openaz-xacml-pap-admin/src/main/java/org/apache/openaz/xacml/admin/view/windows/PIPImportWindow.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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 org.apache.openaz.xacml.admin.view.windows;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.OutputStream;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.vaadin.annotations.AutoGenerated;
import com.vaadin.ui.Upload;
import com.vaadin.ui.Upload.Receiver;
import com.vaadin.ui.Upload.SucceededEvent;
import com.vaadin.ui.Upload.SucceededListener;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public class PIPImportWindow extends Window implements Receiver, SucceededListener  {
	/*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */
	private static final Log logger	= LogFactory.getLog(PolicyUploadWindow.class);

	@AutoGenerated
	private VerticalLayout mainLayout;

	@AutoGenerated
	private Upload upload;

	private static final long serialVersionUID = 1L;
	private String filename = null;
	
	/**
	 * The constructor should first build the main layout, set the
	 * composition root and then do any custom initialization.
	 *
	 * The constructor will not be automatically regenerated by the
	 * visual editor.
	 */
	public PIPImportWindow() {
		buildMainLayout();
		//setCompositionRoot(mainLayout);
		setContent(mainLayout);
		//
		// Set ourselves up
		//
		this.upload.addSucceededListener(this);
		this.upload.setReceiver(this);
	}

	@AutoGenerated
	private VerticalLayout buildMainLayout() {
		// common part: create layout
		mainLayout = new VerticalLayout();
		mainLayout.setImmediate(false);
		mainLayout.setWidth("-1px");
		mainLayout.setHeight("-1px");
		mainLayout.setMargin(true);
		mainLayout.setSpacing(true);
		
		// top-level component properties
		setWidth("-1px");
		setHeight("-1px");
		
		// upload_1
		upload = new Upload();
		upload.setImmediate(false);
		upload.setWidth("-1px");
		upload.setHeight("-1px");
		mainLayout.addComponent(upload);
		
		return mainLayout;
	}

	@Override
	public void uploadSucceeded(SucceededEvent event) {
		this.filename = event.getFilename();
		this.close();
	}

	@Override
	public OutputStream receiveUpload(String filename, String mimeType) {
		//
		// Try to create the output stream
		//
		try {
			return new FileOutputStream(filename);
		} catch (FileNotFoundException e) {
			logger.error("Failed to create uploaded file", e);
		}
		return null;
	}
	
	public String	getUploadedFile() {
		return this.filename;
	}

}