com.pdd.pop.ext.glassfish.grizzly.utils.Exceptions Maven / Gradle / Ivy
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package com.pdd.pop.ext.glassfish.grizzly.utils;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Map;
/**
* Exceptions utilities.
*
* @author Alexey Stashok
*/
public class Exceptions {
/**
* Returns the {@link Throwable}'s stack trace information as {@link String}.
* The result {@link String} format will be the same as reported by {@link Throwable#printStackTrace()}.
*
* @param t {@link Throwable}.
* @return the {@link Throwable}'s stack trace information as {@link String}.
*/
public static String getStackTraceAsString(final Throwable t) {
final StringWriter stringWriter = new StringWriter(2048);
final PrintWriter pw = new PrintWriter(stringWriter);
t.printStackTrace(pw);
pw.close();
return stringWriter.toString();
}
/**
* Wrap the given {@link Throwable} by {@link IOException}.
*
* @param t {@link Throwable}.
* @return {@link IOException}.
*/
public static IOException makeIOException(final Throwable t) {
if (IOException.class.isAssignableFrom(t.getClass())) {
return (IOException) t;
}
return new IOException(t);
}
/**
* @return {@link String} representation of all the JVM threads
*
* @see Thread#getAllStackTraces()
*/
public static String getAllStackTracesAsString() {
final StringBuilder sb = new StringBuilder(256);
final Map all = Thread.getAllStackTraces();
for (Map.Entry entry : all.entrySet()) {
sb.append(entry.getKey()).append('\n');
for (StackTraceElement traceElement : entry.getValue()) {
sb.append("\tat ").append(traceElement).append('\n');
}
}
return sb.toString();
}
}