Example usage for java.net JarURLConnection getJarFile

Introduction

In this page you can find the example usage for java.net JarURLConnection getJarFile.

Prototype

public abstract JarFile getJarFile() throws IOException;

Source Link

Document

Return the JAR file for this connection.

Usage

From source file:org.ops4j.pax.url.assembly.internal.ResourceAssembly.java

private void scan(final Source source, final MergePolicy policy) throws IOException {
    // try out an url
    LOGGER.trace("Searching for [" + source + "]");
    final String path = source.path();
    URL url = null;// w  w  w .j  a v a 2 s.  co m
    try {
        url = new URL(path);
    } catch (MalformedURLException ignore) {
        // ignore this as the spec may be resolved other way
        LOGGER.trace(String.format("Path [%s] is not a valid url. Reason: %s. Continue discovery...", path,
                ignore.getMessage()));
    }
    File file = null;
    if (url != null && "file".equals(url.getProtocol()))
    // if we have an url and it's a file url
    {
        try {
            final URI uri = new URI(url.toExternalForm().replaceAll(" ", "%20"));
            file = new File(uri);
        } catch (URISyntaxException ignore) {
            // ignore this as the spec may be resolved other way
            LOGGER.trace(String.format("Path [%s] is not a valid url. Reason: %s. Continue discovery...", path,
                    ignore.getMessage()));
        }
    } else
    // if we don't have an url then let's try out a direct file
    {
        file = new File(path);
    }
    if (file != null && file.exists())
    // if we have a directory
    {
        if (file.isDirectory()) {
            list(file, new DirectoryLister(file, source.includes(), source.excludes()), policy);
            return;
        } else {
            LOGGER.trace(String.format("Path [%s] is not a valid directory. Continue discovery...", path));
        }
    } else {
        LOGGER.trace(String.format("Path [%s] is not a valid file. Continue discovery...", path));
    }
    // on this point we may have a zip
    try {
        ZipFile zip = null;
        URL baseUrl = null;
        if (file != null && file.exists())
        // try out a zip from the file we have
        {
            zip = new ZipFile(file);
            baseUrl = file.toURL();
        } else if (url != null) {
            zip = new ZipFile(url.toExternalForm());
            baseUrl = url;
        }
        if (zip != null && baseUrl != null) {
            list(new ZipLister(baseUrl, zip.entries(), source.includes(), source.excludes()), policy);
            return;
        }
    } catch (IOException ignore) {
        // ignore for the moment
        LOGGER.trace(String.format("Path [%s] is not a valid zip. Reason: %s. Continue discovery...", path,
                ignore.getMessage()));
    }
    // finally try with a zip protocol
    if (url != null && !url.toExternalForm().startsWith("jar")) {
        try {
            final URL jarUrl = new URL("jar:" + url.toURI().toASCIIString() + "!/");
            final JarURLConnection jar = (JarURLConnection) jarUrl.openConnection();
            list(new ZipLister(url, jar.getJarFile().entries(), source.includes(), source.excludes()), policy);
            return;
        } catch (IOException ignore) {
            LOGGER.trace(String.format("Path [%s] is not a valid jar. Reason: %s", path, ignore.getMessage()));
        } catch (URISyntaxException ignore) {
            LOGGER.trace(String.format("Path [%s] is not a valid jar. Reason: %s", path, ignore.getMessage()));
        }
    }
    // if we got to this point then we cannot go further
    LOGGER.trace(String.format("Source [%s] cannot be used. Stopping.", source));
    throw new HierarchicalIOException(String.format("Source [%s] cannot be used. Stopping.", source));
}

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From source file:net.ontopia.utils.ResourcesDirectoryReader.java

private void findResourcesFromJar(URL jarPath) {
    try {//from  w ww  .j  a  va 2 s  .  c  o m
        JarURLConnection jarConnection = (JarURLConnection) jarPath.openConnection();
        JarFile jarFile = jarConnection.getJarFile();
        Enumeration<JarEntry> entries = jarFile.entries();
        while (entries.hasMoreElements()) {
            JarEntry entry = entries.nextElement();
            String resourcePath = entry.getName();
            if ((!entry.isDirectory()) && (resourcePath.startsWith(directoryPath))
                    && (searchSubdirectories || !resourcePath.substring(directoryPath.length()).contains("/"))
                    && (filtersApply(resourcePath))) {
                // cannot do new URL(jarPath, resourcePath), somehow leads to duplicated path
                // retest on java 8
                Enumeration<URL> urls = classLoader.getResources(resourcePath);
                while (urls.hasMoreElements()) {
                    URL url = urls.nextElement();
                    if (url.toExternalForm().startsWith(jarPath.toExternalForm())) {
                        resources.add(url);
                    }
                }
            }
        }
    } catch (IOException e) {
    }
}

