package org.apache.logging.log4j.core.appender.rolling.action;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.Core;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
import org.apache.logging.log4j.core.config.plugins.PluginElement;
import org.apache.logging.log4j.core.config.plugins.PluginFactory;
import org.apache.logging.log4j.core.util.Clock;
import org.apache.logging.log4j.core.util.ClockFactory;
import org.apache.logging.log4j.status.StatusLogger;
@Plugin(name = "IfLastModified", category = Core.CATEGORY_NAME, printObject = true)
public final class IfLastModified implements PathCondition {
private static final Logger LOGGER = StatusLogger.getLogger();
private static final Clock CLOCK = ClockFactory.getClock();
private final Duration age;
private final PathCondition[] nestedConditions;
private IfLastModified(final Duration age, final PathCondition[] nestedConditions) {
this.age = Objects.requireNonNull(age, "age");
this.nestedConditions = nestedConditions == null ? new PathCondition[0] : Arrays.copyOf(nestedConditions,
nestedConditions.length);
}
public Duration getAge() {
return age;
}
public List<PathCondition> getNestedConditions() {
return Collections.unmodifiableList(Arrays.asList(nestedConditions));
}
@Override
public boolean accept(final Path basePath, final Path relativePath, final BasicFileAttributes attrs) {
final FileTime fileTime = attrs.lastModifiedTime();
final long millis = fileTime.toMillis();
final long ageMillis = CLOCK.currentTimeMillis() - millis;
final boolean result = ageMillis >= age.toMillis();
final String match = result ? ">=" : "<";
final String accept = result ? "ACCEPTED" : "REJECTED";
LOGGER.trace("IfLastModified {}: {} ageMillis '{}' {} '{}'", accept, relativePath, ageMillis, match, age);
if (result) {
return IfAll.accept(nestedConditions, basePath, relativePath, attrs);
}
return result;
}
@Override
public void beforeFileTreeWalk() {
IfAll.beforeFileTreeWalk(nestedConditions);
}
@PluginFactory
public static IfLastModified createAgeCondition(
@PluginAttribute("age") final Duration age,
@PluginElement("PathConditions") final PathCondition... nestedConditions) {
return new IfLastModified(age, nestedConditions);
}
@Override
public String toString() {
final String nested = nestedConditions.length == 0 ? "" : " AND " + Arrays.toString(nestedConditions);
return "IfLastModified(age=" + age + nested + ")";
}
}