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VertxJdbcResultSet.java
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VertxJdbcResultSet.java
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/*
* Copyright 2015 JBoss Inc
*
* 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 io.apiman.gateway.platforms.vertx3.components.jdbc;
import io.apiman.gateway.engine.components.jdbc.IJdbcResultSet;
import io.vertx.core.json.JsonArray;
import io.vertx.ext.jdbc.impl.actions.AbstractJDBCStatement;
import io.vertx.ext.sql.ResultSet;
import java.math.BigDecimal;
import java.util.Base64;
import java.util.List;
import org.joda.time.DateTime;
/**
* @author Marc Savy {@literal <msavy@redhat.com>}
*/
public class VertxJdbcResultSet implements IJdbcResultSet {
private ResultSet resultSet;
private int row = -1;
private List<JsonArray> rows;
public VertxJdbcResultSet(ResultSet resultSet) {
this.resultSet = resultSet;
rows = resultSet.getResults();
}
/**
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getColumnNames()
*/
@Override
public List<String> getColumnNames() {
return resultSet.getColumnNames();
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getColumnSize()
*/
@Override
public int getNumColumns() {
return resultSet.getNumColumns();
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getRow()
*/
@Override
public int getRow() {
return row;
}
protected int getNumRows() {
return resultSet.getNumRows();
}
/**
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#next()
*/
@Override
public boolean next() {
boolean isok = hasNext();
row += 1;
return isok;
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#hasNext()
*/
@Override
public boolean hasNext() {
return (row + 1) < getNumRows();
}
private void indexCheck() {
if (row > (getNumRows()-1)) {
throw new ArrayIndexOutOfBoundsException(
String.format("Row size: %d. Attempted invalid index: %d", getNumRows(), row + 1)); //$NON-NLS-1$
}
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getString(int)
*/
@Override
public String getString(int index) throws IndexOutOfBoundsException {
indexCheck();
return rows.get(row).getString(index);
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getShort(int)
*/
@Override
public Short getShort(int index) throws IndexOutOfBoundsException {
indexCheck();
return (short) rows.get(row).getInteger(index).intValue();
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getInteger(int)
*/
@Override
public Integer getInteger(int index) {
indexCheck();
return rows.get(row).getInteger(index);
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getLong(int)
*/
@Override
public Long getLong(int index) {
indexCheck();
return rows.get(row).getLong(index);
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getDouble(int)
*/
@Override
public Double getDouble(int index) {
indexCheck();
return rows.get(row).getDouble(index);
}
/**
* Looking at Vert.x source code this /should/ work. See: {@link AbstractJDBCStatement#convertSqlValue}
*
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getBigDecimal(int)
*/
@Override
public BigDecimal getBigDecimal(int index) {
indexCheck();
return (BigDecimal) rows.get(row).getValue(index);
}
/* (non-Javadoc)
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getBoolean(int)
*/
@Override
public Boolean getBoolean(int index) {
return rows.get(row).getBoolean(index);
}
/**
* Vert.x turns byte[] into a B64 encoded string. Reverse it.
*
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getBytes(int)
*/
@Override
public byte[] getBytes(int index) {
String b64String = rows.get(row).getString(index);
return Base64.getDecoder().decode(b64String);
}
/** (non-Javadoc)
*
* Should be OK as Vert.x uses ISO to turn timestamp, date, time, etc into a string.s
*
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#getDateTime(int)
*/
@Override
public DateTime getDateTime(int index) {
return new DateTime(rows.get(row).getString(index));
}
/**
* @see io.apiman.gateway.engine.components.jdbc.IJdbcResultSet#close()
*/
@Override
public void close() {
// Nothing to do for vert.x
}
}