Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) * * This library 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 library 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. * * For further information about Alkacon Software, please see the * company website: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://www.opencms.org * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package org.opencms.gwt.client.ui.input.upload.impl; import org.opencms.gwt.client.ui.input.upload.CmsFileInfo; import org.opencms.gwt.client.ui.input.upload.I_CmsUploadDialog; import org.opencms.gwt.client.ui.input.upload.I_CmsUploader; import org.opencms.gwt.client.util.CmsClientStringUtil; import java.util.List; import com.google.gwt.core.client.JavaScriptObject; import com.google.gwt.core.client.JsArray; /** * Form data implementation of the file uploader.<p> */ public class CmsUploaderFormData implements I_CmsUploader { /** * @see org.opencms.gwt.client.ui.input.upload.I_CmsUploader#uploadFiles(java.lang.String, java.lang.String, boolean, java.util.List, java.util.List, org.opencms.gwt.client.ui.input.upload.I_CmsUploadDialog) */ public void uploadFiles(String uploadUri, String targetFolder, boolean isRootPath, List<CmsFileInfo> filesToUpload, List<String> filesToUnzip, I_CmsUploadDialog dialog) { JsArray<CmsFileInfo> filesToUploadArray = JavaScriptObject.createArray().cast(); for (CmsFileInfo fileInfo : filesToUpload) { filesToUploadArray.push(fileInfo); } // create a array that contains the names of the files that should be unziped JavaScriptObject filesToUnzipArray = JavaScriptObject.createArray(); for (String filename : filesToUnzip) { CmsClientStringUtil.pushArray(filesToUnzipArray, filename); } upload(uploadUri, targetFolder, isRootPath, filesToUploadArray, filesToUnzipArray, dialog); } /** * Sends a post request to the upload JSP.<p> * * @param uploadUri the URI of the JSP that performs the upload * @param targetFolder the target folder to upload * @param isRootPath true if the target folder is given as a root path * @param filesToUpload the files to upload * @param filesToUnzip the file names to unzip * @param dialog this dialog */ protected native void upload(String uploadUri, String targetFolder, boolean isRootPath, JsArray<CmsFileInfo> filesToUpload, JavaScriptObject filesToUnzip, I_CmsUploadDialog dialog) /*-{ var data = new FormData(); for (i = 0; i < filesToUpload.length; i++) { var file = filesToUpload[i]; var fieldName = "file_" + i; data.append(fieldName, file); // get the current file name/override-name var fileName = file.overrideFileName ? file.overrideFileName : file.name ? file.name : file.fileName; data .append( fieldName + @org.opencms.gwt.shared.I_CmsUploadConstants::UPLOAD_FILENAME_ENCODED_SUFFIX, encodeURI(fileName)); } data .append( @org.opencms.gwt.shared.I_CmsUploadConstants::UPLOAD_TARGET_FOLDER_FIELD_NAME, targetFolder); data .append( @org.opencms.gwt.shared.I_CmsUploadConstants::UPLOAD_IS_ROOT_PATH_FIELD_NAME, "" + isRootPath); for ( var i = 0; i < filesToUnzip.length; ++i) { data .append( @org.opencms.gwt.shared.I_CmsUploadConstants::UPLOAD_UNZIP_FILES_FIELD_NAME, encodeURI(filesToUnzip[i])); } var xhr = new XMLHttpRequest(); xhr.open("POST", uploadUri, true); xhr.onreadystatechange = function() { if (xhr.readyState == 4) { if (xhr.status == 200) { dialog.@org.opencms.gwt.client.ui.input.upload.I_CmsUploadDialog::parseResponse(Ljava/lang/String;)(xhr.responseText); } else { dialog.@org.opencms.gwt.client.ui.input.upload.I_CmsUploadDialog::showErrorReport(Ljava/lang/String;Ljava/lang/String;)(xhr.statusText, null); } } } xhr.send(data); }-*/; }