org.apache.tiles.request.collection.AddableParameterMap Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tiles.request.collection;
import org.apache.tiles.request.attribute.HasAddableKeys;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
/**
* Exposes an {@link HasAddableKeys} object as a put/get (no remove) map.
*/
public class AddableParameterMap extends ReadOnlyEnumerationMap {
/**
* The request.
*/
private final HasAddableKeys request;
/**
* Constructor.
*
* @param request The request object to use.
*/
public AddableParameterMap(HasAddableKeys request) {
super(request);
this.request = request;
}
/**
* {@inheritDoc}
*/
public Set> entrySet() {
return new AddableParameterEntrySet();
}
/**
* {@inheritDoc}
*/
public String put(String key, String value) {
String oldValue = request.getValue(key);
request.setValue(key, value);
return oldValue;
}
/**
* {@inheritDoc}
*/
public void putAll(Map map) {
for (Entry entry : map
.entrySet()) {
request.setValue(entry.getKey(), entry.getValue());
}
}
/**
* Entry set implementation for {@link AddableParameterMap}.
*/
private class AddableParameterEntrySet extends ReadOnlyEnumerationMap.ReadOnlyEnumerationMapEntrySet {
@Override
public boolean add(Entry e) {
request.setValue(e.getKey(), e.getValue());
return true;
}
@Override
public boolean addAll(
Collection> c) {
for (Entry entry : c) {
request.setValue(entry.getKey(), entry.getValue());
}
return true;
}
}
}