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/*******************************************************************************
* Copyright (c) 2016 AT&T Intellectual Property. All rights reserved.
*******************************************************************************/
package com.att.authz.gui;
import java.util.Enumeration;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.att.authz.env.AuthzTrans;
import com.att.cssa.rserv.HttpCode;
import com.att.cssa.rserv.HttpMethods;
import org.onap.aaf.inno.env.Slot;
public class Display {
private final Page get;
public Display(final AuthGUI gui, final HttpMethods meth, final Page page) {
get = page;
final String[] fields = page.fields();
final Slot slots[] = new Slot[fields.length];
String prefix = page.name() + '.';
for(int i=0;i<slots.length;++i) {
slots[i] = gui.env.slot(prefix + fields[i]);
}
/*
* We handle all the "Form POST" calls here with a naming convention that allows us to create arrays from strings.
*
* On the HTTP side, elements concatenate their name with their Index number (if multiple). In this code,
* we turn such names into arrays with same index number. Then, we place them in the Transaction "Properties" so that
* it can be transferred to subclasses easily.
*/
if(meth.equals(HttpMethods.POST)) {
// Here, we'll expect FORM URL Encoded Data, which we need to get from the body
gui.route(gui.env, meth, page.url(),
new HttpCode<AuthzTrans,AuthGUI>(gui,page.name()) {
@Override
public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
trans.put(gui.slot_httpServletRequest, req);
for(int i=0; i<fields.length;++i) {
int idx = fields[i].indexOf("[]");
if(idx<0) { // single value
trans.put(slots[i], req.getParameter(fields[i])); // assume first value
} else { // multi value
String field=fields[i].substring(0, idx);
String[] array = new String[30];
for(Enumeration<String> names = req.getParameterNames(); names.hasMoreElements();) {
String key = names.nextElement();
if(key.subSequence(0, idx).equals(field)) {
try {
int x = Integer.parseInt(key.substring(field.length()));
if(x>=array.length) {
String[] temp = new String[x+10];
System.arraycopy(temp, 0, temp, 0, array.length);
array = temp;
}
array[x]=req.getParameter(key);
} catch (NumberFormatException e) {
trans.debug().log(e);
}
}
}
trans.put(slots[i], array);
}
}
page.replay(context,trans,resp.getOutputStream(),"general");
}
}, "application/x-www-form-urlencoded","*/*");
} else {
// Transfer whether Page shouldn't be cached to local Final var.
final boolean no_cache = page.no_cache;
gui.route(gui.env, meth, page.url(),
new HttpCode<AuthzTrans,AuthGUI>(gui,page.name()) {
@Override
public void handle(AuthzTrans trans, HttpServletRequest req, HttpServletResponse resp) throws Exception {
trans.put(gui.slot_httpServletRequest, req);
for(int i=0; i<slots.length;++i) {
int idx = fields[i].indexOf("[]");
if(idx<0) { // single value
trans.put(slots[i], req.getParameter(fields[i]));
} else { // multi value
String[] array = new String[30];
String field=fields[i].substring(0, idx);
for(Enumeration<String> mm = req.getParameterNames();mm.hasMoreElements();) {
String key = mm.nextElement();
if(key.startsWith(field)) {
try {
int x = Integer.parseInt(key.substring(field.length()));
if(x>=array.length) {
String[] temp = new String[x+10];
System.arraycopy(temp, 0, temp, 0, array.length);
array = temp;
}
array[x]=req.getParameter(key);
} catch (NumberFormatException e) {
trans.debug().log(e);
}
}
}
trans.put(slots[i], array);
}
}
page.replay(context,trans,resp.getOutputStream(),"general");
}
@Override
public boolean no_cache() {
return no_cache;
}
}, "text/html","*/*");
}
}
public Page page() {
return get;
}
}
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