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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.logging;
import java.time.Instant;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import org.onap.aai.util.AAIConfig;
import org.onap.aai.util.AAIConstants;
import org.onap.aai.exceptions.AAIException;
import org.apache.commons.lang.exception.ExceptionUtils;
public class LogFormatTools {
private static final String DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
private static final DateTimeFormatter DTF = DateTimeFormatter.ofPattern(DATE_FORMAT)
.withZone(ZoneOffset.UTC);
public static String getCurrentDateTime() {
return DTF.format(ZonedDateTime.now());
}
public static String toDate(long timestamp) {
return DTF.format(Instant.ofEpochMilli(timestamp));
}
public static long toTimestamp(String date) {
return ZonedDateTime.parse(date, DTF).toInstant().toEpochMilli();
}
/**
* Gets the stack top.
*
* @param e the e
* @return the stack top
* @throws NumberFormatException the number format exception
* @throws AAIException the AAI exception
*/
public static String getStackTop(Throwable e) {
StringBuffer stackMessage = new StringBuffer();
int maxStackTraceEntries = 10;
try {
maxStackTraceEntries = Integer.valueOf(AAIConfig.get(AAIConstants.LOGGING_MAX_STACK_TRACE_ENTRIES));
}
catch (AAIException a) {
//ignore, use default
}
catch (NumberFormatException n) {
//ignore, use default
}
if (e != null) {
Throwable rootCause = ExceptionUtils.getRootCause(e);
if (rootCause != null) {
stackMessage.append("root cause=" + ExceptionUtils.getRootCause(e));
StackTraceElement[] elements = rootCause.getStackTrace();
int i = 0;
for (StackTraceElement element : elements) {
if (i < maxStackTraceEntries) {
stackMessage.append(" ClassName- ");
stackMessage.append(element.getClassName());
stackMessage.append(" :LineNumber- ");
stackMessage.append(element.getLineNumber());
stackMessage.append(" :MethodName- ");
stackMessage.append(element.getMethodName());
}
i++;
}
} else if (e.getCause() != null) {
stackMessage.append("cause=" + e.getCause());
StackTraceElement[] elements = e.getCause().getStackTrace();
int i = 0;
for (StackTraceElement element : elements) {
if (i < maxStackTraceEntries) {
stackMessage.append(" ClassName- ");
stackMessage.append(element.getClassName());
stackMessage.append(" :LineNumber- ");
stackMessage.append(element.getLineNumber());
stackMessage.append(" :MethodName- ");
stackMessage.append(element.getMethodName());
}
i++;
}
} else if (e.getStackTrace() != null) {
stackMessage.append("ex=" + e.toString());
StackTraceElement[] elements = e.getStackTrace();
int i = 0;
for (StackTraceElement element : elements) {
if (i < maxStackTraceEntries) {
stackMessage.append(" ClassName- ");
stackMessage.append(element.getClassName());
stackMessage.append(" :LineNumber- ");
stackMessage.append(element.getLineNumber());
stackMessage.append(" :MethodName- ");
stackMessage.append(element.getMethodName());
}
i++;
}
}
}
return stackMessage.toString();
}
}
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