Example usage for java.util.jar JarEntry getTime

Introduction

In this page you can find the example usage for java.util.jar JarEntry getTime.

Prototype

public long getTime() 

Source Link

Document

Returns the last modification time of the entry.

Usage

From source file:Main.java

public static void main(String[] args) throws IOException {

    JarFile jf = new JarFile(args[0]);
    Enumeration e = jf.entries();
    while (e.hasMoreElements()) {
        JarEntry je = (JarEntry) e.nextElement();
        String name = je.getName();
        Date lastModified = new Date(je.getTime());
        long uncompressedSize = je.getSize();
        long compressedSize = je.getCompressedSize();

        System.out.println(lastModified);
        System.out.println(uncompressedSize);
        System.out.println(compressedSize);
    }//ww w .  j a  va2  s.co  m
}

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From source file:MainClass.java

public static void main(String[] args) throws IOException {

    JarFile jf = new JarFile(args[0]);
    Enumeration e = jf.entries();
    while (e.hasMoreElements()) {
        JarEntry je = (JarEntry) e.nextElement();
        String name = je.getName();
        Date lastModified = new Date(je.getTime());
        long uncompressedSize = je.getSize();
        long compressedSize = je.getCompressedSize();

        int method = je.getMethod();

        if (method == ZipEntry.STORED) {
            System.out.println(name + " was stored at " + lastModified);
            System.out.println("with a size of  " + uncompressedSize + " bytes");
        } else if (method == ZipEntry.DEFLATED) {
            System.out.println(name + " was deflated at " + lastModified);
            System.out.println("from  " + uncompressedSize + " bytes to " + compressedSize
                    + " bytes, a savings of " + (100.0 - 100.0 * compressedSize / uncompressedSize) + "%");
        } else {/*from ww w  .  j av a 2s. c  om*/
            System.out.println(name + " was compressed using an unrecognized method at " + lastModified);
            System.out.println("from  " + uncompressedSize + " bytes to " + compressedSize
                    + " bytes, a savings of " + (100.0 - 100.0 * compressedSize / uncompressedSize) + "%");
        }
    }
}

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From source file:Main.java

public static void main(String[] args) throws IOException {
    JarFile jf = new JarFile("a.jar");
    Enumeration e = jf.entries();
    while (e.hasMoreElements()) {
        JarEntry je = (JarEntry) e.nextElement();
        System.out.println(je.getName());
        long uncompressedSize = je.getSize();
        long compressedSize = je.getCompressedSize();
        long crc = je.getCrc();
        int method = je.getMethod();
        String comment = je.getComment();
        System.out.println(new Date(je.getTime()));
        System.out.println("from  " + uncompressedSize + " bytes to " + compressedSize);
        if (method == ZipEntry.STORED) {
            System.out.println("ZipEntry.STORED");
        } else if (method == ZipEntry.DEFLATED) {
            System.out.println(ZipEntry.DEFLATED);
        }//from w w  w  .j  a  va  2 s.c o m
        System.out.println("Its CRC is " + crc);
        System.out.println(comment);
        System.out.println(je.isDirectory());

        Attributes a = je.getAttributes();
        if (a != null) {
            Object[] nameValuePairs = a.entrySet().toArray();
            for (int j = 0; j < nameValuePairs.length; j++) {
                System.out.println(nameValuePairs[j]);
            }
        }
        System.out.println();
    }
}

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From source file:ArchiveUtil.java

private static void extractEntry(File entryFile, JarInputStream jis, JarEntry entry, boolean deleteOnExit)
        throws IOException {
    File parent = new File(entryFile.getParent());
    if (!parent.exists())
        parent.mkdirs();//from   ww w  .  j  a v  a 2 s  . c  o m
    ResourceUtil.copy(jis, new FileOutputStream(entryFile));
    entryFile.setLastModified(entry.getTime());
    if (deleteOnExit) {
        parent.deleteOnExit();
        entryFile.deleteOnExit();
    }
}

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From source file:cc.pp.analyzer.paoding.knife.PaodingMaker.java

