1 files changed, 71 insertions, 0 deletions
diff --git a/src/main/java/bjc/inflexion/Prepositions.java b/src/main/java/bjc/inflexion/Prepositions.java
new file mode 100644
index 0000000..18767d0
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+++ b/src/main/java/bjc/inflexion/Prepositions.java
@@ -0,0 +1,71 @@
+/**
+ * (C) Copyright 2017 Benjamin Culkin.
+ *
+ * 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 bjc.inflexion;
+
+import java.io.InputStream;
+import java.util.HashSet;
+import java.util.Scanner;
+import java.util.Set;
+
+/**
+ * List of prepositions.
+ * 
+ * @author EVE
+ *
+ */
+public class Prepositions {
+	private Set<String> prepositions;
+
+	/**
+	 * Create an empty preposition DB.
+	 */
+	public Prepositions() {
+		prepositions = new HashSet<>();
+	}
+
+	/**
+	 * Check if a word is a preposition.
+	 * 
+	 * @param word
+	 *                The word as a preposition.
+	 * 
+	 * @return Whether or not the word is a preposition.
+	 */
+	public boolean isPreposition(String word) {
+		return prepositions.contains(word);
+	}
+
+	/**
+	 * Load the contents of the stream into this DB.
+	 * 
+	 * @param stream
+	 *                The stream to load from.
+	 */
+	public void loadFromStream(InputStream stream) {
+		try(Scanner scn = new Scanner(stream)) {
+			while(scn.hasNextLine()) {
+				String ln = scn.nextLine().trim();
+
+				/*
+				 * Ignore comments
+				 */
+				if(ln.startsWith("#")) continue;
+
+				prepositions.add(ln);
+			}
+		}
+	}
+}
+\ No newline at end of file