.Beat beat,
Activity converted, Map<String, BeatApi.BeatResponse.Beat.Tag> mappedTags) {
String mediaType = beat.getMediaType();
String lowerMediaType = mediaType.toLowerCase();
ActivityObject actor = converted.getActor();
ActivityObject object = converted.getObject();
if ("TWITTER".equals(mediaType)) {
actor.setId(getPersonId(lowerMediaType, beat.getHost()));
actor.setDisplayName(beat.getHost());
actor.setUrl("http://twitter.com/" + beat.getHost());
object.setObjectType("tweet");
object.setId(getObjectId(lowerMediaType, "tweet", beat.getTweetid()));
} else if ("FACEBOOK".equals(mediaType)) {
String fbid = mappedTags.containsKey("FBID") ? mappedTags.get("FBID").getValue() : "";
actor.setId(getPersonId(lowerMediaType, fbid));
actor.setDisplayName(beat.getTitle());
actor.setUrl(beat.getHost());
object.setObjectType("post");
object.setId(getObjectId(lowerMediaType, "post", String.valueOf(converted.getContent().hashCode())));
} else {
actor.setId(null);
actor.setDisplayName(null);
actor.setUrl(null);
object.setObjectType("post");
object.setId(getObjectId(lowerMediaType, "post", String.valueOf(converted.getContent().hashCode())));
}
}
protected void setLanguage(Map<String, BeatApi.BeatResponse.Beat.Tag> mappedTags, Map<String, Object> extensions) {
if (mappedTags.containsKey(LANGUAGE_KEY)) {
extensions.put(LANGUAGE_EXTENSION, mappedTags.get(LANGUAGE_KEY).getValue());
}
}
protected void setObject(BeatApi.BeatResponse.Beat beat, Activity converted) {
ActivityObject object = new ActivityObject();
converted.setObject(object);
object.setUrl(beat.getLink());
object.setContent(beat.getContent());
}
@SuppressWarnings("unchecked")
protected void setLocation(BeatApi.BeatResponse.Beat beat, Map<String, Object> extensions) {
Map<String, Object> location;
String country = beat.getLocation().getCountry();
if (StringUtils.isNotBlank(country)) {
if (extensions.containsKey(LOCATION_EXTENSION)) {
location = (Map<String, Object>) extensions.get(LOCATION_EXTENSION);
} else {
location = new HashMap<>();
extensions.put(LOCATION_EXTENSION, location);
}
location.put(LOCATION_EXTENSION_COUNTRY, country);
}
}
protected void setProvider(BeatApi.BeatResponse.Beat beat, Activity converted) {
Provider provider = new Provider();
String mediaType = beat.getMediaType().toLowerCase();
provider.setId(getProviderId(mediaType));
provider.setDisplayName(StringUtils.capitalize(mediaType));
converted.setProvider(provider);
}
protected Map<String, BeatApi.BeatResponse.Beat.Tag> mapTags(BeatApi.BeatResponse.Beat beat) {
Map<String, BeatApi.BeatResponse.Beat.Tag> tags = new HashMap<>();
for (BeatApi.BeatResponse.Beat.Tag tag : beat.getTag()) {
if (tag.getSystemType() != null) {
tags.put(tag.getSystemType().trim(), tag);
}
}
return tags;
}
}