TelegramBots/src/main/java/org/telegram/telegrambots/api/objects/MessageEntity.java
2016-05-22 11:42:04 +02:00

131 lines
3.9 KiB
Java

package org.telegram.telegrambots.api.objects;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
import org.json.JSONObject;
import org.telegram.telegrambots.api.interfaces.IBotApiObject;
import java.io.IOException;
/**
* @author Ruben Bermudez
* @version 1.0
* @brief This object represents one special entity in a text message. For example, hashtags,
* usernames, URL.
* @date 20 of June of 2015
*/
public class MessageEntity implements IBotApiObject {
private static final String TYPE_FIELD = "type";
private static final String OFFSET_FIELD = "offset";
private static final String LENGTH_FIELD = "length";
private static final String URL_FIELD = "url";
private static final String USER_FIELD = "user";
@JsonProperty(TYPE_FIELD)
/**
* Type of the entity. One of
* mention (@username),
* hashtag,
* bot_command,
* url,
* email,
* bold (bold text),
* italic (italic text),
* code (monowidth string),
* pre (monowidth block),
* text_link (for clickable text URLs)
* text_mention (for users without usernames)
*/
private String type;
@JsonProperty(OFFSET_FIELD)
private Integer offset; ///< Offset in UTF-16 code units to the start of the entity
@JsonProperty(LENGTH_FIELD)
private Integer length; ///< Length of the entity in UTF-16 code units
@JsonProperty(URL_FIELD)
private String url; ///< Optional. For “text_link” only, url that will be opened after user taps on the text
@JsonProperty(USER_FIELD)
private User user; ///< Optional. For “text_mention” only, the mentioned user
private String text; ///< Text present in the entity. Computed from offset and length
public MessageEntity() {
super();
}
public MessageEntity(JSONObject jsonObject) {
super();
this.type = jsonObject.getString(TYPE_FIELD);
this.offset = jsonObject.getInt(OFFSET_FIELD);
this.length = jsonObject.getInt(LENGTH_FIELD);
if (EntityType.TEXTLINK.equals(type)) {
this.url = jsonObject.getString(URL_FIELD);
}
if (EntityType.TEXTMENTION.equals(type)) {
this.user = new User(jsonObject.getJSONObject(USER_FIELD));
}
}
public String getType() {
return type;
}
public Integer getOffset() {
return offset;
}
public Integer getLength() {
return length;
}
public String getUrl() {
return url;
}
public String getText() {
return text;
}
public User getUser() {
return user;
}
protected void computeText(String message) {
text = message.substring(offset, offset + length);
}
@Override
public void serialize(JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeStartObject();
gen.writeStringField(TYPE_FIELD, type);
gen.writeNumberField(OFFSET_FIELD, offset);
gen.writeNumberField(LENGTH_FIELD, length);
if (url != null && EntityType.TEXTLINK.equals(type)) {
gen.writeStringField(URL_FIELD, url);
}
if (user != null && EntityType.TEXTMENTION.equals(type)) {
gen.writeObjectField(USER_FIELD, user);
}
gen.writeEndObject();
gen.flush();
}
@Override
public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
serialize(gen, serializers);
}
@Override
public String toString() {
return "PhotoSize{" +
"type='" + type + '\'' +
", offset=" + offset +
", length=" + length +
", url=" + url +
", user=" + user +
'}';
}
}