/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.bpm.console.client.model;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.core.client.JsArrayString;
import org.jboss.bpm.console.client.util.SimpleDateFormat;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;
/**
* Java overlay of a JavaScriptObject.
* Borrowed from Matt Raible:
* http://raibledesigns.com/rd/entry/json_parsing_with_javascript_overlay
*/
public abstract class JSOModel extends JavaScriptObject {
// Overlay types always have protected, zero-arg constructors
protected JSOModel() {
}
/**
* Create an empty instance.
*
* @return new Object
*/
public static native JSOModel create() /*-{
return new Object();
}-*/;
/**
* Convert a JSON encoded string into a JSOModel instance.
* <p/>
* Expects a JSON string structured like '{"foo":"bar","number":123}'
*
* @return a populated JSOModel object
*/
public static native JSOModel fromJson(String jsonString) /*-{
return eval('(' + jsonString + ')');
}-*/;
/**
* Convert a JSON encoded string into an array of JSOModel instance.
* <p/>
* Expects a JSON string structured like '[{"foo":"bar","number":123}, {...}]'
*
* @return a populated JsArray
*/
public static native JsArray<JSOModel> arrayFromJson(String jsonString) /*-{
return eval('(' + jsonString + ')');
}-*/;
public final native boolean hasKey(String key) /*-{
return this[key] != undefined;
}-*/;
public final native JsArrayString keys() /*-{
var a = new Array();
for (var p in this) { a.push(p); }
return a;
}-*/;
@Deprecated
public final Set<String> keySet() {
JsArrayString array = keys();
Set<String> set = new HashSet<String>();
for (int i = 0; i < array.length(); i++) {
set.add(array.get(i));
}
return set;
}
public final native String get(String key) /*-{
return "" + this[key];
}-*/;
public final native String get(String key, String defaultValue) /*-{
return this[key] ? ("" + this[key]) : defaultValue;
}-*/;
public final native void set(String key, String value) /*-{
this[key] = value;
}-*/;
public final int getInt(String key) {
return Integer.parseInt(get(key));
}
public final boolean getBoolean(String key) {
return Boolean.parseBoolean(get(key));
}
public final native JSOModel getObject(String key) /*-{
return this[key];
}-*/;
public final native JsArray<JSOModel> getArray(String key) /*-{
return this[key] ? this[key] : new Array();
}-*/;
public final long getLong(String key)
{
return Long.valueOf(get(key));
}
public final Date getDate(String key)
{
Date result = null;
String value = get(key);
if(!isNull(value))
{
SimpleDateFormat df = new SimpleDateFormat();
result = df.parse(value);
}
return result;
}
public final Date getDate(String key, Date fallback)
{
Date date = getDate(key);
return date != null ? date : fallback;
}
private final boolean isNull(String val)
{
return (val != null && "null".equals(val) || "undefined".equals(val));
}
}