Java Utililty Methods Resource Load

List of utility methods to do Resource Load

  1. HOME
  2. Java
  3. R
  4. Resource Load

Description

The list of methods to do Resource Load are organized into topic(s).

Method

ListgetResourcesFromJarFile(File file, String resName)
get Resources From Jar File 
List<String> retval = new ArrayList<String>();
try {
    ZipFile zf = new ZipFile(file);
    Enumeration e = zf.entries();
    while (e.hasMoreElements()) {
        ZipEntry ze = (ZipEntry) e.nextElement();
        String entry = ze.getName();
        if (entry.startsWith(resName)) {
...
CollectiongetResourcesFromJarFile(final File file, final Pattern pattern)
Gets the resources from jar file. 
final ArrayList<String> retval = new ArrayList<String>();
ZipFile zf;
try {
    zf = new ZipFile(file);
} catch (final ZipException e) {
    throw new Error(e);
} catch (final IOException e) {
    throw new Error(e);
...
MapgetResourcesFromZip(final byte[] barContent)
get Resources From Zip 
final Map<String, byte[]> resources = new HashMap<String, byte[]>();
final InputStream in = new ByteArrayInputStream(barContent);
final ZipInputStream zis = new ZipInputStream(in);
ZipEntry zipEntry = null;
while ((zipEntry = zis.getNextEntry()) != null) {
    if (!zipEntry.isDirectory()) {
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int c;
...
longgetResourceSize(ClassLoader classLoader, String path)
get Resource Size 
final InputStream is = classLoader.getResourceAsStream(path);
try {
    long n = 0;
    while (is.read() >= 0) {
        n++;
    return n;
} finally {
...
InputStreamgetResourceStream(Class clazz, String resourceName)
Returns a resource as a stream by checking: 1. 
String cpResourceName = null;
if (!resourceName.startsWith("/")) {
    cpResourceName = "/" + resourceName;
} else {
    cpResourceName = resourceName;
InputStream is = clazz.getResourceAsStream(cpResourceName);
if (is == null) {
...
InputStreamgetResourceStream(final String resource)
get Resource Stream 
return getClassLoader().getResourceAsStream(resource);
InputStreamgetResourceStream(String className, ClassLoader classLoader)
Gets the input stream from a class file. 
return classLoader.getResourceAsStream(className.replace('.', '/') + ".class");
InputStreamgetResourceStream(String name)
Resources are those stored in the class path (e.g., src/main/resources). 
ClassLoader loader = Thread.currentThread().getContextClassLoader();
return loader.getResourceAsStream(name);
InputStreamgetResourceStream(String pathToResource)
get Resource Stream 
try {
    return Class.forName("org.smartfrog.tools.eclipse.core.CoreUtilities") 
            .getResourceAsStream(pathToResource);
} catch (ClassNotFoundException e) {
    return null;
InputStreamgetResourceStream(String resource, Class root)
Load a resource as a stream 
String fullResourceName = resource;
InputStream istream = root.getResourceAsStream(fullResourceName);
if (istream == null && !resource.startsWith("/")) {
    fullResourceName = "/" + resource;
    istream = root.getResourceAsStream(fullResourceName);
    if (istream == null && !resource.startsWith("/")) {
        fullResourceName = "/" + resource;
        istream = root.getResourceAsStream(fullResourceName);
...