1 files changed, 62 insertions, 0 deletions
diff --git a/src/main/java/org/gentoo/java/ebuilder/maven/MavenLicenses.java b/src/main/java/org/gentoo/java/ebuilder/maven/MavenLicenses.java
new file mode 100644
index 0000000..e2db62c
--- /dev/null
+++ b/src/main/java/org/gentoo/java/ebuilder/maven/MavenLicenses.java
@@ -0,0 +1,62 @@
+package org.gentoo.java.ebuilder.maven;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * translate licenses from pom.xml to portage
+ *
+ * @author Zhang Zongyu
+ */
+public class MavenLicenses {
+
+        /**
+         * Location of the resource file mapping licenses.
+         */
+        private static final String licenseMapFile
+                = "/licenseMap.properties";
+
+        /**
+         * the Map that will convert license from maven
+         * to portage.
+         */
+        private Map<String, String> licenseMap;
+
+        /**
+         * Load cache from resource
+         */
+        @SuppressWarnings({"unchecked", "rawtypes"})
+        MavenLicenses() {
+            Properties mapProperty = new Properties();
+            try {
+                mapProperty.load(
+                        this.getClass().getResourceAsStream(
+                        licenseMapFile));
+            } catch (final IOException ex) {
+                throw new RuntimeException(
+                        "Failed to read license map from resource", ex);
+            }
+
+            licenseMap = (Map)mapProperty;
+        }
+
+        /**
+         * query the LicenseMap
+         *
+         * @param licenseName the licenses/license/name in pom.xml
+         *
+         * @return license identifier that works with Portage
+         */
+        public String getEquivalentLicense(String licenseName) {
+            final String portageLicense = licenseMap.get(licenseName);
+
+            if (portageLicense == null) {
+                return "!!!equivalentPortageLicenseName-not-found!!!";
+            } else {
+                return portageLicense;
+            }
+        }
+}