Example usage for java.util.jar JarInputStream getNextJarEntry

Introduction

In this page you can find the example usage for java.util.jar JarInputStream getNextJarEntry.

Prototype

public JarEntry getNextJarEntry() throws IOException 

Source Link

Document

Reads the next JAR file entry and positions the stream at the beginning of the entry data.

Usage

From source file:org.bimserver.plugins.JarClassLoader.java

private void loadSubJars(byte[] byteArray) {
    try {/*from  w  w  w.jav a2  s  .com*/
        JarInputStream jarInputStream = new JarInputStream(new ByteArrayInputStream(byteArray));
        JarEntry entry = jarInputStream.getNextJarEntry();
        while (entry != null) {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            IOUtils.copy(jarInputStream, byteArrayOutputStream);
            map.put(entry.getName(), byteArrayOutputStream.toByteArray());
            entry = jarInputStream.getNextJarEntry();
        }
        jarInputStream.close();
    } catch (IOException e) {
        LOGGER.error("", e);
    }
}

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From source file:se.crisp.codekvast.support.web.config.WebjarVersionFilter.java

private void analyzeJar(URL jarUrl, Pattern pattern) throws IOException {
    // Look for entries that match the pattern...
    JarInputStream inputStream = new JarInputStream(jarUrl.openStream());

    JarEntry jarEntry = inputStream.getNextJarEntry();
    while (jarEntry != null) {
        log.trace("Considering {}", jarEntry);

        Matcher matcher = pattern.matcher(jarEntry.getName());
        if (matcher.matches()) {
            String key = matcher.group(1);
            String value = matcher.group(2);
            versions.put(key, value);//from   ww w.ja  va  2s.  c o m
            log.debug("{} is a webjar, adding {}={} to map", basename(jarUrl.getPath()), key, value);
            return;
        }
        jarEntry = inputStream.getNextJarEntry();
    }
}

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From source file:org.bimserver.plugins.classloaders.JarClassLoader.java

public JarClassLoader(ClassLoader parentClassLoader, File jarFile) throws FileNotFoundException, IOException {
    super(parentClassLoader);
    this.jarFile = jarFile;
    JarInputStream jarInputStream = new JarInputStream(new FileInputStream(jarFile));
    JarEntry entry = jarInputStream.getNextJarEntry();
    while (entry != null) {
        if (entry.getName().endsWith(".jar")) {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            IOUtils.copy(jarInputStream, byteArrayOutputStream);

            // Not storing the original JAR, so future code will be unable to read the original
            loadSubJars(byteArrayOutputStream.toByteArray());
        } else {//  ww w  .ja  v a 2s.c  om
            // Files are being stored deflated in memory because most of the time a lot of files are not being used (or the complete plugin is not being used)
            addDataToMap(jarInputStream, entry);
        }
        entry = jarInputStream.getNextJarEntry();
    }
    jarInputStream.close();
}

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From source file:org.bimserver.plugins.classloaders.JarClassLoader.java

private void loadSubJars(byte[] byteArray) {
    try {//from   w w w . j  a v  a 2 s.co m
        JarInputStream jarInputStream = new JarInputStream(new ByteArrayInputStream(byteArray));
        JarEntry entry = jarInputStream.getNextJarEntry();
        while (entry != null) {
            addDataToMap(jarInputStream, entry);
            entry = jarInputStream.getNextJarEntry();
        }
        jarInputStream.close();
    } catch (IOException e) {
        LOGGER.error("", e);
    }
}

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

void copyEntries(JarInputStream source, JarOutputStream dest) throws IOException {
    JarEntry originalJarEntry = source.getNextJarEntry();
    while (originalJarEntry != null) {
        final JarEntry newJarEntry = cloneEntry(originalJarEntry);
        dest.putNextEntry(newJarEntry);//from  w ww. j a  va2 s .com
        if (!handled(originalJarEntry, source, dest)) {
            IOUtils.copy(source, dest);
        }
        dest.closeEntry();
        dest.flush();
        originalJarEntry = source.getNextJarEntry();
    }
}

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From source file:org.bimserver.plugins.classloaders.MemoryJarClassLoader.java

public MemoryJarClassLoader(ClassLoader parentClassLoader, File jarFile)
        throws FileNotFoundException, IOException {
    super(parentClassLoader);
    this.jarFile = jarFile;
    JarInputStream jarInputStream = new JarInputStream(new FileInputStream(jarFile));
    JarEntry entry = jarInputStream.getNextJarEntry();
    while (entry != null) {
        if (entry.getName().endsWith(".jar")) {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            IOUtils.copy(jarInputStream, byteArrayOutputStream);

            // Not storing the original JAR, so future code will be unable to read the original
            loadSubJars(byteArrayOutputStream.toByteArray());
        } else {//from  w  w  w .ja  va2s  .  c  om
            // Files are being stored deflated in memory because most of the time a lot of files are not being used (or the complete plugin is not being used)
            addDataToMap(jarInputStream, entry);
        }
        entry = jarInputStream.getNextJarEntry();
    }
    jarInputStream.close();
}

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From source file:gov.nih.nci.restgen.util.JarHelper.java

