at.molindo.notify.channel.mail.PatternMailClient.java Source code

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Here is the source code for at.molindo.notify.channel.mail.PatternMailClient.java

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/**
 * Copyright 2010 Molindo GmbH
 *
 * 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 at.molindo.notify.channel.mail;

import java.util.List;
import java.util.regex.Pattern;

import org.springframework.beans.factory.InitializingBean;

import at.molindo.notify.model.Dispatch;
import at.molindo.utils.data.StringUtils;

public class PatternMailClient implements IMailClient, InitializingBean {

    private IMailClient _defaultClient;
    private IMailClient _alternativeClient;

    private Pattern[] _clientPatterns = new Pattern[0];

    @Override
    public void afterPropertiesSet() throws Exception {
        if (_defaultClient == null) {
            throw new IllegalStateException("defaultClient not configured");
        }
        if (_clientPatterns.length > 0 && _alternativeClient == null) {
            throw new IllegalStateException("clientPatterns but no alternativeClient configured");
        }
    }

    @Override
    public void send(Dispatch dispatch) throws MailException {
        getClient(getServer(dispatch.getParams().get(MailChannel.RECIPIENT))).send(dispatch);
    }

    String getServer(String recipient) {
        return StringUtils.empty(recipient) ? "" : StringUtils.afterLast(recipient, "@");
    }

    IMailClient getClient(String server) {
        if (!StringUtils.empty(server)) {
            for (final Pattern p : _clientPatterns) {
                if (p.matcher(server).find()) {
                    return _alternativeClient;
                }
            }
        }
        return _defaultClient;
    }

    public void setClientPatterns(final List<String> smartClientPatterns) {
        _clientPatterns = new Pattern[smartClientPatterns.size()];
        for (int i = 0; i < _clientPatterns.length; i++) {
            _clientPatterns[i] = Pattern.compile(smartClientPatterns.get(i), Pattern.CASE_INSENSITIVE);
        }
    }

    public void setDefaultClient(IMailClient defaultClient) {
        _defaultClient = defaultClient;
    }

    public void setAlternativeClient(IMailClient alternativeClient) {
        _alternativeClient = alternativeClient;
    }

    protected IMailClient getDefaultClient() {
        return _defaultClient;
    }

    protected IMailClient getAlternativeClient() {
        return _alternativeClient;
    }

}