Examples of java.util.zip.ZipInputStream.available()

java.util.zip.ZipInputStream.available()
Returns 0 after EOF has reached for the current entry data, otherwise always return 1.
Programs should not count on this method to return the actual number of bytes that could be read without blocking. @return 1 before EOF and 0 after EOF has reached for current entry. @exception IOException if an I/O error occurs.


            // Now we will extract the document and write it into a byte array
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            byte[] buffer = new byte[8192];
            int length;
            while (zipStream.available() > 0) {
                length = zipStream.read(buffer, 0, 8192);
                if (length > 0) {
                    baos.write(buffer, 0, length);
                }
            }

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        ZipEntry entry = zis1.getNextEntry();
        assertNotNull("No entry in the archive.", entry);
        long entrySize = entry.getSize();
        assertTrue("Entry size was < 1", entrySize > 0);
        int i = 0;
        while (zis1.available() > 0) {
            zis1.skip(1);
            i++;
        }
        if (i != entrySize) {
            fail("ZipInputStream.available or ZipInputStream.skip does not " +

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            fail("ZipInputStream.available or ZipInputStream.skip does not " +
                    "working properly. Only skipped " + i +
                    " bytes instead of " + entrySize);
        }
        assertEquals(0, zis1.skip(1));
        assertEquals(0, zis1.available());
        zis1.closeEntry();
        assertEquals(1, zis.available());
        zis1.close();
        try {
            zis1.available();

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        assertEquals(0, zis1.available());
        zis1.closeEntry();
        assertEquals(1, zis.available());
        zis1.close();
        try {
            zis1.available();
            fail("IOException expected");
        } catch (IOException ee) {
            // expected
        }
    }

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        // now we will extract the document and write it into a byte array
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[8192];
        int length = -1;
        while (zipStream.available() > 0) {
            length = zipStream.read(buffer, 0, 8192);
            if (length > 0) {
                baos.write(buffer, 0, length);
            }
        }

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            final int bufferSize = 102400;
            final byte[] buffer = new byte[bufferSize];
            while (true) {
              final int len = zipFileStream.read(buffer);
              if (zipFileStream.available() == 0) {
                break;
              }
              os.write(buffer, 0, len);
            }
          } finally {

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  private boolean findThemeDescriptor(File jarFile) throws MojoExecutionException {
    ZipInputStream zip = null;
    try {
      zip = new ZipInputStream(new FileInputStream(jarFile));
      while (zip.available() > 0) {
        ZipEntry nextEntry = zip.getNextEntry();
        if (nextEntry == null || nextEntry.isDirectory()) {
          continue;
        }
        String name = nextEntry.getName();

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        // now we will extract the document and write it into a byte array
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[8192];
        int length = -1;
        while (zipStream.available() > 0) {
            length = zipStream.read(buffer, 0, 8192);
            if (length > 0) {
                baos.write(buffer, 0, length);
            }
        }

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          os = new FileOutputStream(file);


          byte[] buffer = new byte[102400];
          while (true) {
            int len = zipFileStream.read(buffer);
            if (zipFileStream.available() == 0)
              break;
            os.write(buffer, 0, len);
          }
        } finally {
          if (null != os) {

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  private InputStream getUnderlyingInputStream(InputStream inputStream, Map<?, ?> options) throws IOException
  {
    if (useZip() || (options != null && Boolean.TRUE.equals(options.get(Resource.OPTION_ZIP))))
    {
      ZipInputStream zipInputStream = new ZipInputStream(inputStream);
      while (zipInputStream.available() != 0)
      {
        ZipEntry zipEntry = zipInputStream.getNextEntry();
        if (isContentZipEntry(zipEntry))
        {
          return zipInputStream;

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