/**
 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
 *
 * 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 org.jbpm.process.workitem.email;

import java.util.ArrayList;
import java.util.List;

public class Recipients {
	
    private List<Recipient> list = new ArrayList<Recipient>();

    public void setRecipients(List<Recipient> recipients) {
    	for (Recipient recipient: recipients) {
    		addRecipient(recipient);
    	}
    }

    public boolean addRecipient(Recipient recipient) {
        if ( !this.list.contains( recipient ) ) {
            this.list.add( recipient );
            return true;
        }
        return false;
    }

    public boolean removeRecipient(Recipient recipient) {
        return this.list.remove( recipient );
    }

    public List<Recipient> getRecipients() {
        return this.list;
    }

    public Recipient[] toArray() {
        return (Recipient[]) list.toArray( new Recipient[list.size()] );
    }

    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((list == null) ? 0 : list.hashCode());
        return result;
    }

    public boolean equals(Object obj) {
        if ( this == obj ) return true;
        if ( obj == null ) return false;
        if ( getClass() != obj.getClass() ) return false;
        final Recipients other = (Recipients) obj;
        if ( list == null ) {
            if ( other.list != null ) return false;
        } else if ( !list.equals( other.list ) ) return false;
        return true;
    }

}
