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changeset 175:bdbd4740121f

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finish web server git-svn-id: https://luan-java.googlecode.com/svn/trunk@176 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 23 Jun 2014 07:48:17 +0000
parents 609c5b3118db
children 88ad4fc4c643
files core/src/luan/impl/LuanParser.java core/src/luan/modules/PackageLuan.java web/src/luan/modules/web/HttpLuan.java web/src/luan/modules/web/LuanHandler.java web/src/luan/modules/web/Web_server.luan web/src/luan/modules/web/web_run.luan web/src/luan/modules/web/web_shell.luan
diffstat 7 files changed, 86 insertions(+), 13 deletions(-) [+]
line wrap: on
line diff
--- a/core/src/luan/impl/LuanParser.java	Mon Jun 23 02:57:50 2014 +0000
+++ b/core/src/luan/impl/LuanParser.java	Mon Jun 23 07:48:17 2014 +0000
@@ -349,7 +349,10 @@
 		String modName = StringLiteral(In.NOTHING);
 		if( modName==null )
 			return parser.failure(null);
-		String varName = modName.substring(modName.lastIndexOf('.')+1);
+		int i = modName.lastIndexOf('/');
+		if( i == -1 )
+			i = modName.lastIndexOf('.');
+		String varName = modName.substring(i+1);
 		LuanSource.Element se = se(start);
 		FnCall require = new FnCall( se, importExpr, new ConstExpr(modName) );
 		Settable settable;
--- a/core/src/luan/modules/PackageLuan.java	Mon Jun 23 02:57:50 2014 +0000
+++ b/core/src/luan/modules/PackageLuan.java	Mon Jun 23 07:48:17 2014 +0000
@@ -26,6 +26,7 @@
 			module.put("jpath",jpath);
 			try {
 				add( module, "require", LuanState.class, String.class );
+				add( module, "load", LuanState.class, String.class );
 				add( module, "load_lib", String.class );
 				add( module, "search_path", String.class, String.class );
 				add( module, "search", LuanState.class, String.class );
@@ -46,12 +47,19 @@
 	}
 
 	public static Object require(LuanState luan,String modName) throws LuanException {
+		Object mod = load(luan,modName);
+		if( mod==null )
+			throw luan.exception( "module '"+modName+"' not found" );
+		return mod;
+	}
+
+	public static Object load(LuanState luan,String modName) throws LuanException {
 		LuanTable loaded = luan.loaded();
 		Object mod = loaded.get(modName);
 		if( mod == null ) {
 			Object[] a = search(luan,modName);
 			if( a == null )
-				throw luan.exception( "module '"+modName+"' not found" );
+				return null;
 			LuanFunction loader = (LuanFunction)a[0];
 			a[0] = modName;
 			mod = Luan.first(luan.call(loader,"<require \""+modName+"\">",a));
@@ -59,8 +67,10 @@
 				loaded.put(modName,mod);
 			} else {
 				mod = loaded.get(modName);
-				if( mod==null )
-					loaded.put(modName,true);
+				if( mod==null ) {
+					mod = true;
+					loaded.put(modName,mod);
+				}
 			}
 		}
 		return mod;
@@ -91,7 +101,6 @@
 	};
 
 	public static String search_path(String name,String path) {
-		name = name.replace('.','/');
 		for( String s : path.split(";") ) {
 			String file = s.replaceAll("\\?",name);
 			if( Utils.exists(file) )
@@ -139,6 +148,7 @@
 	public static final LuanFunction javaSearcher = new LuanFunction() {
 		@Override public Object[] call(LuanState luan,Object[] args) {
 			String modName = (String)args[0];
+			modName = modName.replace('/','.');
 			String path = (String)luan.get("Package.jpath");
 			if( path==null )
 				path = jpath;
--- a/web/src/luan/modules/web/HttpLuan.java	Mon Jun 23 02:57:50 2014 +0000
+++ b/web/src/luan/modules/web/HttpLuan.java	Mon Jun 23 07:48:17 2014 +0000
@@ -28,16 +28,32 @@
 
 	public static final LuanFunction LOADER = new LuanFunction() {
 		@Override public Object call(LuanState luan,Object[] args) {
-			return new LuanTable();  // starts empty
+			LuanTable module = new LuanTable();
+			try {
+				addStatic( module, "new_luan_handler", LuanState.class );
+			} catch(NoSuchMethodException e) {
+				throw new RuntimeException(e);
+			}
+			return module;
 		}
 	};
 
