Examples with ZipInputStream java.util.zip.ZipInputStream used on opensource projects

Example 21 with ZipInputStream

use of java.util.zip.ZipInputStream in project OpenMEAP by OpenMEAP.

the class LocalStorageImpl method unzipImportArchive.

public void unzipImportArchive(UpdateStatus update) throws LocalStorageException {
    // at this point, we've verified that:
    //   1) we have enough space on the device
    //   2) the archive downloaded is what was expected
    ZipInputStream zis = null;
    String newPrefix = "com.openmeap.storage." + update.getUpdateHeader().getHash().getValue();
    File hashHolder = null;
    String hashRootAbsolutePath = "";
    try {
        hashHolder = new File(activity.getFilesDir(), newPrefix);
        hashHolder.mkdir();
        hashRootAbsolutePath = hashHolder.getAbsolutePath();
    } catch (Exception e) {
        System.out.println("Exception thrown while creating hash folder.");
        System.out.println(e);
    }
    try {
        zis = new ZipInputStream(getImportArchiveInputStream());
        ZipEntry ze;
        while ((ze = zis.getNextEntry()) != null) {
            if (ze.isDirectory()) {
                //		    		continue;
                try {
                    System.out.println("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
                    System.out.println("Writing directory structure in phone memory.");
                    File directoryStructure = new File(hashRootAbsolutePath, ze.getName());
                    directoryStructure.mkdirs();
                } catch (Exception e) {
                    System.out.println("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
                    System.out.println("Exception thrown while writing directory structure.");
                    System.out.println(e);
                }
            } else {
                try {
                    String osSeperator = System.getProperty("file.separator");
                    int seperatorLastIndex = ze.getName().lastIndexOf(osSeperator);
                    String fileName = ze.getName().substring(seperatorLastIndex + 1, ze.getName().length());
                    String fileNameParentDirectoryPrefix = "";
                    String absolutePathFromPrefix = "";
                    if (seperatorLastIndex != -1 && seperatorLastIndex != 0) {
                        fileNameParentDirectoryPrefix = ze.getName().substring(0, seperatorLastIndex);
                        absolutePathFromPrefix = hashRootAbsolutePath + osSeperator + fileNameParentDirectoryPrefix;
                    } else {
                        absolutePathFromPrefix = hashRootAbsolutePath + osSeperator;
                    }
                    URI osResourePathForThisFile = URI.create(absolutePathFromPrefix);
                    File writableFileReference = new File(osResourePathForThisFile.getPath(), fileName);
                    OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(writableFileReference.getAbsolutePath(), true), 1024);
                    try {
                        byte[] buffer = new byte[1024];
                        int count;
                        while ((count = zis.read(buffer)) != -1) {
                            outputStream.write(buffer, 0, count);
                        }
                    } catch (Exception e) {
                        System.out.println("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
                        System.out.println("Exception while writing file contents.");
                        System.out.println(e);
                    } finally {
                        outputStream.close();
                    }
                } catch (Exception e) {
                    System.out.println("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
                    System.out.println("Unknown exception.");
                    System.out.println(e);
                }
            }
        //		    	Commenting following code to make use of file:/// alternate to content://
        //		        OutputStream baos = openFileOutputStream(newPrefix,ze.getName());		        
        //		        try {
        //		        	byte[] buffer = new byte[1024];
        //		        	int count;
        //		        	while ((count = zis.read(buffer)) != -1) {
        //		        		baos.write(buffer, 0, count);
        //		        	}
        //		        }
        //		        catch( Exception e ) {
        //		        	;// TODO: something, for the love of god.
        //		        }
        //		        finally {
        //		        	baos.close();
        //		        }
        }
    } catch (Exception e) {
        throw new LocalStorageException(e);
    } finally {
        if (zis != null) {
            try {
                zis.close();
            } catch (IOException e) {
                throw new GenericRuntimeException(e);
            }
        }
    }
}

Example 22 with ZipInputStream

use of java.util.zip.ZipInputStream in project screenbird by adamhub.

the class IOUtils method isZip.

/** Return true if this file is a zip file. */
public static boolean isZip(File file) throws IOException {
    if (file.exists() == false)
        return false;
    InputStream in = null;
    try {
        in = new FileInputStream(file);
        ZipInputStream zipIn = new ZipInputStream(in);
        ZipEntry e = zipIn.getNextEntry();
        if (e == null)
            return false;
        int ctr = 0;
        while (e != null && ctr < 4) {
            e = zipIn.getNextEntry();
            ctr++;
        }
        return true;
    } catch (Throwable t) {
        return false;
    } finally {
        try {
            in.close();
        } catch (Throwable t) {
        }
    }
}

Example 23 with ZipInputStream

use of java.util.zip.ZipInputStream in project screenbird by adamhub.

the class IOUtils method getZipEntry.

