InvocationInterceptorChain.java

/*
 * Copyright 2014 mango.jfaster.org
 *
 * The Mango Project 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.jfaster.mango.interceptor;

import org.jfaster.mango.binding.BoundSql;
import org.jfaster.mango.binding.InvocationContext;
import org.jfaster.mango.descriptor.ParameterDescriptor;
import org.jfaster.mango.util.jdbc.SQLType;

import javax.sql.DataSource;
import java.util.ArrayList;
import java.util.List;

/**
 * @author ash
 */
public class InvocationInterceptorChain {

  private InterceptorChain interceptorChain;

  private List<ParameterDescriptor> parameterDescriptors;

  private SQLType sqlType;

  public InvocationInterceptorChain(InterceptorChain interceptorChain,
                                    List<ParameterDescriptor> parameterDescriptors,
                                    SQLType sqlType) {
    this.interceptorChain = interceptorChain;
    this.parameterDescriptors = parameterDescriptors;
    this.sqlType = sqlType;
  }

  public void intercept(BoundSql boundSql, InvocationContext context, DataSource dataSource) {
    if (interceptorChain.getInterceptors() != null) {
      List<Object> parameterValues = context.getParameterValues();
      List<Parameter> parameters = new ArrayList<Parameter>(parameterValues.size());
      for (int i = 0; i < parameterValues.size(); i++) {
        ParameterDescriptor pd = parameterDescriptors.get(i);
        parameters.add(new Parameter(pd, parameterValues.get(i)));
      }
      interceptorChain.intercept(boundSql, parameters, sqlType, dataSource);
    }
  }

}