/**
* Create a new {@code JarFile} using the contents of file.
*
* @param file
* the JAR file as {@link File}.
* @param verify
* if this JAR filed is signed whether it must be verified.
* @param mode
* the mode to use, either {@link ZipFile#OPEN_READ OPEN_READ} or
* {@link ZipFile#OPEN_DELETE OPEN_DELETE}.
* @throws IOException
* If the file cannot be read.
*/
public JarFile(java.io.File file, bool verify, int mode) ://throws IOException {
base(file, mode)
{
if (verify)
{
verifier = new JarVerifier(file.getPath());
}
readMetaEntries();
}
/**
* Create a new {@code JarFile} from the contents of the file specified by
* {@code filename}.
*
* @param filename
* the file name referring to the JAR file.
* @param verify
* if this JAR filed is signed whether it must be verified.
* @throws IOException
* If file cannot be opened or read.
*/
public JarFile(String filename, bool verify) //throws IOException {
: base(filename)
{
if (verify)
{
verifier = new JarVerifier(filename);
}
readMetaEntries();
}
/**
* Called by the JarFile constructors, this method reads the contents of the
* file's META-INF/ directory and picks out the MANIFEST.MF file and
* verifier signature files if they exist. Any signature files found are
* registered with the verifier.
*
* @throws IOException
* if there is a problem reading the jar file entries.
*/
private void readMetaEntries() // throws IOException {
// Get all meta directory entries
{
java.util.zip.ZipEntry[] metaEntries = getMetaEntriesImpl();
if (metaEntries == null)
{
verifier = null;
return;
}
bool signed = false;
foreach (java.util.zip.ZipEntry entry in metaEntries)
{
String entryName = entry.getName();
// Is this the entry for META-INF/MANIFEST.MF ?
if (manifestEntry == null &&
org.apache.harmony.archive.util.Util.asciiEqualsIgnoreCase(MANIFEST_NAME, entryName))
{
manifestEntry = entry;
// If there is no verifier then we don't need to look any further.
if (verifier == null)
{
break;
}
}
else
{
// Is this an entry that the verifier needs?
if (verifier != null &&
(org.apache.harmony.archive.util.Util.asciiEndsWithIgnoreCase(entryName, ".SF") ||
org.apache.harmony.archive.util.Util.asciiEndsWithIgnoreCase(entryName, ".DSA") ||
org.apache.harmony.archive.util.Util.asciiEndsWithIgnoreCase(entryName, ".RSA")))
{
signed = true;
java.io.InputStream isJ = base.getInputStream(entry);
byte[] buf = org.apache.harmony.luni.util.InputStreamHelper.readFullyAndClose(isJ);
verifier.addMetaEntry(entryName, buf);
}
}
}
// If there were no signature files, then no verifier work to do.
if (!signed)
{
verifier = null;
}
}