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gwt-jszip (based on jszipgwt by Aki Miyazaki / MIT License)
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package com.akjava.gwt.jszip;

//import static com.google.common.base.Preconditions.checkNotNull;
//
//import com.akjava.gwt.html5.client.download.HTML5Download;
//import com.akjava.gwt.html5.client.file.Blob;
//import com.akjava.gwt.html5.client.file.File;
//import com.akjava.gwt.html5.client.file.FileUploadForm;
//import com.akjava.gwt.html5.client.file.FileUtils;
//import com.akjava.gwt.html5.client.file.FileUtils.DataArrayListener;
//import com.akjava.gwt.html5.client.file.Uint8Array;
//import com.akjava.gwt.lib.client.Base64Utils;
//import com.akjava.gwt.lib.client.BrowserUtils;
//import com.akjava.gwt.lib.client.ImageElementUtils;
//import com.akjava.gwt.lib.client.LogUtils;
//import com.akjava.gwt.lib.client.BrowserUtils.LoadBinaryListener;
//import com.akjava.gwt.lib.client.experimental.ImageBuilder;
//import com.akjava.lib.common.io.FileType;
//import com.akjava.lib.common.utils.FileNames;
//import com.google.common.base.Optional;
//import com.google.gwt.dom.client.ImageElement;
//import com.google.gwt.typedarrays.shared.ArrayBuffer;
//import com.google.gwt.user.client.ui.Anchor;

/*
 * somehow webpalbum has ZipUtils
 * TODO merge them
 */
public class JSZipUtils {
//private JSZipUtils(){}
//
//public static void loadZipFromFile(final String url,final ZipListener listener){
//	BrowserUtils.loadBinaryFile(url,new LoadBinaryListener() {
//		@Override
//		public void onLoadBinaryFile(ArrayBuffer buffer) {
//			listener.onLoad(url,JSZip.loadFromArrayBuffer(buffer));
//		}
//		
//		@Override
//		public void onFaild(int states, String statesText) {
//			listener.onFaild(states, statesText);
//		}
//	});
//}
//public static FileUploadForm createZipFileUploadForm(final ZipListener listener){
//	FileUploadForm upload=FileUtils.createSingleFileUploadForm(new DataArrayListener() {
//		@Override
//		public void uploaded(File file, Uint8Array array) {
//			listener.onLoad(file.getFileName(), JSZip.loadFromArray(array));
//		}
//	});
//	upload.setAccept(FileUploadForm.ACCEPT_ZIP);
//	return upload;
//}
//
//public static void createImageFile(JSZip zip,String fileName,ImageElement imageElement){
//	checkNotNull(fileName,"createImagheFile:need file name");
//	checkNotNull(imageElement,"createImagheFile:need image element");
//	String dataUrl=ImageBuilder.from(imageElement).onFileName(fileName).toDataUrl();
//	zip.base64UrlFile(fileName, dataUrl);
//}
//
//public static Optional getImagheFile(JSZip zip,String fileName){
//	checkNotNull(fileName,"getImagheFilee:need file name");
//	JSFile jsFile=zip.getFile(fileName);
//	if(jsFile==null){
//		return Optional.absent();
//	}
//	String extension=FileNames.getExtension(fileName);
//	FileType type=FileType.getFileTypeByExtension(extension);
//	String dataUrl=Base64Utils.toDataUrl(type.getMimeType(),jsFile.asUint8Array());
//	return Optional.of(ImageElementUtils.create(dataUrl));
//}
//
//
//public static Anchor createDownloadAnchor(JSZip zip,String fileName,String downloadLabel,boolean removeOnClick){
//	Blob blob=zip.generateBlob(null);
//	Anchor a=new HTML5Download().generateDownloadLink(blob,"application/zip",fileName,downloadLabel,removeOnClick);
//	return a;
//}
//
//public static interface ZipListener{
//	public void onLoad(String name,JSZip zip);
//	public void onFaild(int states,String statesText);
//}
}