Example usage for java.util.zip ZipEntry setSize

Introduction

In this page you can find the example usage for java.util.zip ZipEntry setSize.

Prototype

public void setSize(long size) 

Source Link

Document

Sets the uncompressed size of the entry data.

Usage

From source file:com.taobao.android.builder.tools.zip.ZipUtils.java

public static void addFileAndDirectoryToZip(File output, File srcDir, Map<String, ZipEntry> zipEntryMethodMap)
        throws Exception {
    if (output.isDirectory()) {
        throw new IOException("This is a directory!");
    }//  www. j a va  2s .  co  m
    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();
}

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From source file:com.taobao.android.builder.tools.zip.ZipUtils.java

public static void rezip(File output, File srcDir, Map<String, ZipEntry> zipEntryMethodMap) throws Exception {
    if (output.isDirectory()) {
        throw new IOException("This is a directory!");
    }/*  w  w  w  . j  ava2  s  .c  om*/
    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();
}

---

From source file:net.librec.util.FileUtil.java

/**
 * Zip a given folder//from  ww w  .  j av  a 2s.  c  om
 *
 * @param dirPath    a given folder: must be all files (not sub-folders)
 * @param filePath   zipped file
 * @throws Exception if error occurs
 */
public static void zipFolder(String dirPath, String filePath) throws Exception {
    File outFile = new File(filePath);
    ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(outFile));
    int bytesRead;
    byte[] buffer = new byte[1024];
    CRC32 crc = new CRC32();
    for (File file : listFiles(dirPath)) {
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
        crc.reset();
        while ((bytesRead = bis.read(buffer)) != -1) {
            crc.update(buffer, 0, bytesRead);
        }
        bis.close();

        // Reset to beginning of input stream
        bis = new BufferedInputStream(new FileInputStream(file));
        ZipEntry entry = new ZipEntry(file.getName());
        entry.setMethod(ZipEntry.STORED);
        entry.setCompressedSize(file.length());
        entry.setSize(file.length());
        entry.setCrc(crc.getValue());
        zos.putNextEntry(entry);
        while ((bytesRead = bis.read(buffer)) != -1) {
            zos.write(buffer, 0, bytesRead);
        }
        bis.close();
    }
    zos.close();

    LOG.debug("A zip-file is created to: " + outFile.getPath());
}

---

From source file:Main.java

public void doZip(String filename, String zipfilename) throws Exception {
    byte[] buf = new byte[1024];
    FileInputStream fis = new FileInputStream(filename);
    fis.read(buf, 0, buf.length);// w  w  w .ja  va 2 s . com

    CRC32 crc = new CRC32();
    ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename));
    s.setLevel(6);

    ZipEntry entry = new ZipEntry(filename);
    entry.setSize((long) buf.length);
    crc.reset();
    crc.update(buf);
    entry.setCrc(crc.getValue());
    s.putNextEntry(entry);
    s.write(buf, 0, buf.length);
    s.finish();
    s.close();
}

---

From source file:Main.java

public void doZip(String filename, String zipfilename) throws Exception {
    byte[] buf = new byte[1024];
    FileInputStream fis = new FileInputStream(filename);
    fis.read(buf, 0, buf.length);// w ww .j  a v a2s.  c o m

    CRC32 crc = new CRC32();
    ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename));
    s.setLevel(6);

    ZipEntry entry = new ZipEntry(filename);
    entry.setSize((long) buf.length);
    entry.setMethod(ZipEntry.DEFLATED);
    crc.reset();
    crc.update(buf);
    entry.setCrc(crc.getValue());
    s.putNextEntry(entry);
    s.write(buf, 0, buf.length);
    s.finish();
    s.close();
}

---

From source file:Main.java

public void doZip(String filename, String zipfilename) throws Exception {
    byte[] buf = new byte[1024];
    FileInputStream fis = new FileInputStream(filename);
    fis.read(buf, 0, buf.length);//from  www.  j  av a 2s.  c o  m

    CRC32 crc = new CRC32();
    ZipOutputStream s = new ZipOutputStream((OutputStream) new FileOutputStream(zipfilename));
    s.setLevel(6);

    ZipEntry entry = new ZipEntry(filename);
    entry.setSize((long) buf.length);
    entry.setTime(new Date().getTime());
    crc.reset();
    crc.update(buf);
    entry.setCrc(crc.getValue());
    s.putNextEntry(entry);
    s.write(buf, 0, buf.length);
    s.finish();
    s.close();
}

