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ContextLoader and FrameworkServlet support "contextId" parameter for custom serialization id

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This commit is contained in:
Juergen Hoeller
2011-07-03 22:38:11 +00:00
parent 01eab03dca
commit 10d9860457
2 changed files with 58 additions and 27 deletions
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53
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/FrameworkServlet.java
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@@ -33,6 +33,7 @@ import org.springframework.context.event.SourceFilteringListener;
import org.springframework.context.i18n.LocaleContext;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.context.i18n.SimpleLocaleContext;
import org.springframework.util.ObjectUtils;
import org.springframework.web.context.ConfigurableWebApplicationContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.request.RequestAttributes;
@@ -121,6 +122,9 @@ public abstract class FrameworkServlet extends HttpServletBean {
/** WebApplicationContext implementation class to create */
private Class contextClass = DEFAULT_CONTEXT_CLASS;
/** WebApplicationContext id to assign */
private String contextId;
/** Namespace for this servlet */
private String namespace;
@@ -185,6 +189,21 @@ public abstract class FrameworkServlet extends HttpServletBean {
return this.contextClass;
}
/**
* Specify a custom WebApplicationContext id,
* to be used as serialization id for the underlying BeanFactory.
*/
public void setContextId(String contextId) {
this.contextId = contextId;
}
/**
* Return the custom WebApplicationContext id, if any.
*/
public String getContextId() {
return this.contextId;
}
/**
* Set a custom namespace for this servlet,
* to be used for building a default context config location.
@@ -413,22 +432,28 @@ public abstract class FrameworkServlet extends HttpServletBean {
(ConfigurableWebApplicationContext) BeanUtils.instantiateClass(contextClass);
// Assign the best possible id value.
ServletContext sc = getServletContext();
if (sc.getMajorVersion() == 2 && sc.getMinorVersion() < 5) {
// Servlet <= 2.4: resort to name specified in web.xml, if any.
String servletContextName = sc.getServletContextName();
if (servletContextName != null) {
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX + servletContextName +
"." + getServletName());
}
else {
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX + getServletName());
}
if (this.contextId != null) {
wac.setId(this.contextId);
}
else {
// Servlet 2.5's getContextPath available!
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX + sc.getContextPath() +
"/" + getServletName());
// Generate default id...
ServletContext sc = getServletContext();
if (sc.getMajorVersion() == 2 && sc.getMinorVersion() < 5) {
// Servlet <= 2.4: resort to name specified in web.xml, if any.
String servletContextName = sc.getServletContextName();
if (servletContextName != null) {
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX + servletContextName +
"." + getServletName());
}
else {
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX + getServletName());
}
}
else {
// Servlet 2.5's getContextPath available!
wac.setId(ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX +
ObjectUtils.getDisplayString(sc.getContextPath()) + "/" + getServletName());
}
}
wac.setParent(parent);