obis-spd-plugin/src/main/java/org/gcube/data/spd/obisplugin/search/query/PagedQueryObject.java

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package org.gcube.data.spd.obisplugin.search.query;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import lombok.Getter;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
@RequiredArgsConstructor
@Slf4j
public class PagedQueryObject {
private @NonNull String baseUri;
@Getter
List<QueryCondition> conditions = new ArrayList<QueryCondition>();
private @NonNull ResultType resultType;
private @NonNull Integer resultPerQuery;
private int offset = 0;
public void setConditions(QueryCondition ... conditions){
this.conditions.addAll(Arrays.asList(conditions));
}
public String buildNext(){
StringBuilder query = new StringBuilder(baseUri);
if (!baseUri.endsWith("/")) query.append("/");
query.append(this.resultType.getQueryEntry()).append("/");
query.append("?limit=").append(resultPerQuery);
query.append("&offset=").append(offset);
if (conditions.size()>0)
for (QueryCondition queryCond: conditions)
query.append("&").append(queryCond.getKey()).append("=").append(queryCond.getValue());
offset = offset+resultPerQuery;
log.debug("executed query is "+query.toString());
return query.toString();
}
}