Example usage for org.springframework.core.io ContextResource getURL

Introduction

In this page you can find the example usage for org.springframework.core.io ContextResource getURL.

Prototype

URL getURL() throws IOException;

Source Link

Document

Return a URL handle for this resource.

Usage

From source file:spring.osgi.io.OsgiBundleResourcePatternResolver.java

/**
 * Searches the bundle classpath (Bundle-Classpath) entries for the given
 * pattern./* w  w w.  j  a v  a 2  s.c o m*/
 *
 * @param bundle  bundle
 * @param pattern pattern
 * @return paths
 * @throws java.io.IOException
 */
private Collection<String> findBundleClassPathMatchingPaths(Bundle bundle, String pattern) throws IOException {
    // list of strings pointing to the matching resources
    List<String> list = new ArrayList<>(4);

    boolean trace = logger.isTraceEnabled();
    if (trace)
        logger.trace("Analyzing " + Constants.BUNDLE_CLASSPATH + " entries for bundle [" + bundle.getBundleId()
                + "|" + bundle.getSymbolicName() + "]");
    // see if there is a bundle class-path defined
    String[] entries = OsgiHeaderUtils.getBundleClassPath(bundle);

    if (trace)
        logger.trace(
                "Found " + Constants.BUNDLE_CLASSPATH + " entries " + ObjectUtils.nullSafeToString(entries));

    // 1. if so, look at the entries
    for (String entry : entries) {
        // make sure to exclude the default entry
        if (!entry.equals(BUNDLE_DEFAULT_CP)) {

            // 2. locate resource first from the bundle space (since it might not exist)
            OsgiBundleResource entryResource = new OsgiBundleResource(bundle, entry);
            // call the internal method to avoid catching an exception
            URL url = null;
            ContextResource res = entryResource.getResourceFromBundleSpace(entry);
            if (res != null) {
                url = res.getURL();
            }

            if (trace)
                logger.trace("Classpath entry [" + entry + "] resolves to [" + url + "]");
            // we've got a valid entry so let's parse it
            if (url != null) {
                String cpEntryPath = url.getPath();
                // is it a jar ?
                if (entry.endsWith(JAR_EXTENSION))
                    findBundleClassPathMatchingJarEntries(list, url, pattern);
                // no, so it must be a folder
                else
                    findBundleClassPathMatchingFolders(list, bundle, cpEntryPath, pattern);
            }
        }
    }

    return list;
}

---

From source file:spring.osgi.io.OsgiBundleResource.java

/**
 * Locates the resource in the underlying bundle based on the prefix, if it
 * exists. Note that the location happens per call since due to the dynamic
 * nature of OSGi, the classpath of the bundle (among others) can change
 * during a bundle lifecycle (depending on its imports).
 *
 * @return URL to this resource/*  w w w  . ja  va 2s. c  o  m*/
 * @throws java.io.IOException if the resource cannot be resolved as URL, i.e. if
 *                             the resource is not available as descriptor
 * @see org.osgi.framework.Bundle#getEntry(String)
 * @see org.osgi.framework.Bundle#getResource(String)
 */
public URL getURL() throws IOException {
    ContextResource res = null;
    URL url = null;

    switch (searchType) {
    // same as bundle space but with a different string
    case OsgiResourceUtils.PREFIX_TYPE_NOT_SPECIFIED:
        res = getResourceFromBundleSpace(pathWithoutPrefix);
        break;
    case OsgiResourceUtils.PREFIX_TYPE_BUNDLE_SPACE:
        res = getResourceFromBundleSpace(pathWithoutPrefix);
        break;
    case OsgiResourceUtils.PREFIX_TYPE_BUNDLE_JAR:
        url = getResourceFromBundleJar(pathWithoutPrefix);
        break;
    case OsgiResourceUtils.PREFIX_TYPE_CLASS_SPACE:
        url = getResourceFromBundleClasspath(pathWithoutPrefix);
        break;
    // fallback
    default:
        // just try to convert it to an URL
        url = new URL(path);
        break;
    }

    if (res != null) {
        url = res.getURL();
    }

    if (url == null) {
        throw new FileNotFoundException(
                getDescription() + " cannot be resolved to URL because it does not exist");
    }

    return url;
}

---

From source file:org.eclipse.gemini.blueprint.io.OsgiBundleResourcePatternResolver.java

/**
 * Searches the bundle classpath (Bundle-Classpath) entries for the given pattern.
 * //from   w ww .j a v a2  s  . co  m
 * @param bundle
 * @param pattern
 * @return
 * @throws IOException
 */
private Collection<String> findBundleClassPathMatchingPaths(Bundle bundle, String pattern) throws IOException {
    // list of strings pointing to the matching resources
    List<String> list = new ArrayList<String>(4);

    boolean trace = logger.isTraceEnabled();
    if (trace)
        logger.trace("Analyzing " + Constants.BUNDLE_CLASSPATH + " entries for bundle [" + bundle.getBundleId()
                + "|" + bundle.getSymbolicName() + "]");
    // see if there is a bundle class-path defined
    String[] entries = OsgiHeaderUtils.getBundleClassPath(bundle);

    if (trace)
        logger.trace(
                "Found " + Constants.BUNDLE_CLASSPATH + " entries " + ObjectUtils.nullSafeToString(entries));

    // 1. if so, look at the entries
    for (int i = 0; i < entries.length; i++) {
        String entry = entries[i];

        // make sure to exclude the default entry
        if (!entry.equals(BUNDLE_DEFAULT_CP)) {

            // 2. locate resource first from the bundle space (since it might not exist)
            OsgiBundleResource entryResource = new OsgiBundleResource(bundle, entry);
            // call the internal method to avoid catching an exception
            URL url = null;
            ContextResource res = entryResource.getResourceFromBundleSpace(entry);
            if (res != null) {
                url = res.getURL();
            }

            if (trace)
                logger.trace("Classpath entry [" + entry + "] resolves to [" + url + "]");
            // we've got a valid entry so let's parse it
            if (url != null) {
                String cpEntryPath = url.getPath();
                // is it a jar ?
                if (entry.endsWith(JAR_EXTENSION))
                    findBundleClassPathMatchingJarEntries(list, url, pattern);
                // no, so it must be a folder
                else
                    findBundleClassPathMatchingFolders(list, bundle, cpEntryPath, pattern);
            }
        }
    }

    return list;
}

---