--- /dev/null
+package org.ibex.xt;
+import org.ibex.js.*;
+import org.ibex.util.*;
+import org.ibex.io.*;
+import java.io.*;
+import java.net.*;
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.thoughtworks.xstream.*;
+import org.prevayler.*;
+import org.prevayler.implementation.snapshot.*;
+
+public class Servlet extends HttpServlet {
+
+ private ServletScope servletscope = null;
+ private String path;
+ private Prevayler prevayler;
+ private JS prevalent;
+ private ServletContext cx = null;
+
+ public void destroy() { try {
+ synchronized(this.getClass()) {
+ Prevayler privatePrevayler = prevayler;
+ if (prevayler == null) return;
+ prevayler = null;
+ Prevalence.destroy(cx, prevayler);
+ }
+ } catch (Exception e) { e.printStackTrace(); } }
+
+ public void init(ServletConfig sc) throws ServletException {
+ cx = sc.getServletContext();
+ prevayler = Prevalence.getPrevayler(cx);
+ }
+
+ public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { doGet(request, response); }
+ public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+ servletscope = new ServletScope(request, response, cx);
+ path = cx.getRealPath(((HttpServletRequest)request).getServletPath());
+ Reader xmlreader = new InputStreamReader(new FileInputStream(path));
+ new Template(servletscope, new JSScope(servletscope), xmlreader).wrap(null).toXML(response.getWriter());
+ }
+
+ public class ServletScope extends JSScope {
+ HttpServletRequest request;
+ HttpServletResponse response;
+ ServletContext cx;
+ public String getRealPath(String s) { return cx.getRealPath(s); }
+ public ServletScope(ServletRequest request, ServletResponse response, ServletContext cx) {
+ super(null);
+ this.request = (HttpServletRequest)request;
+ this.response = (HttpServletResponse)response;
+ this.cx = cx;
+ }
+ private JS params = new JS() {
+ public Object get(Object key) { return request.getParameter(JS.toString(key)); }
+ public Enumeration keys() { return request.getParameterNames(); }
+ };
+ private JS cookies = new JS() {
+ /*
+ public Object get(Object key) { return request.getCookie(JS.toString(key)); }
+ public Enumeration keys() { return request.getCookieNames(); }
+ */
+ };
+ private JS sessionAttributes = new JS() {
+ public Object get(Object key) { return request.getSession(true).getAttribute(JS.toString(key)); }
+ public void put(Object key, Object val) {
+ if (val == null) request.getSession(true).removeAttribute(JS.toString(key));
+ else request.setAttribute(JS.toString(key), val); }
+ public Enumeration keys() { return request.getSession(true).getAttributeNames(); }
+ };
+ private JS requestHeader = new JS() {
+ public Object get(Object key) { return request.getHeader(JS.toString(key)); }
+ public Enumeration keys() { return request.getHeaderNames(); }
+ };
+ private JS responseHeader = new JS() {
+ public void put(Object key, Object val) { response.setHeader(JS.toString(key), JS.toString(val)); }
+ };
+
+
+ /** lets us put multi-level get/put/call keys all in the same method */
+ private class Sub extends JS {
+ Object key;
+ Sub(Object key) { this.key = key; }
+ public void put(Object key, Object val) throws JSExn {
+ ServletScope.this.put(JS.toString(this.key) + "." + JS.toString(key), val); }
+ public Object get(Object key) throws JSExn {
+ return ServletScope.this.get(JS.toString(this.key) + "." + JS.toString(key)); }
+ public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
+ return ServletScope.this.callMethod(this.key, a0, a1, a2, rest, nargs);
+ }
+ public Object callMethod(Object method, Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
+ return ServletScope.this.callMethod(JS.toString(this.key) + "."
+ + JS.toString(method), a0, a1, a2, rest, nargs);
+ }
+ }
+ private Sub getSub(String key) { return new Sub(key); }
+
+ public Object callMethod(Object method, final Object a, final Object b, Object c, Object[] rest, int nargs) throws JSExn {
+ //#switch(method)
+ case "prevalent.query":
+ try {
+ return prevayler.execute(new Prevalence.JSQuery(JS.cloneWithNewParentScope((JS)a, null)));
+ } catch (Exception e) {
+ e.printStackTrace();
+ throw new RuntimeException(e); }
+
+ case "session.invalidate": request.getSession(true).invalidate(); return null;
+ case "context.list":
+ String path = JS.toString(a);
+ if (path.indexOf("..") != -1) throw new JSExn("cannot use .. in paths");
+ File f = new File(cx.getRealPath("/") + File.separatorChar + path);
+ if (!f.isDirectory()) return null;
+ String[] contents = f.list();
+ JSArray ret = new JSArray(contents.length);
+ for(int i=0; i<contents.length; i++) ret.addElement(contents[i]);
+ return ret;
+ //#end
+ return null;
+ }
+ public Object get(Object key) throws JSExn {
+ //#switch(key)
+ case "body":
+ case "arg": return null;
+ case "prevalent": return prevalent;
+ case "request": return getSub("request");
+ case "request.user": return request.getRemoteUser();
+ case "request.header": return requestHeader;
+ case "request.method": return request.getMethod();
+ case "request.remote": return getSub("request.remote");
+ case "request.remote.ip": return request.getRemoteAddr();
+ case "request.remote.host": return request.getRemoteHost();
+ case "request.ssl": return request.isSecure();
+ case "request.path": return request.getPathInfo();
+ case "response": return getSub("response");
+ case "response.header": return responseHeader;
+ case "session": return getSub("session");
+ case "session.attr": return sessionAttributes;
+ case "session.created": return new JSDate(request.getSession(true).getCreationTime());
+ case "session.accessed": return new JSDate(request.getSession(true).getLastAccessedTime());
+ case "session.invalidate": return METHOD;
+ case "page": return getSub("page");
+ case "page.lastmodified": return new JSDate(new File(path).lastModified());
+ case "context": return getSub("context");
+ case "context.list": return METHOD;
+ case "params": return params;
+ case "cookie": return cookies;
+ //#end
+ return null;
+ }
+ public void put(Object key, Object val) throws JSExn {
+ try {
+ //#switch(JS.toString(key))
+ case "response.code": response.setStatus(JS.toInt(val));
+ case "response.redirect": response.sendRedirect(JS.toString(val));
+ case "response.contentType": response.setContentType(JS.toString(val));
+ case "prevalent":
+ try { prevayler.execute(new Prevalence.JSTransaction(JS.cloneWithNewParentScope((JS)val, null)));
+ } catch (Exception e) { e.printStackTrace(); throw new RuntimeException(e); }
+ //#end
+ } catch (IOException e) {
+ throw new JSExn(e);
+ }
+ }
+ }
+
+}
projects / org.ibex.xt.git / blobdiff