org.springframework.social.facebook.api.impl.UserTemplate.java Source code

Introduction

Here is the source code for org.springframework.social.facebook.api.impl.UserTemplate.java

Source

/*
 * Copyright 2014 the original author or authors.
 *
 * 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.springframework.social.facebook.api.impl;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.springframework.social.facebook.api.FacebookProfile;
import org.springframework.social.facebook.api.GraphApi;
import org.springframework.social.facebook.api.ImageType;
import org.springframework.social.facebook.api.PagedList;
import org.springframework.social.facebook.api.Reference;
import org.springframework.social.facebook.api.UserOperations;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import com.fasterxml.jackson.databind.JsonNode;

class UserTemplate extends AbstractFacebookOperations implements UserOperations {

    private final GraphApi graphApi;

    private final RestTemplate restTemplate;

    public UserTemplate(GraphApi graphApi, RestTemplate restTemplate, boolean isAuthorizedForUser) {
        super(isAuthorizedForUser);
        this.graphApi = graphApi;
        this.restTemplate = restTemplate;
    }

    public FacebookProfile getUserProfile() {
        requireAuthorization();
        return getUserProfile("me");
    }

    public FacebookProfile getUserProfile(String facebookId) {
        return graphApi.fetchObject(facebookId, FacebookProfile.class);
    }

    public byte[] getUserProfileImage() {
        requireAuthorization();
        return getUserProfileImage("me", ImageType.NORMAL);
    }

    public byte[] getUserProfileImage(String userId) {
        return getUserProfileImage(userId, ImageType.NORMAL);
    }

    public byte[] getUserProfileImage(ImageType imageType) {
        requireAuthorization();
        return getUserProfileImage("me", imageType);
    }

    public byte[] getUserProfileImage(String userId, ImageType imageType) {
        return graphApi.fetchImage(userId, "picture", imageType);
    }

    public List<String> getUserPermissions() {
        requireAuthorization();
        JsonNode responseNode = restTemplate.getForObject(GraphApi.GRAPH_API_URL + "me/permissions",
                JsonNode.class);
        return deserializePermissionsNodeToList(responseNode);
    }

    public PagedList<Reference> search(String query) {
        requireAuthorization();
        MultiValueMap<String, String> queryMap = new LinkedMultiValueMap<String, String>();
        queryMap.add("q", query);
        queryMap.add("type", "user");
        return graphApi.fetchConnections("search", null, Reference.class, queryMap);
    }

    private List<String> deserializePermissionsNodeToList(JsonNode jsonNode) {
        JsonNode dataNode = jsonNode.get("data");
        List<String> permissions = new ArrayList<String>();
        for (Iterator<JsonNode> elementIt = dataNode.elements(); elementIt.hasNext();) {
            JsonNode permissionsElement = elementIt.next();
            String name = permissionsElement.get("permission").asText();
            String status = permissionsElement.get("status").asText();
            if ("granted".equals(status)) {
                permissions.add(name);
            }
        }
        return permissions;
    }
}