From 87d57275e29be71d0c6634fac5471cc96f6b5017 Mon Sep 17 00:00:00 2001
From: Tobias Johansson <tobias.j.e.johansson@gmail.com>
Date: Mon, 7 Mar 2016 00:58:58 +0100
Subject: Rewrite Java 8 code in BootstrapScala.java in Java 7

---
 bootstrap_scala/BootstrapScala.java | 24 +++++++++++++++---------
 cbt                                 |  4 ++--
 2 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/bootstrap_scala/BootstrapScala.java b/bootstrap_scala/BootstrapScala.java
index 9c2565c..a4a2ed1 100644
--- a/bootstrap_scala/BootstrapScala.java
+++ b/bootstrap_scala/BootstrapScala.java
@@ -10,6 +10,7 @@ import java.nio.file.StandardCopyOption;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
+import java.util.Iterator;
 import javax.xml.bind.annotation.adapters.HexBinaryAdapter;
 
 /**
@@ -29,24 +30,30 @@ public class BootstrapScala {
   }
 
   public static void main(String args[]) throws IOException, NoSuchAlgorithmException {
-  
+
     if(args.length < 2){
       System.err.println("Usage: bootstrap_scala <scala version> <download directory>");
       System.exit(1);
     }
-  
+
     Dependency[] ds = dependencies( args[1], args[0] );
     new File(args[1]).mkdirs();
     for (Dependency d: ds) {
       download( d.url, d.path, d.hash );
     }
 
-    System.out.println(
-      String.join(
-        File.pathSeparator,
-        Arrays.stream(ds).map(d -> d.path.toString()).toArray(String[]::new)
-      )
-    );
+    // Join dep. paths as a classpath
+    String classpath = "";
+    Iterator<Dependency> depsIter = Arrays.asList(ds).iterator();
+    while (depsIter.hasNext()) {
+      Dependency dep = depsIter.next();
+      classpath += dep.path.toString();
+      if (depsIter.hasNext()) {
+          classpath += File.pathSeparator;
+      }
+    }
+
+    System.out.println(classpath);
 
   }
 
@@ -76,4 +83,3 @@ public class BootstrapScala {
   }
 
 }
-
diff --git a/cbt b/cbt
index 1f8e3cc..d228e9f 100755
--- a/cbt
+++ b/cbt
@@ -39,8 +39,8 @@ if [ ! $javac_installed -eq 0 ]; then
 fi
 javac_version=$(javac -version 2>&1 | cut -d ' ' -f 2)
 javac_version_minor=$(echo -n $javac_version | cut -d '.' -f 2)
-if [ ! "$javac_version_minor" -ge "8" ]; then
-	echo "You need to install javac version 1.8 or greater! CBT currently relies on Java 8." 2>&1
+if [ ! "$javac_version_minor" -ge "7" ]; then
+	echo "You need to install javac version 1.7 or greater!" 2>&1
 	echo "Current javac version is $javac_version" 2>&1
 	exit 1
 fi
-- 
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