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/**
 * Copyright 2018 Mike Hummel
 *
 * Licensed 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 de.mhus.lib.portlet.actions;

import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Set;

import javax.portlet.ActionRequest;

import de.mhus.lib.core.AbstractProperties;
import de.mhus.lib.errors.NotSupportedException;

/**
 * ActionProperties class.
 *
 * @author mikehummel
 * @version $Id: $Id
 */
public class ActionProperties extends AbstractProperties {

	private static final long serialVersionUID = 1L;
	ActionRequest request = null;
	
	/**
	 * Constructor for ActionProperties.
	 *
	 * @param request a {@link javax.portlet.ActionRequest} object.
	 */
	public ActionProperties(ActionRequest request) {
		this.request = request;
	}

	/** {@inheritDoc} */
	@Override
	public Object getProperty(String name) {
		return request.getParameter(name);
	}

	/** {@inheritDoc} */
	@Override
	public boolean isProperty(String name) {
		return request.getParameter(name) != null;
	}

	/** {@inheritDoc} */
	@Override
	public void removeProperty(String key) {
	}

	/** {@inheritDoc} */
	@Override
	public void setProperty(String key, Object value) {
	}

	/** {@inheritDoc} */
	@Override
	public boolean isEditable() {
		return false;
	}

	/** {@inheritDoc} */
	@Override
	public Set keys() {
		return new HashSet(Collections.list(request.getParameterNames()));
	}

	/** {@inheritDoc} */
	@Override
	public int size() {
		int cnt = 0;
		Enumeration en = request.getParameterNames();
		while (en.hasMoreElements()) {
			en.nextElement();
			cnt++;
		}
		return cnt;
	}

	/** {@inheritDoc} */
	@Override
	public boolean containsValue(Object value) {
		throw new NotSupportedException();
	}

	/** {@inheritDoc} */
	@Override
	public Collection