SetArray.java

/***************************************************************************
   Copyright 2012 Emily Estes

   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 net.metanotion.sqlc.setters;


import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public final class SetArray extends SQLSetter {
	public SetArray(final int count, final String name) { super(count, name); }

	@Override public void set(final PreparedStatement stmt, final Map<String,Object> env) throws SQLException {
		final Object o = env.get(name);
		Object[] arr = null;
		if(o instanceof List) {
			arr = ((List) o).toArray();
		} else if(o instanceof Iterable) {
			final Iterable it = (Iterable) o;
			final ArrayList<Object> t = new ArrayList<>();
			for(final Object o1: it) { t.add(o1); }
			arr = t.toArray();
		} else if(o instanceof Object[]) {
			arr = (Object[]) o;
		} else { throw new RuntimeException("Value not a list or array."); }
		final Connection conn = stmt.getConnection();
		stmt.setArray(count, conn.createArrayOf("", arr));
	}

	@Override public String setStatic(final String stmtVar, final String paramVar) {
		return stmtVar + ".setArray(" + count + ", " + paramVar + ")";
	}
}