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17 package org.apache.logging.log4j.core.appender.rolling.action;
18
19 import java.nio.file.Path;
20 import java.nio.file.attribute.BasicFileAttributes;
21 import java.nio.file.attribute.FileTime;
22 import java.util.Arrays;
23 import java.util.Collections;
24 import java.util.List;
25 import java.util.Objects;
26
27 import org.apache.logging.log4j.Logger;
28 import org.apache.logging.log4j.core.config.plugins.Plugin;
29 import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
30 import org.apache.logging.log4j.core.config.plugins.PluginElement;
31 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
32 import org.apache.logging.log4j.core.util.Clock;
33 import org.apache.logging.log4j.core.util.ClockFactory;
34 import org.apache.logging.log4j.status.StatusLogger;
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39 @Plugin(name = "IfLastModified", category = "Core", printObject = true)
40 public final class IfLastModified implements PathCondition {
41 private static final Logger LOGGER = StatusLogger.getLogger();
42 private static final Clock CLOCK = ClockFactory.getClock();
43
44 private final Duration age;
45 private final PathCondition[] nestedConditions;
46
47 private IfLastModified(final Duration age, final PathCondition[] nestedConditions) {
48 this.age = Objects.requireNonNull(age, "age");
49 this.nestedConditions = nestedConditions == null ? new PathCondition[0] : Arrays.copyOf(nestedConditions,
50 nestedConditions.length);
51 }
52
53 public Duration getAge() {
54 return age;
55 }
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57 public List<PathCondition> getNestedConditions() {
58 return Collections.unmodifiableList(Arrays.asList(nestedConditions));
59 }
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67 @Override
68 public boolean accept(final Path basePath, final Path relativePath, final BasicFileAttributes attrs) {
69 final FileTime fileTime = attrs.lastModifiedTime();
70 final long millis = fileTime.toMillis();
71 final long ageMillis = CLOCK.currentTimeMillis() - millis;
72 final boolean result = ageMillis >= age.toMillis();
73 final String match = result ? ">=" : "<";
74 final String accept = result ? "ACCEPTED" : "REJECTED";
75 LOGGER.trace("IfLastModified {}: {} ageMillis '{}' {} '{}'", accept, relativePath, ageMillis, match, age);
76 if (result) {
77 return IfAll.accept(nestedConditions, basePath, relativePath, attrs);
78 }
79 return result;
80 }
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87 @Override
88 public void beforeFileTreeWalk() {
89 IfAll.beforeFileTreeWalk(nestedConditions);
90 }
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99 @PluginFactory
100 public static IfLastModified createAgeCondition(
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102 @PluginAttribute("age") final Duration age,
103 @PluginElement("PathConditions") final PathCondition... nestedConditions) {
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105 return new IfLastModified(age, nestedConditions);
106 }
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108 @Override
109 public String toString() {
110 final String nested = nestedConditions.length == 0 ? "" : " AND " + Arrays.toString(nestedConditions);
111 return "IfLastModified(age=" + age + nested + ")";
112 }
113 }