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The FoundationDB SQL Layer Driver for JDBC4
/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2011, PostgreSQL Global Development Group
*
*
*-------------------------------------------------------------------------
*/
package com.foundationdb.sql.jdbc.jdbc4;
import java.sql.*;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Properties;
import java.util.concurrent.Executor;
import com.foundationdb.sql.jdbc.core.Oid;
import com.foundationdb.sql.jdbc.core.TypeInfo;
import com.foundationdb.sql.jdbc.core.Utils;
import com.foundationdb.sql.jdbc.jdbc2.AbstractJdbc2Array;
import com.foundationdb.sql.jdbc.util.GT;
import com.foundationdb.sql.jdbc.util.HostSpec;
import com.foundationdb.sql.jdbc.util.PSQLException;
import com.foundationdb.sql.jdbc.util.PSQLState;
abstract class AbstractJdbc4Connection extends com.foundationdb.sql.jdbc.jdbc3g.AbstractJdbc3gConnection
{
private final Properties _clientInfo;
public AbstractJdbc4Connection(HostSpec[] hostSpecs, String user, String database, Properties info, String url) throws SQLException {
super(hostSpecs, user, database, info, url);
TypeInfo types = getTypeInfo();
if (haveMinimumServerVersion("8.3")) {
types.addCoreType("xml", Oid.XML, java.sql.Types.SQLXML, "java.sql.SQLXML", Oid.XML_ARRAY);
}
_clientInfo = new Properties();
if (haveMinimumServerVersion("9.0")) {
String appName = info.getProperty("ApplicationName");
if (appName == null) {
appName = "";
}
_clientInfo.put("ApplicationName", appName);
}
}
public Clob createClob() throws SQLException
{
checkClosed();
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "createClob()");
}
public Blob createBlob() throws SQLException
{
checkClosed();
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "createBlob()");
}
public NClob createNClob() throws SQLException
{
checkClosed();
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "createNClob()");
}
public SQLXML createSQLXML() throws SQLException
{
checkClosed();
return new Jdbc4SQLXML(this);
}
public Struct createStruct(String typeName, Object[] attributes) throws SQLException
{
checkClosed();
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "createStruct(String, Object[])");
}
public Array createArrayOf(String typeName, Object[] elements) throws SQLException
{
checkClosed();
int oid = getTypeInfo().getPGArrayType(typeName);
if (oid == Oid.UNSPECIFIED)
throw new PSQLException(GT.tr("Unable to find server array type for provided name {0}.", typeName), PSQLState.INVALID_NAME);
char delim = getTypeInfo().getArrayDelimiter(oid);
StringBuffer sb = new StringBuffer();
appendArray(sb, elements, delim);
// This will not work once we have a JDBC 5,
// but it'll do for now.
return new Jdbc4Array(this, oid, sb.toString());
}
private static void appendArray(StringBuffer sb, Object elements, char delim)
{
sb.append('{');
int nElements = java.lang.reflect.Array.getLength(elements);
for (int i=0; i 0) {
sb.append(delim);
}
Object o = java.lang.reflect.Array.get(elements, i);
if (o == null) {
sb.append("NULL");
} else if (o.getClass().isArray()) {
appendArray(sb, o, delim);
} else {
String s = o.toString();
AbstractJdbc2Array.escapeArrayElement(sb, s);
}
}
sb.append('}');
}
public boolean isValid(int timeout) throws SQLException
{
checkClosed();
if (timeout < 0) {
throw new PSQLException(GT.tr("Invalid timeout ({0}<0).", timeout), PSQLState.INVALID_PARAMETER_VALUE);
}
boolean valid = false;
Statement stmt = null;
try {
if (!isClosed()) {
stmt = createStatement();
stmt.setQueryTimeout( timeout );
stmt.executeQuery( "SELECT 1" );
valid = true;
}
}
catch ( SQLException e) {
getLogger().log(GT.tr("Validating connection."),e);
}
finally
{
if(stmt!=null) try {stmt.close();}catch(Exception ex){}
}
return valid;
}
public void setClientInfo(String name, String value) throws SQLClientInfoException
{
if (haveMinimumServerVersion("9.0") && "ApplicationName".equals(name)) {
if (value == null)
value = "";
try {
StringBuffer sql = new StringBuffer("SET application_name = '");
Utils.appendEscapedLiteral(sql, value, getStandardConformingStrings());
sql.append("'");
execSQLUpdate(sql.toString());
} catch (SQLException sqle) {
Map failures = new HashMap();
failures.put(name, ClientInfoStatus.REASON_UNKNOWN);
throw new SQLClientInfoException(GT.tr("Failed to set ClientInfo property: {0}", "ApplicationName"), sqle.getSQLState(), failures, sqle);
}
_clientInfo.put(name, value);
return;
}
Map failures = new HashMap();
failures.put(name, ClientInfoStatus.REASON_UNKNOWN_PROPERTY);
throw new SQLClientInfoException(GT.tr("ClientInfo property not supported."), PSQLState.NOT_IMPLEMENTED.getState(), failures);
}
public void setClientInfo(Properties properties) throws SQLClientInfoException
{
if (properties == null || properties.size() == 0)
return;
Map failures = new HashMap();
Iterator i = properties.stringPropertyNames().iterator();
while (i.hasNext()) {
String name = i.next();
if (haveMinimumServerVersion("9.0") && "ApplicationName".equals(name)) {
String value = properties.getProperty(name);
setClientInfo(name, value);
} else {
failures.put(i.next(), ClientInfoStatus.REASON_UNKNOWN_PROPERTY);
}
}
if (!failures.isEmpty())
throw new SQLClientInfoException(GT.tr("ClientInfo property not supported."), PSQLState.NOT_IMPLEMENTED.getState(), failures);
}
public String getClientInfo(String name) throws SQLException
{
checkClosed();
return _clientInfo.getProperty(name);
}
public Properties getClientInfo() throws SQLException
{
checkClosed();
return _clientInfo;
}
public T createQueryObject(Class ifc) throws SQLException
{
checkClosed();
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "createQueryObject(Class)");
}
public boolean isWrapperFor(Class iface) throws SQLException
{
checkClosed();
return iface.isAssignableFrom(getClass());
}
public T unwrap(Class iface) throws SQLException
{
checkClosed();
if (iface.isAssignableFrom(getClass()))
{
return (T) this;
}
throw new SQLException("Cannot unwrap to " + iface.getName());
}
public java.util.logging.Logger getParentLogger() throws SQLFeatureNotSupportedException
{
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "getParentLogger()");
}
public void setSchema(String schema) throws SQLException
{
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "setSchema(String)");
}
public String getSchema() throws SQLException
{
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "getSchema()");
}
public void abort(Executor executor) throws SQLException
{
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "abort(Executor)");
}
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "setNetworkTimeout(Executor, int)");
}
public int getNetworkTimeout() throws SQLException {
throw com.foundationdb.sql.jdbc.Driver.notImplemented(this.getClass(), "getNetworkTimeout()");
}
}
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