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A Java library for the Facebook Graph API
There is a newer version: 2.4.13
/*
 * Copyright 2012 Ryuji Yamashita
 *
 * 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 facebook4j.internal.json;

import static facebook4j.internal.util.z_F4JInternalParseUtil.*;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import facebook4j.Comment;
import facebook4j.FacebookException;
import facebook4j.IdNameEntity;
import facebook4j.Message;
import facebook4j.PagableList;
import facebook4j.ResponseList;
import facebook4j.conf.Configuration;
import facebook4j.internal.http.HttpResponse;
import facebook4j.internal.org.json.JSONArray;
import facebook4j.internal.org.json.JSONException;
import facebook4j.internal.org.json.JSONObject;

/**
 * @author Ryuji Yamashita - roundrop at gmail.com
 */
/*package*/ final class MessageJSONImpl extends FacebookResponseImpl implements Message, java.io.Serializable {
    private static final long serialVersionUID = -2666008917993827020L;

    private String id;
    private IdNameEntity from;
    private List to;
    private String message;
    private Date createdTime;
    private Date updatedTime;
    private PagableList comments;

    /*package*/MessageJSONImpl(HttpResponse res, Configuration conf) throws FacebookException {
        super(res);
        JSONObject json = res.asJSONObject();
        init(json);
        if (conf.isJSONStoreEnabled()) {
            DataObjectFactoryUtil.clearThreadLocalMap();
            DataObjectFactoryUtil.registerJSONObject(this, json);
        }
    }

    /*package*/MessageJSONImpl(JSONObject json) throws FacebookException {
        super();
        init(json);
    }

    private void init(JSONObject json) throws FacebookException {
        try {
            id = getRawString("id", json);
            if (!json.isNull("from")) {
                JSONObject fromJSONObject = json.getJSONObject("from");
                from = new IdNameEntityJSONImpl(fromJSONObject);
            }
            if (!json.isNull("to")) {
                JSONObject toJSONObject = json.getJSONObject("to");
                JSONArray toJSONArray = toJSONObject.getJSONArray("data");
                to = new ArrayList();
                for (int i = 0; i < toJSONArray.length(); i++) {
                    to.add(new IdNameEntityJSONImpl(toJSONArray.getJSONObject(i)));
                }
            }
            message = getRawString("message", json);
            createdTime = getISO8601Datetime("created_time", json);
            updatedTime = getISO8601Datetime("updated_time", json);
            if (!json.isNull("comments")) {
                JSONObject commentsJSONObject = json.getJSONObject("comments");
                JSONArray list = commentsJSONObject.getJSONArray("data");
                int size = list.length();
                comments = new PagableListImpl(size, commentsJSONObject);
                for (int i = 0; i < size; i++) {
                    CommentJSONImpl comment = new CommentJSONImpl(list.getJSONObject(i));
                    comments.add(comment);
                }
            }
        } catch (JSONException jsone) {
            throw new FacebookException(jsone.getMessage(), jsone);
        }
    }

    public String getId() {
        return id;
    }
    public IdNameEntity getFrom() {
        return from;
    }
    public List getTo() {
        return to;
    }
    public String getMessage() {
        return message;
    }
    public Date getCreatedTime() {
        return createdTime;
    }
    public Date getUpdatedTime() {
        return updatedTime;
    }
    public PagableList getComments() {
        return comments;
    }

    /*package*/
    static ResponseList createMessageList(HttpResponse res, Configuration conf) throws FacebookException {
        try {
            if (conf.isJSONStoreEnabled()) {
                DataObjectFactoryUtil.clearThreadLocalMap();
            }
            JSONObject json = res.asJSONObject();
            JSONArray list = json.getJSONArray("data");
            int size = list.length();
            ResponseList messages = new ResponseListImpl(size, json);
            for (int i = 0; i < size; i++) {
                JSONObject messageJSONObject = list.getJSONObject(i);
                Message message = new MessageJSONImpl(messageJSONObject);
                if (conf.isJSONStoreEnabled()) {
                    DataObjectFactoryUtil.registerJSONObject(message, messageJSONObject);
                }
                messages.add(message);
            }
            if (conf.isJSONStoreEnabled()) {
                DataObjectFactoryUtil.registerJSONObject(messages, list);
            }
            return messages;
        } catch (JSONException jsone) {
            throw new FacebookException(jsone);
        }
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((id == null) ? 0 : id.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        MessageJSONImpl other = (MessageJSONImpl) obj;
        if (id == null) {
            if (other.id != null)
                return false;
        } else if (!id.equals(other.id))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "MessageJSONImpl [id=" + id + ", from=" + from + ", to=" + to
                + ", message=" + message + ", createdTime=" + createdTime
                + ", updatedTime=" + updatedTime + ", comments=" + comments
                + "]";
    }

}