Example usage for java.util.zip ZipEntry setCompressedSize

Introduction

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

Prototype

public void setCompressedSize(long csize) 

Source Link

Document

Sets the size of the compressed entry data.

Usage

From source file:org.kuali.kfs.module.ar.report.service.impl.TransmitContractsAndGrantsInvoicesServiceImpl.java

/**
 *
 * @param report//from   w ww  . j a  va2  s.  c o m
 * @param invoiceFileWritten
 * @param zos
 * @param buffer
 * @param crc
 * @return
 * @throws IOException
 */
private boolean writeFile(byte[] arrayToWrite, ZipOutputStream zos, String fileName) throws IOException {
    int bytesRead;
    byte[] buffer = new byte[1024];
    CRC32 crc = new CRC32();

    if (ObjectUtils.isNotNull(arrayToWrite) && arrayToWrite.length > 0) {
        BufferedInputStream bis = new BufferedInputStream(new ByteArrayInputStream(arrayToWrite));
        try {
            while ((bytesRead = bis.read(buffer)) != -1) {
                crc.update(buffer, 0, bytesRead);
            }
            bis.close();
            // Reset to beginning of input stream
            bis = new BufferedInputStream(new ByteArrayInputStream(arrayToWrite));
            ZipEntry entry = new ZipEntry(fileName);
            entry.setMethod(ZipEntry.STORED);
            entry.setCompressedSize(arrayToWrite.length);
            entry.setSize(arrayToWrite.length);
            entry.setCrc(crc.getValue());
            zos.putNextEntry(entry);
            while ((bytesRead = bis.read(buffer)) != -1) {
                zos.write(buffer, 0, bytesRead);
            }
        } finally {
            bis.close();
        }
        return true;
    }
    return false;
}

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From source file:org.nuxeo.template.odt.OOoArchiveModifier.java

protected void writeOOoEntry(ZipOutputStream zipOutputStream, String entryName, File fileEntry, int zipMethod)
        throws IOException {

    if (fileEntry.isDirectory()) {
        entryName = entryName + "/";
        ZipEntry zentry = new ZipEntry(entryName);
        zipOutputStream.putNextEntry(zentry);
        zipOutputStream.closeEntry();//from   ww w  . j a v  a  2s  .c o m
        for (File child : fileEntry.listFiles()) {
            writeOOoEntry(zipOutputStream, entryName + child.getName(), child, zipMethod);
        }
        return;
    }

    ZipEntry zipEntry = new ZipEntry(entryName);
    try (InputStream entryInputStream = new FileInputStream(fileEntry)) {
        zipEntry.setMethod(zipMethod);
        if (zipMethod == ZipEntry.STORED) {
            byte[] inputBytes = IOUtils.toByteArray(entryInputStream);
            CRC32 crc = new CRC32();
            crc.update(inputBytes);
            zipEntry.setCrc(crc.getValue());
            zipEntry.setSize(inputBytes.length);
            zipEntry.setCompressedSize(inputBytes.length);
            zipOutputStream.putNextEntry(zipEntry);
            IOUtils.write(inputBytes, zipOutputStream);
        } else {
            zipOutputStream.putNextEntry(zipEntry);
            IOUtils.copy(entryInputStream, zipOutputStream);
        }
    }
    zipOutputStream.closeEntry();
}

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