Example usage for java.net URL getContent

Introduction

In this page you can find the example usage for java.net URL getContent.

Prototype

public final Object getContent() throws java.io.IOException 

Source Link

Document

Gets the contents of this URL.

Usage

From source file:org.gtdfree.ApplicationHelper.java

public static final ImageIcon loadIcon(String resource) {
    try {/*w  w w.  j  av  a 2s . co  m*/
        URL url = ApplicationHelper.class.getClassLoader().getResource(resource);
        if (!(url.getContent() instanceof ImageProducer))
            return null;
        return new ImageIcon(url);
    } catch (Exception e) {
        return null;
    }
}

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From source file:org.gtdfree.ApplicationHelper.java

public static final Image loadImage(String resource) {
    try {/* w w  w.  j  a v  a  2 s .co  m*/
        URL url = ApplicationHelper.class.getClassLoader().getResource(resource);
        if (!(url.getContent() instanceof ImageProducer))
            return null;
        return new ImageIcon(url).getImage();
    } catch (Exception e) {
        return null;
    }
}

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From source file:Main.java

static InputStream openRemoteInputStream(Uri uri) {
    URL finalUrl;
    try {//  w  ww .  j a  va 2s.c  o  m
        finalUrl = new URL(uri.toString());
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return null;
    }
    HttpURLConnection connection;
    try {
        connection = (HttpURLConnection) finalUrl.openConnection();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

    connection.setInstanceFollowRedirects(false);
    int code;
    try {
        code = connection.getResponseCode();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

    if ((code == 301) || (code == 302) || (code == 303)) {
        String newLocation = connection.getHeaderField("Location");
        return openRemoteInputStream(Uri.parse(newLocation));
    }
    try {
        return (InputStream) finalUrl.getContent();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:net.dataforte.commons.resources.ClassUtils.java

/**
 * Returns all resources beneath a folder. Supports filesystem, JARs and JBoss VFS
 * //  ww w  . j  a  v a  2s .c o  m
 * @param folder
 * @return
 * @throws IOException
 */
public static URL[] getResources(String folder) throws IOException {
    List<URL> urls = new ArrayList<URL>();
    ArrayList<File> directories = new ArrayList<File>();
    try {
        ClassLoader cld = Thread.currentThread().getContextClassLoader();
        if (cld == null) {
            throw new IOException("Can't get class loader.");
        }
        // Ask for all resources for the path
        Enumeration<URL> resources = cld.getResources(folder);
        while (resources.hasMoreElements()) {
            URL res = resources.nextElement();
            String resProtocol = res.getProtocol();
            if (resProtocol.equalsIgnoreCase("jar")) {
                JarURLConnection conn = (JarURLConnection) res.openConnection();
                JarFile jar = conn.getJarFile();
                for (JarEntry e : Collections.list(jar.entries())) {
                    if (e.getName().startsWith(folder) && !e.getName().endsWith("/")) {
                        urls.add(new URL(
                                joinUrl(res.toString(), "/" + e.getName().substring(folder.length() + 1)))); // FIXME: fully qualified name
                    }
                }
            } else if (resProtocol.equalsIgnoreCase("vfszip") || resProtocol.equalsIgnoreCase("vfs")) { // JBoss 5+
                try {
                    Object content = res.getContent();
                    Method getChildren = content.getClass().getMethod("getChildren");
                    List<?> files = (List<?>) getChildren.invoke(res.getContent());
                    Method toUrl = null;
                    for (Object o : files) {
                        if (toUrl == null) {
                            toUrl = o.getClass().getMethod("toURL");
                        }
                        urls.add((URL) toUrl.invoke(o));
                    }
                } catch (Exception e) {
                    throw new IOException("Error while scanning " + res.toString(), e);
                }
            } else if (resProtocol.equalsIgnoreCase("file")) {
                directories.add(new File(URLDecoder.decode(res.getPath(), "UTF-8")));
            } else {
                throw new IOException("Unknown protocol for resource: " + res.toString());
            }
        }
    } catch (NullPointerException x) {
        throw new IOException(folder + " does not appear to be a valid folder (Null pointer exception)");
    } catch (UnsupportedEncodingException encex) {
        throw new IOException(folder + " does not appear to be a valid folder (Unsupported encoding)");
    }

    // For every directory identified capture all the .class files
    for (File directory : directories) {
        if (directory.exists()) {
            // Get the list of the files contained in the package
            String[] files = directory.list();
            for (String file : files) {
                urls.add(new URL("file:///" + joinPath(directory.getAbsolutePath(), file)));
            }
        } else {
            throw new IOException(
                    folder + " (" + directory.getPath() + ") does not appear to be a valid folder");
        }
    }
    URL[] urlsA = new URL[urls.size()];
    urls.toArray(urlsA);
    return urlsA;
}

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From source file:net.sarangnamu.android.DrawableManager.java

private InputStream fetch(String urlString) throws MalformedURLException, IOException {
    URL url = new URL(urlString);
    return (InputStream) url.getContent();
}

