X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.acorn%2Fsrc%2Forg%2Fsimantics%2Facorn%2FHeadState.java;h=dd8703c1fc689e0ed0bbfc1968e6730913d74750;hp=c20d8e878a4eec04ebaa26ab892efa1790aea431;hb=d42dba7176089fe102b0693337708c7c8304b86e;hpb=463c2a8dd4b9ca623872e6520906c19c03a1c4cb

diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java
index c20d8e878..dd8703c1f 100644
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java
+++ b/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java
@@ -1,7 +1,6 @@
 package org.simantics.acorn;
 
 import java.io.ByteArrayInputStream;
-import java.io.File;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.file.Files;
@@ -11,6 +10,7 @@ import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
 import java.util.Arrays;
 
+import org.simantics.acorn.exception.InvalidHeadStateException;
 import org.simantics.databoard.Bindings;
 import org.simantics.databoard.binding.mutable.MutableVariant;
 import org.simantics.databoard.serialization.Serializer;
@@ -18,6 +18,9 @@ import org.simantics.databoard.util.binary.BinaryMemory;
 
 public class HeadState {
 
+    public static final String HEAD_STATE = "head.state";
+    public static final String SHA_1 = "SHA-1";
+    
     public int headChangeSetId = 0;
     public long transactionId = 1;
     public long reservedIds = 3;
@@ -29,11 +32,11 @@ public class HeadState {
 //    public ArrayList<String> ccs = new ArrayList<String>();
 
     public static HeadState load(Path directory) throws InvalidHeadStateException {
-        Path f = directory.resolve("head.state");
+        Path f = directory.resolve(HEAD_STATE);
         
         try {
             byte[] bytes = Files.readAllBytes(f);
-            MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
+            MessageDigest sha1 = MessageDigest.getInstance(SHA_1);
             int digestLength = sha1.getDigestLength();
             
             sha1.update(bytes, digestLength, bytes.length - digestLength);
@@ -43,10 +46,10 @@ public class HeadState {
                         "Checksum " + Arrays.toString(newChecksum) + " does not match excpected "
                                 + Arrays.toString(Arrays.copyOfRange(bytes, 0, digestLength)) + " for " + f.toAbsolutePath());
             }
-            
-            HeadState object = (HeadState) org.simantics.databoard.Files.readFile(new ByteArrayInputStream(bytes, digestLength, bytes.length - digestLength), Bindings.getBindingUnchecked(HeadState.class));
-            return object;
-            
+            try (ByteArrayInputStream bais = new ByteArrayInputStream(bytes, digestLength, bytes.length - digestLength)) {
+                HeadState object = (HeadState) org.simantics.databoard.Files.readFile(bais, Bindings.getBindingUnchecked(HeadState.class));
+                return object;
+            }
         } catch (IOException i) {
             return new HeadState();
 //            throw new InvalidHeadStateException(i);
@@ -58,7 +61,7 @@ public class HeadState {
     }
     
     public void save(Path directory) throws IOException {
-        Path f = directory.resolve("head.state");
+        Path f = directory.resolve(HEAD_STATE);
         try {
             BinaryMemory rf = new BinaryMemory(4096);
             try {
@@ -71,7 +74,7 @@ public class HeadState {
             
             byte[] bytes = rf.toByteBuffer().array();
             
-            MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
+            MessageDigest sha1 = MessageDigest.getInstance(SHA_1);
             sha1.update(bytes);
             byte[] checksum = sha1.digest();
             
@@ -88,7 +91,7 @@ public class HeadState {
     public static void validateHeadStateIntegrity(Path headState) throws InvalidHeadStateException, IOException {
         try {
             byte[] bytes = Files.readAllBytes(headState);
-            MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
+            MessageDigest sha1 = MessageDigest.getInstance(SHA_1);
             int digestLength = sha1.getDigestLength();
             sha1.update(bytes, digestLength, bytes.length - digestLength);
             byte[] newChecksum = sha1.digest();