58 lines
1.6 KiB
Java
58 lines
1.6 KiB
Java
package org.gcube.common.gxrest.response.entity;
|
|
|
|
import java.util.StringJoiner;
|
|
|
|
/**
|
|
* Encoder for {@link StackTraceElement}.
|
|
*
|
|
* @author Manuele Simi (ISTI-CNR)
|
|
*
|
|
*/
|
|
public class StackTraceEncoder {
|
|
|
|
private final static String FIELD_SEPARATOR = "~~";
|
|
|
|
private final static String ELEMENT_SEPARATOR = "~!~";
|
|
|
|
private StackTraceEncoder() {
|
|
}
|
|
|
|
/**
|
|
* Encodes the stacktrace element as string.
|
|
*
|
|
* @param element
|
|
* @return the encoded element
|
|
*/
|
|
public static String encodeElement(StackTraceElement element) {
|
|
return element.getClassName() + FIELD_SEPARATOR + element.getMethodName() + FIELD_SEPARATOR
|
|
+ element.getFileName() + FIELD_SEPARATOR + element.getLineNumber();
|
|
|
|
}
|
|
|
|
/**
|
|
* Decodes the string as stacktrace element.
|
|
*
|
|
* @param encoded
|
|
* @return the decoded element
|
|
*/
|
|
public static StackTraceElement decodeElement(String encoded) {
|
|
String[] elements = encoded.split(FIELD_SEPARATOR, 4);
|
|
return new StackTraceElement(elements[0], elements[1], elements[2], Integer.valueOf(elements[3]));
|
|
}
|
|
|
|
public static String encodeTrace(StackTraceElement[] elements, int lines) {
|
|
StringJoiner joiner = new StringJoiner(ELEMENT_SEPARATOR);
|
|
for (int i = 0; i < lines; i++)
|
|
joiner.add(encodeElement(elements[i]));
|
|
return joiner.toString();
|
|
}
|
|
|
|
public static StackTraceElement[] decodeTrace(String joinedTrace) {
|
|
String[] encodedElements = joinedTrace.split(ELEMENT_SEPARATOR);
|
|
StackTraceElement[] elements = new StackTraceElement[encodedElements.length];
|
|
for (int i = 0; i < encodedElements.length; i++)
|
|
elements[i] = StackTraceEncoder.decodeElement(encodedElements[i]);
|
|
return elements;
|
|
}
|
|
}
|