LineIterable based on BufferedReader

src/ch/kousz/adrian/util/LineIterable.java

@@ -0,0 +1,63 @@
+package ch.kousz.adrian.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+
+public class LineIterable
+implements Iterable<String>
+{
+	private final BufferedReader rdr;
+
+	public LineIterable(BufferedReader rdr)
+	{
+		this.rdr = rdr;
+	}
+
+	@Override
+	public java.util.Iterator<String> iterator()
+	{
+		return new LineIterable.Iterator(this);
+	}
+
+	private static class Iterator
+	implements java.util.Iterator<String>
+	{
+		private final BufferedReader rdr;
+		private String next;
+
+		public Iterator(LineIterable gen)
+		{
+			this.rdr = gen.rdr;
+			readNext();
+		}
+
+		@Override
+		public boolean hasNext()
+		{
+			return next != null;
+		}
+
+		@Override
+		public String next()
+		{
+			String result = next;
+			readNext();
+			return result;
+		}
+
+		@Override
+		public void remove()
+		{
+			throw new UnsupportedOperationException();
+		}
+
+		private void readNext()
+		{
+			try {
+				next = rdr.readLine();
+			} catch (IOException ex) {
+				throw Throwables.sneakyThrow(ex);
+			}
+		}
+	}
+}