Examples of org.apache.tools.zip.ZipFile

org.apache.tools.zip.ZipFile
Replacement for java.util.ZipFile.
This class adds support for file name encodings other than UTF-8 (which is required to work on ZIP files created by native zip tools and is able to skip a preamble like the one found in self extracting archives. Furthermore it returns instances of org.apache.tools.zip.ZipEntry instead of java.util.zip.ZipEntry.

It doesn't extend java.util.zip.ZipFile as it would have to reimplement all methods anyway. Like java.util.ZipFile, it uses RandomAccessFile under the covers and supports compressed and uncompressed entries.

The method signatures mimic the ones of java.util.zip.ZipFile, with a couple of exceptions:
- There is no getName method.
- entries has been renamed to getEntries.
- getEntries and getEntry return org.apache.tools.zip.ZipEntry instances.
- close is allowed to throw IOException.

     * @param srcF      the source file
     * @param dir       the destination directory
     */
    protected void expandFile(FileUtils fileUtils, File srcF, File dir) {
        log("Expanding: " + srcF + " into " + dir, Project.MSG_INFO);
        ZipFile zf = null;
        FileNameMapper mapper = getMapper();
        if (!srcF.exists()) {
            throw new BuildException("Unable to expand "
                    + srcF
                    + " as the file does not exist",
                    getLocation());
        }
        try {
            zf = new ZipFile(srcF, encoding, scanForUnicodeExtraFields);
            boolean empty = true;
            Enumeration e = zf.getEntries();
            while (e.hasMoreElements()) {
                empty = false;
                ZipEntry ze = (ZipEntry) e.nextElement();
                InputStream is = null;
                log("extracting " + ze.getName(), Project.MSG_DEBUG);
                try {
                    extractFile(fileUtils, srcF, dir,
                                is = zf.getInputStream(ze),
                                ze.getName(), new Date(ze.getTime()),
                                ze.isDirectory(), mapper);
                } finally {
                    FileUtils.close(is);
                }

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            throw new BuildException("Source " + source.getClass().getName()
                                     + " not supported by this plugin");
        }
        InputStream inputStream = null;
        InputSource inputSource = null;
        ZipFile zf = null;


        try {
            /**
             * SAX 2 style parser used to parse the given file.
             */
            XMLReader parser = JAXPUtils.getNamespaceXMLReader();


            String uri = null;
            if (buildFile != null) {
                uri = FILE_UTILS.toURI(buildFile.getAbsolutePath());
                inputStream = new FileInputStream(buildFile);
            } else {
                uri = url.toString();
                int pling = -1;
                if (uri.startsWith("jar:file")
                    && (pling = uri.indexOf("!/")) > -1) {
                    zf = new ZipFile(org.apache.tools.ant.launch.Locator
                                     .fromJarURI(uri), "UTF-8");
                    inputStream =
                        zf.getInputStream(zf.getEntry(uri.substring(pling + 1)));
                } else {
                    inputStream = url.openStream();
                }
            }

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  private void unZip(String zipFilePath, File toUnzipFold) throws IOException {
    if (!toUnzipFold.exists()) {
      toUnzipFold.mkdirs();
    }
    ZipFile zfile = new ZipFile(zipFilePath);
    // zList�������е��ļ��С�Ŀ¼��Ϣ
    Enumeration zList = zfile.getEntries();
    byte[] buf = new byte[1024];
    File tmpfile = null;
    File tmpfold = null;
    while (zList.hasMoreElements()) {
      ZipEntry ze = (ZipEntry) zList.nextElement();
      tmpfile = new File(toUnzipFold.getAbsolutePath() + File.separator
          + ze.getName());
      if (ze.isDirectory()) {
        continue;
      } else {
        tmpfold = tmpfile.getParentFile();
        if (!tmpfold.exists()) {
          tmpfold.mkdirs();
        }
        OutputStream os = new BufferedOutputStream(
            new FileOutputStream(tmpfile.getAbsolutePath()));
        InputStream is = new BufferedInputStream(
            zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
          os.write(buf, 0, readLen);
        }
        is.close();

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                prefix += "/";
            }
            addParentDirs(null, prefix, zOut, "", dirMode);
        }


