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/*
* Copyright 2011, The gwtquery team.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.query.client;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArrayMixed;
import com.google.gwt.query.client.js.JsCache;
import com.google.gwt.query.client.js.JsUtils;
/**
* JSO for accessing Javascript objective literals used by GwtQuery functions.
*/
public class Properties extends JavaScriptObject {
public static Properties create() {
return JsCache.create().cast();
}
public static Properties create(String properties) {
if (properties != null && !properties.isEmpty()) {
String p = wrapPropertiesString(properties);
try {
return JsUtils.parseJSON(p);
} catch (Exception e) {
System.err.println("Error creating Properties: \n> " + properties + "\n< " + p + "\n" + e.getMessage());
}
}
return create();
}
public static String wrapPropertiesString(String s) {
String ret = s //
.replaceAll("\\s*/\\*[\\s\\S]*?\\*/\\s*", "") // Remove comments
.replaceAll("([:\\)\\(,;}{'\"])\\s+" , "$1") // Remove spaces
.replaceAll("\\s+([:\\)\\(,;}{'\"])" , "$1") // Remove spaces
.replaceFirst("^[\\(]+(.*)[\\)]+$", "$1") // Remove ()
.replaceAll("\\([\"']([^\\)]+)[\"']\\)" , "($1)") // Remove quotes
.replaceAll("[;,]+([\\w-\\$]+):", ";$1:") // Change comma by semicolon
.replaceAll("([^,;])([\\]}])", "$1;$2") // Put control semicolon used below
.replaceAll(":\\s*[\"']?([^;\\{\\}\\[\\]\"']*)[\"']?\\s*([;,]+|$)", ":\"$1\";") // put quotes to all values (even empty)
.replaceAll("[;,]+([\\w-]+):", ";$1:") // Change semicolon by comma
.replaceAll("(^|[^\\w-\\$'])([\\w-\\$]+):(['\"\\[{])", "$1\"$2\":$3") // quote keys
.replaceAll("(^|[^\\w-\\$'])([\\w-\\$]+):(['\"\\[{])", "$1\"$2\":$3") // quote keys second pass
.replaceAll("(|[\\[\\]\\{\\},\\(])'([^']*)'", "$1\"$2\"") // Replace single-quote by double-quote
.replaceAll(";([^:]+):", ",$1:") // change semicolon
.replaceAll(";([^:]+):", ",$1:") // change semicolon second pass
.replaceAll(":\"(-?\\d[\\d\\.]*|null|false|true)\"[;,]", ":$1,") // numbers do not need quote
.replaceAll("[;,]+([\\]\\}]|$)", "$1") // remove endings
;
ret = ret.matches("(^[\\[\\{].*[\\]\\}]$)") ? ret : "{" + ret + "}";
return ret;
}
protected Properties() {
}
public final Properties $$(String key, String value) {
set(key, value);
return this;
}
private JsCache c() {
return this.cast();
}
public final native Properties cloneProps() /*-{
var props = {};
for(p in this) {
props[p] = this[p];
}
return props;
}-*/;
public final boolean defined(Object name) {
return c().exists(String.valueOf(name));
}
@SuppressWarnings("unchecked")
public final T get(Object name) {
// Casting because of issue_135
return (T)c().get(String.valueOf(name));
}
public final boolean getBoolean(Object name) {
return c().getBoolean(String.valueOf(name));
}
public final float getFloat(Object name) {
return c().getFloat(String.valueOf(name));
}
public final Function getFunction(Object name) {
final Object o = c().get(String.valueOf(name));
if (o != null) {
if (o instanceof Function) {
return (Function)o;
} else if (o instanceof JavaScriptObject) {
Object f = ((JavaScriptObject)o).cast().getObject("__f");
if (f != null && f instanceof Function) {
return (Function) f;
}
return new JsUtils.JsFunction((JavaScriptObject)o);
}
}
return null;
}
public final int getInt(Object name) {
return c().getInt(String.valueOf(name));
}
public final String getStr(Object name) {
return c().getString(String.valueOf(name));
}
public final Object getObject(Object name) {
return c().get(String.valueOf(name));
}
@SuppressWarnings("unchecked")
public final T getJavaScriptObject(Object name) {
// Casting because of issue_135
return (T)c().getJavaScriptObject(String.valueOf(name));
}
public final JsArrayMixed getArray(Object name) {
return c().getArray(String.valueOf(name));
}
public final String[] keys() {
return c().keys();
}
public final void remove(T name) {
c().delete(String.valueOf(name));
}
public final void setNumber(T name, double val) {
c().putNumber(name, val);
}
public final void setBoolean(T name, boolean val) {
c().putBoolean(name, val);
}
/**
* Adds a new native js function to the properties object.
* This native function will wrap the passed java Function.
*
* Its useful for exporting or importing to javascript.
*
*/
public final native void setFunction(T name, Function f) /*-{
this[name] = function() {
[email protected]::fe(Ljava/lang/Object;)(arguments);
}
// We store the original function reference
this[name].__f = f;
}-*/;
public final void set(T name, O val) {
c().put(String.valueOf(name), val);
}
public final String tostring() {
return toJsonString();
}
public final String toJsonString() {
return JsUtils.JSON2String(JsCache.checkNull(this));
}
public final String toQueryString() {
return JsUtils.param(JsCache.checkNull(this));
}
public final boolean isEmpty(){
return c().length() == 0;
}
}
