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package org.apache.taglibs.standard.tag.common.fmt;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.jstl.core.Config;
import javax.servlet.jsp.jstl.fmt.LocalizationContext;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.taglibs.standard.tag.common.core.Util;
/**
* Support for tag handlers for <setBundle>, the JSTL 1.0 tag that loads
* a resource bundle and stores it in a scoped variable.
*
* @author Jan Luehe
*/
public abstract class SetBundleSupport extends TagSupport {
//*********************************************************************
// Protected state
protected String basename; // 'basename' attribute
//*********************************************************************
// Private state
private int scope; // 'scope' attribute
private String var; // 'var' attribute
//*********************************************************************
// Constructor and initialization
public SetBundleSupport() {
super();
init();
}
private void init() {
basename = null;
scope = PageContext.PAGE_SCOPE;
}
//*********************************************************************
// Tag attributes known at translation time
public void setVar(String var) {
this.var = var;
}
public void setScope(String scope) {
this.scope = Util.getScope(scope);
}
//*********************************************************************
// Tag logic
public int doEndTag() throws JspException {
LocalizationContext locCtxt =
BundleSupport.getLocalizationContext(pageContext, basename);
if (var != null) {
pageContext.setAttribute(var, locCtxt, scope);
} else {
Config.set(pageContext, Config.FMT_LOCALIZATION_CONTEXT, locCtxt,
scope);
}
return EVAL_PAGE;
}
// Releases any resources we may have (or inherit)
public void release() {
init();
}
}