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Source Code for Connector/J 8.0.31 - Core API
Where to get the Java source code for Connector/J 8.0 Core API module?
✍: FYIcenter.com
Java source code files for Connector/J 8.0 Core API module are:
⏎ com/mysql/cj/exceptions/ExceptionFactory.java
/* * Copyright (c) 2015, 2020, Oracle and/or its affiliates. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License, version 2.0, as published by the * Free Software Foundation. * * This program is also distributed with certain software (including but not * limited to OpenSSL) that is licensed under separate terms, as designated in a * particular file or component or in included license documentation. The * authors of MySQL hereby grant you an additional permission to link the * program and your derivative works with the separately licensed software that * they have included with MySQL. * * Without limiting anything contained in the foregoing, this file, which is * part of MySQL Connector/J, is also subject to the Universal FOSS Exception, * version 1.0, a copy of which can be found at * http://oss.oracle.com/licenses/universal-foss-exception. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, * for more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ package com.mysql.cj.exceptions; import java.net.BindException; import com.mysql.cj.Messages; import com.mysql.cj.conf.PropertyKey; import com.mysql.cj.conf.PropertySet; import com.mysql.cj.protocol.PacketReceivedTimeHolder; import com.mysql.cj.protocol.PacketSentTimeHolder; import com.mysql.cj.protocol.ServerSession; import com.mysql.cj.util.Util; public class ExceptionFactory { private static final long DEFAULT_WAIT_TIMEOUT_SECONDS = 28800; private static final int DUE_TO_TIMEOUT_FALSE = 0; private static final int DUE_TO_TIMEOUT_MAYBE = 2; private static final int DUE_TO_TIMEOUT_TRUE = 1; public static CJException createException(String message) { return createException(CJException.class, message); } @SuppressWarnings("unchecked") public static <T extends CJException> T createException(Class<T> clazz, String message) { T sqlEx; try { sqlEx = clazz.getConstructor(String.class).newInstance(message); } catch (Throwable e) { sqlEx = (T) new CJException(message); } return sqlEx; } public static CJException createException(String message, ExceptionInterceptor interceptor) { return createException(CJException.class, message, interceptor); } /** * * @param clazz * exception class * @param message * message * @param interceptor * exception interceptor * @param <T> * {@link CJException} * @return {@link CJException} instance */ public static <T extends CJException> T createException(Class<T> clazz, String message, ExceptionInterceptor interceptor) { T sqlEx = createException(clazz, message); // TODO: Decide whether we need to intercept exceptions at this level //if (interceptor != null) { // @SuppressWarnings("unchecked") // T interceptedEx = (T) interceptor.interceptException(sqlEx, null); // if (interceptedEx != null) { // return interceptedEx; // } //} return sqlEx; } public static CJException createException(String message, Throwable cause) { return createException(CJException.class, message, cause); } public static <T extends CJException> T createException(Class<T> clazz, String message, Throwable cause) { T sqlEx = createException(clazz, message); if (cause != null) { try { sqlEx.initCause(cause); } catch (Throwable t) { // we're not going to muck with that here, since it's an error condition anyway! } if (cause instanceof CJException) { sqlEx.setSQLState(((CJException) cause).getSQLState()); sqlEx.setVendorCode(((CJException) cause).getVendorCode()); sqlEx.setTransient(((CJException) cause).isTransient()); } } return sqlEx; } public static CJException createException(String message, Throwable cause, ExceptionInterceptor interceptor) { return createException(CJException.class, message, cause, interceptor); } public static CJException createException(String message, String sqlState, int vendorErrorCode, boolean isTransient, Throwable cause, ExceptionInterceptor interceptor) { CJException ex = createException(CJException.class, message, cause, interceptor); ex.setSQLState(sqlState); ex.setVendorCode(vendorErrorCode); ex.setTransient(isTransient); return ex; } /** * * @param clazz * exception class * @param message * message * @param cause * exception caused this one * @param interceptor * exception interceptor * @param <T> * {@link CJException} * @return {@link CJException} instance */ public static <T extends CJException> T createException(Class<T> clazz, String message, Throwable cause, ExceptionInterceptor interceptor) { T sqlEx = createException(clazz, message, cause); // TODO: Decide whether we need to intercept exceptions at this level //if (interceptor != null) { // @SuppressWarnings("unchecked") // T interceptedEx = (T) interceptor.interceptException(sqlEx, null); // if (interceptedEx != null) { // return interceptedEx; // } //} return sqlEx; } public static CJCommunicationsException createCommunicationsException(PropertySet propertySet, ServerSession serverSession, PacketSentTimeHolder packetSentTimeHolder, PacketReceivedTimeHolder packetReceivedTimeHolder, Throwable cause, ExceptionInterceptor interceptor) { CJCommunicationsException sqlEx = createException(CJCommunicationsException.class, null, cause, interceptor); sqlEx.init(propertySet, serverSession, packetSentTimeHolder, packetReceivedTimeHolder); // TODO: Decide whether we need to intercept exceptions at this level //if (interceptor != null) { // @SuppressWarnings("unchecked") // T interceptedEx = (T) interceptor.interceptException(sqlEx, null); // if (interceptedEx != null) { // return interceptedEx; // } //} return sqlEx; } /** * Creates a communications link failure message to be used in CommunicationsException * that (hopefully) has some better information and suggestions based on heuristics. * * @param propertySet * property set * @param serverSession * server session * @param packetSentTimeHolder * packetSentTimeHolder * @param packetReceivedTimeHolder * packetReceivedTimeHolder * @param underlyingException * underlyingException * @return message */ public static String createLinkFailureMessageBasedOnHeuristics(PropertySet propertySet, ServerSession serverSession, PacketSentTimeHolder packetSentTimeHolder, PacketReceivedTimeHolder packetReceivedTimeHolder, Throwable underlyingException) { long serverTimeoutSeconds = 0; boolean isInteractiveClient = false; long lastPacketReceivedTimeMs = packetReceivedTimeHolder == null ? 0L : packetReceivedTimeHolder.getLastPacketReceivedTime(); long lastPacketSentTimeMs = packetSentTimeHolder.getLastPacketSentTime(); if (lastPacketSentTimeMs > lastPacketReceivedTimeMs) { lastPacketSentTimeMs = packetSentTimeHolder.getPreviousPacketSentTime(); } if (propertySet != null) { isInteractiveClient = propertySet.getBooleanProperty(PropertyKey.interactiveClient).getValue(); String serverTimeoutSecondsStr = null; if (serverSession != null) { serverTimeoutSecondsStr = isInteractiveClient ? serverSession.getServerVariable("interactive_timeout") : serverSession.getServerVariable("wait_timeout"); } if (serverTimeoutSecondsStr != null) { try { serverTimeoutSeconds = Long.parseLong(serverTimeoutSecondsStr); } catch (NumberFormatException nfe) { serverTimeoutSeconds = 0; } } } StringBuilder exceptionMessageBuf = new StringBuilder(); long nowMs = System.currentTimeMillis(); if (lastPacketSentTimeMs == 0) { lastPacketSentTimeMs = nowMs; } long timeSinceLastPacketSentMs = (nowMs - lastPacketSentTimeMs); long timeSinceLastPacketSeconds = timeSinceLastPacketSentMs / 1000; long timeSinceLastPacketReceivedMs = (nowMs - lastPacketReceivedTimeMs); int dueToTimeout = DUE_TO_TIMEOUT_FALSE; StringBuilder timeoutMessageBuf = null; if (serverTimeoutSeconds != 0) { if (timeSinceLastPacketSeconds > serverTimeoutSeconds) { dueToTimeout = DUE_TO_TIMEOUT_TRUE; timeoutMessageBuf = new StringBuilder(); timeoutMessageBuf.append(Messages.getString("CommunicationsException.2")); timeoutMessageBuf.append(Messages.getString(isInteractiveClient ? "CommunicationsException.4" : "CommunicationsException.3")); } } else if (timeSinceLastPacketSeconds > DEFAULT_WAIT_TIMEOUT_SECONDS) { dueToTimeout = DUE_TO_TIMEOUT_MAYBE; timeoutMessageBuf = new StringBuilder(); timeoutMessageBuf.append(Messages.getString("CommunicationsException.5")); timeoutMessageBuf.append(Messages.getString("CommunicationsException.6")); timeoutMessageBuf.append(Messages.getString("CommunicationsException.7")); timeoutMessageBuf.append(Messages.getString("CommunicationsException.8")); } if (dueToTimeout == DUE_TO_TIMEOUT_TRUE || dueToTimeout == DUE_TO_TIMEOUT_MAYBE) { exceptionMessageBuf.append(lastPacketReceivedTimeMs != 0 ? Messages.getString("CommunicationsException.ServerPacketTimingInfo", new Object[] { Long.valueOf(timeSinceLastPacketReceivedMs), Long.valueOf(timeSinceLastPacketSentMs) }) : Messages.getString("CommunicationsException.ServerPacketTimingInfoNoRecv", new Object[] { Long.valueOf(timeSinceLastPacketSentMs) })); if (timeoutMessageBuf != null) { exceptionMessageBuf.append(timeoutMessageBuf); } exceptionMessageBuf.append(Messages.getString("CommunicationsException.11")); exceptionMessageBuf.append(Messages.getString("CommunicationsException.12")); exceptionMessageBuf.append(Messages.getString("CommunicationsException.13")); } else { // // Attempt to determine the reason for the underlying exception (we can only make a best-guess here) // if (underlyingException instanceof BindException) { String localSocketAddress = propertySet.getStringProperty(PropertyKey.localSocketAddress).getValue(); exceptionMessageBuf.append(localSocketAddress != null && !Util.interfaceExists(localSocketAddress) ? Messages.getString("CommunicationsException.LocalSocketAddressNotAvailable") : Messages.getString("CommunicationsException.TooManyClientConnections")); } } if (exceptionMessageBuf.length() == 0) { // We haven't figured out a good reason, so copy it. exceptionMessageBuf.append(Messages.getString("CommunicationsException.20")); if (propertySet.getBooleanProperty(PropertyKey.maintainTimeStats).getValue() && !propertySet.getBooleanProperty(PropertyKey.paranoid).getValue()) { exceptionMessageBuf.append("\n\n"); exceptionMessageBuf.append(lastPacketReceivedTimeMs != 0 ? Messages.getString("CommunicationsException.ServerPacketTimingInfo", new Object[] { Long.valueOf(timeSinceLastPacketReceivedMs), Long.valueOf(timeSinceLastPacketSentMs) }) : Messages.getString("CommunicationsException.ServerPacketTimingInfoNoRecv", new Object[] { Long.valueOf(timeSinceLastPacketSentMs) })); } } return exceptionMessageBuf.toString(); } }
⏎ com/mysql/cj/exceptions/ExceptionFactory.java
Or download all of them as a single archive file:
File name: mysql-connector-java-core-api-8.0.31.zip File size: 309381 bytes Release date: 2022-09-03 Download
⇒ Source Code for Connector/J 8.0.31 - Core Impl
⇐ What Is mysql-connector-j-8.0.31.jar?
2023-05-31, 6205👍, 0💬
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