From 8f149346a66f873cc053be4d050ae18612a82f41 Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Wed, 10 Feb 2016 14:09:13 +0100
Subject: [PATCH] Add a REPL for Smack (smack-repl)

---
 repl                                          | 30 ++++++++++++++++
 settings.gradle                               |  3 +-
 smack-repl/build.gradle                       | 18 ++++++++++
 smack-repl/scala.repl                         |  6 ++++
 .../igniterealtime/smack/repl/SmackRepl.java  | 34 +++++++++++++++++++
 .../smack/repl/package-info.java              | 21 ++++++++++++
 6 files changed, 111 insertions(+), 1 deletion(-)
 create mode 100755 repl
 create mode 100644 smack-repl/build.gradle
 create mode 100644 smack-repl/scala.repl
 create mode 100644 smack-repl/src/main/java/org/igniterealtime/smack/repl/SmackRepl.java
 create mode 100644 smack-repl/src/main/java/org/igniterealtime/smack/repl/package-info.java

diff --git a/repl b/repl
new file mode 100755
index 000000000..20ffd4b66
--- /dev/null
+++ b/repl
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -e
+set -u
+set -o pipefail
+
+while getopts d OPTION "$@"; do
+    case $OPTION in
+	d)
+	    set -x
+	    ;;
+    esac
+done
+
+echo "Compiling and computing classpath (May take a while)"
+# Sadly even with the --quiet option Gradle (or some component of)
+# will print the number of warnings/errors to stdout if there are
+# any. So the result could look like
+# 52 warnings\n1 warning\n12 warnings\n
+# /smack/smack-repl/build/classes/main:/smack/smack-repl/build/
+# resources/main:/smack/smack-tcp/build/libs/smack-tcp-4.2.0-alpha4-SNAPSHOT.jar
+# So perform a "tail -n1" on the output of gradle
+declare -r GRADLE_CLASSPATH="$(gradle :smack-repl:printClasspath --quiet |\
+	tail -n1)"
+echo "Finished, starting REPL"
+
+java \
+	-Dscala.usejavacp=true \
+	-classpath "${GRADLE_CLASSPATH}" \
+	scala.tools.nsc.MainGenericRunner \
+	-i smack-repl/scala.repl
diff --git a/settings.gradle b/settings.gradle
index 5759f000e..9d5284329 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -22,4 +22,5 @@ include 'smack-core',
 		'smack-android',
 		'smack-android-extensions',
 		'smack-java7',
-		'smack-integration-test'
+		'smack-integration-test',
+		'smack-repl'
diff --git a/smack-repl/build.gradle b/smack-repl/build.gradle
new file mode 100644
index 000000000..4e9cb35fe
--- /dev/null
+++ b/smack-repl/build.gradle
@@ -0,0 +1,18 @@
+ext {
+    scalaVersion = '2.11.7'
+}
+
+dependencies {
+    compile project(':smack-tcp')
+	compile project(':smack-bosh')
+	compile project(':smack-java7')
+	compile project(':smack-resolver-minidns')
+    compile project(':smack-extensions')
+	compile project(':smack-experimental')
+	compile project(':smack-legacy')
+    compile "org.scala-lang:scala-compiler:${scalaVersion}"
+}
+
+task printClasspath(dependsOn: assemble) << {
+    println sourceSets.main.runtimeClasspath.asPath
+}
diff --git a/smack-repl/scala.repl b/smack-repl/scala.repl
new file mode 100644
index 000000000..0fcca635c
--- /dev/null
+++ b/smack-repl/scala.repl
@@ -0,0 +1,6 @@
+org.igniterealtime.smack.repl.SmackRepl.init()
+
+import org.jivesoftware.smack._
+import org.jivesoftware.smack.util.TLSUtils
+import org.jivesoftware.smack.tcp._
+import org.jxmpp.jid.impl.JidCreate
diff --git a/smack-repl/src/main/java/org/igniterealtime/smack/repl/SmackRepl.java b/smack-repl/src/main/java/org/igniterealtime/smack/repl/SmackRepl.java
new file mode 100644
index 000000000..841e7fb1f
--- /dev/null
+++ b/smack-repl/src/main/java/org/igniterealtime/smack/repl/SmackRepl.java
@@ -0,0 +1,34 @@
+/**
+ *
+ * Copyright 2016 Florian Schmaus
+ *
+ * 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.
+ */
+package org.igniterealtime.smack.repl;
+
+import org.jivesoftware.smack.SmackConfiguration;
+import org.jivesoftware.smack.util.dns.javax.JavaxResolver;
+
+public class SmackRepl {
+
+    public static void init() {
+        SmackConfiguration.getVersion();
+        // smack-repl also pulls in smack-resolver-minidns which has higher precedence the smack-resolver-javax but
+        // won't work on Java SE platforms. Therefore explicitly setup JavaxResolver.
+        JavaxResolver.setup();
+        // CHECKSTYLE:OFF
+        System.out.println("Smack REPL");
+        // CHECKSTYLE:ON
+    }
+
+}
diff --git a/smack-repl/src/main/java/org/igniterealtime/smack/repl/package-info.java b/smack-repl/src/main/java/org/igniterealtime/smack/repl/package-info.java
new file mode 100644
index 000000000..36c6a20a6
--- /dev/null
+++ b/smack-repl/src/main/java/org/igniterealtime/smack/repl/package-info.java
@@ -0,0 +1,21 @@
+/**
+ *
+ * Copyright 2016 Florian Schmaus
+ *
+ * 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.
+ */
+
+/**
+ * A REPL (Read Eval Print Loop) for Smack.
+ */
+package org.igniterealtime.smack.repl;