Example usage for java.util.jar JarEntry getComment

List of usage examples for java.util.jar JarEntry getComment

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Introduction

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

Prototype

public String getComment()

Source Link

Document

Returns the comment string for the entry.

Usage

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();

        long crc = je.getCrc();
        System.out.println("Its CRC is " + crc);
        String comment = je.getComment();
        if (comment != null && !comment.equals("")) {
            System.out.println(comment);
        }/*  ww w  .  j  a v  a  2  s. c o m*/
        if (je.isDirectory()) {
            System.out.println(name + " is a directory");
        }

    }
}

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);
        }/*  w ww. j a  v a2s.  co 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();
    }
}

From source file:org.apache.pluto.util.assemble.io.JarStreamingAssembly.java

private static JarEntry smartClone(JarEntry originalJarEntry) {
    final JarEntry newJarEntry = new JarEntry(originalJarEntry.getName());
    newJarEntry.setComment(originalJarEntry.getComment());
    newJarEntry.setExtra(originalJarEntry.getExtra());
    newJarEntry.setMethod(originalJarEntry.getMethod());
    newJarEntry.setTime(originalJarEntry.getTime());

    //Must set size and CRC for STORED entries
    if (newJarEntry.getMethod() == ZipEntry.STORED) {
        newJarEntry.setSize(originalJarEntry.getSize());
        newJarEntry.setCrc(originalJarEntry.getCrc());
    }/*w  ww.  ja  v  a2 s .c  o  m*/

    return newJarEntry;
}

From source file:org.apache.sling.maven.bundlesupport.AbstractBundleDeployMojo.java

/**
 * Change the version in jar//from w  w w  .j av  a 2 s  .c  om
 * 
 * @param newVersion
 * @param file
 * @return
 * @throws MojoExecutionException
 */
protected File changeVersion(File file, String oldVersion, String newVersion) throws MojoExecutionException {
    String fileName = file.getName();
    int pos = fileName.indexOf(oldVersion);
    fileName = fileName.substring(0, pos) + newVersion + fileName.substring(pos + oldVersion.length());

    JarInputStream jis = null;
    JarOutputStream jos;
    OutputStream out = null;
    JarFile sourceJar = null;
    try {
        // now create a temporary file and update the version
        sourceJar = new JarFile(file);
        final Manifest manifest = sourceJar.getManifest();
        manifest.getMainAttributes().putValue("Bundle-Version", newVersion);

        jis = new JarInputStream(new FileInputStream(file));
        final File destJar = new File(file.getParentFile(), fileName);
        out = new FileOutputStream(destJar);
        jos = new JarOutputStream(out, manifest);

        jos.setMethod(JarOutputStream.DEFLATED);
        jos.setLevel(Deflater.BEST_COMPRESSION);

        JarEntry entryIn = jis.getNextJarEntry();
        while (entryIn != null) {
            JarEntry entryOut = new JarEntry(entryIn.getName());
            entryOut.setTime(entryIn.getTime());
            entryOut.setComment(entryIn.getComment());
            jos.putNextEntry(entryOut);
            if (!entryIn.isDirectory()) {
                IOUtils.copy(jis, jos);
            }
            jos.closeEntry();
            jis.closeEntry();
            entryIn = jis.getNextJarEntry();
        }

        // close the JAR file now to force writing
        jos.close();
        return destJar;
    } catch (IOException ioe) {
        throw new MojoExecutionException("Unable to update version in jar file.", ioe);
    } finally {
        if (sourceJar != null) {
            try {
                sourceJar.close();
            } catch (IOException ex) {
                // close
            }
        }
        IOUtils.closeQuietly(jis);
        IOUtils.closeQuietly(out);
    }

}

From source file:org.apache.sling.osgi.obr.Repository.java

File spoolModified(InputStream ins) throws IOException {
    JarInputStream jis = new JarInputStream(ins);

    // immediately handle the manifest
    JarOutputStream jos;/*from   w w w  .jav  a 2  s  .c  o m*/
    Manifest manifest = jis.getManifest();
    if (manifest == null) {
        throw new IOException("Missing Manifest !");
    }

    String symbolicName = manifest.getMainAttributes().getValue("Bundle-SymbolicName");
    if (symbolicName == null || symbolicName.length() == 0) {
        throw new IOException("Missing Symbolic Name in Manifest !");
    }

    String version = manifest.getMainAttributes().getValue("Bundle-Version");
    Version v = Version.parseVersion(version);
    if (v.getQualifier().indexOf("SNAPSHOT") >= 0) {
        String tStamp;
        synchronized (DATE_FORMAT) {
            tStamp = DATE_FORMAT.format(new Date());
        }
        version = v.getMajor() + "." + v.getMinor() + "." + v.getMicro() + "."
                + v.getQualifier().replaceAll("SNAPSHOT", tStamp);
        manifest.getMainAttributes().putValue("Bundle-Version", version);
    }

