X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;ds=sidebyside;f=runtime%2Forg.argeo.slc.server%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fweb%2Fmvc%2FAbstractServiceController.java;fp=runtime%2Forg.argeo.slc.server%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fslc%2Fweb%2Fmvc%2FAbstractServiceController.java;h=3b10f0b22c5dbe1b1952e2eb4a8609eac45068f7;hb=71412758e17f020094abef5dc2569c3e6386309e;hp=0000000000000000000000000000000000000000;hpb=2086a63ded097d7a0525aeeb441e6a1dad05cba6;p=gpl%2Fargeo-slc.git

diff --git a/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/AbstractServiceController.java b/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/AbstractServiceController.java
new file mode 100644
index 000000000..3b10f0b22
--- /dev/null
+++ b/runtime/org.argeo.slc.server/src/main/java/org/argeo/slc/web/mvc/AbstractServiceController.java
@@ -0,0 +1,59 @@
+package org.argeo.slc.web.mvc;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.argeo.slc.msg.ExecutionAnswer;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.AbstractController;
+
+public abstract class AbstractServiceController extends AbstractController {
+	public final static String KEY_ANSWER = "__answer";
+
+	private String viewName = null;
+
+	@Override
+	protected final ModelAndView handleRequestInternal(
+			HttpServletRequest request, HttpServletResponse response)
+			throws Exception {
+		ModelAndView mv = new ModelAndView();
+		mv.setViewName(getViewName());
+		try {
+			handleServiceRequest(request, response, mv);
+		} catch (Exception e) {
+			StringWriter writer = new StringWriter();
+			e.printStackTrace(new PrintWriter(writer));
+			ExecutionAnswer answer = ExecutionAnswer.error(writer.toString());
+			ModelAndView errorMv = new ModelAndView();
+			errorMv.addObject(KEY_ANSWER, answer);
+			errorMv.setViewName(KEY_ANSWER);
+			return errorMv;
+		}
+
+		if (mv.getModel().size() == 0) {
+			mv.addObject(KEY_ANSWER, ExecutionAnswer
+					.ok("Execution completed properly"));
+		}
+
+		if (mv.getViewName() == null && mv.getModel().size() == 1)
+			mv.setViewName(mv.getModel().keySet().iterator().next().toString());
+
+		return mv;
+	}
+
+	protected abstract void handleServiceRequest(HttpServletRequest request,
+			HttpServletResponse response, ModelAndView modelAndView)
+			throws Exception;
+
+	public void setViewName(String viewName) {
+		this.viewName = viewName;
+	}
+
+	public String getViewName() {
+		return viewName;
+	}
+
+}