Java tutorial
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We also recommend that a * file or class name and description of purpose be included on the * same "printed page" as the copyright notice for easier * identification within third-party archives. * * Copyright 2016 Alibaba Group * * 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.taobao.android.builder.tools.zip; /** * Created by bisheng.dongbs on 16/6/24. */ import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.Closeable; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.ArrayList; import java.util.Enumeration; import java.util.List; import java.util.Map; import java.util.regex.Pattern; import java.util.zip.CRC32; import java.util.zip.ZipEntry; import java.util.zip.ZipInputStream; import java.util.zip.ZipOutputStream; import org.apache.commons.compress.archivers.zip.ZipArchiveEntry; import org.apache.commons.compress.archivers.zip.ZipFile; import org.apache.commons.io.FilenameUtils; import org.apache.commons.io.IOUtils; import org.codehaus.plexus.util.StringUtils; import org.gradle.api.GradleException; import static java.util.zip.ZipEntry.STORED; /** * */ public class ZipUtils { /** * <p> * unzip. * </p> * * @param zipFile a {@link java.io.File} object. * @param destination a {@link String} object. * @return a {@link java.util.List} object. */ public static List<String> unzip(final File zipFile, final String destination) { return unzip(zipFile, destination, null); } /** * <p> * unzip. * </p> * * @param zipFile a {@link java.io.File} object. * @param destination a {@link String} object. * @param encoding a {@link String} object. * @return a {@link java.util.List} object. */ public static List<String> unzip(final File zipFile, final String destination, String encoding) { List<String> fileNames = new ArrayList<String>(); String dest = destination; if (!destination.endsWith(File.separator)) { dest = destination + File.separator; } ZipFile file; try { file = null; if (null == encoding) { file = new ZipFile(zipFile); } else { file = new ZipFile(zipFile, encoding); } Enumeration<ZipArchiveEntry> en = file.getEntries(); ZipArchiveEntry ze = null; while (en.hasMoreElements()) { ze = en.nextElement(); File f = new File(dest, ze.getName()); if (ze.isDirectory()) { f.mkdirs(); continue; } else { f.getParentFile().mkdirs(); InputStream is = file.getInputStream(ze); OutputStream os = new FileOutputStream(f); IOUtils.copy(is, os); is.close(); os.close(); fileNames.add(f.getAbsolutePath()); } } file.close(); } catch (IOException e) { e.printStackTrace(); } return fileNames; } /** * <p> * isZipFile. * </p> * * @param zipFile a {@link java.io.File} object. * @return a boolean. */ public static boolean isZipFile(File zipFile) { try { ZipFile zf = new ZipFile(zipFile); boolean isZip = zf.getEntries().hasMoreElements(); zf.close(); return isZip; } catch (IOException e) { return false; } } private static String getFileName(File folder, File file) { String name = StringUtils.replace(file.getAbsolutePath(), folder.getAbsolutePath() + "/", ""); return name; } public static List<String> listZipEntries(File zipFile) { List<String> list = new ArrayList<String>(); ZipFile zip; try { zip = new ZipFile(zipFile); Enumeration<ZipArchiveEntry> en = zip.getEntries(); ZipArchiveEntry ze = null; while (en.hasMoreElements()) { ze = en.nextElement(); String name = ze.getName(); name = StringUtils.replace(name, "/", "."); if (name.endsWith(".class")) { list.add(name); } } if (null != zip) { ZipFile.closeQuietly(zip); } } catch (IOException e) { } return list; } /** * zip? * * @param zipFile * @param path * @param destFolder * @throws java.io.IOException */ public static File extractZipFileToFolder(File zipFile, String path, File destFolder) { ZipFile zip; File destFile = null; try { zip = new ZipFile(zipFile); ZipArchiveEntry zipArchiveEntry = zip.getEntry(path); if (null != zipArchiveEntry) { String name = zipArchiveEntry.getName(); name = FilenameUtils.getName(name); destFile = new File(destFolder, name); FileMkUtils.mkdirs(destFolder); destFile.createNewFile(); InputStream is = zip.getInputStream(zipArchiveEntry); FileOutputStream fos = new FileOutputStream(destFile); int length = 0; byte[] b = new byte[1024]; while ((length = is.read(b, 0, 1024)) != -1) { fos.write(b, 0, length); } is.close(); fos.close(); } if (null != zip) { ZipFile.closeQuietly(zip); } } catch (IOException e) { throw new GradleException(e.getMessage(), e); } return destFile; } /** * zip * * @param zipFile * @param file * @param destPath * @param overwrite ? * @throws java.io.IOException */ public static void addFileToZipFile(File zipFile, File outZipFile, File file, String destPath, boolean overwrite) throws IOException { byte[] buf = new byte[1024]; ZipInputStream zin = new ZipInputStream(new FileInputStream(zipFile)); ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outZipFile)); ZipEntry entry = zin.getNextEntry(); boolean addFile = true; while (entry != null) { boolean addEntry = true; String name = entry.getName(); if (StringUtils.equalsIgnoreCase(name, destPath)) { if (overwrite) { addEntry = false; } else { addFile = false; } } if (addEntry) { ZipEntry zipEntry = null; if (STORED == entry.getMethod()) { zipEntry = new ZipEntry(entry); } else { zipEntry = new ZipEntry(name); } out.putNextEntry(zipEntry); int len; while ((len = zin.read(buf)) > 0) { out.write(buf, 0, len); } } entry = zin.getNextEntry(); } if (addFile) { InputStream in = new FileInputStream(file); // Add ZIP entry to output stream. ZipEntry zipEntry = new ZipEntry(destPath); out.putNextEntry(zipEntry); // Transfer bytes from the file to the ZIP file int len; while ((len = in.read(buf)) > 0) { out.write(buf, 0, len); } // Complete the entry out.closeEntry(); in.close(); } // Close the streams zin.close(); out.close(); } /** * ?zip?solib? * * @param output * @param srcDir * @throws Exception */ public static void addFileAndDirectoryToZip(File output, File srcDir) throws Exception { if (output.isDirectory()) { throw new IOException("This is a directory!"); } if (!output.getParentFile().exists()) { output.getParentFile().mkdirs(); } if (!output.exists()) { output.createNewFile(); } List fileList = getSubFiles(srcDir); ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(output)); ZipEntry ze = null; byte[] buf = new byte[1024]; int readLen = 0; for (int i = 0; i < fileList.size(); i++) { File f = (File) fileList.get(i); ze = new ZipEntry(getAbsFileName(srcDir.getPath(), f)); ze.setSize(f.length()); ze.setTime(f.lastModified()); zos.putNextEntry(ze); InputStream is = new BufferedInputStream(new FileInputStream(f)); while ((readLen = is.read(buf, 0, 1024)) != -1) { zos.write(buf, 0, readLen); } is.close(); } zos.close(); } private static String getAbsFileName(String baseDir, File realFileName) { File real = realFileName; File base = new File(baseDir); String ret = real.getName(); while (true) { real = real.getParentFile(); if (real == null) { break; } if (real.equals(base)) { break; } else { ret = real.getName() + "/" + ret; } } return ret; } private static List getSubFiles(File baseDir) { List ret = new ArrayList(); File[] tmp = baseDir.listFiles(); for (int i = 0; i < tmp.length; i++) { if (tmp[i].isFile()) { ret.add(tmp[i]); } if (tmp[i].isDirectory()) { ret.addAll(getSubFiles(tmp[i])); } } return ret; } /** * zip? * * @param zipFile * @param pathName * @return */ public static boolean isFolderExist(File zipFile, String pathName) { ZipFile file = null; try { file = new ZipFile(zipFile); Enumeration<ZipArchiveEntry> en = file.getEntries(); while (en.hasMoreElements()) { ZipArchiveEntry entry = en.nextElement(); String name = entry.getName(); if (name.startsWith(pathName)) { return true; } } return false; } catch (IOException e) { } finally { if (null != file) { try { file.close(); } catch (IOException e) { } } } return false; } public static boolean removeZipEntry(File file, Pattern pattern, File targetFile) throws FileNotFoundException, IOException { byte[] buffer = new byte[1024]; java.util.zip.ZipFile zipFile = new java.util.zip.ZipFile(file); ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(targetFile))); BufferedOutputStream bo = new BufferedOutputStream(out); InputStream inputStream; Enumeration enumeration = zipFile.entries(); while (enumeration.hasMoreElements()) { ZipEntry zipEntry = (ZipEntry) enumeration.nextElement(); String name = zipEntry.getName(); if (pattern.matcher(name).find()) { continue; } out.putNextEntry(zipEntry); inputStream = zipFile.getInputStream(zipEntry); write(inputStream, out, buffer); bo.flush(); } closeQuitely(zipFile); closeQuitely(out); closeQuitely(bo); return