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/**
* Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* 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.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package org.jooq.tools;
import static java.lang.Boolean.TRUE;
import static org.jooq.impl.DSL.field;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.DSL.val;
import static org.jooq.tools.StringUtils.abbreviate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Level;
import org.jooq.Configuration;
import org.jooq.ExecuteContext;
import org.jooq.ExecuteListener;
import org.jooq.ExecuteType;
import org.jooq.Field;
import org.jooq.Param;
import org.jooq.Parameter;
import org.jooq.QueryPart;
import org.jooq.Record;
import org.jooq.Routine;
import org.jooq.VisitContext;
import org.jooq.VisitListener;
import org.jooq.VisitListenerProvider;
import org.jooq.impl.DSL;
import org.jooq.impl.DefaultExecuteListener;
import org.jooq.impl.DefaultVisitListener;
import org.jooq.impl.DefaultVisitListenerProvider;
/**
* A default {@link ExecuteListener} that just logs events to java.util.logging,
* log4j, or slf4j using the {@link JooqLogger}
*
* @author Lukas Eder
*/
public class LoggerListener extends DefaultExecuteListener {
/**
* Generated UID
*/
private static final long serialVersionUID = 7399239846062763212L;
private static final JooqLogger log = JooqLogger.getLogger(LoggerListener.class);
@Override
public void renderEnd(ExecuteContext ctx) {
if (log.isDebugEnabled()) {
Configuration configuration = ctx.configuration();
String newline = TRUE.equals(configuration.settings().isRenderFormatted()) ? "\n" : "";
// [#2939] Prevent excessive logging of bind variables only in DEBUG mode, not in TRACE mode.
if (!log.isTraceEnabled())
configuration = abbreviateBindVariables(configuration);
String[] batchSQL = ctx.batchSQL();
if (ctx.query() != null) {
// Actual SQL passed to JDBC
log.debug("Executing query", newline + ctx.sql());
// [#1278] DEBUG log also SQL with inlined bind values, if
// that is not the same as the actual SQL passed to JDBC
String inlined = DSL.using(configuration).renderInlined(ctx.query());
if (!ctx.sql().equals(inlined))
log.debug("-> with bind values", newline + inlined);
}
// [#2987] Log routines
else if (ctx.routine() != null) {
log.debug("Calling routine", newline + ctx.sql());
String inlined = DSL.using(configuration)
.renderInlined(ctx.routine());
if (!ctx.sql().equals(inlined))
log.debug("-> with bind values", newline + inlined);
}
else if (!StringUtils.isBlank(ctx.sql())) {
// [#1529] Batch queries should be logged specially
if (ctx.type() == ExecuteType.BATCH)
log.debug("Executing batch query", newline + ctx.sql());
else
log.debug("Executing query", newline + ctx.sql());
}
// [#2532] Log a complete BatchMultiple query
else if (batchSQL.length > 0) {
if (batchSQL[batchSQL.length - 1] != null)
for (String sql : batchSQL)
log.debug("Executing batch query", newline + sql);
}
}
}
@Override
public void recordEnd(ExecuteContext ctx) {
if (log.isTraceEnabled() && ctx.record() != null)
logMultiline("Record fetched", ctx.record().toString(), Level.FINER);
}
@Override
public void resultEnd(ExecuteContext ctx) {
if (ctx.result() != null)
if (log.isTraceEnabled())
logMultiline("Fetched result", ctx.result().format(500), Level.FINE);
else if (log.isDebugEnabled())
logMultiline("Fetched result", ctx.result().format(5), Level.FINE);
}
@Override
public void executeEnd(ExecuteContext ctx) {
if (ctx.rows() >= 0)
if (log.isDebugEnabled())
log.debug("Affected row(s)", ctx.rows());
}
@Override
public void outEnd(ExecuteContext ctx) {
if (ctx.routine() != null)
if (log.isDebugEnabled())
logMultiline("Fetched OUT parameters", "" + record(ctx.configuration(), ctx.routine()), Level.FINE);
}
@Override
public void exception(ExecuteContext ctx) {
if (log.isDebugEnabled())
log.debug("Exception", ctx.exception());
}
@SuppressWarnings({ "rawtypes", "unchecked" })
private Record record(Configuration configuration, Routine routine) {
Record result = null;
List> fields = new ArrayList>();
Parameter returnParam = routine.getReturnParameter();
if (returnParam != null)
fields.add(field(name(returnParam.getName()), returnParam.getDataType()));
for (Parameter param : routine.getOutParameters())
fields.add(field(name(param.getName()), param.getDataType()));
result = DSL.using(configuration).newRecord(fields.toArray(new Field[0]));
int i = 0;
if (returnParam != null)
result.setValue((Field) fields.get(i++), routine.getValue(returnParam));
for (Parameter param : routine.getOutParameters())
result.setValue((Field) fields.get(i++), routine.getValue(param));
result.changed(false);
return result;
}
private void logMultiline(String comment, String message, Level level) {
for (String line : message.split("\n")) {
if (level == Level.FINE) {
log.debug(comment, line);
}
else {
log.trace(comment, line);
}
comment = "";
}
}
private static final int maxLength = 2000;
/**
* Add a {@link VisitListener} that transforms all bind variables by abbreviating them.
*/
private final Configuration abbreviateBindVariables(Configuration configuration) {
VisitListenerProvider[] oldProviders = configuration.visitListenerProviders();
VisitListenerProvider[] newProviders = new VisitListenerProvider[oldProviders.length + 1];
System.arraycopy(oldProviders, 0, newProviders, 0, oldProviders.length);
newProviders[newProviders.length - 1] = new DefaultVisitListenerProvider(new BindValueAbbreviator());
return configuration.derive(newProviders);
}
private static class BindValueAbbreviator extends DefaultVisitListener {
private boolean anyAbbreviations = false;
@Override
public void visitStart(VisitContext context) {
if (context.renderContext() != null) {
QueryPart part = context.queryPart();
if (part instanceof Param) {
Param param = (Param) part;
Object value = param.getValue();
if (value instanceof String && ((String) value).length() > maxLength) {
anyAbbreviations = true;
context.queryPart(val(abbreviate((String) value, maxLength)));
}
else if (value instanceof byte[] && ((byte[]) value).length > maxLength) {
anyAbbreviations = true;
context.queryPart(val(Arrays.copyOf((byte[]) value, maxLength)));
}
}
}
}
@Override
public void visitEnd(VisitContext context) {
if (anyAbbreviations) {
if (context.queryPartsLength() == 1) {
context.renderContext().sql(" -- Bind values may have been abbreviated for DEBUG logging. Use TRACE logging for very large bind variables.");
}
}
}
}
}
