org.cloudata.tools.cloudatafs.WebUtil.java Source code

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/**
 * 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.cloudata.tools.cloudatafs;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Comparator;

import org.apache.commons.fileupload.FileItem;
import org.cloudata.core.common.conf.CloudataConf;

/**
 * @author jindolk
 *
 */
public class WebUtil {
    static class FileNodeComparator implements Comparator<FileNode> {
        String sortField;
        boolean asc;

        public FileNodeComparator(String sortField, boolean asc) {
            this.sortField = sortField;
            this.asc = asc;
        }

        @Override
        public int compare(FileNode o1, FileNode o2) {
            FileNode f1 = o1;
            FileNode f2 = o2;
            if (!asc) {
                f1 = o2;
                f2 = o1;
            }

            if ("name".equals(sortField)) {
                return f1.getPath().compareTo(f2.getPath());
            } else if ("date".equals(sortField)) {
                return (new Long(f1.getDate())).compareTo(new Long(f2.getDate()));
            } else if ("size".equals(sortField)) {
                return (new Long(f1.getLength())).compareTo(new Long(f2.getLength()));
            } else if ("type".equals(sortField)) {
                return (new Integer(f1.getType())).compareTo(new Integer(f2.getType()));
                //        if(f1.getType() == f2.getType()) {
                //          return f1.getPath().compareTo(f2.getPath());
                //        } else {
                //          
                //        }
            } else {
                return f1.getPath().compareTo(f2.getPath());
            }
        }
    }

    public static String listDir(CloudataFS fs, String path, String sortField, String orderBy) throws IOException {
        if (sortField == null || sortField.length() == 0) {
            sortField = "name";
        }

        if (orderBy == null || orderBy.length() == 0) {
            orderBy = "asc";
        }

        FileNode[] fileNodes = fs.listFileNode(path);

        if (fileNodes == null) {
            fileNodes = new FileNode[] {};
        }
        StringBuilder sb = new StringBuilder();

        sb.append("{ \"page\":\"1\",");
        sb.append("\"total\":\"" + fileNodes.length + "\",");
        sb.append("\"records\":\"" + fileNodes.length + "\",");
        sb.append("\"rows\":[");

        Arrays.sort(fileNodes, new FileNodeComparator(sortField, "asc".equals(orderBy)));

        //    sb.append("{");
        //    sb.append((new ParentFileNode(CloudataFS.getParentPath(path))).toJsonString());
        //    sb.append("}");
        int index = 0;

        for (FileNode fileNode : fileNodes) {
            sb.append("{");
            sb.append(fileNode.toJsonString("file_" + index));
            sb.append("}");
            if (index < fileNodes.length - 1) {
                sb.append(",");
            }
            index++;
        }
        sb.append("]}");

        //System.out.println(sb.toString());

        return sb.toString();
    }

    public static String getImage(FileNode fileNode) {
        String imagePath = "lib/jqueryFileTree/";

        if (fileNode.getType() == FileNode.DIR) {
            return imagePath + "images/directory.png";
        }
        String ext = fileNode.getExt();
        if (ext == null) {
            return imagePath + "images/file.png";
        }
        if (ext.equals("..")) {
            return null;
        }

        if (ext.equals("3gp")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("afp")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("afpa")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("asp")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("aspx")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("avi")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("bat")) {
            return imagePath + "images/application.png";
        }
        if (ext.equals("bmp")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("c")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("cfm")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("cgi")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("com")) {
            return imagePath + "images/application.png";
        }
        if (ext.equals("cpp")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("css")) {
            return imagePath + "images/css.png";
        }
        if (ext.equals("doc")) {
            return imagePath + "images/doc.png";
        }
        if (ext.equals("docx")) {
            return imagePath + "images/doc.png";
        }
        if (ext.equals("exe")) {
            return imagePath + "images/application.png";
        }
        if (ext.equals("gif")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("fla")) {
            return imagePath + "images/flash.png";
        }
        if (ext.equals("h")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("htm")) {
            return imagePath + "images/html.png";
        }
        if (ext.equals("html")) {
            return imagePath + "images/html.png";
        }
        if (ext.equals("jar")) {
            return imagePath + "images/java.png";
        }
        if (ext.equals("jpg")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("jpeg")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("js")) {
            return imagePath + "images/script.png";
        }
        if (ext.equals("lasso")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("log")) {
            return imagePath + "images/txt.png";
        }
        if (ext.equals("m4p")) {
            return imagePath + "images/music.png";
        }
        if (ext.equals("mov")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("mp3")) {
            return imagePath + "images/music.png";
        }
        if (ext.equals("mp4")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("mpg")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("mpeg")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("ogg")) {
            return imagePath + "images/music.png";
        }
        if (ext.equals("pcx")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("pdf")) {
            return imagePath + "images/pdf.png";
        }
        if (ext.equals("php")) {
            return imagePath + "images/php.png";
        }
        if (ext.equals("png")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("ppt")) {
            return imagePath + "images/ppt.png";
        }
        if (ext.equals("pptx")) {
            return imagePath + "images/ppt.png";
        }
        if (ext.equals("psd")) {
            return imagePath + "images/psd.png";
        }
        if (ext.equals("pl")) {
            return imagePath + "images/script.png";
        }
        if (ext.equals("py")) {
            return imagePath + "images/script.png";
        }
        if (ext.equals("rb")) {
            return imagePath + "images/ruby.png";
        }
        if (ext.equals("rbx")) {
            return imagePath + "images/ruby.png";
        }
        if (ext.equals("rhtml")) {
            return imagePath + "images/ruby.png";
        }
        if (ext.equals("rpm")) {
            return imagePath + "images/linux.png";
        }
        if (ext.equals("ruby")) {
            return imagePath + "images/ruby.png";
        }
        if (ext.equals("sql")) {
            return imagePath + "images/db.png";
        }
        if (ext.equals("swf")) {
            return imagePath + "images/flash.png";
        }
        if (ext.equals("tif")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("tiff")) {
            return imagePath + "images/picture.png";
        }
        if (ext.equals("txt")) {
            return imagePath + "images/txt.png";
        }
        if (ext.equals("vb")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("wav")) {
            return imagePath + "images/music.png";
        }
        if (ext.equals("wmv")) {
            return imagePath + "images/film.png";
        }
        if (ext.equals("xls")) {
            return imagePath + "images/xls.png";
        }
        if (ext.equals("xlsx")) {
            return imagePath + "images/xls.png";
        }
        if (ext.equals("xml")) {
            return imagePath + "images/code.png";
        }
        if (ext.equals("zip")) {
            return imagePath + "images/zip.png";
        }

        return imagePath + "images/file.png";
    }

    public static void saveFile(CloudataConf conf, FileItem fileItem, String parentPath) throws IOException {
        BufferedInputStream uploadedStream = new BufferedInputStream(fileItem.getInputStream());
        CloudataFS fs = CloudataFS.get(conf);
        //BufferedOutputStream serverFileOut = new BufferedOutputStream(new FileOutputStream("c:/temp/bb/" + fileItem.getName()));
        BufferedOutputStream serverFileOut = new BufferedOutputStream(fs.create(parentPath + fileItem.getName()));

        try {
            byte[] buf = new byte[4096];
            int readLen = 0;
            while ((readLen = uploadedStream.read(buf)) > 0) {
                serverFileOut.write(buf, 0, readLen);
            }
        } finally {
            serverFileOut.close();
            uploadedStream.close();
        }

        fileItem.delete();
    }
}