Java tutorial
/******************************************************************************* *Copyright (c) 2009 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, only version 3 of the License. * * * This file 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., 130 Castilian * Dr., Goleta, CA 93101 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 edu.ucsb.eucalyptus.admin.client.extensions.store; import java.util.List; import java.util.ArrayList; import com.google.gwt.json.client.JSONArray; import com.google.gwt.json.client.JSONObject; import com.google.gwt.json.client.JSONValue; public class JSONImageInfo implements ImageInfo { private JSONObject object; private JSONImageInfo(JSONObject object) { this.object = object; } static public ImageInfo fromString(String data) { return fromObject(JSONUtil.parseObject(data)); } static public ImageInfo fromObject(JSONObject object) { return new JSONImageInfo(object); } static public List<ImageInfo> fromObjectArray(JSONValue array) { return JSONUtil.adaptArray(array, new JSONUtil.ObjectAdapter<ImageInfo>() { public ImageInfo adaptObject(JSONObject object) { return fromObject(object); } }); } public String getUri() { return JSONUtil.asString(object.get("uri")); } public String getIconUri() { return JSONUtil.asString(object.get("icon-uri")); } public String getTitle() { return JSONUtil.asString(object.get("title")); } public String getSummary() { return JSONUtil.asString(object.get("summary")); } public String getDescriptionHtml() { return JSONUtil.asString(object.get("description-html")); } public String getVersion() { return JSONUtil.asString(object.get("version")); } public Integer getSizeInMB() { return JSONUtil.asInteger(object.get("size-in-mb")); } public List<String> getTags() { ArrayList<String> tags = new ArrayList<String>(); JSONValue value = object.get("tags"); if (value != null) { JSONArray array = value.isArray(); if (array != null) { for (int i = 0; i != array.size(); i++) { String item = JSONUtil.asString(array.get(i)); if (item != null) { tags.add(item); } } } } return tags; } public String getProviderTitle() { JSONValue providerValue = object.get("provider"); if (providerValue != null) { JSONObject providerObject = providerValue.isObject(); if (providerObject != null) { return JSONUtil.asString(providerObject.get("title")); } } return null; } public String getProviderUri() { JSONValue providerValue = object.get("provider"); if (providerValue != null) { JSONObject providerObject = providerValue.isObject(); if (providerObject != null) { return JSONUtil.asString(providerObject.get("uri")); } } return null; } }