@SuppressWarnings("resource")
private static long getFileLastModified(File file) throws IOException {
    String path = file.getPath();
    int jarIndex = path.indexOf(".jar!");
    if (jarIndex == -1) {
        return file.lastModified();
    } else {/*from  www  .java2 s. com*/
        path = path.replaceAll("%20", " ").replaceAll("\\\\", "/");
        jarIndex = path.indexOf(".jar!");
        int protocalIndex = path.indexOf(":");
        String jarPath = path.substring(protocalIndex + ":".length(), jarIndex + ".jar".length());
        File jarPathFile = new File(jarPath);
        JarFile jarFile;
        try {
            jarFile = new JarFile(jarPathFile);
            String entryPath = path.substring(jarIndex + ".jar!/".length());
            JarEntry entry = jarFile.getJarEntry(entryPath);
            return entry.getTime();
        } catch (IOException e) {
            System.err.println("error in handler path=" + path);
            System.err.println("error in handler jarPath=" + jarPath);
            throw e;
        }
    }
}

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From source file:net.paoding.analysis.knife.PaodingMaker.java

private static long getFileLastModified(File file) throws IOException {
    String path = file.getPath();
    int jarIndex = path.indexOf(".jar!");
    if (jarIndex == -1) {
        return file.lastModified();
    } else {/*from   www .  j a  v  a2 s.  c  o m*/
        path = path.replaceAll("%20", " ").replaceAll("\\\\", "/");
        jarIndex = path.indexOf(".jar!");
        int protocalIndex = path.indexOf(":");
        String jarPath = path.substring(protocalIndex + ":".length(), jarIndex + ".jar".length());
        File jarPathFile = new File(jarPath);
        JarFile jarFile;
        try {
            jarFile = new JarFile(jarPathFile);
            String entryPath = path.substring(jarIndex + ".jar!/".length());
            JarEntry entry = jarFile.getJarEntry(entryPath);
            return entry.getTime();
        } catch (IOException e) {
            System.err.println("error in handler path=" + path);
            System.err.println("error in handler jarPath=" + jarPath);
            throw e;
        }
    }
}

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From source file:ArchiveUtil.java

/**
 * Extracts the file {@code archive} to the target dir {@code targetDir} and deletes the 
 * files extracted upon jvm exit if the flag {@code deleteOnExit} is true.
 *///  ww w .j a v a 2 s .  com
public static boolean extract(URL archive, File targetDir, boolean deleteOnExit) throws IOException {
    String archiveStr = archive.toString();
    String jarEntry = null;
    int idx = archiveStr.indexOf("!/");
    if (idx != -1) {
        if (!archiveStr.startsWith("jar:") && archiveStr.length() == idx + 2)
            return false;
        archive = new URL(archiveStr.substring(4, idx));
        jarEntry = archiveStr.substring(idx + 2);
    } else if (!isSupported(archiveStr))
        return false;

    JarInputStream jis = new JarInputStream(archive.openConnection().getInputStream());
    if (!targetDir.exists())
        targetDir.mkdirs();
    JarEntry entry = null;
    while ((entry = jis.getNextJarEntry()) != null) {
        String entryName = entry.getName();
        File entryFile = new File(targetDir, entryName);
        if (!entry.isDirectory()) {
            if (jarEntry == null || entryName.startsWith(jarEntry)) {
                if (!entryFile.exists() || entryFile.lastModified() != entry.getTime())
                    extractEntry(entryFile, jis, entry, deleteOnExit);
            }
        }
    }
    try {
        jis.close();
    } catch (Exception e) {
    }
    return true;
}

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From source file:net.lightbody.bmp.proxy.jetty.util.JarResource.java

public static void extract(Resource resource, File directory, boolean deleteOnExit) throws IOException {
    if (log.isDebugEnabled())
        log.debug("Extract " + resource + " to " + directory);
    JarInputStream jin = new JarInputStream(resource.getInputStream());
    JarEntry entry = null;
    while ((entry = jin.getNextJarEntry()) != null) {
        File file = new File(directory, entry.getName());
        if (entry.isDirectory()) {
            // Make directory
            if (!file.exists())
                file.mkdirs();//from  w w  w  .jav  a 2s.c o  m
        } else {
            // make directory (some jars don't list dirs)
            File dir = new File(file.getParent());
            if (!dir.exists())
                dir.mkdirs();

