Java tutorial
/******************************************************************************* * This file is part of OpenNMS(R). * * Copyright (C) 2011-2014 The OpenNMS Group, Inc. * OpenNMS(R) is Copyright (C) 1999-2014 The OpenNMS Group, Inc. * * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc. * * OpenNMS(R) 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. * * OpenNMS(R) 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 OpenNMS(R). If not, see: * http://www.gnu.org/licenses/ * * For more information contact: * OpenNMS(R) Licensing <license@opennms.org> * http://www.opennms.org/ * http://www.opennms.com/ *******************************************************************************/ package org.opennms.features.node.list.gwt.client; import java.util.ArrayList; import java.util.List; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.JsArray; import com.google.gwt.json.client.JSONArray; import com.google.gwt.json.client.JSONObject; import com.google.gwt.json.client.JSONParser; import com.google.gwt.json.client.JSONValue; public abstract class NodeRestResponseMapper { public static List<IpInterface> createIpInterfaceData(String jsonString) { final List<IpInterface> ipIfaceList = new ArrayList<IpInterface>(); final JSONValue value = JSONParser.parseStrict(jsonString); JSONObject obj = value.isObject(); JSONArray arr = value.isArray(); JsArray<IpInterface> ipIfaces = null; if (obj != null) { ipIfaces = createIpInterfaceData(obj.getJavaScriptObject()); } else if (arr != null) { ipIfaces = createIpInterfaceData(arr.getJavaScriptObject()); } else { doLog(jsonString + " did not parse as an object or array!", value); } if (ipIfaces != null) { for (int i = 0; i < ipIfaces.length(); i++) { ipIfaceList.add(ipIfaces.get(i)); } } doLog("ip interfaces:", ipIfaceList); return ipIfaceList; } public static native JsArray<IpInterface> createIpInterfaceData(final JavaScriptObject jso) /*-{ if (jso.ipInterface) { if( Object.prototype.toString.call( jso.ipInterface ) === '[object Array]' ) { return jso.ipInterface; } else { return [ jso.ipInterface ]; } } else { if( Object.prototype.toString.call( jso ) === '[object Array]' ) { return jso; } else { return [ jso ]; } } }-*/; public static List<PhysicalInterface> createSnmpInterfaceData(String jsonString) { final List<PhysicalInterface> physIfaceList = new ArrayList<PhysicalInterface>(); final JSONValue value = JSONParser.parseStrict(jsonString); final JSONObject obj = value.isObject(); final JSONArray arr = value.isArray(); JsArray<PhysicalInterface> snmpIfaces = null; if (obj != null) { snmpIfaces = createSnmpInterfaceData(obj.getJavaScriptObject()); } else if (arr != null) { snmpIfaces = createSnmpInterfaceData(arr.getJavaScriptObject()); } else { doLog(jsonString + " did not parse as an object or array!", value); } if (snmpIfaces != null) { for (int i = 0; i < snmpIfaces.length(); i++) { physIfaceList.add(snmpIfaces.get(i)); } } doLog("physical interfaces:", physIfaceList); return physIfaceList; } public static native JsArray<PhysicalInterface> createSnmpInterfaceData(final JavaScriptObject jso) /*-{ if (jso.snmpInterface) { if( Object.prototype.toString.call( jso.snmpInterface ) === '[object Array]' ) { return jso.snmpInterface; } else { return [ jso.snmpInterface ]; } } else { if( Object.prototype.toString.call( jso ) === '[object Array]' ) { return jso; } else { return [ jso ]; } } }-*/; public static native void doLog(final String message, final Object o) /*-{ console.log(message,o); }-*/; }