package org.jboss.tools.esb.project.ui.utils;import java.io.BufferedWriter;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.Writer;import java.util.ArrayList;import java.util.List;/** * @author Grid Qian */public class UIUtils{ /** * A default padding value for horizontalResize(). */ public final static int DEFAULT_PADDING = 35; String infoPopid_; public UIUtils(String infoPopid) { infoPopid_ = infoPopid; } public static void writePropertyToFile(File file, String key, String value) throws IOException { Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "8859_1")); out.write(key + "=" + value + "\n"); out.close(); } // file util public static void copyFile(String src, String dest) { InputStream is = null; FileOutputStream fos = null; try { is = new FileInputStream(src); fos = new FileOutputStream(dest); int c = 0; byte[] array = new byte[1024]; while ((c = is.read(array)) >= 0) { fos.write(array, 0, c); } } catch (IOException e) { e.printStackTrace(); } finally { try { fos.close(); is.close(); } catch (IOException e) { e.printStackTrace(); } } } public static File createFileAndParentDirectories(String fileName) throws Exception { File file = new File(fileName); File parent = file.getParentFile(); if (!parent.exists()) { parent.mkdirs(); } file.createNewFile(); return file; } /**删除文件*/
public static boolean deleteDir(File dir) { if (dir.isDirectory()) { String[] children = dir.list(); for (int i = 0; i < children.length; i++) { boolean success = deleteDir(new File(dir, children[i])); if (!success) { return false; } } } return dir.delete(); }/***删除文件目录*/ public static void deleteDirectories(File dir) { File[] children = dir.listFiles(); for (int i = 0; i < children.length; i++) { if (children[i].list() != null && children[i].list().length > 0) { deleteDirectories(children[i]); } else { children[i].delete(); } } dir.delete(); }/***删除文件目录*/ public static void deleteDirectories(String dir) { File directory = new File(dir); deleteDirectories(directory); }/***创建文件*/ public static void createTargetFile(String sourceFileName, String targetFileName) throws Exception { createTargetFile(sourceFileName, targetFileName, false); }/***创建文件是否覆盖*/ public static void createTargetFile(String sourceFileName, String targetFileName, boolean overwrite) throws Exception { File idealResultFile = new File(targetFileName); if (overwrite || !idealResultFile.exists()) { createFileAndParentDirectories(targetFileName); copyFile(sourceFileName, targetFileName); } }/***创建文件目录*/ public static boolean createDirectory(String directory) { // Create a directory; all ancestor directories must exist boolean success = (new File(directory)).mkdir(); if (!success) { // Directory creation failed } return success; }/***创建文件目录*/ public static boolean createDirectorys(String directory) { // Create a directory; all ancestor directories must exist boolean success = (new File(directory)).mkdirs(); if (!success) { // Directory creation failed } return success; } // Copies all files under srcDir to dstDir. // If dstDir does not exist, it will be created./**复制文件目录*/ public static void copyDirectory(File srcDir, File dstDir) throws IOException { if (srcDir.isDirectory()) { if (!dstDir.exists()) { dstDir.mkdir(); } String[] children = srcDir.list(); for (int i = 0; i < children.length; i++) { copyDirectory(new File(srcDir, children[i]), new File(dstDir, children[i])); } } else { copy(srcDir, dstDir); } } // Copies src file to dst file. // If the dst file does not exist, it is created/**复制文件*/ public static void copy(File src, File dst) throws IOException { InputStream in = new FileInputStream(src); OutputStream out = new FileOutputStream(dst); // Transfer bytes from in to out byte[] buf = new byte[1024]; int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } in.close(); out.close(); } public static String addAnotherNodeToPath(String currentPath, String newNode) { return currentPath + File.separator + newNode; } public static String addNodesToPath(String currentPath, String[] newNode) { String returnPath = currentPath; for (int i = 0; i < newNode.length; i++) { returnPath = returnPath + File.separator + newNode[i]; } return returnPath; } public static String addNodesToPath(StringBuffer currentPath, String[] pathNodes) { for (int i = 0; i < pathNodes.length; i++) { currentPath.append(File.separator); currentPath.append(pathNodes[i]); } return currentPath.toString(); } public static String addNodesToURL(String currentPath, String[] newNode) { String returnPath = currentPath; for (int i = 0; i < newNode.length; i++) { returnPath = returnPath + "/" + newNode[i]; } return returnPath; } /** * Get the list of file with a prefix of <code>fileNamePrefix</code> & an extension of <code>extension</code> * * @param sourceDir The directory in which to search the files * @param fileNamePrefix The prefix to look for * @param extension The extension to look for * @return The list of file with a prefix of <code>fileNamePrefix</code> & an extension of * <code>extension</code> */ public static File[] getMatchingFiles(String sourceDir, String fileNamePrefix, String extension) { List<File> fileList = new ArrayList<File>(); File libDir = new File(sourceDir); String libDirPath = libDir.getAbsolutePath(); String[] items = libDir.list(); if (items != null) { for (int i = 0; i < items.length; i++) { String item = items[i]; if (fileNamePrefix != null && extension != null) { if (item.startsWith(fileNamePrefix) && item.endsWith(extension)) { fileList.add(new File(libDirPath + File.separator + item)); } } else if (fileNamePrefix == null && extension != null) { if (item.endsWith(extension)) { fileList.add(new File(libDirPath + File.separator + item)); } } else if (fileNamePrefix != null && extension == null) { if (item.startsWith(fileNamePrefix)) { fileList.add(new File(libDirPath + File.separator + item)); } } else { fileList.add(new File(libDirPath + File.separator + item)); } } return (File[]) fileList.toArray(new File[fileList.size()]); } return new File[0]; } /** * Filter out files inside a <code>sourceDir</code> with matching <codefileNamePrefix></code> and * <code>extension</code> * * @param sourceDir The directory to filter the files * @param fileNamePrefix The filtering filename prefix * @param extension The filtering file extension */ public static void filterOutRestrictedFiles(String sourceDir, String fileNamePrefix, String extension) { File[] resultedMatchingFiles = getMatchingFiles(sourceDir, fileNamePrefix, extension); for (int i = 0; i < resultedMatchingFiles.length; i++) { File matchingFilePath = new File(resultedMatchingFiles[i].getAbsolutePath()); matchingFilePath.delete(); } }}
