com.eucalyptus.webui.client.activity.AbstractActionActivity.java Source code

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Here is the source code for com.eucalyptus.webui.client.activity.AbstractActionActivity.java

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/*************************************************************************
 * Copyright 2009-2012 Eucalyptus Systems, Inc.
 *
 * This program 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; version 3 of the License.
 *
 * 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 * Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
 * CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
 * additional information or have any questions.
 *
 * This file may incorporate work covered under the following copyright
 * and permission notice:
 *
 *   Software License Agreement (BSD License)
 *
 *   Copyright (c) 2008, Regents of the University of California
 *   All rights reserved.
 *
 *   Redistribution and use of this software in source and binary forms,
 *   with or without modification, are permitted provided that the
 *   following conditions are met:
 *
 *     Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *     Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer
 *     in the documentation and/or other materials provided with the
 *     distribution.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *   COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *   INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *   BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *   LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 *   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *   POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
 *   THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
 *   COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
 *   AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
 *   IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
 *   SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
 *   WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
 *   REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
 *   IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
 *   NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
 ************************************************************************/

package com.eucalyptus.webui.client.activity;

import com.eucalyptus.webui.client.ClientFactory;
import com.eucalyptus.webui.client.place.SearchPlace;
import com.eucalyptus.webui.client.view.ActionResultView;
import com.eucalyptus.webui.client.view.ActionResultView.ResultType;
import com.google.common.base.Strings;
import com.google.gwt.activity.shared.AbstractActivity;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.AcceptsOneWidget;

public abstract class AbstractActionActivity extends AbstractActivity implements ActionResultView.Presenter {

    protected interface KeyValue {
        public String getKey();

        public String getValue();
    }

    protected SearchPlace place;
    protected ClientFactory clientFactory;

    protected ActionResultView view;

    public AbstractActionActivity(SearchPlace place, ClientFactory clientFactory) {
        this.place = place;
        this.clientFactory = clientFactory;
    }

    @Override
    public void start(AcceptsOneWidget container, EventBus eventBus) {
        view = clientFactory.getActionResultView();
        view.display(ResultType.NONE, "", false);
        view.setPresenter(this);
        container.setWidget(view);
        doAction(place.getSearch());
    }

    @Override
    public void onConfirmed() {
        // Nothing
    }

    protected static KeyValue parseKeyValue(String keyValue) {
        if (Strings.isNullOrEmpty(keyValue)) {
            return null;
        }
        final String[] parts = keyValue.split(WebAction.KEY_VALUE_SEPARATOR, 2);
        if (parts.length < 2 || Strings.isNullOrEmpty(parts[0]) || Strings.isNullOrEmpty(parts[1])) {
            return null;
        }
        return new KeyValue() {
            @Override
            public String getKey() {
                return parts[0];
            }

            @Override
            public String getValue() {
                return parts[1];
            }
        };
    }

    protected abstract void doAction(String action);

}