update run.dev and add gradlew

Signed-off-by: Osama Rabea <159753803+OsamaRab3@users.noreply.github.com>

Author: OsamaRab3

samples/chaincodes/java-chaincode/.gitignore

@@ -2,7 +2,6 @@
 .gradle/
 build/
 gradle/
-gradlew
 gradlew.bat
 
 # IDE files

samples/chaincodes/java-chaincode/gradlew

@@ -1,16 +1,47 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+set -eu
+
+echo "Checking if chaincode is installed and running..."
+
+if ! docker exec peer0.org1.example.com peer chaincode list --installed 2>/dev/null | grep -q "simple-asset"; then
+    echo "ERROR: Chaincode 'simple-asset' is not installed on the peer."
+    echo "Please install the chaincode first"
+    exit 1
+fi
+
+
+if ! docker exec peer0.org1.example.com peer chaincode list --instantiated -C mychannel 2>/dev/null | grep -q "simple-asset"; then
+    echo "ERROR: Chaincode 'simple-asset' is not committed to the channel."
+    echo "Please commit the chaincode first."
+    exit 1
+fi
+
 
-# Build the chaincode (using shadowJar)
 ./gradlew clean shadowJar
 
+if [ ! -f "build/libs/java-chaincode-1.0-SNAPSHOT-all.jar" ]; then
+    echo "Error: JAR file was not created. Build may have failed."
+    exit 1
+fi
+
+if ! docker ps | grep -q "peer0.org1.example.com"; then
+    echo "Error: peer0.org1.example.com container is not running."
+    echo "Please make sure the Fabric network is up and running."
+    exit 1
+fi
+
+# Get the IP address of peer0.org1.example.com
 peer_ip=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' peer0.org1.example.com)
 if [ -z "$peer_ip" ]; then
   echo "Error: Could not find peer0.org1.example.com IP address."
   exit 1
 fi
 # Run the chaincode in dev mode
 CORE_CHAINCODE_LOGLEVEL=debug \
-CORE_PEER_TLS_ENABLED= true \
+CORE_PEER_TLS_ENABLED=true \
 CORE_CHAINCODE_ID_NAME=simple-asset:1.0 \
 CORE_PEER_ADDRESS=$peer_ip:7051 \
+CORE_CHAINCODE_LOGGING_LEVEL=DEBUG \
+CORE_CHAINCODE_LOGGING_SHIM=debug \
 java -jar build/libs/java-chaincode-1.0-SNAPSHOT-all.jar