com.krawler.svnwebclient.util.Uploader.java Source code

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Here is the source code for com.krawler.svnwebclient.util.Uploader.java

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/*
 * Copyright (C) 2012  Krawler Information Systems Pvt Ltd
 * All rights reserved.
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
package com.krawler.svnwebclient.util;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.fileupload.DiskFileUpload;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.log4j.Logger;

import com.krawler.common.session.SessionExpiredException;
import com.krawler.esp.handlers.AuthHandler;
import com.krawler.esp.handlers.StorageHandler;
import com.krawler.svnwebclient.configuration.ConfigurationException;
import com.krawler.svnwebclient.web.support.FormParameters;

public class Uploader {

    protected Map parameters = new HashMap();
    protected boolean isUploaded;
    protected String errorMessage;
    private boolean flagType;

    public void doPost(HttpServletRequest request, HttpServletResponse responce, String destinationDirectory,
            String tempDirectory) throws SessionExpiredException {
        File tempDir = new File(tempDirectory);
        String sep = StorageHandler.GetFileSeparator();
        if (!tempDir.exists()) {
            tempDir.mkdirs();
        }
        DiskFileUpload fu = new DiskFileUpload();
        // maximum size before a FileUploadException will be thrown
        fu.setSizeMax(-1);
        // maximum size that will be stored in memory
        fu.setSizeThreshold(4096);
        // the location for saving data that is larger than getSizeThreshold()
        fu.setRepositoryPath(tempDirectory);
        List fileItems = null;
        try {
            fileItems = fu.parseRequest(request);
        } catch (FileUploadException e) {
            Logger.getInstance(Uploader.class).error(e, e);
        }
        String docid1 = null;
        String docownerid = null;
        for (Iterator k = fileItems.iterator(); k.hasNext();) {
            FileItem fi1 = (FileItem) k.next();
            try {
                if (fi1.getFieldName().toString().equals("docid")) {
                    docid1 = new String(fi1.getString().getBytes(), "UTF8");
                }
                if (fi1.getFieldName().toString().equals("docownerid")) {
                    docownerid = new String(fi1.getString().getBytes(), "UTF8");
                }
            } catch (UnsupportedEncodingException e) {
                // Logger.getInstance(Uploader.class).error(e, e);
            }
        }
        if (docid1.equals("")) {
            docid1 = UUID.randomUUID().toString();
            this.setFlagType(true);
            docownerid = AuthHandler.getUserid(request);
        } else {
            this.setFlagType(false);
        }
        try {
            if (docownerid.equalsIgnoreCase("my")) {
                docownerid = AuthHandler.getUserid(request);
            }
            destinationDirectory = com.krawler.esp.handlers.StorageHandler.GetDocStorePath() + sep + docownerid;
        } catch (ConfigurationException ex) {
            this.isUploaded = false;
            this.errorMessage = "Problem occurred while uploading file";
            return;
        }
        File destDir = new File(destinationDirectory);
        if (!destDir.exists()) {
            destDir.mkdirs();
        }
        this.parameters.put("destinationDirectory", destinationDirectory);
        for (Iterator i = fileItems.iterator(); i.hasNext();) {
            FileItem fi = (FileItem) i.next();

            /*
             * try{ String docid1 = fi.getString("docid"); }catch(Exception e){}
             */
            if (fi.isFormField()) {
                try {
                    if (fi.getFieldName().toString().equals("docid")
                            && new String(fi.getString().getBytes(), "UTF8").equals("")) {
                        this.parameters.put(fi.getFieldName(), docid1);
                    } else {
                        this.parameters.put(fi.getFieldName(), new String(fi.getString().getBytes(), "UTF8"));
                    }
                } catch (UnsupportedEncodingException e) {
                    Logger.getInstance(Uploader.class).error(e, e);
                }
            } else {
                // filename on the client
                String fileName = null;

                try {
                    fileName = new String(fi.getName().getBytes(), "UTF8");
                    // org.tmatesoft.svn.core.internal.wc.SVNFileUtil.isExecutable(fi);
                    String filext = "";
                    if (fileName.contains("."))
                        filext = fileName.substring(fileName.lastIndexOf("."));

                    if (fi.getSize() != 0) {
                        this.isUploaded = true;

                        // write the file
                        File uploadFile = new File(
                                destinationDirectory + sep + FileUtil.getLastPathElement(docid1 + filext));
                        fi.write(uploadFile);
                        this.parameters.put("svnName", uploadFile.getName());
                        if (filext.equals("")) {
                            this.parameters.put("fileExt", filext);
                        } else {
                            this.parameters.put("fileExt", filext.substring(1));
                        }
                    } else {
                        this.isUploaded = false;
                        this.errorMessage = "Cannot upload a 0 byte file";
                    }
                } catch (Exception e) {
                    this.isUploaded = false;
                    this.errorMessage = "Problem occurred while uploading file";
                    Logger.getInstance(Uploader.class).error(e, e);
                }
                this.parameters.put(FormParameters.FILE_NAME, FileUtil.getLastPathElement(fileName));
            }
        }
    }

    public boolean isUploaded() {
        return isUploaded;
    }

    public String errorMessage() {
        return errorMessage;
    }

    public Map getParameters() {
        return parameters;
    }

    public boolean isFlagType() {
        return flagType;
    }

    public void setFlagType(boolean flagType) {
        this.flagType = flagType;
    }
}