package railo.runtime.err;
import java.util.ArrayList;
import railo.runtime.exp.PageException;
/**
* Handle Page Errors
*/
public final class ErrorPagePool {
private ArrayList<ErrorPage> pages=new ArrayList<ErrorPage>();
private boolean hasChanged=false;
/**
* sets the page error
* @param errorPage
*/
public void setErrorPage(ErrorPage errorPage) {
pages.add(errorPage);
hasChanged=true;
}
/**
* returns the error page
* @param pe Page Exception
* @return
*/
public ErrorPage getErrorPage(PageException pe, short type) {
for(int i=pages.size()-1;i>=0;i--) {
ErrorPageImpl ep=(ErrorPageImpl) pages.get(i);
if(ep.getType()==type) {
if(type==ErrorPageImpl.TYPE_EXCEPTION){
if(pe.typeEqual(ep.getTypeAsString()))return ep;
}
else return ep;
}
}
return null;
}
/**
* clear the error page pool
*/
public void clear() {
if(hasChanged) {
pages.clear();
}
hasChanged=false;
}
/**
* remove this error page
* @param type
*/
public void removeErrorPage(PageException pe) {
// exception
ErrorPage ep = getErrorPage(pe,ErrorPageImpl.TYPE_EXCEPTION);
if(ep!=null){
pages.remove(ep);
hasChanged=true;
}
// request
ep = getErrorPage(pe,ErrorPageImpl.TYPE_REQUEST);
if(ep!=null){
pages.remove(ep);
hasChanged=true;
}
// validation
ep = getErrorPage(pe,ErrorPageImpl.TYPE_VALIDATION);
if(ep!=null){
pages.remove(ep);
hasChanged=true;
}
}
}