nl.surfnet.coin.eb.EngineBlockImpl.java Source code

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Here is the source code for nl.surfnet.coin.eb.EngineBlockImpl.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 nl.surfnet.coin.eb;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;

/**
 * 
 *
 */
public class EngineBlockImpl implements EngineBlock {

    private static final Logger LOG = LoggerFactory.getLogger(EngineBlockImpl.class);

    @Autowired
    private JdbcTemplate ebJdbcTemplate;

    /*
     * (non-Javadoc)
     * 
     * @see
     * nl.surfnet.coin.eb.EngineBlock#getPersistentNameIdentifier(java.lang.String
     * )
     */
    @Override
    public String getUserUUID(String identifier) {
        Assert.hasText(identifier, "Not allowed to provide a null or empty identifier");
        String sql = "SELECT user_uuid FROM saml_persistent_id WHERE persistent_id =  ?";
        LOG.debug("Executing query with identifier {}: {}", identifier, sql);
        List<String> results = ebJdbcTemplate.query(sql, new String[] { identifier }, new RowMapper<String>() {
            @Override
            public String mapRow(ResultSet rs, int rowNum) throws SQLException {
                return rs.getString(1);
            }
        });
        if (CollectionUtils.isEmpty(results)) {
            throw new RuntimeException("No persistent_id found for user_uuid(" + identifier + ")");
        }
        LOG.debug("Numer of results from query: {}", results.size());
        return results.get(0);
    }

    /**
     * @param ebJdbcTemplate the ebJdbcTemplate to set
     */
    public void setEbJdbcTemplate(JdbcTemplate ebJdbcTemplate) {
        this.ebJdbcTemplate = ebJdbcTemplate;
    }

}