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A Java library for the Twitter API
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/*
* Copyright 2007 Yusuke Yamamoto
*
* 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 twitter4j;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
/**
* A data class represents search query.
* An instance of this class is NOT thread safe.
* Instances can be shared across threads, but should not be mutated while a search is ongoing.
*
* @author Yusuke Yamamoto - yusuke at mac.com
* @see GET search | Twitter Developers
* @see Twitter API / Search Operators
*/
public final class Query implements java.io.Serializable {
private static final long serialVersionUID = 7196404519192910019L;
private String query = null;
private String lang = null;
private String locale = null;
private long maxId = -1l;
private int count = -1;
private String since = null;
private long sinceId = -1;
private String geocode = null;
private String until = null;
private ResultType resultType = null;
private String nextPageQuery = null;
public Query() {
}
public Query(String query) {
this.query = query;
}
/* package */ static Query createWithNextPageQuery(String nextPageQuery) {
Query query = new Query();
query.nextPageQuery = nextPageQuery;
if(nextPageQuery != null) {
String nextPageParameters=nextPageQuery.substring(1, nextPageQuery.length());
Map params=new LinkedHashMap();
for(HttpParameter param : HttpParameter.decodeParameters(nextPageParameters)) {
// Yes, we'll overwrite duplicate parameters, but we should not
// get duplicate parameters from this endpoint.
params.put(param.getName(), param.getValue());
}
if(params.containsKey("q"))
query.setQuery(params.get("q"));
if(params.containsKey("lang"))
query.setLang(params.get("lang"));
if(params.containsKey("locale"))
query.setLocale(params.get("locale"));
if(params.containsKey("max_id"))
query.setMaxId(Long.parseLong(params.get("max_id")));
if(params.containsKey("count"))
query.setCount(Integer.parseInt(params.get("count")));
if(params.containsKey("geocode")) {
String[] parts=params.get("geocode").split(",");
double latitude=Double.parseDouble(parts[0]);
double longitude=Double.parseDouble(parts[1]);
double radius=0.0;
Query.Unit unit=null;
String radiusstr=parts[2];
for(Query.Unit value : Query.Unit.values())
if(radiusstr.endsWith(value.name())) {
radius = Double.parseDouble(radiusstr.substring(0, radiusstr.length()-2));
unit = value;
break;
}
if(unit == null)
throw new IllegalArgumentException("unrecognized geocode radius: "+radiusstr);
query.setGeoCode(new GeoLocation(latitude, longitude), radius, unit);
}
if(params.containsKey("result_type"))
query.setResultType(Query.ResultType.valueOf(params.get("result_type")));
// We don't pull out since, until -- they get pushed into the query
}
return query;
}
/**
* Returns the specified query
*
* @return query
*/
public String getQuery() {
return query;
}
/**
* Sets the query string
*
* @param query the query string
* @see GET search | Twitter Developers
* @see Twitter API / Search Operators
*/
public void setQuery(String query) {
this.query = query;
}
/**
* Sets the query string
*
* @param query the query string
* @return the instance
* @see GET search | Twitter Developers
* @see Twitter API / Search Operators
* @since Twitter4J 2.1.0
*/
public Query query(String query) {
setQuery(query);
return this;
}
/**
* Returns the lang
*
* @return lang
*/
public String getLang() {
return lang;
}
/**
* restricts tweets to the given language, given by an ISO 639-1 code
*
* @param lang an ISO 639-1 code
*/
public void setLang(String lang) {
this.lang = lang;
}
/**
* restricts tweets to the given language, given by an ISO 639-1 code
*
* @param lang an ISO 639-1 code
* @return the instance
* @since Twitter4J 2.1.0
*/
public Query lang(String lang) {
setLang(lang);
return this;
}
/**
* Returns the language of the query you are sending (only ja is currently effective). This is intended for language-specific clients and the default should work in the majority of cases.
*
* @return locale
* @since Twitter4J 2.1.1
*/
public String getLocale() {
return locale;
}
/**
* Specify the language of the query you are sending (only ja is currently effective). This is intended for language-specific clients and the default should work in the majority of cases.
*
* @param locale the locale
* @since Twitter4J 2.1.1
*/
public void setLocale(String locale) {
this.locale = locale;
}
/**
* Specify the language of the query you are sending (only ja is currently effective). This is intended for language-specific clients and the default should work in the majority of cases.
