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17 package org.apache.logging.log4j.core.pattern;
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19 import org.apache.logging.log4j.core.LogEvent;
20 import org.apache.logging.log4j.core.config.Configuration;
21 import org.apache.logging.log4j.core.config.plugins.Plugin;
22 import org.apache.logging.log4j.core.impl.ThrowableProxy;
23 import org.apache.logging.log4j.util.Strings;
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33 @Plugin(name = "ExtendedThrowablePatternConverter", category = PatternConverter.CATEGORY)
34 @ConverterKeys({ "xEx", "xThrowable", "xException" })
35 public final class ExtendedThrowablePatternConverter extends ThrowablePatternConverter {
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43 private ExtendedThrowablePatternConverter(final Configuration config, final String[] options) {
44 super("ExtendedThrowable", "throwable", options, config);
45 }
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55 public static ExtendedThrowablePatternConverter newInstance(final Configuration config, final String[] options) {
56 return new ExtendedThrowablePatternConverter(config, options);
57 }
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62 @Override
63 public void format(final LogEvent event, final StringBuilder toAppendTo) {
64 final ThrowableProxy proxy = event.getThrownProxy();
65 final Throwable throwable = event.getThrown();
66 if ((throwable != null || proxy != null) && options.anyLines()) {
67 if (proxy == null) {
68 super.format(event, toAppendTo);
69 return;
70 }
71 final String suffix = getSuffix(event);
72 final String extStackTrace = proxy.getExtendedStackTraceAsString(options.getIgnorePackages(), options.getTextRenderer(), suffix);
73 final int len = toAppendTo.length();
74 if (len > 0 && !Character.isWhitespace(toAppendTo.charAt(len - 1))) {
75 toAppendTo.append(' ');
76 }
77 if (!options.allLines() || !Strings.LINE_SEPARATOR.equals(options.getSeparator())) {
78 final StringBuilder sb = new StringBuilder();
79 final String[] array = extStackTrace.split(Strings.LINE_SEPARATOR);
80 final int limit = options.minLines(array.length) - 1;
81 for (int i = 0; i <= limit; ++i) {
82 sb.append(array[i]);
83 if (i < limit) {
84 sb.append(options.getSeparator());
85 }
86 }
87 toAppendTo.append(sb.toString());
88 } else {
89 toAppendTo.append(extStackTrace);
90 }
91 }
92 }
93
94 }