Opens a new ZipFile to read from the specified File object in the specified mode. The mode argument must be either OPEN_READ or OPEN_READ | OPEN_DELETE.

First, if there is a security manager, its checkRead method is called with the name argument as its argument to ensure the read is allowed.

The UTF-8 charset is used to decode the entry names and comments

Parameters:

file the ZIP file to be opened for reading

mode the mode in which the file is to be opened

Exceptions:

ZipException     if a ZIP format error has occurred

IOException     if an I/O error has occurred

SecurityException     if a security manager exists and its checkRead method doesn't allow read access to the file, or its checkDelete method doesn't allow deleting the file when the OPEN_DELETE flag is set.

IllegalArgumentException     if the mode argument is invalid

Since: 1.3

`file`		the ZIP file to be opened for reading
`mode`		the mode in which the file is to be opened

`ZipException`		if a ZIP format error has occurred
`IOException`		if an I/O error has occurred
`SecurityException`		if a security manager exists and its `checkRead` method doesn't allow read access to the file, or its `checkDelete` method doesn't allow deleting the file when the `OPEN_DELETE` flag is set.
`IllegalArgumentException`		if the `mode` argument is invalid