Java 文件 Util

 import java.io.BufferedReader;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;import java.util.ArrayList;import com.paic.is.dispatch.TMPEntry;public class FileUtil {public static File getFileByRelativePath(String relativePath){String absoluteFilePath = ProjectConfig.getApplicationRootPath() + File.separator + relativePath;return new File(absoluteFilePath);}public static String getInjectedFEFileContent(String relativeFilePath, String fileContent){String FEString = readFEFileContent(relativeFilePath);return fileContent + "/n" + FEString;}public static String readFEFileContent(String relativeFilePath){String absoluteFilePath = ProjectConfig.getApplicationRootPath() +File.separator + relativeFilePath;File FEFile = new File(absoluteFilePath);StringBuffer sb = new StringBuffer();if(FEFile.exists() && FEFile.canRead() && !FEFile.isDirectory()){FileReader fr = null;BufferedReader bReader = null;try{fr = new FileReader(FEFile);bReader = new BufferedReader(fr);String line = null;while((line = bReader.readLine()) != null){sb.append("/n" +line);}}catch(FileNotFoundException ex){ExceptionDefaultHandler.handle(ex,TMPEntry.getCurrentTMPFileName() + ".log");}catch(IOException ex){ExceptionDefaultHandler.handle(ex,TMPEntry.getCurrentTMPFileName() + ".log");}finally{try{if(null != bReader){bReader.close();}if(null != fr){fr.close();}}catch(Exception exception){ExceptionDefaultHandler.handle(exception,TMPEntry.getCurrentTMPFileName() + ".log");}}}else{ThreadLog.MakeLog("We can not find the file : " +relativeFilePath,TMPEntry.getCurrentTMPFileName() + ".log");}return sb.toString();}public static ArrayList<String> getChildrenAbsoluteFilePath(String parentAbsoluteFilePath, String filter){ArrayList<String> childrenFileAbsoluteFilePath = new ArrayList<String>();int filterLength = filter.length();File parentDirectory = new File(parentAbsoluteFilePath);if(parentDirectory.isDirectory()){File[] childrenFiles = parentDirectory.listFiles();if(null != childrenFiles && childrenFiles.length > 0){for(int i=0; i<childrenFiles.length; i++){File currentFile = childrenFiles[i];String currentFileName = currentFile.getName().toLowerCase();int startIndex = currentFileName.lastIndexOf(filter.toLowerCase());if(currentFileName.length() - startIndex == filterLength){childrenFileAbsoluteFilePath.add(currentFile.getAbsolutePath());}}}}return childrenFileAbsoluteFilePath;}}