    File bundle = new File(this.repoLocation, symbolicName + "-" + v + ".jar");
    OutputStream out = null;
    try {
        out = new FileOutputStream(bundle);
        jos = new JarOutputStream(out, manifest);

        jos.setMethod(JarOutputStream.DEFLATED);
        jos.setLevel(Deflater.BEST_COMPRESSION);

        JarEntry entryIn = jis.getNextJarEntry();
        while (entryIn != null) {
            JarEntry entryOut = new JarEntry(entryIn.getName());
            entryOut.setTime(entryIn.getTime());
            entryOut.setComment(entryIn.getComment());
            jos.putNextEntry(entryOut);
            if (!entryIn.isDirectory()) {
                spool(jis, jos);
            }
            jos.closeEntry();
            jis.closeEntry();
            entryIn = jis.getNextJarEntry();
        }

        // close the JAR file now to force writing
        jos.close();

    } finally {
        IOUtils.closeQuietly(out);
    }

    return bundle;
}

From source file:org.jahia.modules.serversettings.portlets.BasePortletHelper.java

static JarEntry cloneEntry(JarEntry originalJarEntry) {
    final JarEntry newJarEntry = new JarEntry(originalJarEntry.getName());
    newJarEntry.setComment(originalJarEntry.getComment());
    newJarEntry.setExtra(originalJarEntry.getExtra());
    newJarEntry.setMethod(originalJarEntry.getMethod());
    newJarEntry.setTime(originalJarEntry.getTime());

    // Must set size and CRC for STORED entries
    if (newJarEntry.getMethod() == ZipEntry.STORED) {
        newJarEntry.setSize(originalJarEntry.getSize());
        newJarEntry.setCrc(originalJarEntry.getCrc());
    }/*from   ww w.ja v a 2s  . c om*/

    return newJarEntry;
}

From source file:org.springframework.boot.loader.tools.RepackagerTests.java

@Test
public void libraries() throws Exception {
    TestJarFile libJar = new TestJarFile(this.temporaryFolder);
    libJar.addClass("a/b/C.class", ClassWithoutMainMethod.class, JAN_1_1985);
    File libJarFile = libJar.getFile();
    File libJarFileToUnpack = libJar.getFile();
    File libNonJarFile = this.temporaryFolder.newFile();
    FileCopyUtils.copy(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8 }, libNonJarFile);
    this.testJarFile.addClass("a/b/C.class", ClassWithMainMethod.class);
    this.testJarFile.addFile("BOOT-INF/lib/" + libJarFileToUnpack.getName(), libJarFileToUnpack);
    File file = this.testJarFile.getFile();
    libJarFile.setLastModified(JAN_1_1980);
    Repackager repackager = new Repackager(file);
    repackager.repackage((callback) -> {
        callback.library(new Library(libJarFile, LibraryScope.COMPILE));
        callback.library(new Library(libJarFileToUnpack, LibraryScope.COMPILE, true));
        callback.library(new Library(libNonJarFile, LibraryScope.COMPILE));
    });/*from w  w  w  .  j a va  2 s. c  om*/
    assertThat(hasEntry(file, "BOOT-INF/lib/" + libJarFile.getName())).isTrue();
    assertThat(hasEntry(file, "BOOT-INF/lib/" + libJarFileToUnpack.getName())).isTrue();
    assertThat(hasEntry(file, "BOOT-INF/lib/" + libNonJarFile.getName())).isFalse();
    JarEntry entry = getEntry(file, "BOOT-INF/lib/" + libJarFile.getName());
    assertThat(entry.getTime()).isEqualTo(JAN_1_1985);
    entry = getEntry(file, "BOOT-INF/lib/" + libJarFileToUnpack.getName());
    assertThat(entry.getComment()).startsWith("UNPACK:");
    assertThat(entry.getComment().length()).isEqualTo(47);
}

From source file:org.springframework.boot.loader.tools.RepackagerTests.java

@Test
public void existingEntryThatMatchesUnpackLibraryIsMarkedForUnpack() throws IOException {
    File library = createLibrary();
    this.testJarFile.addClass("WEB-INF/classes/com/example/Application.class", ClassWithMainMethod.class);
    this.testJarFile.addFile("WEB-INF/lib/" + library.getName(), library);
    File source = this.testJarFile.getFile("war");
    File dest = this.temporaryFolder.newFile("dest.war");
    Repackager repackager = new Repackager(source);
    repackager.setLayout(new Layouts.War());
    repackager.repackage(dest,/*from w w w . jav a  2  s.  c o  m*/
            (callback) -> callback.library(new Library(library, LibraryScope.COMPILE, true)));
    assertThat(getEntryNames(dest)).containsSubsequence("org/springframework/boot/loader/",
            "WEB-INF/classes/com/example/Application.class", "WEB-INF/lib/" + library.getName());
    JarEntry unpackLibrary = getEntry(dest, "WEB-INF/lib/" + library.getName());
    assertThat(unpackLibrary.getComment()).startsWith("UNPACK:");
}