-	public static void service(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName)
+	private static void addStatic(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
+		t.put( method, new LuanJavaFunction(HttpLuan.class.getMethod(method,parameterTypes),null) );
+	}
+
+	public static LuanHandler new_luan_handler(LuanState luan) {
+		return new LuanHandler(luan);
+	}
+
+	public static boolean service(LuanState luan,HttpServletRequest request,HttpServletResponse response,String modName)
 		throws LuanException
 	{
 		LuanFunction fn;
 		synchronized(luan) {
-			Object mod = PackageLuan.require(luan,modName);
+			Object mod = PackageLuan.load(luan,modName);
+			if( mod==null )
+				return false;
 			if( !(mod instanceof LuanTable) )
 				throw luan.exception( "module '"+modName+"' must return a table" );
 			LuanTable tbl = (LuanTable)mod;
@@ -63,9 +79,9 @@
 			}
 		}
 
-		LuanTable module = (LuanTable)luan.loaded().get("web.Http");
+		LuanTable module = (LuanTable)luan.loaded().get("web/Http");
 		if( module == null )
-			throw luan.exception( "module 'web.Http' not defined" );
+			throw luan.exception( "module 'web/Http' not defined" );
 		HttpLuan lib = new HttpLuan(request,response);
 		try {
 			module.put( "request", lib.requestTable() );
@@ -80,6 +96,7 @@
 		}
 
 		luan.call(fn,"<http>");
+		return true;
 	}
 
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/src/luan/modules/web/LuanHandler.java	Mon Jun 23 07:48:17 2014 +0000
@@ -0,0 +1,35 @@
+package luan.modules.web;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.server.handler.AbstractHandler;
+import luan.LuanState;
+import luan.LuanException;
+
+
+public class LuanHandler extends AbstractHandler {
+	private final LuanState luan;
+
+	LuanHandler(LuanState luan) {
+		this.luan = luan;
+	}
+
+	public void handle(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response) 
+		throws IOException
+	{
+		try {
+			if( !HttpLuan.service(luan,request,response,target) )
+				return;
+			response.setStatus(HttpServletResponse.SC_OK);
+			baseRequest.setHandled(true);
+		} catch(LuanException e) {
+//e.printStackTrace();
+			response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,e.toString());
+			baseRequest.setHandled(true);
+		}
+	}
+}
--- a/web/src/luan/modules/web/Web_server.luan	Mon Jun 23 02:57:50 2014 +0000
+++ b/web/src/luan/modules/web/Web_server.luan	Mon Jun 23 07:48:17 2014 +0000
@@ -4,6 +4,8 @@
 import "org.eclipse.jetty.server.handler.DefaultHandler"
 import "org.eclipse.jetty.server.handler.HandlerList"
 import "org.eclipse.jetty.server.handler.ResourceHandler"
+import "org.eclipse.jetty.server.session.SessionHandler"
+import "web/Http"
 
 
 port = 8080
@@ -11,11 +13,17 @@
 
 resource_handler = ResourceHandler.new()
 
+session_handler = SessionHandler.new()
+
+luan_handler = Http.new_luan_handler()
+
 handlers = HandlerList.new()
-handlers.setHandlers { resource_handler, DefaultHandler.new() }
+handlers.setHandlers { resource_handler, session_handler, luan_handler, DefaultHandler.new() }
  
 
 function serve(dir)
+	dir = dir.gsub("/$","")  -- remove trailing '/' if any
+	Package.path = dir.."?.luan;java:luan/modules/?.luan"
 	resource_handler.setResourceBase(dir)
 	local server = Server.new(port)
 	server.setHandler(handlers);
--- a/web/src/luan/modules/web/web_run.luan	Mon Jun 23 02:57:50 2014 +0000
+++ b/web/src/luan/modules/web/web_run.luan	Mon Jun 23 07:48:17 2014 +0000
@@ -1,4 +1,4 @@
-import "web.Http"
+import "web/Http"
 
 local function lines(s)
 	local matcher = String.gmatch(s,"([^\n]*)\n|([^\n])+$")
--- a/web/src/luan/modules/web/web_shell.luan	Mon Jun 23 02:57:50 2014 +0000
+++ b/web/src/luan/modules/web/web_shell.luan	Mon Jun 23 07:48:17 2014 +0000
@@ -1,4 +1,4 @@
-import "web.Http"
+import "web/Http"
 
 per_session = true