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• JdbcSqlTemplate.java

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org.jumpmind.db.sql.JdbcSqlTemplate Maven / Gradle / Ivy

/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * .
 *
 * 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.jumpmind.db.sql;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.Arrays;
import java.util.Date;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import javax.sql.DataSource;

import org.apache.commons.io.IOUtils;
import org.jumpmind.db.model.TypeMap;
import org.jumpmind.db.platform.DatabaseInfo;
import org.jumpmind.exception.IoException;
import org.jumpmind.util.LinkedCaseInsensitiveMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.jdbc.core.SqlTypeValue;
import org.springframework.jdbc.core.StatementCreatorUtils;
import org.springframework.jdbc.support.lob.DefaultLobHandler;
import org.springframework.jdbc.support.lob.LobHandler;

public class JdbcSqlTemplate extends AbstractSqlTemplate implements ISqlTemplate {

    static final Logger log = LoggerFactory.getLogger(JdbcSqlTemplate.class);

    protected DataSource dataSource;

    protected boolean requiresAutoCommitFalseToSetFetchSize = false;

    protected SqlTemplateSettings settings;

    protected SymmetricLobHandler lobHandler;

    protected Boolean supportsGetGeneratedKeys = null;

    protected int[] primaryKeyViolationCodes;

    protected String[] primaryKeyViolationSqlStates;

    protected int[] foreignKeyViolationCodes;

    protected String[] foreignKeyViolationSqlStates;

    protected int isolationLevel;

    public JdbcSqlTemplate(DataSource dataSource, SqlTemplateSettings settings,
            SymmetricLobHandler lobHandler, DatabaseInfo databaseInfo) {
        this.dataSource = dataSource;
        this.settings = settings == null ? new SqlTemplateSettings() : settings;
        this.lobHandler = lobHandler == null ? new SymmetricLobHandler(new DefaultLobHandler())
                : lobHandler;
        this.isolationLevel = databaseInfo.getMinIsolationLevelToPreventPhantomReads();
    }

    protected Connection getConnection() throws SQLException {
        return this.dataSource.getConnection();
    }

    public DataSource getDataSource() {
        return dataSource;
    }

    public boolean isRequiresAutoCommitFalseToSetFetchSize() {
        return requiresAutoCommitFalseToSetFetchSize;
    }

    public void setSettings(SqlTemplateSettings settings) {
        this.settings = settings;
    }

    public SqlTemplateSettings getSettings() {
        return settings;
    }

    public SymmetricLobHandler getLobHandler() {
        return lobHandler;
    }

    public  ISqlReadCursor queryForCursor(String sql, ISqlRowMapper mapper, Object[] args,
            int[] types) {
        logSql(sql, args);
        return new JdbcSqlReadCursor(this, mapper, sql, args, types);
    }

    public int getIsolationLevel() {
        return isolationLevel;
    }

    public void setIsolationLevel(int isolationLevel) {
        this.isolationLevel = isolationLevel;
    }

    public  T queryForObject(final String sql, final Class clazz, final Object... args) {
        logSql(sql, args);
        return execute(new IConnectionCallback() {
            public T execute(Connection con) throws SQLException {
                T result = null;
                PreparedStatement ps = null;
                ResultSet rs = null;
                try {
                    ps = con.prepareStatement(expandSql(sql, args));
                    ps.setQueryTimeout(settings.getQueryTimeout());
                    setValues(ps, expandArgs(sql, args));
                    rs = ps.executeQuery();
                    if (rs.next()) {
                        result = getObjectFromResultSet(rs, clazz);
                    }
                } finally {
                    close(rs);
                    close(ps);
                }
                return result;
            }
        });
    }

    @Deprecated
    public byte[] queryForBlob(final String sql, final Object... args) {
        return queryForBlob(sql, -1, null, args);
    }

    public byte[] queryForBlob(final String sql, final int jdbcTypeCode, final String jdbcTypeName,
            final Object... args) {
        logSql(sql, args);
        return execute(new IConnectionCallback() {
            public byte[] execute(Connection con) throws SQLException {
                if (lobHandler.needsAutoCommitFalseForBlob(jdbcTypeCode, jdbcTypeName)) {
                    con.setAutoCommit(false);
                }
                byte[] result = null;
                PreparedStatement ps = null;
                ResultSet rs = null;
                try {
                    ps = con.prepareStatement(sql);
                    ps.setQueryTimeout(settings.getQueryTimeout());
                    setValues(ps, args);
                    rs = ps.executeQuery();
                    if (rs.next()) {
                        result = lobHandler.getBlobAsBytes(rs, 1, jdbcTypeCode, jdbcTypeName);
                    }
                } finally {
                    if (lobHandler.needsAutoCommitFalseForBlob(jdbcTypeCode, jdbcTypeName)
                            && con != null) {
                        con.setAutoCommit(true);
                    }
                    close(rs);
                    close(ps);
                }
                return result;
            }
        });
    }

    public String queryForClob(final String sql, final Object... args) {
        logSql(sql, args);
        return execute(new IConnectionCallback() {
            public String execute(Connection con) throws SQLException {
                String result = null;
                PreparedStatement ps = null;
                ResultSet rs = null;
                try {
                    ps = con.prepareStatement(sql);
                    ps.setQueryTimeout(settings.getQueryTimeout());
                    setValues(ps, args);
                    rs = ps.executeQuery();
                    if (rs.next()) {
                        result = lobHandler.getClobAsString(rs, 1);
                    }
                } finally {
                    close(rs);
                    close(ps);
                }
                return result;
            }
        });
    }

    public Map queryForMap(final String sql, final Object... args) {
        logSql(sql, args);
        return execute(new IConnectionCallback>() {
            public Map execute(Connection con) throws SQLException {
                Map result = null;
                PreparedStatement ps = null;
                ResultSet rs = null;
                try {
                    ps = con.prepareStatement(sql);
                    ps.setQueryTimeout(settings.getQueryTimeout());
                    if (args != null && args.length > 0) {
                        setValues(ps, args);
                    }
                    rs = ps.executeQuery();
                    if (rs.next()) {
                        ResultSetMetaData meta = rs.getMetaData();
                        int colCount = meta.getColumnCount();
                        result = new LinkedCaseInsensitiveMap