Merge pull request #219 from ipfs-shipyard/fix/override-version-check

Allow client to override minimum ipfs version check

Author: kevodwyer

src/main/java/io/ipfs/api/IPFS.java

@@ -67,10 +67,18 @@ public IPFS(MultiAddress addr) {
     }
 
     public IPFS(String host, int port, String version, boolean ssl) {
-        this(host, port, version, DEFAULT_CONNECT_TIMEOUT_MILLIS, DEFAULT_READ_TIMEOUT_MILLIS, ssl);
+        this(host, port, version, true, DEFAULT_CONNECT_TIMEOUT_MILLIS, DEFAULT_READ_TIMEOUT_MILLIS, ssl);
+    }
+
+    public IPFS(String host, int port, String version, boolean enforceMinVersion, boolean ssl) {
+        this(host, port, version, enforceMinVersion, DEFAULT_CONNECT_TIMEOUT_MILLIS, DEFAULT_READ_TIMEOUT_MILLIS, ssl);
     }
 
     public IPFS(String host, int port, String version, int connectTimeoutMillis, int readTimeoutMillis, boolean ssl) {
+        this(host, port, version, true, connectTimeoutMillis, readTimeoutMillis, ssl);
+    }
+
+    public IPFS(String host, int port, String version, boolean enforceMinVersion, int connectTimeoutMillis, int readTimeoutMillis, boolean ssl) {
         if (connectTimeoutMillis < 0) throw new IllegalArgumentException("connect timeout must be zero or positive");
         if (readTimeoutMillis < 0) throw new IllegalArgumentException("read timeout must be zero or positive");
         this.host = host;
@@ -86,12 +94,14 @@ public IPFS(String host, int port, String version, int connectTimeoutMillis, int
 
         this.apiVersion = version;
         // Check IPFS is sufficiently recent
-        try {
-            Version detected = Version.parse(version());
-            if (detected.isBefore(MIN_VERSION))
-                throw new IllegalStateException("You need to use a more recent version of IPFS! >= " + MIN_VERSION);
-        } catch (IOException e) {
-            throw new RuntimeException(e);
+        if (enforceMinVersion) {
+            try {
+                Version detected = Version.parse(version());
+                if (detected.isBefore(MIN_VERSION))
+                    throw new IllegalStateException("You need to use a more recent version of IPFS! >= " + MIN_VERSION);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
         }
     }