org.wildfly.security.auth.realm.jdbc.QueryBuilder Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed 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.wildfly.security.auth.realm.jdbc;
import org.wildfly.common.Assert;
import javax.sql.DataSource;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* A builder class with different configuration options to configure queries.
*
* @author Pedro Igor
*/
public class QueryBuilder extends JdbcSecurityRealmBuilder {
private final String sql;
private final JdbcSecurityRealmBuilder parent;
private List mappers = new ArrayList<>();
private DataSource dataSource;
/**
* Construct new instance.
*
* @param sql (must not be {@code null})
* @param parent (must not be {@code null})
*
*/
QueryBuilder(String sql, JdbcSecurityRealmBuilder parent) {
Assert.checkNotNullParam("sql", sql);
Assert.checkNotNullParam("parent", parent);
this.sql = sql;
this.parent = parent;
}
/**
* Defines a mapper that will be applied to the query in order to map the returned columns to some internal representation.
*
* @param mapper the column mapper instance
* @return this builder
*/
public QueryBuilder withMapper(ColumnMapper... mapper) {
this.mappers.addAll(Arrays.asList(mapper));
return this;
}
/**
* Defines the {@link DataSource} from where connections are obtained.
*
* @param dataSource the data source.
* @return this builder
*/
public QueryBuilder from(DataSource dataSource) {
this.dataSource = dataSource;
return this;
}
@Override
public QueryBuilder principalQuery(String sql) {
return this.parent.principalQuery(sql);
}
@Override
public JdbcSecurityRealm build() {
return this.parent.build();
}
QueryConfiguration buildQuery() {
return new QueryConfiguration(this.sql, this.dataSource, this.mappers);
}
}