src/main/java/org/takes/tk/TkSlf4j.java
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2024 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.tk;
import java.io.IOException;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import org.cactoos.Func;
import org.cactoos.Scalar;
import org.cactoos.map.MapEntry;
import org.cactoos.text.FormattedText;
import org.cactoos.text.Joined;
import org.cactoos.text.TextOf;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.takes.Request;
import org.takes.Response;
import org.takes.Take;
import org.takes.rq.RqHref;
import org.takes.rq.RqMethod;
/**
* Logs Take.act() calls.
*
* <p>The class is immutable and thread-safe.
*
* @since 0.11.2
*/
@ToString(of = {"origin", "target"})
@EqualsAndHashCode
public final class TkSlf4j implements Take {
/**
* Original take.
*/
private final Take origin;
/**
* Log target.
*/
private final String target;
/**
* Ctor.
* @param take Original
*/
public TkSlf4j(final Take take) {
this(take, TkSlf4j.class);
}
/**
* Ctor.
* @param take Original
* @param tgt Log target
*/
public TkSlf4j(final Take take, final Class<?> tgt) {
this(take, tgt.getCanonicalName());
}
/**
* Ctor.
* @param take Original
* @param tgt Log target
*/
public TkSlf4j(final Take take, final String tgt) {
this.target = tgt;
this.origin = take;
}
@Override
@SuppressWarnings("PMD.AvoidCatchingGenericException")
public Response act(final Request req) throws Exception {
final Scalar<Long> time = System::currentTimeMillis;
final long start = time.value();
final Logger logger = LoggerFactory.getLogger(this.target);
final Func<MapEntry<String, Object[]>, String> entry =
params -> new Joined(
new TextOf(" "),
new FormattedText(
"[%s %s]",
new RqMethod.Base(req).method(),
new RqHref.Base(req).href()
),
new FormattedText(params.getKey(), params.getValue()),
new FormattedText("in %d ms", time.value() - start)
).asString();
try {
final Response rsp = this.origin.act(req);
if (logger.isInfoEnabled()) {
logger.info(
entry.apply(
new MapEntry<>(
"returned \"%s\"",
new Object[]{rsp.head().iterator().next()}
)
)
);
}
return rsp;
} catch (final IOException ex) {
if (logger.isInfoEnabled()) {
logger.info(
entry.apply(
new MapEntry<>(
"thrown %s(\"%s\")",
new Object[]{
ex.getClass().getCanonicalName(),
ex.getLocalizedMessage(),
}
)
)
);
}
throw ex;
// @checkstyle IllegalCatchCheck (1 line)
} catch (final RuntimeException ex) {
if (logger.isInfoEnabled()) {
logger.info(
entry.apply(
new MapEntry<>(
"thrown runtime %s(\"%s\")",
new Object[]{
ex.getClass().getCanonicalName(),
ex.getLocalizedMessage(),
}
)
)
);
}
throw ex;
}
}
}