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java-core-examples/exceptions/scripts/run-all.sh
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#!/usr/bin/env bash
# Regenerates every file in ../output/. Requires JDK25_HOME.
set -euo pipefail
[[ -z "${JDK25_HOME:-}" ]] && { echo "JDK25_HOME must be set" >&2; exit 1; }
cd "$(dirname "$0")/.."
OUT=output; mkdir -p "$OUT"
export JAVA_HOME="$JDK25_HOME"
mvn -q -f ../pom.xml -pl exceptions -am package
J="$JDK25_HOME/bin/java"
run() { echo "==> $1"; "$J" -cp target/classes "com.ankurm.exceptions.$1" 2>&1 | grep -v "Picked up" > "$OUT/$2"; }
run SuppressedDemo 01-suppressed.txt
run ChainingDemo 02-chaining.txt
run CheckedVsUncheckedDemo 03-checked-vs-unchecked.txt
run CustomHierarchyDemo 04-custom-hierarchy.txt
run FinallyTrapDemo 05-finally-trap.txt
echo "==> LambdaChecked (expected compile failure)"
"$JDK25_HOME/bin/javac" -d /tmp/lc src/broken/LambdaChecked.java 2>&1 | grep -v "Picked up" > "$OUT/06-lambda-checked-compile-error.txt" || true
for b in UnreachableCatch MultiCatchSubclass WiderOverride; do
n=$([[ $b == UnreachableCatch ]] && echo 07 || ([[ $b == MultiCatchSubclass ]] && echo 08 || echo 09))
"$JDK25_HOME/bin/javac" -d /tmp/lc src/broken/$b.java 2>&1 | grep -v "Picked up" > "$OUT/$n-$b-compile-error.txt" || true
done
echo "==> OmitStackTraceDemo (default, then -XX:-OmitStackTraceInFastThrow)"
{ echo '$ java OmitStackTraceDemo'; "$J" -cp target/classes com.ankurm.exceptions.OmitStackTraceDemo 2>&1 | grep -v "Picked up"
echo; echo '$ java -XX:-OmitStackTraceInFastThrow OmitStackTraceDemo'
"$J" -XX:-OmitStackTraceInFastThrow -cp target/classes com.ankurm.exceptions.OmitStackTraceDemo 2>&1 | grep -v "Picked up"; } > "$OUT/10-omit-stack-trace-in-fast-throw.txt"
run DeepTraceDemo 12-deep-trace.txt
"$J" -XX:+PrintFlagsFinal -version 2>/dev/null | grep -E "OmitStackTraceInFastThrow|MaxJavaStackTraceDepth|StackTraceInThrowable" | sed 's/ */ /g' > "$OUT/14-jvm-flags.txt"
echo "==> JMH"
"$J" -jar target/benchmarks.jar ExceptionCostBenchmark -rf text -rff "$OUT/11-jmh-raw.txt" 2>&1 | grep -v "Picked up" > /dev/null
cp target/surefire-reports/com.ankurm.exceptions.ExceptionBehaviourTest.txt "$OUT/13-tests.txt"
echo Done