        ZipFile zf = null;
        try {
            boolean dealingWithFiles = false;
            File base = null;


            if (zfs == null || zfs.getSrc(getProject()) == null) {
                dealingWithFiles = true;
                base = fileset.getDir(getProject());
            } else if (zfs instanceof ZipFileSet) {
                zf = new ZipFile(zfs.getSrc(getProject()), encoding);
            }


            for (int i = 0; i < resources.length; i++) {
                String name = null;
                if (fullpath.length() > 0) {
                    name = fullpath;
                } else {
                    name = resources[i].getName();
                }
                name = name.replace(File.separatorChar, '/');


                if ("".equals(name)) {
                    continue;
                }


                if (resources[i].isDirectory()) {
                    if (doFilesonly) {
                        continue;
                    }
                    int thisDirMode = zfs != null && zfs.hasDirModeBeenSet()
                        ? dirMode : getUnixMode(resources[i], zf, dirMode);
                    addDirectoryResource(resources[i], name, prefix,
                                         base, zOut,
                                         dirMode, thisDirMode);


                } else { // !isDirectory


                    addParentDirs(base, name, zOut, prefix, dirMode);


                    if (dealingWithFiles) {
                        File f = FILE_UTILS.resolveFile(base,
                                                        resources[i].getName());
                        zipFile(f, zOut, prefix + name, fileMode);
                    } else {
                        int thisFileMode =
                            zfs != null && zfs.hasFileModeBeenSet()
                            ? fileMode : getUnixMode(resources[i], zf,
                                                     fileMode);
                        addResource(resources[i], name, prefix,
                                    zOut, thisFileMode, zf,
                                    zfs == null
                                    ? null : zfs.getSrc(getProject()));
                    }
                }
            }
        } finally {
            if (zf != null) {
                zf.close();
            }
        }
    }

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                prefix += "/";
            }
            addParentDirs(null, prefix, zOut, "", dirMode);
        }


        ZipFile zf = null;
        try {
            boolean dealingWithFiles = false;
            File base = null;


            if (zfs == null || zfs.getSrc(getProject()) == null) {
                dealingWithFiles = true;
                base = fileset.getDir(getProject());
            } else {
                zf = new ZipFile(zfs.getSrc(getProject()), encoding);
            }


            for (int i = 0; i < resources.length; i++) {
                String name = null;
                if (fullpath.length() > 0) {
                    name = fullpath;
                } else {
                    name = resources[i].getName();
                }
                name = name.replace(File.separatorChar, '/');


                if ("".equals(name)) {
                    continue;
                }
                if (resources[i].isDirectory() && !name.endsWith("/")) {
                    name = name + "/";
                }


                if (!doFilesonly && !dealingWithFiles 
                    && resources[i].isDirectory() 
                    && !zfs.hasDirModeBeenSet()) {
                    int nextToLastSlash = name.lastIndexOf("/",
                                                           name.length() - 2);
                    if (nextToLastSlash != -1) {
                        addParentDirs(base, name.substring(0, 
                                                           nextToLastSlash + 1),
                                      zOut, prefix, dirMode);
                    }
                    ZipEntry ze = zf.getEntry(resources[i].getName());
                    addParentDirs(base, name, zOut, prefix, ze.getUnixMode());
                    
                } else {
                    addParentDirs(base, name, zOut, prefix, dirMode);
                }


                if (!resources[i].isDirectory() && dealingWithFiles) {
                    File f = fileUtils.resolveFile(base,
                                                   resources[i].getName());
                    zipFile(f, zOut, prefix + name, fileMode);
                } else if (!resources[i].isDirectory()) {
                    ZipEntry ze = zf.getEntry(resources[i].getName());
                    
                    if (ze != null) {
                        boolean oldCompress = doCompress;
                        if (keepCompression) {
                            doCompress = (ze.getMethod() == ZipEntry.DEFLATED);
                        }
                        try {
                            zipFile(zf.getInputStream(ze), zOut, prefix + name,
                                    ze.getTime(), zfs.getSrc(getProject()),
                                    zfs.hasFileModeBeenSet() ? fileMode
                                    : ze.getUnixMode());
                        } finally {
                            doCompress = oldCompress;
                        }
                    }
                }
            }
        } finally {
            if (zf != null) {
                zf.close();
            }
        }
    }

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            == thisresource.getLastModified()) {
            return;
        }


        ZipEntry entry = null;
        ZipFile zf = null;
        myentries = new Hashtable();
        try {
            try {
                zf = new ZipFile(srcFile, encoding);
            } catch (ZipException ex) {
                throw new BuildException("problem reading " + srcFile, ex);
            } catch (IOException ex) {
                throw new BuildException("problem opening " + srcFile, ex);
            }


