Added docs management

src/main/java/org/gcube/gcat/rest/Docs.java

@@ -0,0 +1,48 @@
+package org.gcube.gcat.rest;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.InternalServerErrorException;
+import javax.ws.rs.Path;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Context;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * @author Francesco Mangiacrapa (ISTI-CNR)
+ * @author Luca Frosini (ISTI-CNR)
+ */
+@Path("docs")
+public class Docs {
+
+	private static Logger logger = LoggerFactory.getLogger(Docs.class);
+
+	@GET
+	@Path("/{any: .*}")
+	public InputStream toDoc(@Context HttpServletRequest req) throws WebApplicationException {
+		
+		String pathInfo = req.getPathInfo();
+		try {
+
+			if (pathInfo.endsWith("/docs/")) {
+				pathInfo += "index.html";
+			}
+
+			logger.info("redirecting to {}", pathInfo);
+
+			String realPath = req.getServletContext().getRealPath(pathInfo);
+			return new FileInputStream(new File(realPath));
+
+		} catch (Exception e) {
+			throw new InternalServerErrorException(e);
+		}
+	}
+
+}
+