58 lines
1.7 KiB
Java
58 lines
1.7 KiB
Java
package cl.cromer.ubb.attendance;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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import cl.cromer.ubb.attendance.FileSystem;
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public class ZipFile {
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public ZipFile() {}
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protected boolean unzip(InputStream inputStream, File androidDirectory) throws IOException {
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if (!FileSystem.isWritable()) {
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return false;
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}
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if (!androidDirectory.exists()) {
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if (!androidDirectory.mkdir()) {
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return false;
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}
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}
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ZipInputStream zipInputStream = new ZipInputStream(inputStream);
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ZipEntry zipEntry;
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while ((zipEntry = zipInputStream.getNextEntry()) != null) {
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String filePath = androidDirectory.toString() + File.separator + zipEntry.getName();
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if (!zipEntry.isDirectory()) {
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extractFile(zipInputStream, filePath);
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}
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else {
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File directory = new File(filePath);
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if (!directory.mkdir()) {
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return false;
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}
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}
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zipInputStream.closeEntry();
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}
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zipInputStream.close();
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return true;
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}
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private void extractFile(ZipInputStream zipInputStream, String filePath) throws IOException {
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BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(filePath));
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byte[] bytes = new byte[4096];
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int read;
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while ((read = zipInputStream.read(bytes)) != -1) {
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bufferedOutputStream.write(bytes, 0, read);
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}
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bufferedOutputStream.close();
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}
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}
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