org.apache.solr.client.solrj.impl.DelegationTokenHttpSolrClient.java Source code

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Here is the source code for org.apache.solr.client.solrj.impl.DelegationTokenHttpSolrClient.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.client.solrj.impl;

import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import java.util.TreeSet;

import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.solr.client.solrj.ResponseParser;
import org.apache.solr.client.solrj.SolrRequest;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.common.params.ModifiableSolrParams;
import org.apache.solr.common.params.SolrParams;

public class DelegationTokenHttpSolrClient extends HttpSolrClient {
    public final static String DELEGATION_TOKEN_PARAM = "delegation";
    private final String delegationToken;

    public DelegationTokenHttpSolrClient(String baseURL, HttpClient client, ResponseParser parser,
            boolean allowCompression, String delegationToken) {
        super(baseURL, client, parser, allowCompression);
        if (delegationToken == null) {
            throw new IllegalArgumentException("Delegation token cannot be null");
        }
        this.delegationToken = delegationToken;
        setQueryParams(new TreeSet<>(Arrays.asList(DELEGATION_TOKEN_PARAM)));
        invariantParams = new ModifiableSolrParams();
        invariantParams.set(DELEGATION_TOKEN_PARAM, delegationToken);
    }

    @Override
    protected HttpRequestBase createMethod(final SolrRequest request, String collection)
            throws IOException, SolrServerException {
        SolrParams params = request.getParams();
        if (params.getParams(DELEGATION_TOKEN_PARAM) != null) {
            throw new IllegalArgumentException(DELEGATION_TOKEN_PARAM + " parameter not supported");
        }
        return super.createMethod(request, collection);
    }

    @Override
    public void setQueryParams(Set<String> queryParams) {
        queryParams = queryParams == null
                ? Collections.unmodifiableSet(new HashSet<String>(Arrays.asList(DELEGATION_TOKEN_PARAM)))
                : queryParams;
        if (!queryParams.contains(DELEGATION_TOKEN_PARAM)) {
            queryParams = new HashSet<String>(queryParams);
            queryParams.add(DELEGATION_TOKEN_PARAM);
            queryParams = Collections.unmodifiableSet(queryParams);
        }
        super.setQueryParams(queryParams);
    }
}