Java tutorial
/* * 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.usergrid.activityfeed; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import com.fasterxml.jackson.annotation.JsonIgnore; import com.fasterxml.jackson.annotation.JsonProperty; import com.fasterxml.jackson.databind.JsonNode; import org.apache.usergrid.java.client.model.UsergridEntity; import org.jetbrains.annotations.NotNull; import java.util.HashMap; @SuppressWarnings("unused") public class ActivityEntity extends UsergridEntity { public static final String ACTIVITY_ENTITY_TYPE = "activity"; private String content; private JsonNode actor; @Nullable @JsonIgnore public String getDisplayName() { if (actor != null) { JsonNode displayName = actor.get("displayName"); if (displayName != null) { return displayName.asText(); } } return null; } @Nullable public String getContent() { return this.content; } public void setContent(@NonNull String content) { this.content = content; } @Nullable public JsonNode getActor() { return this.actor; } public void setActor(@NonNull JsonNode actor) { this.actor = actor; } public ActivityEntity() { super(ACTIVITY_ENTITY_TYPE); } public ActivityEntity(@JsonProperty("type") @NotNull String type) { super(type); } public ActivityEntity(@NonNull final String displayName, @NonNull final String email, @Nullable final String picture, @NonNull final String content) { super(ACTIVITY_ENTITY_TYPE); HashMap<String, Object> actorMap = new HashMap<>(); actorMap.put("displayName", displayName); actorMap.put("email", email); if (picture != null) { HashMap<String, Object> imageMap = new HashMap<>(); imageMap.put("url", picture); imageMap.put("height", 80); imageMap.put("width", 80); actorMap.put("image", imageMap); } HashMap<String, Object> activityMap = new HashMap<>(); activityMap.put("verb", "post"); activityMap.put("actor", actorMap); activityMap.put("content", content); this.putProperties(activityMap); } }