DiscoveryServiceImpl.java

/*******************************************************************************
 * Copyright (c) 2013 aegif.
 * 
 * This file is part of NemakiWare.
 * 
 * NemakiWare is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * NemakiWare 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with NemakiWare.
 * If not, see <http://www.gnu.org/licenses/>.
 * 
 * Contributors:
 *     linzhixing(https://github.com/linzhixing) - initial API and implementation
 ******************************************************************************/
package jp.aegif.nemaki.cmis.service.impl;

import java.math.BigInteger;
import java.util.List;

import jp.aegif.nemaki.businesslogic.ContentService;
import jp.aegif.nemaki.cmis.aspect.CompileService;
import jp.aegif.nemaki.cmis.aspect.ExceptionService;
import jp.aegif.nemaki.cmis.aspect.query.QueryProcessor;
import jp.aegif.nemaki.cmis.service.DiscoveryService;
import jp.aegif.nemaki.model.Change;

import org.apache.chemistry.opencmis.commons.data.ExtensionsData;
import org.apache.chemistry.opencmis.commons.data.ObjectList;
import org.apache.chemistry.opencmis.commons.enums.IncludeRelationships;
import org.apache.chemistry.opencmis.commons.server.CallContext;
import org.apache.chemistry.opencmis.commons.spi.Holder;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;

/**
 * Discovery Service implementation for CouchDB.
 * 
 */
public class DiscoveryServiceImpl implements DiscoveryService {

	private QueryProcessor queryProcessor;
	private ContentService contentService;
	private ExceptionService exceptionService;
	private CompileService compileService;

	public ObjectList query(CallContext context, String repositoryId,
			String statement, Boolean searchAllVersions,
			Boolean includeAllowableActions,
			IncludeRelationships includeRelationships, String renditionFilter,
			BigInteger maxItems, BigInteger skipCount, ExtensionsData extension) {
		// //////////////////
		// General Exception
		// //////////////////
		exceptionService.invalidArgumentRequiredString("statement", statement);

		// //////////////////
		// Specific Exception
		// //////////////////
		// TODO implement

		// //////////////////
		// Body of the method
		return queryProcessor.query(context, repositoryId, statement,
				searchAllVersions, includeAllowableActions, includeRelationships,
				renditionFilter, maxItems, skipCount);
	}

	/**
	 * Return ChangeLog just for Documents & Folder type, and Not for their
	 * attachments TODO includeAcl,includePolicyIds is not valid
	 */
	public ObjectList getContentChanges(CallContext context,
			String repositoryId, Holder<String> changeLogToken,
			Boolean includeProperties, String filter, Boolean includePolicyIds,
			Boolean includeAcl, BigInteger maxItems, ExtensionsData extension) {
		// //////////////////
		// General Exception
		// //////////////////
		// NONE

		// //////////////////
		// Specific Exception
		// //////////////////
		if (changeLogToken == null || 
				changeLogToken == null && StringUtils.isBlank(changeLogToken.getValue())) {
			// If changelogToken is not specified, return the first in the
			// repository
			exceptionService
					.invalidArgumentChangeEventNotAvailable(repositoryId, changeLogToken);
		}

		// //////////////////
		// Body of the method
		// //////////////////
		List<Change> changes = contentService.getLatestChanges(repositoryId,
				context, changeLogToken, includeProperties, filter,
				includePolicyIds, includeAcl, maxItems, extension);
		if (!CollectionUtils.isEmpty(changes)) {
			Change latestInResults = changes.get(changes.size() - 1);
			changeLogToken.setValue(latestInResults.getId());
		}

		return compileService.compileChangeDataList(context, repositoryId,
				changes, changeLogToken, includeProperties, filter,
				includePolicyIds, includeAcl);
	}

	public void setQueryProcessor(QueryProcessor queryProcessor) {
		this.queryProcessor = queryProcessor;
	}

	public void setContentService(ContentService contentService) {
		this.contentService = contentService;
	}

	public void setExceptionService(ExceptionService exceptionService) {
		this.exceptionService = exceptionService;
	}

	public void setCompileService(CompileService compileService) {
		this.compileService = compileService;
	}
}