jschismes.client.JsProperties.java Source code

Introduction

Here is the source code for jschismes.client.JsProperties.java

Source

/*
 * Copyright 2007 Manuel Carrasco Moino. (manuel_carrasco at users.sourceforge.net) 
 * http://code.google.com/p/gwtchismes
 * 
 * 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 jschismes.client;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArrayString;

public class JsProperties {

    JavaScriptObject p = null;

    JsProperties(JavaScriptObject p) {
        this.p = p;
    }

    public boolean defined(String name) {
        return definedImpl(p, name);
    }

    public String get(String name) {
        return getImpl(p, name, "");
    }

    public String get(String name, String deFault) {
        return getImpl(p, name, deFault);
    }

    public int getInt(String name, int deFault) {
        String val = defined(name) ? get(name).replaceAll("[^\\d]", "") : "";
        if (val.length() == 0)
            return deFault;
        return Integer.valueOf(val);
    }

    public int getInt(String name) {
        return getInt(name, 0);
    }

    public float getFloat(String name) {
        return getFloatImpl(p, name);
    }

    public boolean getBoolean(String name) {
        return getBoolean(name, false);
    }

    public boolean getBoolean(String name, boolean deFault) {
        String val = get(name).toLowerCase();
        if ("true".equals(val))
            return true;
        if ("false".equals(val))
            return true;
        if ("on".equals(val))
            return true;
        if ("off".equals(val))
            return false;
        if ("1".equals(val))
            return true;
        if ("0".equals(val))
            return false;
        return deFault;
    }

    public JsProperties getJsProperties(String name) {
        return new JsProperties(getJSObjectImpl(p, name));
    }

    public JsChangeClosure getClosure(String name) {
        return new JSChangeClosureImpl(getJSObjectImpl(p, name));
    }

    public final String[] keys() {
        JsArrayString a = keysImpl(p);
        String[] ret = new String[a.length()];
        for (int i = 0; i < a.length(); i++) {
            ret[i] = "" + a.get(i);
        }
        return ret;
    }

    private static native boolean definedImpl(JavaScriptObject p, String name) /*-{
                                                                               return p[name] ? true : false;
                                                                               }-*/;

    private static native String getImpl(JavaScriptObject p, String name, String defa) /*-{
                                                                                       return p[name] ? "" + p[name] : p[name] === false ? "false" : defa;
                                                                                       }-*/;

    private static native float getFloatImpl(JavaScriptObject p, String name) /*-{
                                                                              return p[name] ? p[name]: 0;
                                                                              }-*/;

    private static native JavaScriptObject getJSObjectImpl(JavaScriptObject p, String name) /*-{
                                                                                            return p[name] ? p[name] : null ;
                                                                                            }-*/;

    private static final native JsArrayString keysImpl(JavaScriptObject p) /*-{
                                                                           var key, keys=[];
                                                                           for(key in p) keys.push("" + key); 
                                                                           return keys;
                                                                           }-*/;

    static private class JSChangeClosureImpl implements JsChangeClosure {
        JavaScriptObject jsobject;

        JSChangeClosureImpl(JavaScriptObject o) {
            jsobject = o;
        }

        public void onChange(Object object) {
            onChangeImpl(jsobject, object);
        }

        public native void onChangeImpl(JavaScriptObject f, Object o)/*-{
                                                                     if (f && o && typeof f == 'function') f(o);
                                                                     }-*/;
    }
}