com.anrisoftware.sscontrol.core.bindings.BindAddresses.java Source code

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Here is the source code for com.anrisoftware.sscontrol.core.bindings.BindAddresses.java

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/*
 * Copyright 2013-2015 Erwin Mller <erwin.mueller@deventm.org>
 *
 * This file is part of sscontrol-core.
 *
 * sscontrol-core is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * sscontrol-core is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with sscontrol-core. If not, see <http://www.gnu.org/licenses/>.
 */
package com.anrisoftware.sscontrol.core.bindings;

import static java.util.Collections.unmodifiableList;
import static java.util.Collections.unmodifiableSet;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import javax.inject.Inject;

import org.apache.commons.lang3.builder.ToStringBuilder;

/**
 * Adds and removes bind addresses for the service.
 * 
 * @author Erwin Mueller, erwin.mueller@deventm.org
 * @since 1.0
 */
@SuppressWarnings("serial")
public class BindAddresses implements Serializable, Iterable<String> {

    private final Set<String> addresses;

    private final BindAddressesLogger log;

    @Inject
    BindAddresses(BindAddressesLogger logger) {
        this.log = logger;
        this.addresses = new HashSet<String>();
    }

    /**
     * Adds all addresses from the specified collection.
     * 
     * @param collection
     *            the {@link Collection} with the bind addresses. If one of the
     *            address starts with a "!" then the address is removed rather
     *            then added.
     */
    public void addAll(Collection<String> collection) {
        for (String address : collection) {
            add(address);
        }
    }

    /**
     * Adds new address.
     * 
     * @param address
     *            the address. If the address starts with a "!" then the address
     *            is removed rather then added.
     */
    public void add(String address) {
        if (address.startsWith("!")) {
            remove(address.substring(1));
        } else {
            addresses.add(address);
            log.addressAdded(this, address);
        }
    }

    /**
     * Removes the specified request name.
     * 
     * @param address
     *            the request declaration.
     */
    public void remove(String address) {
        if (addresses.remove(address)) {
            log.addressRemoved(this, address);
        } else {
            log.noAddressFoundForRemoval(this, address);
        }
    }

    @Override
    public Iterator<String> iterator() {
        return unmodifiableSet(addresses).iterator();
    }

    /**
     * Returns an unmodifiable list of the addresses.
     * 
     * @return the unmodifiable {@link List} of the addresses.
     */
    public List<String> asList() {
        return unmodifiableList(new ArrayList<String>(addresses));
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this).append(addresses).toString();
    }

}