*
* @param locale the locale
* @return the instance
* @since Twitter4J 2.1.1
*/
public Query locale(String locale) {
setLocale(locale);
return this;
}
/**
* Returns tweets with status ids less than the given id.
*
* @return maxId
* @since Twitter4J 2.1.1
*/
public long getMaxId() {
return maxId;
}
/**
* If specified, returns tweets with status ids less than the given id.
*
* @param maxId maxId
* @since Twitter4J 2.1.1
*/
public void setMaxId(long maxId) {
this.maxId = maxId;
}
/**
* If specified, returns tweets with status ids less than the given id.
*
* @param maxId maxId
* @return this instance
* @since Twitter4J 2.1.1
*/
public Query maxId(long maxId) {
setMaxId(maxId);
return this;
}
/**
* Returns the number of tweets to return per page, up to a max of 100
*
* @return count
*/
public int getCount() {
return count;
}
/**
* sets the number of tweets to return per page, up to a max of 100
*
* @param count the number of tweets to return per page
*/
public void setCount(int count) {
this.count = count;
}
/**
* sets the number of tweets to return per page, up to a max of 100
*
* @param count the number of tweets to return per page
* @return the instance
* @since Twitter4J 2.1.0
*/
public Query count(int count) {
setCount(count);
return this;
}
/**
* Returns tweets with since the given date. Date should be formatted as YYYY-MM-DD
*
* @return since
* @since Twitter4J 2.1.1
*/
public String getSince() {
return since;
}
/**
* If specified, returns tweets with since the given date. Date should be formatted as YYYY-MM-DD
*
* @param since since
* @since Twitter4J 2.1.1
*/
public void setSince(String since) {
this.since = since;
}
/**
* If specified, returns tweets with since the given date. Date should be formatted as YYYY-MM-DD
*
* @param since since
* @return since
* @since Twitter4J 2.1.1
*/
public Query since(String since) {
setSince(since);
return this;
}
/**
* returns sinceId
*
* @return sinceId
*/
public long getSinceId() {
return sinceId;
}
/**
* returns tweets with status ids greater than the given id.
*
* @param sinceId returns tweets with status ids greater than the given id
*/
public void setSinceId(long sinceId) {
this.sinceId = sinceId;
}
/**
* returns tweets with status ids greater than the given id.
*
* @param sinceId returns tweets with status ids greater than the given id
* @return the instance
* @since Twitter4J 2.1.0
*/
public Query sinceId(long sinceId) {
setSinceId(sinceId);
return this;
}
/**
* Returns the specified geocode
*
* @return geocode
*/
public String getGeocode() {
return geocode;
}
public static final Unit MILES = Unit.mi;
public static final Unit KILOMETERS = Unit.km;
public enum Unit {
mi, km
}
/**
* returns tweets by users located within a given radius of the given latitude/longitude, where the user's location is taken from their Twitter profile
*
* @param location geo location
* @param radius radius
* @param unit Query.MILES or Query.KILOMETERS
* @since Twitter4J 4.0.1
*/
public void setGeoCode(GeoLocation location, double radius
, Unit unit) {
this.geocode = location.getLatitude() + "," + location.getLongitude() + "," + radius + unit.name();
}
/**
* returns tweets by users located within a given radius of the given latitude/longitude, where the user's location is taken from their Twitter profile
*
* @param location geo location
* @param radius radius
* @param unit Query.MILES or Query.KILOMETERS
* @deprecated use {@link #setGeoCode(GeoLocation, double, twitter4j.Query.Unit)} instead
*/
public void setGeoCode(GeoLocation location, double radius
, String unit) {
this.geocode = location.getLatitude() + "," + location.getLongitude() + "," + radius + unit;
}
/**
* returns tweets by users located within a given radius of the given latitude/longitude, where the user's location is taken from their Twitter profile
*
* @param location geo location
* @param radius radius
* @param unit Query.MILES or Query.KILOMETERS
* @return the instance
* @since Twitter4J 2.1.0
*/
public Query geoCode(GeoLocation location, double radius
, String unit) {
setGeoCode(location, radius, unit);
return this;
}
/**
* Returns until
*
* @return until
* @since Twitter4J 2.1.1
*/
public String getUntil() {
return until;
}
/**
* If specified, returns tweets with generated before the given date. Date should be formatted as YYYY-MM-DD
*
* @param until until
* @since Twitter4J 2.1.1
*/
public void setUntil(String until) {
this.until = until;
}
/**
* If specified, returns tweets with generated before the given date. Date should be formatted as YYYY-MM-DD
*
* @param until until
* @return the instance
* @since Twitter4J 2.1.1
*/
public Query until(String until) {
setUntil(until);
return this;
}
/**
* mixed: Include both popular and real time results in the response.
