filemanageutil.java

Java SWT代码

package com;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Map.Entry;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;

/**
 * 
 * @author NJ
 *
 */
public class FileManageUtil {
	public static final String STR_CorrespondingDirectory="对应路径";
	public static Map<String,String[]> getFileDialog(){
		FileDialog fileDialog=new FileDialog(Display.getCurrent().getActiveShell(),SWT.MULTI);
		fileDialog.open();
		
		if(fileDialog.getFilterPath()==null){
			return null;
		}
		
		String[] strFileName=fileDialog.getFileNames();
		Map<String,String[]> mapFiles=new HashMap<String, String[]>();
		
		mapFiles.put(fileDialog.getFilterPath(), strFileName);
		
		return mapFiles;
	}
	
	public static String getDirectory(){
		DirectoryDialog directDialog=new DirectoryDialog(Display.getCurrent().getActiveShell(),SWT.MULTI);
		String strDirectory=directDialog.open();
		
		return strDirectory;
	}
	

	public static void saveFileName(String strType){
		Map<String,String[]> mapFiles=FileManageUtil.getFileDialog();
		
		if(mapFiles==null){
			return;
		}
		
		Properties properties=InitProperties.getProperties(strType);
		for (Iterator iter = mapFiles.entrySet().iterator(); iter.hasNext();) {
			Entry<String, String[]> element = (Entry<String, String[]>) iter.next();
			
			for (int i = 0; i < element.getValue().length; i++) {
				properties.put(element.getValue()[i], element.getKey()+"\\"+element.getValue()[i]);
			}
		}
		
		InitProperties.saveProperties(properties,strType);
	} 
	
	public static void saveDirectory(String strType){
		String strDir=FileManageUtil.getDirectory();
		
		if(strDir==null){
			return;
		}
		
		Properties properties=InitProperties.getProperties(strType);
		
		String strFileName=strDir.substring(strDir.lastIndexOf("\\")+1, strDir.length());
		
		if(strFileName==null || strFileName.equals("")){
			strFileName=strDir;
		}
		
		properties.put(strFileName, strDir);
		
		InitProperties.saveProperties(properties,strType);
	}
	
	public static void saveCorrespondingDirectory(String strType){
		String strDir=FileManageUtil.getDirectory();
		
		if(strDir==null){
			return;
		}
		
		Properties properties=InitProperties.getProperties(strType);
		 
		List listCk=InitProperties.getCorrespodingKey(properties);
		
		if(listCk.isEmpty()){
			properties.put(STR_CorrespondingDirectory, strDir);
			
		}else{
			List listCd=new ArrayList();
			int intMaxIndex=0;
			for (Iterator iter = listCk.iterator(); iter.hasNext();) {
				String strCk = (String) iter.next();
				String strIndex=strCk.replaceAll(STR_CorrespondingDirectory, "");
				if(strIndex==null || strIndex.equals("")){
					intMaxIndex=1;					
				}else{
					listCd.add(Integer.valueOf(strIndex));
				}
			}
			Collections.sort(listCd);
			
			if(!listCd.isEmpty()){
				intMaxIndex=((Integer) listCd.get(listCd.size()-1)).intValue()+1;
			}
			
			properties.put(STR_CorrespondingDirectory+intMaxIndex, strDir);
		}
		
		InitProperties.saveProperties(properties,strType);
	} 
}