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Spring Integration JDBC Support
/*
* Copyright 2002-2019 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
*
* https://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.integration.jdbc;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.springframework.jdbc.core.namedparam.AbstractSqlParameterSource;
import org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource;
import org.springframework.jdbc.core.namedparam.SqlParameterSource;
/**
* A default implementation of {@link SqlParameterSourceFactory} which creates an {@link SqlParameterSource} to
* reference bean properties in its input.
*
* @author Dave Syer
* @author Gary Russell
* @since 2.0
*/
public class BeanPropertySqlParameterSourceFactory implements SqlParameterSourceFactory {
private volatile Map staticParameters;
public BeanPropertySqlParameterSourceFactory() {
this.staticParameters = Collections.unmodifiableMap(new HashMap());
}
/**
* If the input is a List or a Map, the output is a map parameter source, and in that case some static parameters
* can be added (default is empty). If the input is not a List or a Map then this value is ignored.
*
* @param staticParameters the static parameters to set
*/
public void setStaticParameters(Map staticParameters) {
this.staticParameters = staticParameters;
}
@Override
public SqlParameterSource createParameterSource(Object input) {
return new StaticBeanPropertySqlParameterSource(input, this.staticParameters);
}
private static final class StaticBeanPropertySqlParameterSource extends AbstractSqlParameterSource {
private final BeanPropertySqlParameterSource input;
private final Map staticParameters;
StaticBeanPropertySqlParameterSource(Object input, Map staticParameters) {
this.input = new BeanPropertySqlParameterSource(input);
this.staticParameters = staticParameters;
}
@Override
public Object getValue(String paramName) throws IllegalArgumentException {
return this.staticParameters.containsKey(paramName) ? this.staticParameters.get(paramName) : this.input
.getValue(paramName);
}
@Override
public boolean hasValue(String paramName) {
return this.staticParameters.containsKey(paramName) || this.input.hasValue(paramName);
}
}
}