Example usage for org.apache.commons.io.filefilter TrueFileFilter TrueFileFilter

Introduction

In this page you can find the example usage for org.apache.commons.io.filefilter TrueFileFilter TrueFileFilter.

Prototype

protected TrueFileFilter() 

Source Link

Document

Restrictive consructor.

Usage

From source file:info.magnolia.cms.util.ClasspathResourcesUtil.java

/**
 * Load resources from jars or directories
 *
 * @param resources found resources will be added to this collection
 * @param jarOrDir  a File, can be a jar or a directory
 * @param filter    used to filter resources
 *//*from   w  w w.ja v  a2s .  c om*/
private static void collectFiles(Collection resources, File jarOrDir, Filter filter) {

    if (!jarOrDir.exists()) {
        log.warn("missing file: {}", jarOrDir.getAbsolutePath());
        return;
    }

    if (jarOrDir.isDirectory()) {
        if (log.isDebugEnabled())
            log.debug("looking in dir {}", jarOrDir.getAbsolutePath());

        Collection files = FileUtils.listFiles(jarOrDir, new TrueFileFilter() {
        }, new TrueFileFilter() {
        });
        for (Iterator iter = files.iterator(); iter.hasNext();) {
            File file = (File) iter.next();
            String name = StringUtils.substringAfter(file.getPath(), jarOrDir.getPath());

            // please, be kind to Windows!!!
            name = StringUtils.replace(name, "\\", "/");
            if (!name.startsWith("/")) {
                name = "/" + name;
            }

            if (filter.accept(name)) {
                resources.add(name);
            }
        }
    } else if (jarOrDir.getName().endsWith(".jar")) {
        if (log.isDebugEnabled())
            log.debug("looking in jar {}", jarOrDir.getAbsolutePath());
        JarFile jar;
        try {
            jar = new JarFile(jarOrDir);
        } catch (IOException e) {
            log.error("IOException opening file {}, skipping", jarOrDir.getAbsolutePath());
            return;
        }
        for (Enumeration em = jar.entries(); em.hasMoreElements();) {
            JarEntry entry = (JarEntry) em.nextElement();
            if (!entry.isDirectory()) {
                if (filter.accept("/" + entry.getName())) {
                    resources.add("/" + entry.getName());
                }
            }
        }
    } else {
        if (log.isDebugEnabled())
            log.debug("Unknown (not jar) file in classpath: {}, skipping.", jarOrDir.getName());
    }

}

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