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From source file:org.wymiwyg.commons.util.dirbrowser.ZipPathNode.java

/**
 * @param connection/*from  w  w  w.  ja v a 2  s  .c  o m*/
 */
public ZipPathNode(JarURLConnection connection) throws IOException {
    entryName = connection.getJarEntry().getName();
    file = connection.getJarFile();
}

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From source file:com.github.ithildir.liferay.mobile.go.GoSDKBuilder.java

protected void copyJarResource(JarURLConnection jarConnection, File destinationDir) throws IOException {

    String jarConnectionEntryName = jarConnection.getEntryName();
    JarFile jarFile = jarConnection.getJarFile();

    Enumeration<JarEntry> enu = jarFile.entries();

    while (enu.hasMoreElements()) {
        JarEntry jarEntry = enu.nextElement();
        String jarEntryName = jarEntry.getName();

        if (jarEntryName.startsWith(jarConnectionEntryName)) {
            String fileName = jarEntryName;

            if (fileName.startsWith(jarConnectionEntryName)) {
                fileName = fileName.substring(jarConnectionEntryName.length());
            }// w  ww  . j  av  a 2  s  .c o  m

            File file = new File(destinationDir, fileName);

            if (jarEntry.isDirectory()) {
                file.mkdirs();
            } else {
                InputStream is = null;

                try {
                    is = jarFile.getInputStream(jarEntry);

                    FileUtils.copyInputStreamToFile(is, file);
                } finally {
                    IOUtils.closeQuietly(is);
                }
            }
        }
    }
}

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From source file:net.sf.freecol.FreeCol.java

/**
 * Get a stream for the default splash file.
 *
 * Note: Not bothering to check for nulls as this is called in try
 * block that ignores all exceptions.//from   w w  w .j av a2  s .  co  m
 *
 * @param juc The <code>JarURLConnection</code> to extract from.
 * @return A suitable <code>InputStream</code>, or null on error.
 */
private static InputStream getDefaultSplashStream(JarURLConnection juc) throws IOException {
    JarFile jf = juc.getJarFile();
    ZipEntry ze = jf.getEntry(SPLASH_DEFAULT);
    return jf.getInputStream(ze);
}

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From source file:io.fabric8.insight.log.support.LogQuerySupport.java

protected String jarIndex(URL url) throws IOException {
    StringBuilder buffer = new StringBuilder();
    JarURLConnection uc = (JarURLConnection) url.openConnection();
    return jarIndex(uc.getJarFile());
}

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From source file:org.mrgeo.utils.DependencyLoader.java

private static Set<Dependency> loadDependenciesFromJar(final String jarname) throws IOException {
    try {/* ww w .  j  av a  2s . com*/
        String jar = jarname;

        URL url;
        JarURLConnection conn;

        try {
            url = new URL(jar);
            conn = (JarURLConnection) url.openConnection();
        } catch (MalformedURLException e) {
            jar = (new File(jar)).toURI().toString();
            if (!jar.startsWith("jar:")) {
                jar = "jar:" + jar;
            }

            if (!jar.contains("!/")) {
                jar += "!/";
            }

            url = new URL(jar);
            conn = (JarURLConnection) url.openConnection();
        }

        log.debug("Looking in " + jar + " for dependency file");

        JarFile jf = conn.getJarFile();

        for (Enumeration<JarEntry> i = jf.entries(); i.hasMoreElements();) {
            JarEntry je = i.nextElement();
            String name = je.getName();
            if (name.endsWith("dependencies.properties")) {
                log.debug("Found dependency for " + jar + " -> " + name);
                URL resource = new URL(jar + name);
                InputStream is = resource.openStream();