            // Make file
            FileOutputStream fout = null;
            try {
                fout = new FileOutputStream(file);
                IO.copy(jin, fout);
            } finally {
                IO.close(fout);
            }

            // touch the file.
            if (entry.getTime() >= 0)
                file.setLastModified(entry.getTime());
        }
        if (deleteOnExit)
            file.deleteOnExit();
    }
}

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From source file:com.taobao.android.builder.tools.classinject.CodeInjectByJavassist.java

/**
 * jar?//from ww w. j ava 2 s .c  o  m
 *
 * @param inJar
 * @param outJar
 * @throws IOException
 * @throws NotFoundException
 * @throws CannotCompileException
 */
public static List<String> inject(ClassPool pool, File inJar, File outJar, InjectParam injectParam)
        throws Exception {
    List<String> errorFiles = new ArrayList<String>();
    JarFile jarFile = newJarFile(inJar);

    outJar.getParentFile().mkdirs();
    FileOutputStream fileOutputStream = new FileOutputStream(outJar);
    JarOutputStream jos = new JarOutputStream(new BufferedOutputStream(fileOutputStream));
    Enumeration<JarEntry> jarFileEntries = jarFile.entries();
    JarEntry jarEntry = null;
    while (jarFileEntries.hasMoreElements()) {
        jarEntry = jarFileEntries.nextElement();
        String name = jarEntry.getName();
        String className = StringUtils.replace(name, File.separator, "/");
        className = StringUtils.replace(className, "/", ".");
        className = StringUtils.substring(className, 0, className.length() - 6);
        if (!StringUtils.endsWithIgnoreCase(name, ".class")) {
            InputStream inputStream = jarFile.getInputStream(jarEntry);
            copyStreamToJar(inputStream, jos, name, jarEntry.getTime(), jarEntry);
            IOUtils.closeQuietly(inputStream);
        } else {
            byte[] codes;

            codes = inject(pool, className, injectParam);
            InputStream classInstream = new ByteArrayInputStream(codes);
            copyStreamToJar(classInstream, jos, name, jarEntry.getTime(), jarEntry);

        }
    }
    jarFile.close();
    IOUtils.closeQuietly(jos);
    return errorFiles;
}

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From source file:WarUtil.java

/**
 * WAR???????????//from  w w w  .ja  v a2s  .c  om
 * 
 * @param warFile
 * @param directory
 * @throws IOException
 */
public static void extractWar(File warFile, File directory) throws IOException {
    try {
        long timestamp = warFile.lastModified();
        File warModifiedTimeFile = new File(directory, LAST_MODIFIED_FILE);
        long lastModified = readLastModifiled(warModifiedTimeFile);

        if (timestamp == lastModified) {
            //      log.info("war file " + warFile.getName() + " not modified.");
            return;
        }
        if (directory.exists()) {
            //         IOUtil.forceRemoveDirectory(directory);
            directory.mkdir();
        }

        //         log.info("war extract start. warfile=" + warFile.getName());

        JarInputStream jin = new JarInputStream(new BufferedInputStream(new FileInputStream(warFile)));
        JarEntry entry = null;

        while ((entry = jin.getNextJarEntry()) != null) {
            File file = new File(directory, entry.getName());

            if (entry.isDirectory()) {
                if (!file.exists()) {
                    file.mkdirs();
                }
            } else {
                File dir = new File(file.getParent());
                if (!dir.exists()) {
                    dir.mkdirs();
                }

                FileOutputStream fout = null;
                try {
                    fout = new FileOutputStream(file);
                    ResourceUtil.copyStream(jin, fout);
                } finally {
                    fout.flush();
                    fout.close();
                    fout = null;
                }

                if (entry.getTime() >= 0) {
                    file.setLastModified(entry.getTime());
                }
            }
        }

        writeLastModifiled(warModifiedTimeFile, timestamp);

        //log.info("war extract success. lastmodified=" + timestamp);
    } catch (IOException ioe) {
        //log.info("war extract fail.");
        throw ioe;
    }
}

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