1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/java/com/jogamp/gluegen/jcpp/BuildMetadata.java b/src/main/java/com/jogamp/gluegen/jcpp/BuildMetadata.java
new file mode 100644
index 0000000..f22d853
--- /dev/null
+++ b/src/main/java/com/jogamp/gluegen/jcpp/BuildMetadata.java
@@ -0,0 +1,72 @@
+package com.jogamp.gluegen.jcpp;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+import javax.annotation.Nonnull;
+
+/**
+ * Returns information about the build.
+ *
+ * @author shevek
+ */
+public class BuildMetadata {
+
+    public static final String RESOURCE = "/META-INF/jcpp.properties";
+    private static BuildMetadata INSTANCE;
+
+    /** @throws RuntimeException if the properties file cannot be found on the classpath. */
+    @Nonnull
+    public static synchronized BuildMetadata getInstance() {
+        try {
+            if (INSTANCE == null)
+                INSTANCE = new BuildMetadata();
+            return INSTANCE;
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private final Properties properties = new Properties();
+
+    private BuildMetadata() throws IOException {
+        URL url = BuildMetadata.class.getResource(RESOURCE);
+        InputStream in = url.openStream();
+        try {
+            properties.load(in);
+        } finally {
+            in.close();
+        }
+    }
+
+    @Nonnull
+    public Map<? extends String, ? extends String> asMap() {
+        Map<String, String> out = new HashMap<String, String>();
+        for (Map.Entry<Object, Object> e : properties.entrySet())
+            out.put(String.valueOf(e.getKey()), String.valueOf(e.getValue()));
+        return out;
+    }
+
+    @Nonnull
+    public com.github.zafarkhaja.semver.Version getVersion() {
+        return com.github.zafarkhaja.semver.Version.valueOf(properties.getProperty("Implementation-Version"));
+    }
+
+    @Nonnull
+    public Date getBuildDate() throws ParseException {
+        // Build-Date=2015-01-01_10:09:09
+        String text = properties.getProperty("Build-Date");
+        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd_HH:mm:ss");
+        return format.parse(text);
+    }
+
+    public String getChangeId() {
+        return properties.getProperty("Change");
+    }
+}