TaggingDataSource.java

/*
 * RHQ Management Platform
 * Copyright (C) 2005-2010 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation, and/or the GNU Lesser
 * General Public License, version 2.1, also as published by the Free
 * Software Foundation.
 *
 * This program 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 and the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * and the GNU Lesser General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.rhq.coregui.client.components.tagging;

import com.google.gwt.user.client.rpc.AsyncCallback;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DSResponse;
import com.smartgwt.client.data.Record;
import com.smartgwt.client.widgets.grid.ListGridRecord;

import org.rhq.core.domain.criteria.TagCriteria;
import org.rhq.core.domain.tagging.Tag;
import org.rhq.core.domain.util.PageList;
import org.rhq.coregui.client.CoreGUI;
import org.rhq.coregui.client.gwt.GWTServiceLookup;
import org.rhq.coregui.client.util.RPCDataSource;

/**
 * @author Greg Hinkle
 */
public class TaggingDataSource extends RPCDataSource<Tag, TagCriteria> {

    @Override
    protected void executeFetch(final DSRequest request, final DSResponse response, final TagCriteria criteria) {
        GWTServiceLookup.getTagService().findTagsByCriteria(criteria, new AsyncCallback<PageList<Tag>>() {
            public void onFailure(Throwable caught) {
                CoreGUI.getErrorHandler().handleError(MSG.view_tags_error_1(), caught);
                response.setStatus(DSResponse.STATUS_FAILURE);
                processResponse(request.getRequestId(), response);
            }

            public void onSuccess(PageList<Tag> result) {
                response.setData(buildRecords(result));
                processResponse(request.getRequestId(), response);
            }
        });
    }

    @Override
    protected TagCriteria getFetchCriteria(DSRequest request) {
        TagCriteria criteria = new TagCriteria();

        /* TODO: add search filter
        String search = (String) request.getCriteria().getValues().get("tag");
        if (search != null) {
            // criteria.addFilter
        }
        */

        return criteria;
    }

    @Override
    public Tag copyValues(Record from) {
        return null; // TODO: Implement this method.
    }

    @Override
    public ListGridRecord copyValues(Tag from) {
        ListGridRecord record = new ListGridRecord();
        record.setAttribute("id", from.getId());
        record.setAttribute("namespace", from.getNamespace());
        record.setAttribute("semantic", from.getSemantic());
        record.setAttribute("name", from.getName());
        record.setAttribute("tag", from.toString());
        return record;
    }
}