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ListCollectionsAPI.java
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ListCollectionsAPI.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.solr.handler.admin.api;
import static org.apache.solr.client.solrj.impl.BinaryResponseParser.BINARY_CONTENT_TYPE_V2;
import static org.apache.solr.security.PermissionNameProvider.Name.COLL_READ_PERM;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import org.apache.solr.common.cloud.DocCollection;
import org.apache.solr.core.CoreContainer;
import org.apache.solr.jersey.PermissionName;
import org.apache.solr.jersey.SolrJerseyResponse;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.response.SolrQueryResponse;
/**
* V2 API for listing collections.
*
* <p>This API (GET /v2/collections) is equivalent to the v1 /admin/collections?action=LIST command
*/
@Path("/collections")
public class ListCollectionsAPI extends AdminAPIBase {
@Inject
public ListCollectionsAPI(
CoreContainer coreContainer, SolrQueryRequest req, SolrQueryResponse rsp) {
super(coreContainer, req, rsp);
}
@GET
@Produces({"application/json", "application/xml", BINARY_CONTENT_TYPE_V2})
@PermissionName(COLL_READ_PERM)
public ListCollectionsResponse listCollections() {
final ListCollectionsResponse response =
instantiateJerseyResponse(ListCollectionsResponse.class);
validateZooKeeperAwareCoreContainer(coreContainer);
Map<String, DocCollection> collections =
coreContainer.getZkController().getZkStateReader().getClusterState().getCollectionsMap();
List<String> collectionList = new ArrayList<>(collections.keySet());
Collections.sort(collectionList);
// XXX should we add aliases here?
response.collections = collectionList;
return response;
}
public static class ListCollectionsResponse extends SolrJerseyResponse {
@JsonProperty("collections")
public List<String> collections;
}
}