/**
 * Given an InputStream on a jar file, unjars the contents into the given
 * directory.// www.  j  a  va 2 s .c  om
 */
public void unjar(InputStream in, File destDir) throws IOException {
    BufferedOutputStream dest = null;
    JarInputStream jis = new JarInputStream(in);
    JarEntry entry;
    while ((entry = jis.getNextJarEntry()) != null) {
        if (entry.isDirectory()) {
            File dir = new File(destDir, entry.getName());
            dir.mkdir();
            if (entry.getTime() != -1)
                dir.setLastModified(entry.getTime());
            continue;
        }
        int count;
        byte data[] = new byte[BUFFER_SIZE];
        File destFile = new File(destDir, entry.getName());
        if (mVerbose) {
            //System.out.println("unjarring " + destFile + " from " + entry.getName());
        }
        FileOutputStream fos = new FileOutputStream(destFile);
        dest = new BufferedOutputStream(fos, BUFFER_SIZE);
        while ((count = jis.read(data, 0, BUFFER_SIZE)) != -1) {
            dest.write(data, 0, count);
        }
        dest.flush();
        dest.close();
        if (entry.getTime() != -1)
            destFile.setLastModified(entry.getTime());
    }
    jis.close();
}

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From source file:org.n52.ifgicopter.spf.common.PluginRegistry.java

/**
 * @param jar//from  w w  w  .  j av  a2  s. com
 *        the jar
 * @return list of fqcn
 */
private List<String> listClasses(File jar) throws IOException {
    ArrayList<String> result = new ArrayList<String>();

    JarInputStream jis = new JarInputStream(new FileInputStream(jar));
    JarEntry je;

    while (jis.available() > 0) {
        je = jis.getNextJarEntry();

        if (je != null) {
            if (je.getName().endsWith(".class")) {
                result.add(je.getName().replaceAll("/", "\\.").substring(0, je.getName().indexOf(".class")));
            }
        }
    }

    return result;
}

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From source file:com.thoughtworks.go.util.NestedJarClassLoader.java

private URL[] enumerateJar(URL urlOfJar) {
    LOGGER.debug("Enumerating jar: {}", urlOfJar);
    List<URL> urls = new ArrayList<>();
    urls.add(urlOfJar);/*from   w  w w .  j a  va2  s.c om*/
    try {
        JarInputStream jarStream = new JarInputStream(urlOfJar.openStream());
        JarEntry entry;
        while ((entry = jarStream.getNextJarEntry()) != null) {
            if (!entry.isDirectory() && entry.getName().endsWith(".jar")) {
                urls.add(expandJarAndReturnURL(jarStream, entry));
            }
        }
    } catch (IOException e) {
        LOGGER.error("Failed to enumerate jar {}", urlOfJar, e);
    }
    return urls.toArray(new URL[0]);
}

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

protected void verifyAssembly(File warFile) throws Exception {
    PlutoWebXmlRewriter webXmlRewriter = null;
    PortletAppDescriptorService portletSvc = new PortletAppDescriptorServiceImpl();
    int entryCount = 0;
    ByteArrayOutputStream portletXmlBytes = new ByteArrayOutputStream();
    ByteArrayOutputStream webXmlBytes = new ByteArrayOutputStream();
    PortletApplicationDefinition portletApp = null;

    JarInputStream assembledWarIn = new JarInputStream(new FileInputStream(warFile));
    JarEntry tempEntry;// w  w w  .j  av a 2 s .  co m

    while ((tempEntry = assembledWarIn.getNextJarEntry()) != null) {
        entryCount++;

        if (Assembler.PORTLET_XML.equals(tempEntry.getName())) {
            IOUtils.copy(assembledWarIn, portletXmlBytes);
            portletApp = portletSvc.read("test", "/test",
                    new ByteArrayInputStream(portletXmlBytes.toByteArray()));
        }
        if (Assembler.SERVLET_XML.equals(tempEntry.getName())) {
            IOUtils.copy(assembledWarIn, webXmlBytes);
            webXmlRewriter = new PlutoWebXmlRewriter(new ByteArrayInputStream(webXmlBytes.toByteArray()));
        }
    }

    assertTrue("Assembled WAR file was empty.", entryCount > 0);
    assertNotNull("Web Application Descripter was null.", webXmlRewriter);
    assertNotNull("Portlet Application Descriptor was null.", portletApp);
    assertTrue("Portlet Application Descriptor doesn't define any portlets.",
            portletApp.getPortlets().size() > 0);
    assertTrue("Web Application Descriptor doesn't define any servlets.", webXmlRewriter.hasServlets());
    assertTrue("Web Application Descriptor doesn't define any servlet mappings.",
            webXmlRewriter.hasServletMappings());

    PortletDefinition portlet = (PortletDefinition) portletApp.getPortlets().iterator().next();
    assertTrue("Unable to retrieve test portlet named [" + testPortletName + "]",
            portlet.getPortletName().equals(testPortletName));

    String servletClassName = webXmlRewriter.getServletClass(testPortletName);
    assertNotNull("Unable to retrieve portlet dispatch for portlet named [" + testPortletName + "]",
            servletClassName);
    assertEquals("Dispatcher servlet incorrect for test portlet [" + testPortletName + "]",
            Assembler.DISPATCH_SERVLET_CLASS, servletClassName);
}

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