mypackage_wrt/WRTKit/Utils/Logger.js
author nithyar
Fri, 07 May 2010 14:22:13 +0100
changeset 48 02d03cbfc733
parent 42 20be4dd42b12
permissions -rwxr-xr-x
Wk17 update, S^4 Key features update, SMP plan update
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/*
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© Copyright 2008 Nokia Corporation. All rights reserved.
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IMPORTANT:  The Nokia software ("WRTKit and Example Widget files") is supplied to you by Nokia
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Corporation (ÒNokiaÓ) in consideration of your agreement to the following terms. Your use, installation
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and/or redistribution of the WRTKit and Example Widget files constitutes acceptance of these terms. If
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you do not agree with these terms, please do not use, install, or redistribute the WRTKit and Example
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Widget files.
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In consideration of your agreement to abide by the following terms, and subject to these terms, Nokia
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grants you a personal, non-exclusive license, under NokiaÕs copyrights in the WRTKit and Example
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Widget files, to use, reproduce, and redistribute the WRTKit and Example files, in text form (for HTML,
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CSS, or JavaScript files) or binary form (for associated images), for the sole purpose of creating S60
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Widgets.
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If you redistribute the WRTKit and Example files, you must retain this entire notice in all such
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redistributions of the WRTKit and Example files.
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You may not use the name, trademarks, service marks or logos of Nokia to endorse or promote products
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that include the WRTKit and Example files without the prior written explicit agreement with Nokia.
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Except as expressly stated in this notice, no other rights or licenses, express or implied, are granted by
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Nokia herein, including but not limited to any patent rights that may be infringed by your products that
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incorporate the WRTKit and Example files or by other works in which the WRTKit and Example files
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may be incorporated.
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The WRTKit and Example files are provided on an "AS IS" basis.  NOKIA MAKES NO
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WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
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WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
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PARTICULAR PURPOSE, REGARDING THE EXAMPLES OR ITS USE AND OPERATION
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ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, AND/OR
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DISTRIBUTION OF THE EXAMPLES, HOWEVER CAUSED AND WHETHER UNDER THEORY
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OF CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE,
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EVEN IF NOKIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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///////////////////////////////////////////////////////////////////////////////
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// Logger utility class that uses the Firebug console class.
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// Constructor (everything is static so this is empty).
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function Logger() {
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    // Set default logger level.
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    this.level = this.LOG_LEVEL_OFF;
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}
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// Logger levels.
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Logger.prototype.LOG_LEVEL_DEBUG = 0;
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Logger.prototype.LOG_LEVEL_INFO = 1;
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Logger.prototype.LOG_LEVEL_WARN = 2;
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Logger.prototype.LOG_LEVEL_ERROR = 3;
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Logger.prototype.LOG_LEVEL_OFF = 4;
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Logger.prototype.level = null;
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Logger.prototype.filter = null;
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// Disable logging on other browsers except Firefox.
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Logger.prototype.enabled = (navigator.userAgent.indexOf("Firefox") != -1);
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// Dumps an objects properties and methods to the console.
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Logger.prototype.dump = function(obj) {
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    if (this.enabled) {
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        console.dir(obj);
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    }
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}
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// Dumps a stracktrace to the console.
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Logger.prototype.trace = function() {
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    if (this.enabled) {
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        console.trace();
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    }
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}
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// Prints a debug message to the console.
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Logger.prototype.debug = function(str) {
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    if (this.enabled && this.level <= this.LOG_LEVEL_DEBUG) {
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        if (this.filter == null) {
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            console.debug(str);
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        } else {
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            var show = false;
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            for (i in this.filter) {
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                if (str.indexOf(this.filter[i]) >= 0) {
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                    show = true;
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                    break;
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                }
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            }
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            if (show) {
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                console.debug(str);
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            }
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        }
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    }
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}
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// Prints an info message to the console.
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Logger.prototype.info = function(str) {
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    if (this.enabled && this.level <= this.LOG_LEVEL_INFO) {
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        console.info(str);
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    }
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}
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// Prints a warning message to the console.
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Logger.prototype.warn = function(str) {
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    if (this.enabled && this.level <= this.LOG_LEVEL_WARN) {
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        console.warn(str);
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    }
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}
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// Prints an error message to the console.
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Logger.prototype.error = function(str) {
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    if (this.enabled && this.level <= this.LOG_LEVEL_ERROR) {
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        console.error(str);
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    }
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}