com.linuxbox.enkive.message.search.RetentionPolicyEnforcingMessageSearchService.java Source code

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Here is the source code for com.linuxbox.enkive.message.search.RetentionPolicyEnforcingMessageSearchService.java

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/*******************************************************************************
 * Copyright 2013 The Linux Box Corporation.
 *
 * This file is part of Enkive CE (Community Edition).
 *
 * Enkive CE 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.
 *
 * Enkive CE 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 Enkive CE. If not, see
 * <http://www.gnu.org/licenses/>.
 *******************************************************************************/
/*
 * 
 */
package com.linuxbox.enkive.message.search;

import static com.linuxbox.enkive.message.retention.Constants.RETENTION_PERIOD;
import static com.linuxbox.enkive.search.Constants.DATE_EARLIEST_PARAMETER;
import static com.linuxbox.enkive.search.Constants.NUMERIC_SEARCH_FORMAT;

import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Future;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.linuxbox.enkive.message.retention.MessageRetentionPolicy;
import com.linuxbox.enkive.message.search.exception.MessageSearchException;
import com.linuxbox.enkive.workspace.searchResult.SearchResult;

public class RetentionPolicyEnforcingMessageSearchService implements MessageSearchService {

    protected final static Log LOGGER = LogFactory.getLog("com.linuxbox.enkive.searchService");

    protected MessageSearchService messageSearchService;
    protected MessageRetentionPolicy messageRetentionPolicy;

    @Override
    public SearchResult search(Map<String, String> fields) throws MessageSearchException {
        Map<String, String> searchFields = addRetentionPolicyToFields(fields);
        return messageSearchService.search(searchFields);
    }

    @Override
    public Future<SearchResult> searchAsync(Map<String, String> fields) throws MessageSearchException {
        throw new MessageSearchException("Unimplemented");
    }

    @Override
    public boolean cancelAsyncSearch(String searchId) throws MessageSearchException {
        throw new MessageSearchException("Unimplemented");
    }

    public MessageSearchService getMessageSearchService() {
        return messageSearchService;
    }

    public void setMessageSearchService(MessageSearchService messageSearchService) {
        this.messageSearchService = messageSearchService;
    }

    public MessageRetentionPolicy getMessageRetentionPolicy() {
        return messageRetentionPolicy;
    }

    public void setMessageRetentionPolicy(MessageRetentionPolicy messageRetentionPolicy) {
        this.messageRetentionPolicy = messageRetentionPolicy;
    }

    private Map<String, String> addRetentionPolicyToFields(Map<String, String> searchFields) {
        HashMap<String, String> retentionFields = messageRetentionPolicy.getRetentionPolicyCriteria();

        if (retentionFields.get(RETENTION_PERIOD) != null && !retentionFields.get(RETENTION_PERIOD).isEmpty()
                && Integer.parseInt(retentionFields.get(RETENTION_PERIOD)) > 0) {

            String retentionPeriodString = retentionFields.get(RETENTION_PERIOD);
            int retentionPeriod = Integer.parseInt(retentionPeriodString);
            Calendar retentionCal = Calendar.getInstance();
            retentionCal.add(Calendar.DATE, (-1 * retentionPeriod));
            Date retentionDate = retentionCal.getTime();

            if (searchFields.get(DATE_EARLIEST_PARAMETER) != null
                    && !searchFields.get(DATE_EARLIEST_PARAMETER).isEmpty()) {
                try {
                    Date searchDate = NUMERIC_SEARCH_FORMAT.parse(searchFields.get(DATE_EARLIEST_PARAMETER));
                    if (retentionDate.after(searchDate)) {
                        searchFields.put(DATE_EARLIEST_PARAMETER, NUMERIC_SEARCH_FORMAT.format(retentionDate));
                    }
                } catch (ParseException e) {
                    searchFields.put(DATE_EARLIEST_PARAMETER, NUMERIC_SEARCH_FORMAT.format(retentionDate));
                    if (LOGGER.isWarnEnabled())
                        LOGGER.warn("Could not parse earliest date submitted to search - "
                                + searchFields.get(DATE_EARLIEST_PARAMETER));
                }
            } else {
                searchFields.put(DATE_EARLIEST_PARAMETER, NUMERIC_SEARCH_FORMAT.format(retentionDate));
            }
        }

        return searchFields;
    }
}