uploadhelper.java

用Hibernate开发的JiveJdon

/*
 * Copyright 2003-2006 the original author or authors.
 * Licensed 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 com.jdon.jivejdon.model.message.upload;

import java.util.ArrayList;
import java.util.List;

/**
 * @author banq(http://www.jdon.com)
 *
 */
public class UploadHelper {
    private List imagesTypes;
    
    private List othersTypes;
    
    
    private List fileTypes;
    
    public UploadHelper() {
        imagesTypes = new ArrayList(5);
        imagesTypes.add("gif");
        imagesTypes.add("jpg");
        imagesTypes.add("png");
        imagesTypes.add("bmp");
        
        othersTypes = new ArrayList(10);
        othersTypes.add("rar");
        othersTypes.add("zip");
        othersTypes.add("swf");
        othersTypes.add("wmv");
        othersTypes.add("mp3");
        othersTypes.add("txt");
        othersTypes.add("doc");
        othersTypes.add("xls");
        othersTypes.add("xml");
        othersTypes.add("ppt");
        
        fileTypes = new ArrayList(20);
        fileTypes.addAll(imagesTypes);
        fileTypes.addAll(othersTypes);
    }
    
    public boolean isImage(String fileName){
        int extInt = fileName.lastIndexOf(".");
        String ext = fileName.substring(extInt+1);
        if (imagesTypes.contains(ext))
            return true;
        else 
            return false;
    }
    
    
    public boolean isOthersTypes(String fileName){
        int extInt = fileName.lastIndexOf(".");
        String ext = fileName.substring(extInt+1);
        if (othersTypes.contains(ext))
            return true;
        else 
            return false;
    }
    
    public boolean canBeUpload(String fileName){
        int extInt = fileName.lastIndexOf(".");
        String ext = fileName.substring(extInt+1);
        if (fileTypes.contains(ext))
            return true;
        else 
            return false;
    }
    
    
    
    
    /**
     * @return Returns the fileTypes.
     */
    public List getFileTypes() {
        return fileTypes;
    }
    /**
     * @param fileTypes The fileTypes to set.
     */
    public void setFileTypes(List fileTypes) {
        this.fileTypes = fileTypes;
    }
    /**
     * @return Returns the imagesTypes.
     */
    public List getImagesTypes() {
        return imagesTypes;
    }
    /**
     * @param imagesTypes The imagesTypes to set.
     */
    public void setImagesTypes(List imagesTypes) {
        this.imagesTypes = imagesTypes;
    }
    /**
     * @return Returns the othersTypes.
     */
    public List getOthersTypes() {
        return othersTypes;
    }
    /**
     * @param othersTypes The othersTypes to set.
     */
    public void setOthersTypes(List othersTypes) {
        this.othersTypes = othersTypes;
    }
}