ExternalImplicitObjectELResolver.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.el.ELContext
* javax.el.ELResolver
* javax.el.PropertyNotWritableException
* javax.servlet.jsp.el.ImplicitObjectELResolver
*/
package com.adobe.granite.ui.components.impl;
import java.beans.FeatureDescriptor;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.el.ELContext;
import javax.el.ELResolver;
import javax.el.PropertyNotWritableException;
import javax.servlet.jsp.el.ImplicitObjectELResolver;
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
public class ExternalImplicitObjectELResolver
extends ELResolver {
private ImplicitObjectELResolver delegate = new ImplicitObjectELResolver();
private static final String[] PROPERTY_NAMES = new String[]{"param", "paramValues", "header", "headerValues", "cookie"};
private static final List<String> HEADER_BLACKLIST = Arrays.asList("authorization", "cookie", "proxy-authorization", "host", "x-forwarded-for", "x-forwarded-host");
private static final List<String> COOKIE_BLACKLIST = Arrays.asList("csrftoken", "login-token");
private static boolean isValid(Object base, Object property) {
if (base != null) {
return false;
}
for (String name : PROPERTY_NAMES) {
if (!name.equals(property)) continue;
return true;
}
return false;
}
public Object getValue(ELContext context, Object base, Object property) {
if (!ExternalImplicitObjectELResolver.isValid(base, property)) {
return null;
}
List<String> blacklist = null;
if ("header".equals(property) || "headerValues".equals(property)) {
blacklist = HEADER_BLACKLIST;
} else if ("cookie".equals(property)) {
blacklist = COOKIE_BLACKLIST;
}
if (blacklist == null) {
return this.delegate.getValue(context, base, property);
}
return new FilteredMap((Map)this.delegate.getValue(context, base, property), blacklist);
}
public Class<?> getType(ELContext context, Object base, Object property) {
if (ExternalImplicitObjectELResolver.isValid(base, property)) {
context.setPropertyResolved(true);
}
return null;
}
public void setValue(ELContext context, Object base, Object property, Object val) {
if (ExternalImplicitObjectELResolver.isValid(base, property)) {
throw new PropertyNotWritableException();
}
}
public boolean isReadOnly(ELContext context, Object base, Object property) {
if (ExternalImplicitObjectELResolver.isValid(base, property)) {
context.setPropertyResolved(true);
return true;
}
return false;
}
public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base) {
ArrayList<FeatureDescriptor> list = new ArrayList<FeatureDescriptor>(5);
FeatureDescriptor descriptor = new FeatureDescriptor();
descriptor.setName("param");
descriptor.setDisplayName("param");
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setValue("type", Map.class);
descriptor.setValue("resolvableAtDesignTime", Boolean.TRUE);
list.add(descriptor);
descriptor = new FeatureDescriptor();
descriptor.setName("paramValues");
descriptor.setDisplayName("paramValues");
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setValue("type", Map.class);
descriptor.setValue("resolvableAtDesignTime", Boolean.TRUE);
list.add(descriptor);
descriptor = new FeatureDescriptor();
descriptor.setName("header");
descriptor.setDisplayName("header");
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setValue("type", Map.class);
descriptor.setValue("resolvableAtDesignTime", Boolean.TRUE);
list.add(descriptor);
descriptor = new FeatureDescriptor();
descriptor.setName("headerValues");
descriptor.setDisplayName("headerValues");
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setValue("type", Map.class);
descriptor.setValue("resolvableAtDesignTime", Boolean.TRUE);
list.add(descriptor);
descriptor = new FeatureDescriptor();
descriptor.setName("cookie");
descriptor.setDisplayName("cookie");
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setValue("type", Map.class);
descriptor.setValue("resolvableAtDesignTime", Boolean.TRUE);
list.add(descriptor);
return list.iterator();
}
public Class<?> getCommonPropertyType(ELContext context, Object base) {
if (base == null) {
return String.class;
}
return null;
}
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
private class FilteredMap
extends AbstractMap<String, Object> {
private Map<String, Object> map;
private List<String> blacklist;
private Set<Map.Entry<String, Object>> entrySet;
public FilteredMap(Map<String, Object> map, List<String> blacklist) {
this.map = map;
this.blacklist = blacklist;
}
@Override
public Set<Map.Entry<String, Object>> entrySet() {
if (this.entrySet != null) {
return this.entrySet;
}
Set<Map.Entry<String, Object>> original = this.map.entrySet();
this.entrySet = new HashSet<Map.Entry<String, Object>>(original.size());
for (Map.Entry<String, Object> e : original) {
if (this.blacklist.contains(e.getKey().toLowerCase())) continue;
this.entrySet.add(e);
}
return this.entrySet;
}
}
}