                Set<Dependency> deps = readDependencies(is);

                is.close();
                return deps;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
        throw new IOException("Error Loading dependency properties file", e);
    }

    throw new IOException("No dependency properties file found in " + jarname);
}

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From source file:com.stacksync.desktop.Environment.java

public void copyResourcesFromJar(JarURLConnection jarConnection, File destDir) {

    try {/*w  w  w  . ja  va 2  s.com*/
        JarFile jarFile = jarConnection.getJarFile();

        /**
         * Iterate all entries in the jar file.
         */
        for (Enumeration<JarEntry> e = jarFile.entries(); e.hasMoreElements();) {

            JarEntry jarEntry = e.nextElement();
            String jarEntryName = jarEntry.getName();
            String jarConnectionEntryName = jarConnection.getEntryName();

            /**
             * Extract files only if they match the path.
             */
            if (jarEntryName.startsWith(jarConnectionEntryName)) {

                String filename = jarEntryName.startsWith(jarConnectionEntryName)
                        ? jarEntryName.substring(jarConnectionEntryName.length())
                        : jarEntryName;
                File currentFile = new File(destDir, filename);

                if (jarEntry.isDirectory()) {
                    currentFile.mkdirs();
                } else {
                    InputStream is = jarFile.getInputStream(jarEntry);
                    OutputStream out = FileUtils.openOutputStream(currentFile);
                    IOUtils.copy(is, out);
                    is.close();
                    out.close();
                }
            }
        }
    } catch (IOException e) {
        // TODO add logger
        e.printStackTrace();
    }

}

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From source file:com.technophobia.substeps.report.DefaultExecutionReportBuilder.java

public void copyJarResourcesRecursively(final File destination, final JarURLConnection jarConnection)
        throws IOException {
    final JarFile jarFile = jarConnection.getJarFile();
    for (final JarEntry entry : Collections.list(jarFile.entries())) {
        if (entry.getName().startsWith(jarConnection.getEntryName())) {
            final String fileName = StringUtils.removeStart(entry.getName(), jarConnection.getEntryName());
            if (!entry.isDirectory()) {
                InputStream entryInputStream = null;
                try {
                    entryInputStream = jarFile.getInputStream(entry);
                    FileUtils.copyInputStreamToFile(entryInputStream, new File(destination, fileName));
                } finally {
                    IOUtils.closeQuietly(entryInputStream);
                }/*from  w  w w.j ava 2  s  .c om*/
            } else {
                new File(destination, fileName).mkdirs();
            }
        }
    }
}

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From source file:org.apache.myfaces.config.impl.FacesConfigEntityResolver.java

public InputSource resolveEntity(String publicId, String systemId) throws IOException {
    InputStream stream;/*from  w  w w.j  a  v  a 2  s  .c o  m*/
    if (systemId.equals(FACES_CONFIG_1_0_DTD_SYSTEM_ID)) {
        stream = ClassUtils.getResourceAsStream(FACES_CONFIG_1_0_DTD_RESOURCE);
    } else if (systemId.equals(FACES_CONFIG_1_1_DTD_SYSTEM_ID)) {
        stream = ClassUtils.getResourceAsStream(FACES_CONFIG_1_1_DTD_RESOURCE);
    }

    else if (systemId.startsWith("jar:")) {
        URL url = new URL(systemId);
        JarURLConnection conn = (JarURLConnection) url.openConnection();
        JarEntry jarEntry = conn.getJarEntry();
        if (jarEntry == null) {
            log.fatal("JAR entry '" + systemId + "' not found.");
        }
        //_jarFile.getInputStream(jarEntry);
        stream = conn.getJarFile().getInputStream(jarEntry);
    } else {
        if (_externalContext == null) {
            stream = ClassUtils.getResourceAsStream(systemId);
        } else {
            if (systemId.startsWith("file:")) {
                systemId = systemId.substring(7); // remove file://
            }
            stream = _externalContext.getResourceAsStream(systemId);
        }
    }

    if (stream == null) {
        return null;
    }
    InputSource is = new InputSource(stream);
    is.setPublicId(publicId);
    is.setSystemId(systemId);
    is.setEncoding("ISO-8859-1");
    return is;
}

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