/** Returns an InputStream that will read a specific entry
	 * from a zip file.
	 * @param file the zip file.
	 * @param entryName the name of the entry.
	 * @return an InputStream that reads that entry.
	 * @throws IOException
	 */
public static InputStream getZipEntry(File file, String entryName) throws IOException {
    FileInputStream in = new FileInputStream(file);
    ZipInputStream zipIn = new ZipInputStream(in);
    ZipEntry e = zipIn.getNextEntry();
    while (e != null) {
        if (e.getName().equals(entryName))
            return zipIn;
        e = zipIn.getNextEntry();
    }
    return null;
}

Example 24 with ZipInputStream

use of java.util.zip.ZipInputStream in project atlas by alibaba.

the class JarMergerWithOverride method addJar.

public void addJar(@NonNull File file, boolean removeEntryTimestamp) throws IOException {
    logger.verbose("addJar(%1$s)", file);
    init();
    Closer localCloser = Closer.create();
    try {
        FileInputStream fis = localCloser.register(new FileInputStream(file));
        ZipInputStream zis = localCloser.register(new ZipInputStream(fis));
        // loop on the entries of the jar file package and put them in the final jar
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            // do not take directories or anything inside a potential META-INF folder.
            if (entry.isDirectory()) {
                continue;
            }
            String name = entry.getName();
            JarEntry newEntry;
            // Preserve the STORED method of the input entry.
            if (entry.getMethod() == JarEntry.STORED) {
                newEntry = new JarEntry(entry);
            } else {
                // Create a new entry so that the compressed len is recomputed.
                newEntry = new JarEntry(name);
            }
            if (removeEntryTimestamp) {
                newEntry.setTime(0);
            }
            // add the entry to the jar archive
            logger.verbose("addJar(%1$s): entry %2$s", file, name);
            duplicates.put(name, file.getAbsolutePath());
            if (duplicates.get(name).size() > 1) {
                logger.info("[Duplicated]" + name + ":" + file.getAbsolutePath() + ":" + duplicates.get(name));
                continue;
            }
            jarOutputStream.putNextEntry(newEntry);
            // read the content of the entry from the input stream, and write it into the archive.
            int count;
            while ((count = zis.read(buffer)) != -1) {
                jarOutputStream.write(buffer, 0, count);
            }
            // close the entries for this file
            jarOutputStream.closeEntry();
            zis.closeEntry();
        }
    } finally {
        localCloser.close();
    }
}

Example 25 with ZipInputStream

use of java.util.zip.ZipInputStream in project atlas by alibaba.

the class JarSplitUtils method removeFilesFromJar.

/**
     * 移除指定jar文件中的class
     * @param inJar
     * @param removeClasses
     */
public static void removeFilesFromJar(File inJar, List<String> removeClasses) throws IOException {
    if (null == removeClasses || removeClasses.isEmpty()) {
        return;
    }
    File outJar = new File(inJar.getParentFile(), inJar.getName() + ".tmp");
    File outParentFolder = outJar.getParentFile();
    if (!outParentFolder.exists()) {
        outParentFolder.mkdirs();
    }
    FileOutputStream fos = new FileOutputStream(outJar);
    ZipOutputStream jos = new ZipOutputStream(fos);
    final byte[] buffer = new byte[8192];
    FileInputStream fis = new FileInputStream(inJar);
    ZipInputStream zis = new ZipInputStream(fis);
    try {
        // loop on the entries of the jar file package and put them in the final jar
        ZipEntry entry;
        while ((entry = zis.getNextEntry()) != null) {
            // do not take directories or anything inside a potential META-INF folder.
            if (entry.isDirectory() || !entry.getName().endsWith(".class")) {
                continue;
            }
            String name = entry.getName();
            String className = getClassName(name);
            if (removeClasses.contains(className)) {
                continue;
            }
            JarEntry newEntry;
            // Preserve the STORED method of the input entry.
            if (entry.getMethod() == JarEntry.STORED) {
                newEntry = new JarEntry(entry);
            } else {
                // Create a new entry so that the compressed len is recomputed.
                newEntry = new JarEntry(name);
            }
            // add the entry to the jar archive
            jos.putNextEntry(newEntry);
            // read the content of the entry from the input stream, and write it into the archive.
            int count;
            while ((count = zis.read(buffer)) != -1) {
                jos.write(buffer, 0, count);
            }
            // close the entries for this file
            jos.closeEntry();
            zis.closeEntry();
        }
    } finally {
        zis.close();
    }
    fis.close();
    jos.close();
    FileUtils.deleteQuietly(inJar);
    FileUtils.moveFile(outJar, inJar);
}