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1 package com.opensymphony.webwork.components.template;
2
3 import com.opensymphony.webwork.ServletActionContext;
4 import com.opensymphony.webwork.components.Include;
5 import com.opensymphony.webwork.components.UIBean;
6 import com.opensymphony.xwork.util.OgnlValueStack;
7 import org.apache.commons.logging.Log;
8 import org.apache.commons.logging.LogFactory;
9
10 import javax.servlet.http.HttpServletResponse  ;
11 import javax.servlet.jsp.PageContext ;
12 import java.util.Iterator ;
13 import java.util.List ;
14
15
21 public class JspTemplateEngine extends BaseTemplateEngine {
22 private static final Log LOG = LogFactory.getLog(JspTemplateEngine.class);
23
24 public void renderTemplate(TemplateRenderingContext templateContext) throws Exception {
25 Template template = templateContext.getTemplate();
26
27 if (LOG.isDebugEnabled()) {
28 LOG.debug("Trying to render template " + template + ", repeating through parents until we succeed");
29 }
30 UIBean tag = templateContext.getTag();
31 OgnlValueStack stack = templateContext.getStack();
32 stack.push(tag);
33 PageContext pageContext = (PageContext ) stack.getContext().get(ServletActionContext.PAGE_CONTEXT);
34 List templates = template.getPossibleTemplates(this);
35 Exception exception = null;
36 boolean success = false;
37 for (Iterator iterator = templates.iterator(); iterator.hasNext();) {
38 Template t = (Template) iterator.next();
39 try {
40 Include.include(getFinalTemplateName(t), pageContext.getOut(),
41 pageContext.getRequest(), (HttpServletResponse ) pageContext.getResponse());
42 success = true;
43 break;
44 } catch (Exception e) {
45 if (exception == null) {
46 exception = e;
47 }
48 }
49 }
50
51 if (!success) {
52 LOG.error("Could not render JSP template " + templateContext.getTemplate());
53
54 if (exception != null) {
55 throw exception;
56 } else {
57 return;
58 }
59 }
60
61 stack.pop();
62 }
63
64 protected String getSuffix() {
65 return "jsp";
66 }
67 }
68 |
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