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17 package org.apache.logging.log4j.core.pattern;
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19 import java.util.List;
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21 import org.apache.logging.log4j.core.config.Configuration;
22 import org.apache.logging.log4j.core.config.plugins.Plugin;
23 import org.apache.logging.log4j.core.layout.PatternLayout;
24 import org.apache.logging.log4j.util.PerformanceSensitive;
25 import org.apache.logging.log4j.util.StringBuilders;
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30 @Plugin(name = "equals", category = PatternConverter.CATEGORY)
31 @ConverterKeys({ "equals" })
32 @PerformanceSensitive("allocation")
33 public final class EqualsReplacementConverter extends EqualsBaseReplacementConverter {
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42 public static EqualsReplacementConverter newInstance(final Configuration config, final String[] options) {
43 if (options.length != 3) {
44 LOGGER.error("Incorrect number of options on equals. Expected 3 received " + options.length);
45 return null;
46 }
47 if (options[0] == null) {
48 LOGGER.error("No pattern supplied on equals");
49 return null;
50 }
51 if (options[1] == null) {
52 LOGGER.error("No test string supplied on equals");
53 return null;
54 }
55 if (options[2] == null) {
56 LOGGER.error("No substitution supplied on equals");
57 return null;
58 }
59 final String p = options[1];
60 final PatternParser parser = PatternLayout.createPatternParser(config);
61 final List<PatternFormatter> formatters = parser.parse(options[0]);
62 return new EqualsReplacementConverter(formatters, p, options[2], parser);
63 }
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73 private EqualsReplacementConverter(final List<PatternFormatter> formatters, final String testString,
74 final String substitution, final PatternParser parser) {
75 super("equals", "equals", formatters, testString, substitution, parser);
76 }
77
78 @Override
79 protected boolean equals(final String str, final StringBuilder buff, final int from, final int len) {
80 return StringBuilders.equals(str, 0, str.length(), buff, from, len);
81 }
82 }