/*
* Copyright 2002-2008 the original author or authors.
*
* 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.springframework.jdbc.core.namedparam;
import java.util.HashMap;
import java.util.Map;
import org.springframework.util.Assert;
/**
* Abstract base class for {@link SqlParameterSource} implementations.
* Provides registration of SQL types per parameter.
*
* @author Juergen Hoeller
* @since 2.0
*/
public abstract class AbstractSqlParameterSource implements SqlParameterSource {
private final Map<String, Integer> sqlTypes = new HashMap<String, Integer>();
private final Map<String, String> typeNames = new HashMap<String, String>();
/**
* Register a SQL type for the given parameter.
* @param paramName the name of the parameter
* @param sqlType the SQL type of the parameter
*/
public void registerSqlType(String paramName, int sqlType) {
Assert.notNull(paramName, "Parameter name must not be null");
this.sqlTypes.put(paramName, sqlType);
}
/**
* Register a SQL type for the given parameter.
* @param paramName the name of the parameter
* @param typeName the type name of the parameter
*/
public void registerTypeName(String paramName, String typeName) {
Assert.notNull(paramName, "Parameter name must not be null");
this.typeNames.put(paramName, typeName);
}
/**
* Return the SQL type for the given parameter, if registered.
* @param paramName the name of the parameter
* @return the SQL type of the parameter,
* or <code>TYPE_UNKNOWN</code> if not registered
*/
public int getSqlType(String paramName) {
Assert.notNull(paramName, "Parameter name must not be null");
Integer sqlType = this.sqlTypes.get(paramName);
if (sqlType != null) {
return sqlType;
}
return TYPE_UNKNOWN;
}
/**
* Return the type name for the given parameter, if registered.
* @param paramName the name of the parameter
* @return the type name of the parameter,
* or <code>null</code> if not registered
*/
public String getTypeName(String paramName) {
Assert.notNull(paramName, "Parameter name must not be null");
return this.typeNames.get(paramName);
}
}
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