---

From source file:com.facebook.buck.util.zip.ZipScrubberTest.java

@Test
public void modificationTimesExceedShort() throws Exception {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] data = "data1".getBytes(Charsets.UTF_8);
    try (ZipOutputStream out = new ZipOutputStream(byteArrayOutputStream)) {
        for (long i = 0; i < Short.MAX_VALUE + 1; i++) {
            ZipEntry entry = new ZipEntry("file" + i);
            entry.setSize(data.length);
            out.putNextEntry(entry);//from   w  w  w.j  a  v  a  2s.c o m
            out.write(data);
            out.closeEntry();
        }
    }

    byte[] bytes = byteArrayOutputStream.toByteArray();
    ZipScrubber.scrubZipBuffer(bytes.length, ByteBuffer.wrap(bytes));

    // Iterate over each of the entries, expecting to see all zeros in the time fields.
    Date dosEpoch = new Date(ZipUtil.dosToJavaTime(ZipConstants.DOS_FAKE_TIME));
    try (ZipInputStream is = new ZipInputStream(new ByteArrayInputStream(bytes))) {
        for (ZipEntry entry = is.getNextEntry(); entry != null; entry = is.getNextEntry()) {
            assertThat(entry.getName(), new Date(entry.getTime()), Matchers.equalTo(dosEpoch));
        }
    }
}

---

From source file:com.facebook.buck.util.zip.ZipScrubberTest.java

@Test
public void modificationZip64Times() throws Exception {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] data = "data1".getBytes(Charsets.UTF_8);
    try (ZipOutputStream out = new ZipOutputStream(byteArrayOutputStream)) {
        for (long i = 0; i < 2 * Short.MAX_VALUE + 1; i++) {
            ZipEntry entry = new ZipEntry("file" + i);
            entry.setSize(data.length);
            out.putNextEntry(entry);/*w w  w  .  jav  a  2  s .co  m*/
            out.write(data);
            out.closeEntry();
        }
    }

    byte[] bytes = byteArrayOutputStream.toByteArray();
    ZipScrubber.scrubZipBuffer(bytes.length, ByteBuffer.wrap(bytes));

    // Iterate over each of the entries, expecting to see all zeros in the time fields.
    Date dosEpoch = new Date(ZipUtil.dosToJavaTime(ZipConstants.DOS_FAKE_TIME));
    try (ZipInputStream is = new ZipInputStream(new ByteArrayInputStream(bytes))) {
        for (ZipEntry entry = is.getNextEntry(); entry != null; entry = is.getNextEntry()) {
            assertThat(entry.getName(), new Date(entry.getTime()), Matchers.equalTo(dosEpoch));
        }
    }
}

---

From source file:com.facebook.buck.zip.ZipScrubberStepIntegrationTest.java

@Test
public void modificationTimes() throws Exception {

    // Create a dummy ZIP file.
    Path zip = tmp.newFile("output.zip");
    try (ZipOutputStream out = new ZipOutputStream(Files.newOutputStream(zip))) {
        ZipEntry entry = new ZipEntry("file1");
        byte[] data = "data1".getBytes(Charsets.UTF_8);
        entry.setSize(data.length);
        out.putNextEntry(entry);//from  w w  w  .j  a v a 2s.c  o m
        out.write(data);
        out.closeEntry();

        entry = new ZipEntry("file2");
        data = "data2".getBytes(Charsets.UTF_8);
        entry.setSize(data.length);
        out.putNextEntry(entry);
        out.write(data);
        out.closeEntry();
    }

    // Execute the zip scrubber step.
    ExecutionContext executionContext = TestExecutionContext.newInstance();
    ZipScrubberStep step = new ZipScrubberStep(new ProjectFilesystem(tmp.getRoot()), Paths.get("output.zip"));
    assertEquals(0, step.execute(executionContext).getExitCode());

    // Iterate over each of the entries, expecting to see all zeros in the time fields.
    Date dosEpoch = new Date(ZipUtil.dosToJavaTime(ZipConstants.DOS_FAKE_TIME));
    try (ZipInputStream is = new ZipInputStream(new FileInputStream(zip.toFile()))) {
        for (ZipEntry entry = is.getNextEntry(); entry != null; entry = is.getNextEntry()) {
            assertThat(entry.getName(), new Date(entry.getTime()), Matchers.equalTo(dosEpoch));
        }
    }
}

---

From source file:com.yunmel.syncretic.utils.io.IOUtils.java

private static void compressFile(File file, String fileName, ZipOutputStream zipout, String baseDir) {
    try {//from ww w .  j av a 2 s  .  c  o m
        ZipEntry entry = null;
        if (baseDir.equals("/")) {
            baseDir = "";
        }
        String filename = new String((baseDir + fileName).getBytes(), "GBK");
        entry = new ZipEntry(filename);

        entry.setSize(file.length());
        zipout.putNextEntry(entry);
        BufferedInputStream fr = new BufferedInputStream(new FileInputStream(file));
        int len;
        byte[] buffer = new byte[1024];
        while ((len = fr.read(buffer)) != -1)
            zipout.write(buffer, 0, len);
        fr.close();
    } catch (IOException e) {
    }
}

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