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Diffstat (limited to 'src/org/traccar/database/NamedParameterStatement.java')
-rw-r--r--src/org/traccar/database/NamedParameterStatement.java276
1 files changed, 0 insertions, 276 deletions
diff --git a/src/org/traccar/database/NamedParameterStatement.java b/src/org/traccar/database/NamedParameterStatement.java
deleted file mode 100644
index dcf041809..000000000
--- a/src/org/traccar/database/NamedParameterStatement.java
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com)
- *
- * 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.traccar.database;
-
-import javax.sql.DataSource;
-import java.sql.*;
-import java.util.*;
-import java.util.Date;
-
-public class NamedParameterStatement {
-
- private final Map<String, List<Integer>> indexMap;
-
- private final String parsedQuery;
-
- private final DataSource dataSource;
-
- private final int autoGeneratedKeys;
-
- public interface ResultSetProcessor<T> {
- T processNextRow(ResultSet rs) throws SQLException;
- }
-
- public class Params {
- Map<String, Object> values;
- Map<String, Integer> types;
-
- public Params setInt(String name, Integer value) {
- setType(name, Types.INTEGER);
- return setValue(name, value);
- }
-
- public Params setLong(String name, Long value) {
- setType(name, Types.INTEGER);
- return setValue(name, value);
- }
-
- public Params setString(String name, String value) {
- setType(name, Types.VARCHAR);
- return setValue(name, value);
- }
-
- public Params setDouble(String name, Double value) {
- setType(name, Types.DOUBLE);
- return setValue(name, value);
- }
-
- public Params setTimestamp(String name, Date value) {
- setType(name, Types.TIMESTAMP);
- return setValue(name, value);
- }
-
- public Params setBoolean(String name, Boolean value) {
- setType(name, Types.BOOLEAN);
- return setValue(name, value);
- }
-
- private void setType(String name, Integer type) {
- if (types == null) {
- types = new HashMap<String, Integer>();
- }
- types.put(name, type);
- }
-
- private Params setValue(String name, Object value) {
- if (values == null) {
- values = new HashMap<String, Object>();
- }
- values.put(name, value);
- return this;
- }
-
- public <T> List<T> executeQuery(ResultSetProcessor<T> processor) throws SQLException {
- Connection conn = null;
- PreparedStatement stmt = null;
- ResultSet rs = null;
-
- List<T> result = new LinkedList<T>();
-
- try {
- conn = dataSource.getConnection();
- stmt = conn.prepareStatement(parsedQuery);
-
- setParams(stmt);
-
- rs = stmt.executeQuery();
- while (rs.next()) {
- result.add(processor.processNextRow(rs));
- }
- } finally {
- closeQuietly(conn, stmt, rs);
- }
-
- return result;
- }
-
- public <T> List<T> executeUpdate(ResultSetProcessor<T> processor) throws SQLException {
- Connection conn = null;
- PreparedStatement stmt = null;
- ResultSet rs = null;
-
- try {
- conn = dataSource.getConnection();
- stmt = conn.prepareStatement(parsedQuery, autoGeneratedKeys);
-
- setParams(stmt);
-
- stmt.executeUpdate();
-
- if (autoGeneratedKeys == Statement.RETURN_GENERATED_KEYS) {
- rs = stmt.getGeneratedKeys();
- List<T> result = new LinkedList<T>();
- while (rs.next()) {
- result.add(processor.processNextRow(rs));
- }
- return result;
- }
- } finally {
- closeQuietly(conn, stmt, rs);
- }
-
- return null;
- }
-
- public void executeUpdate() throws SQLException {
- executeUpdate(null);
- }
-
- private void setParams(PreparedStatement stmt) throws SQLException {
- if (values == null) {
- return;
- }
-
- for (Map.Entry<String, Object> entry : values.entrySet()) {
- String name = entry.getKey();
- Object value = entry.getValue();
- int type = types.get(name);
-
- List<Integer> indexList = indexMap.get(name);
- if (indexList != null) for (Integer index: indexList) {
- if (value == null) {
- stmt.setNull(index, type);
- } else {
- switch (type) {
- case Types.INTEGER:
- if (value instanceof Long) {
- stmt.setLong(index, (Long) value);
- } else if (value instanceof Integer) {
- stmt.setInt(index, (Integer) value);
- } else {
- throw new IllegalArgumentException("Unknown integer value: " + value.getClass());
- }
- break;
- case Types.VARCHAR:
- stmt.setString(index, (String) value);
- break;
- case Types.TIMESTAMP:
- stmt.setTimestamp(index, new Timestamp(((Date) value).getTime()));
- break;
- case Types.DOUBLE:
- stmt.setDouble(index, (Double) value);
- break;
- case Types.BOOLEAN:
- stmt.setBoolean(index, (Boolean) value);
- break;
- }
- }
- }
- }
- }
-
- private void closeQuietly(Connection conn, Statement stmt, ResultSet rs) {
- if (rs != null) {
- try {
- rs.close();
- } catch (SQLException sqex) {
- }
- }
-
- if (stmt != null) {
- try {
- stmt.close();
- } catch (SQLException sqex) {
- }
- }
-
- if (conn != null) {
- try {
- conn.close();
- } catch (SQLException sqex) {
- }
- }
- }
- }
-
- public NamedParameterStatement(String query, DataSource dataSource) {
- this(query, dataSource, Statement.NO_GENERATED_KEYS);
- }
-
- public NamedParameterStatement(String query, DataSource dataSource, int autoGeneratedKeys) {
- this.indexMap = new HashMap<String, List<Integer>>();
- this.parsedQuery = parse(query, indexMap);
- this.dataSource = dataSource;
- this.autoGeneratedKeys = autoGeneratedKeys;
- }
-
- static String parse(String query, Map<String, List<Integer>> paramMap) {
-
- int length = query.length();
- StringBuilder parsedQuery = new StringBuilder(length);
- boolean inSingleQuote = false;
- boolean inDoubleQuote = false;
- int index = 1;
-
- for(int i = 0; i < length; i++) {
-
- char c = query.charAt(i);
-
- // String end
- if (inSingleQuote) {
- if (c == '\'') inSingleQuote = false;
- } else if (inDoubleQuote) {
- if (c == '"') inDoubleQuote = false;
- } else {
-
- // String begin
- if (c == '\'') {
- inSingleQuote = true;
- } else if (c == '"') {
- inDoubleQuote = true;
- } else if (c == ':' && i + 1 < length &&
- Character.isJavaIdentifierStart(query.charAt(i + 1))) {
-
- // Identifier name
- int j = i + 2;
- while (j < length && Character.isJavaIdentifierPart(query.charAt(j))) j++;
-
- String name = query.substring(i + 1, j);
- c = '?';
- i += name.length();
-
- // Add to list
- List<Integer> indexList = paramMap.get(name);
- if (indexList == null) {
- indexList = new LinkedList<Integer>();
- paramMap.put(name, indexList);
- }
- indexList.add(index);
-
- index++;
- }
- }
-
- parsedQuery.append(c);
- }
-
- return parsedQuery.toString();
- }
-
- public Params prepare() {
- return new Params();
- }
-}
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