org.apache.nutch.indexer.solr.SolrUtils.java Source code

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Here is the source code for org.apache.nutch.indexer.solr.SolrUtils.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.nutch.indexer.solr;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.params.HttpClientParams;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.mapred.JobConf;
import org.apache.solr.client.solrj.impl.CommonsHttpSolrServer;

import java.net.MalformedURLException;

public class SolrUtils {

    public static Logger LOG = LoggerFactory.getLogger(SolrIndexer.class);

    public static CommonsHttpSolrServer getCommonsHttpSolrServer(JobConf job) throws MalformedURLException {
        HttpClient client = new HttpClient();

        // Check for username/password
        if (job.getBoolean(SolrConstants.USE_AUTH, false)) {
            String username = job.get(SolrConstants.USERNAME);

            LOG.info("Authenticating as: " + username);

            AuthScope scope = new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT, AuthScope.ANY_REALM,
                    AuthScope.ANY_SCHEME);

            client.getState().setCredentials(scope,
                    new UsernamePasswordCredentials(username, job.get(SolrConstants.PASSWORD)));

            HttpClientParams params = client.getParams();
            params.setAuthenticationPreemptive(true);

            client.setParams(params);
        }

        return new CommonsHttpSolrServer(job.get(SolrConstants.SERVER_URL), client);
    }

    public static String stripNonCharCodepoints(String input) {
        StringBuilder retval = new StringBuilder();
        char ch;

        for (int i = 0; i < input.length(); i++) {
            ch = input.charAt(i);

            // Strip all non-characters http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:Noncharacter_Code_Point=True:]
            // and non-printable control characters except tabulator, new line and carriage return
            if (ch % 0x10000 != 0xffff && // 0xffff - 0x10ffff range step 0x10000
                    ch % 0x10000 != 0xfffe && // 0xfffe - 0x10fffe range
                    (ch <= 0xfdd0 || ch >= 0xfdef) && // 0xfdd0 - 0xfdef
                    (ch > 0x1F || ch == 0x9 || ch == 0xa || ch == 0xd)) {

                retval.append(ch);
            }
        }

        return retval.toString();
    }
}