            Enumeration e = zf.getEntries();
            while (e.hasMoreElements()) {
                entry = (ZipEntry) e.nextElement();
                myentries.put(new String(entry.getName()),
                              new Resource(entry.getName(), true,
                                           entry.getTime(),
                                           entry.isDirectory()));
            }
        } finally {
            if (zf != null) {
                try {
                    zf.close();
                } catch (IOException ex) {
                    // swallow
                }
            }
        }

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    /*
     * This method is to be overridden by extending unarchival tasks.
     */
    protected void expandFile(FileUtils fileUtils, File srcF, File dir) {
        log("Expanding: " + srcF + " into " + dir, Project.MSG_INFO);
        ZipFile zf = null;
        try {
            zf = new ZipFile(srcF, encoding);
            Enumeration e = zf.getEntries();
            while (e.hasMoreElements()) {
                ZipEntry ze = (ZipEntry) e.nextElement();
                extractFile(fileUtils, srcF, dir, zf.getInputStream(ze),
                            ze.getName(), new Date(ze.getTime()),
                            ze.isDirectory());
            }


            log("expand complete", Project.MSG_VERBOSE);
        } catch (IOException ioe) {
            throw new BuildException("Error while expanding " + srcF.getPath(),
                                     ioe);
        } finally {
            if (zf != null) {
                try {
                    zf.close();
                } catch (IOException e) {
                    //ignore
                }
            }
        }

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    if (!descFileNames.endsWith(File.separator)) {
      descFileNames = descFileNames + File.separator;
    }    
        try {
      // 根据ZIP文件创建ZipFile对象
      ZipFile zipFile = new ZipFile(zipFileName);
      ZipEntry entry = null;
      String entryName = null;
      String descFileDir = null;
      byte[] buf = new byte[4096];
      int readByte = 0;
      // 获取ZIP文件里所有的entry
      @SuppressWarnings("rawtypes")
      Enumeration enums = zipFile.getEntries();
      // 遍历所有entry
      while (enums.hasMoreElements()) {
        entry = (ZipEntry) enums.nextElement();
        // 获得entry的名字
        entryName = entry.getName();
        descFileDir = descFileNames + entryName;
        if (entry.isDirectory()) {
          // 如果entry是一个目录，则创建目录
          new File(descFileDir).mkdirs();
          continue;
        } else {
          // 如果entry是一个文件，则创建父目录
          new File(descFileDir).getParentFile().mkdirs();
        }
        File file = new File(descFileDir);
        // 打开文件输出流
        OutputStream os = new FileOutputStream(file);
        // 从ZipFile对象中打开entry的输入流
            InputStream is = zipFile.getInputStream(entry);
        while ((readByte = is.read(buf)) != -1) {
          os.write(buf, 0, readByte);
        }
        os.close();
        is.close();
      }
      zipFile.close();
      log.debug("文件解压成功!");
      return true;
    } catch (Exception e) {
      log.debug("文件解压失败：" + e.getMessage());
      return false;

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        }


        AtomicBoolean stopFlag = new AtomicBoolean();


        try {
            ZipFile zip = new ZipFile(zipFile);
            try {
                // The iteration order of zip.getEntries() is based on the hash of the zip entry. This isn't much use
                // to us. So, collect the entries in a map and iterate over them in alphabetical order.
                Map<String, ZipEntry> entriesByName = new TreeMap<String, ZipEntry>();
                Enumeration entries = zip.getEntries();
                while (entries.hasMoreElements()) {
                    ZipEntry entry = (ZipEntry) entries.nextElement();
                    entriesByName.put(entry.getName(), entry);
                }
                Iterator<ZipEntry> sortedEntries = entriesByName.values().iterator();
                while (!stopFlag.get() && sortedEntries.hasNext()) {
                    ZipEntry entry = sortedEntries.next();
                    if (entry.isDirectory()) {
                        visitor.visitDir(new DetailsImpl(entry, zip, stopFlag, chmod));
                    } else {
                        visitor.visitFile(new DetailsImpl(entry, zip, stopFlag, chmod));
                    }
                }
            } finally {
                zip.close();
            }
        } catch (Exception e) {
            throw new GradleException(String.format("Could not expand %s.", getDisplayName()), e);
        }
    }

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