Example usage for java.util.zip ZipFile ZipFile

Introduction

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

Prototype

public ZipFile(File file, int mode, Charset charset) throws IOException 

Source Link

Document

Opens a new ZipFile to read from the specified File object in the specified mode.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    ZipFile zipFile = new ZipFile(new File("testfile.zip"), ZipFile.OPEN_READ, Charset.defaultCharset());
    ZipEntry entry = zipFile.getEntry("fileName");

}

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From source file:com.blackducksoftware.integration.hub.detect.util.DetectZipUtil.java

public static void unzip(File zip, File dest, Charset charset) throws IOException {
    Path destPath = dest.toPath();
    try (ZipFile zipFile = new ZipFile(zip, ZipFile.OPEN_READ, charset)) {
        Enumeration<? extends ZipEntry> entries = zipFile.entries();
        while (entries.hasMoreElements()) {
            ZipEntry entry = entries.nextElement();
            Path entryPath = destPath.resolve(entry.getName());
            if (!entryPath.normalize().startsWith(dest.toPath()))
                throw new IOException("Zip entry contained path traversal");
            if (entry.isDirectory()) {
                Files.createDirectories(entryPath);
            } else {
                Files.createDirectories(entryPath.getParent());
                try (InputStream in = zipFile.getInputStream(entry)) {
                    try (OutputStream out = new FileOutputStream(entryPath.toFile())) {
                        IOUtils.copy(in, out);
                    }/*  w w w . j av a 2  s .  c  om*/
                }
            }
        }
    }
}

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