com.sun.faces.context.StringArrayValuesMap Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.context;
import java.util.Arrays;
import java.util.Map;
import java.util.Set;
/**
*
* This is the base Map for those Maps that need to return String[] values.
*
*/
abstract class StringArrayValuesMap extends BaseContextMap {
// -------------------------------------------------------- Methods from Map
@Override
public boolean containsValue(Object value) {
if (value == null || !value.getClass().isArray()) {
return false;
}
Set> entrySet = entrySet();
for (Map.Entry entry : entrySet) {
// values will be arrays
if (Arrays.equals((Object[]) value, entry.getValue())) {
return true;
}
}
return false;
}
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj.getClass() == ExternalContextImpl.theUnmodifiableMapClass)) {
return false;
}
Map objMap = (Map) obj;
if (size() != objMap.size()) {
return false;
}
String[] thisKeys = keySet().toArray(new String[size()]);
Object[] objKeys = objMap.keySet().toArray();
Arrays.sort(thisKeys);
Arrays.sort(objKeys);
if (!Arrays.equals(thisKeys, objKeys)) {
return false;
} else {
for (Object key : thisKeys) {
Object[] thisVal = get(key);
Object[] objVal = (Object[]) objMap.get(key);
if (!Arrays.equals(thisVal, objVal)) {
return false;
}
}
}
return true;
}
@Override
public int hashCode() {
return this.hashCode(this);
}
// ------------------------------------------------------- Protected Methods
protected int hashCode(Object someObject) {
int hashCode = 7 * someObject.hashCode();
for (Map.Entry entry : entrySet()) {
hashCode += entry.getKey().hashCode();
hashCode += Arrays.hashCode(entry.getValue());
}
return hashCode;
}
}