Added version checker (#216)

.gitignore

@@ -29,6 +29,8 @@ tempDataForAliquotUploadzip
 *.dat
 STANDARDS_DATA_CHECK_FILES/
 
+!.currentVersion.txt
+
 # Resources
 !src/main/resources/**/*.xml
 !src/main/resources/**/listOfModelFiles.txt

pom.xml

@@ -21,7 +21,7 @@
     <groupId>org.cirdles</groupId>
     <artifactId>ET_Redux</artifactId>
     <name>ET_Redux</name>
-    <version>3.7.0</version>
+    <version>3.7.1</version>
     <description>Successor to U-Pb_Redux</description>
     <url>https://cirdles.org</url>
     <inceptionYear>2006</inceptionYear>

src/main/java/org/earthtime/ETRedux.java

@@ -27,12 +27,14 @@
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import javax.swing.JOptionPane;
 import javax.swing.ToolTipManager;
 import javax.swing.UIManager;
 import org.cirdles.commons.util.ResourceExtractor;
 import org.earthtime.UPb_Redux.exceptions.BadLabDataException;
 import org.earthtime.UPb_Redux.user.ReduxPersistentState;
 import org.earthtime.exceptions.ETWarningDialog;
+import org.earthtime.utilities.VersionChecker;
 
 /**
  *
@@ -69,7 +71,7 @@ public ETRedux(File reduxFile) //throws3 IOException, InvalidPreferencesFormatEx
         try (BufferedReader reader = Files.newBufferedReader(resourcePath, charset)) {
 
             String[] versionText = reader.readLine().split("=");
-            VERSION = versionText[1];
+            VERSION = versionText[1].trim();
 
             String[] versionDate = reader.readLine().split("=");
             RELEASE_DATE = versionDate[1];
@@ -79,6 +81,19 @@ public ETRedux(File reduxFile) //throws3 IOException, InvalidPreferencesFormatEx
             System.err.format("IOException: %s%n", x);
         }
 
+        try {
+            boolean upToDate = VersionChecker.checkIfCurrentVersion(VERSION);
+            if (!upToDate){
+                JOptionPane.showMessageDialog(
+                    null,
+                    new String[]{"There is a newer version of ET_Redux at " + "https://github.com/CIRDLES/ET_Redux/releases/ " + "."},
+                    "ET Redux Announcement",
+                    JOptionPane.INFORMATION_MESSAGE);
+            }
+
+        } catch (Exception exception) {
+        }
+
         // get redux persistent state file
         myState = ReduxPersistentState.getExistingPersistentState();
 

src/main/java/org/earthtime/utilities/VersionChecker.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 CIRDLES.
+ *
+ * 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.earthtime.utilities;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Base64;
+import org.earthtime.ETRedux;
+
+/**
+ *
+ * @author bowring
+ */
+public class VersionChecker {
+
+    public static boolean checkIfCurrentVersion(String runningVersion) throws Exception {
+
+        boolean retVal = true;
+        java.net.URL url = null;
+        String file = "";
+        try {
+            url = new java.net.URL("https://raw.githubusercontent.com/CIRDLES/ET_Redux/master/.currentVersion.txt");
+            java.net.URLConnection uc;
+            uc = url.openConnection();
+
+            uc.setRequestProperty("X-Requested-With", "Curl");
+            java.util.ArrayList<String> list = new java.util.ArrayList<>();
+
+            BufferedReader reader = new BufferedReader(new InputStreamReader(uc.getInputStream()));
+            String line = reader.readLine();
+            retVal = line.trim().compareToIgnoreCase(runningVersion) == 0;
+
+
+        } catch (IOException e) {
+            System.out.println("Could not read .currentVersion.txt");
+        }
+
+        return retVal;
+    }
+}