*/
public final static ResultType MIXED = ResultType.mixed;
/**
* popular: return only the most popular results in the response.
*/
public final static ResultType POPULAR = ResultType.popular;
/**
* recent: return only the most recent results in the response
*/
public final static ResultType RECENT = ResultType.recent;
public enum ResultType {
popular, mixed, recent
}
/**
* Returns resultType
*
* @return the resultType
* @since Twitter4J 2.1.3
*/
public ResultType getResultType() {
return resultType;
}
/**
* Default value is Query.MIXED if parameter not specified
*
* @param resultType Query.MIXED or Query.POPULAR or Query.RECENT
* @since Twitter4J 2.1.3
*/
public void setResultType(ResultType resultType) {
this.resultType = resultType;
}
/**
* If specified, returns tweets included popular or real time or both in the response
*
* @param resultType resultType
* @return the instance
* @since Twitter4J 2.1.3
*/
public Query resultType(ResultType resultType) {
setResultType(resultType);
return this;
}
private static final HttpParameter WITH_TWITTER_USER_ID = new HttpParameter("with_twitter_user_id", "true");
/*package*/ HttpParameter[] asHttpParameterArray() {
ArrayList params = new ArrayList(12);
appendParameter("q", query, params);
appendParameter("lang", lang, params);
appendParameter("locale", locale, params);
appendParameter("max_id", maxId, params);
appendParameter("count", count, params);
appendParameter("since", since, params);
appendParameter("since_id", sinceId, params);
appendParameter("geocode", geocode, params);
appendParameter("until", until, params);
if (resultType != null) {
params.add(new HttpParameter("result_type", resultType.name()));
}
params.add(WITH_TWITTER_USER_ID);
HttpParameter[] paramArray = new HttpParameter[params.size()];
return params.toArray(paramArray);
}
private void appendParameter(String name, String value, List params) {
if (value != null) {
params.add(new HttpParameter(name, value));
}
}
private void appendParameter(String name, long value, List params) {
if (0 <= value) {
params.add(new HttpParameter(name, String.valueOf(value)));
}
}
/*package*/ String nextPage() {
return nextPageQuery;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Query query1 = (Query) o;
if (maxId != query1.maxId) return false;
if (count != query1.count) return false;
if (sinceId != query1.sinceId) return false;
if (geocode != null ? !geocode.equals(query1.geocode) : query1.geocode != null) return false;
if (lang != null ? !lang.equals(query1.lang) : query1.lang != null) return false;
if (locale != null ? !locale.equals(query1.locale) : query1.locale != null) return false;
if (nextPageQuery != null ? !nextPageQuery.equals(query1.nextPageQuery) : query1.nextPageQuery != null)
return false;
if (query != null ? !query.equals(query1.query) : query1.query != null) return false;
if (resultType != null ? !resultType.equals(query1.resultType) : query1.resultType != null) return false;
if (since != null ? !since.equals(query1.since) : query1.since != null) return false;
if (until != null ? !until.equals(query1.until) : query1.until != null) return false;
return true;
}
@Override
public int hashCode() {
int result = query != null ? query.hashCode() : 0;
result = 31 * result + (lang != null ? lang.hashCode() : 0);
result = 31 * result + (locale != null ? locale.hashCode() : 0);
result = 31 * result + (int) (maxId ^ (maxId >>> 32));
result = 31 * result + count;
result = 31 * result + (since != null ? since.hashCode() : 0);
result = 31 * result + (int) (sinceId ^ (sinceId >>> 32));
result = 31 * result + (geocode != null ? geocode.hashCode() : 0);
result = 31 * result + (until != null ? until.hashCode() : 0);
result = 31 * result + (resultType != null ? resultType.hashCode() : 0);
result = 31 * result + (nextPageQuery != null ? nextPageQuery.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "Query{" +
"query='" + query + '\'' +
", lang='" + lang + '\'' +
", locale='" + locale + '\'' +
", maxId=" + maxId +
", count=" + count +
", since='" + since + '\'' +
", sinceId=" + sinceId +
", geocode='" + geocode + '\'' +
", until='" + until + '\'' +
", resultType='" + resultType + '\'' +
", nextPageQuery='" + nextPageQuery + '\'' +
'}';
}
}
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