---

From source file:net.dataforte.commons.resources.ClassUtils.java

/**
 * Returns all classes within the specified package. Supports filesystem, JARs and JBoss VFS
 * //from  w  w w .jav  a2s .  c om
 * @param folder
 * @return
 * @throws IOException
 */
public static Class<?>[] getClassesForPackage(String pckgname) throws ClassNotFoundException {
    // This will hold a list of directories matching the pckgname.
    // There may be more than one if a package is split over multiple
    // jars/paths
    List<Class<?>> classes = new ArrayList<Class<?>>();
    ArrayList<File> directories = new ArrayList<File>();
    try {
        ClassLoader cld = Thread.currentThread().getContextClassLoader();
        if (cld == null) {
            throw new ClassNotFoundException("Can't get class loader.");
        }
        // Ask for all resources for the path
        Enumeration<URL> resources = cld.getResources(pckgname.replace('.', '/'));
        while (resources.hasMoreElements()) {
            URL res = resources.nextElement();
            if (res.getProtocol().equalsIgnoreCase("jar")) {
                JarURLConnection conn = (JarURLConnection) res.openConnection();
                JarFile jar = conn.getJarFile();
                for (JarEntry e : Collections.list(jar.entries())) {

                    if (e.getName().startsWith(pckgname.replace('.', '/')) && e.getName().endsWith(".class")
                            && !e.getName().contains("$")) {
                        String className = e.getName().replace("/", ".").substring(0, e.getName().length() - 6);
                        classes.add(Class.forName(className, true, cld));
                    }
                }
            } else if (res.getProtocol().equalsIgnoreCase("vfszip")) { // JBoss 5+
                try {
                    Object content = res.getContent();
                    Method getChildren = content.getClass().getMethod("getChildren");
                    List<?> files = (List<?>) getChildren.invoke(res.getContent());
                    Method getPathName = null;
                    for (Object o : files) {
                        if (getPathName == null) {
                            getPathName = o.getClass().getMethod("getPathName");
                        }
                        String pathName = (String) getPathName.invoke(o);
                        if (pathName.endsWith(".class")) {
                            String className = pathName.replace("/", ".").substring(0, pathName.length() - 6);
                            classes.add(Class.forName(className, true, cld));
                        }
                    }
                } catch (Exception e) {
                    throw new IOException("Error while scanning " + res.toString(), e);
                }
            } else {
                directories.add(new File(URLDecoder.decode(res.getPath(), "UTF-8")));
            }
        }
    } catch (NullPointerException x) {
        throw new ClassNotFoundException(
                pckgname + " does not appear to be a valid package (Null pointer exception)", x);
    } catch (UnsupportedEncodingException encex) {
        throw new ClassNotFoundException(
                pckgname + " does not appear to be a valid package (Unsupported encoding)", encex);
    } catch (IOException ioex) {
        throw new ClassNotFoundException(
                "IOException was thrown when trying to get all resources for " + pckgname, ioex);
    }

    // For every directory identified capture all the .class files
    for (File directory : directories) {
        if (directory.exists()) {
            // Get the list of the files contained in the package
            String[] files = directory.list();
            for (String file : files) {
                // we are only interested in .class files
                if (file.endsWith(".class")) {
                    // removes the .class extension
                    classes.add(Class.forName(pckgname + '.' + file.substring(0, file.length() - 6)));
                }
            }
        } else {
            throw new ClassNotFoundException(
                    pckgname + " (" + directory.getPath() + ") does not appear to be a valid package");
        }
    }
    Class<?>[] classesA = new Class[classes.size()];
    classes.toArray(classesA);
    return classesA;
}

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From source file:ste.xtest.net.BugFreeURL.java

@Test
public void use_default_handler_for_not_stubbed_urls() throws Exception {
    URL u = new File("src/test/resources/html/documentlocation.html").toURI().toURL();

    then(IOUtils.toString((InputStream) u.getContent())).contains("TODO write content");
}

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From source file:Main.java

/**
 * Return an {@link InputStream} from the given url or null if failed to retrieve the content
 * //from w  w w . j a  va 2  s  . co m
 * @param uri
 * @return
 */
static InputStream openRemoteInputStream(Uri uri) {
    java.net.URL finalUrl;
    try {
        finalUrl = new java.net.URL(uri.toString());
    } catch (MalformedURLException e) {
        e.printStackTrace();
        return null;
    }

    HttpURLConnection connection;
    try {
        connection = (HttpURLConnection) finalUrl.openConnection();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

    connection.setInstanceFollowRedirects(false);
    int code;
    try {
        code = connection.getResponseCode();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

    // permanent redirection
    if (code == HttpURLConnection.HTTP_MOVED_PERM || code == HttpURLConnection.HTTP_MOVED_TEMP
            || code == HttpURLConnection.HTTP_SEE_OTHER) {
        String newLocation = connection.getHeaderField("Location");
        return openRemoteInputStream(Uri.parse(newLocation));
    }

    try {
        return (InputStream) finalUrl.getContent();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

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From source file:com.neudesic.mobile.pulse.ui.drawable.DrawableManager.java

public Object fetchImage(String address) throws MalformedURLException, IOException {
    URL url = new URL(address);
    Object content = url.getContent();
    return content;
}

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From source file:org.jdal.gis.google.DirectionsService.java

public MultiLineString getRoute(RouteRequest request) {

    try {//w  w w  .j a v a  2s . c o  m
        URL url = new URL(serverUrl + "?" + request.toString());
        log.debug("Sending request: " + url.toString());
        return parseResponse(url.getContent());
    } catch (Exception e) {
        log.error(e);
    }
    return null;
}

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