true; } private static void write(InputStream inputStream, ZipOutputStream out, byte[] buffer) throws IOException { int length = inputStream.read(buffer); while (length != -1) { out.write(buffer, 0, length); length = inputStream.read(buffer); } closeQuitely(inputStream); } private static void closeQuitely(Closeable closeable) throws IOException { if (closeable != null) { closeable.close(); } } public static List<String> unzip(final File zipFile, final String destination, String encoding, Map<String, ZipEntry> zipEntryMethodMap) { return unzip(zipFile, destination, encoding, zipEntryMethodMap, false); } public static List<String> unzip(final File zipFile, final String destination, String encoding, Map<String, ZipEntry> zipEntryMethodMap, boolean isRelativePath) { List<String> fileNames = new ArrayList<String>(); String dest = destination; if (!destination.endsWith(File.separator)) { dest = destination + File.separator; } ZipFile file; try { file = null; if (null == encoding) { file = new ZipFile(zipFile); } else { file = new ZipFile(zipFile, encoding); } Enumeration<ZipArchiveEntry> en = file.getEntries(); ZipArchiveEntry ze = null; while (en.hasMoreElements()) { ze = en.nextElement(); File f = new File(dest, ze.getName()); if (ze.isDirectory()) { f.mkdirs(); continue; } else { f.getParentFile().mkdirs(); InputStream is = file.getInputStream(ze); OutputStream os = new FileOutputStream(f); IOUtils.copy(is, os); is.close(); os.close(); fileNames.add(f.getAbsolutePath()); if (zipEntryMethodMap != null && ze.getMethod() == STORED) { zipEntryMethodMap.put(isRelativePath ? ze.getName() : f.getAbsolutePath(), ze); } } } file.close(); } catch (IOException e) { e.printStackTrace(); } return fileNames; } public static void addFileAndDirectoryToZip(File output, File srcDir, Map<String, ZipEntry> zipEntryMethodMap) throws Exception { if (output.isDirectory()) { throw new IOException("This is a directory!"); } if (!output.getParentFile().exists()) { output.getParentFile().mkdirs(); } if (!output.exists()) { output.createNewFile(); } List fileList = getSubFiles(srcDir); ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(output)); ZipEntry ze = null; byte[] buf = new byte[1024]; int readLen = 0; for (int i = 0; i < fileList.size(); i++) { File f = (File) fileList.get(i); ze = new ZipEntry(getAbsFileName(srcDir.getPath(), f)); ze.setSize(f.length()); ze.setTime(f.lastModified()); if (zipEntryMethodMap != null) { ZipEntry originEntry = zipEntryMethodMap.get(f.getAbsolutePath()); if (originEntry != null) { ze.setCompressedSize(originEntry.getCompressedSize()); ze.setCrc(originEntry.getCrc()); ze.setMethod(originEntry.getMethod()); } } zos.putNextEntry(ze); InputStream is = new BufferedInputStream(new FileInputStream(f)); while ((readLen = is.read(buf, 0, 1024)) != -1) { zos.write(buf, 0, readLen); } is.close(); } zos.close(); } public static void rezip(File output, File srcDir, Map<String, ZipEntry> zipEntryMethodMap) throws Exception { if (output.isDirectory()) { throw new IOException("This is a directory!"); } if (!output.getParentFile().exists()) { output.getParentFile().mkdirs(); } if (!output.exists()) { output.createNewFile(); } List fileList = getSubFiles(srcDir); ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(output)); ZipEntry ze = null; byte[] buf = new byte[1024]; int readLen = 0; for (int i = 0; i < fileList.size(); i++) { File f = (File) fileList.get(i); ze = new ZipEntry(getAbsFileName(srcDir.getPath(), f)); ze.setSize(f.length()); ze.setTime(f.lastModified()); if (zipEntryMethodMap != null) { ZipEntry originEntry = zipEntryMethodMap.get(ze.getName()); if (originEntry != null) { if (originEntry.getMethod() == STORED) { ze.setCompressedSize(f.length()); InputStream in = new BufferedInputStream(new FileInputStream(f)); try { CRC32 crc = new CRC32(); int c; while ((c = in.read()) != -1) { crc.update(c); } ze.setCrc(crc.getValue()); } finally { in.close(); } } ze.setMethod(originEntry.getMethod()); } } zos.putNextEntry(ze); InputStream is = new BufferedInputStream(new FileInputStream(f)); while ((readLen = is.read(buf, 0, 1024)) != -1) { zos.write(buf, 0, readLen); } is.close(); } zos.close(); } public static void main(String[] args) { String name = "T.class"; System.out.println(name.substring(0, name.length() - 6)); } }