Examples with JSONWriter org.apache.felix.utils.json.JSONWriter used on opensource projects

Example 11 with JSONWriter

use of org.apache.felix.utils.json.JSONWriter in project sling by apache.

the class SourceReferencesServlet method doGet.

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    try {
        response.setContentType("application/json");
        final JSONWriter w = new JSONWriter(response.getWriter());
        w.array();
        for (Bundle bundle : ctx.getBundleContext().getBundles()) {
            // skip bundle if it is a fragment (http://stackoverflow.com/questions/11655295/using-the-osgi-api-how-do-i-find-out-if-a-given-bundle-is-a-fragment)
            if ((bundle.adapt(BundleRevision.class).getTypes() & BundleRevision.TYPE_FRAGMENT) != 0) {
                log.debug("Skip bundle '{}' because it is a fragment", bundle);
                // source references should only be listed with the host bundle
                continue;
            }
            Object bundleVersion = bundle.getHeaders().get(Constants.BUNDLE_VERSION);
            w.object();
            w.key(Constants.BUNDLE_SYMBOLICNAME);
            w.value(bundle.getSymbolicName());
            w.key(Constants.BUNDLE_VERSION);
            w.value(bundleVersion);
            w.key("sourceReferences");
            w.array();
            // since the pom.properties file is not located in the bundle
            if (bundle.getBundleId() == 0 && bundle.getSymbolicName().equals(FELIX_FW_ARTIFACT_ID)) {
                writeMavenGav(w, FELIX_FW_GROUP_ID, FELIX_FW_ARTIFACT_ID, (String) bundleVersion);
            }
            // look for pom.properties in the bundle ( the original bundle, fragments )
            collectMavenSourceReferences(w, bundle);
            // look for pom.properties in jars embedded in the bundle
            for (String jar : getEmbeddedJars(bundle)) {
                URL entry = bundle.getEntry(jar);
                // incorrect or inaccessible entry
                if (entry == null) {
                    continue;
                }
                collectMavenSourceRerefences(w, entry);
            }
            // query custom finders for source references
            for (SourceReferenceFinder finder : finders) {
                try {
                    for (SourceReference reference : finder.findSourceReferences(bundle)) {
                        log.debug("{} found reference {}:{}:{} in {}", new Object[] { finder, reference.getGroupId(), reference.getArtifactId(), reference.getVersion(), bundle });
                        writeMavenGav(w, reference.getGroupId(), reference.getArtifactId(), reference.getVersion());
                    }
                } catch (SourceReferenceException e) {
                    log.warn(finder + " execution did not complete normally for " + bundle, e);
                }
            }
            w.endArray();
            w.endObject();
        }
        w.endArray();
    } catch (IOException e) {
        throw new ServletException(e);
    }
}

Example 12 with JSONWriter

use of org.apache.felix.utils.json.JSONWriter in project karaf by apache.

the class FeaturesPlugin method writeJSON.

private void writeJSON(final PrintWriter pw) throws IOException {
    final List<Repository> repositories = this.getRepositories();
    final List<ExtendedFeature> features = this.getFeatures(repositories);
    final String statusLine = this.getStatusLine(features);
    final JSONWriter jw = new JSONWriter(pw);
    jw.object();
    jw.key("status");
    jw.value(statusLine);
    jw.key("repositories");
    jw.array();
    for (Repository r : repositories) {
        jw.object();
        jw.key("name");
        String name = "";
        if (r.getName() != null)
            name = r.getName();
        jw.value(name);
        jw.key("url");
        String uri = r.getURI().toString();
        jw.value(uri);
        jw.key("actions");
        jw.array();
        boolean enable = true;
        if (uri.startsWith("bundle")) {
            enable = false;
        }
        action(jw, enable, "refreshRepository", "Refresh", "refresh");
        action(jw, enable, "removeRepository", "Remove", "delete");
        jw.endArray();
        jw.endObject();
    }
    jw.endArray();
    jw.key("features");
    jw.array();
    for (ExtendedFeature f : features) {
        featureInfo(jw, f);
    }
    jw.endArray();
    jw.endObject();
}

Example 13 with JSONWriter

use of org.apache.felix.utils.json.JSONWriter in project sling by apache.

the class ScriptConsolePlugin method getScriptConfig0.

private String getScriptConfig0() throws IOException {
    StringWriter sw = new StringWriter();
    JSONWriter jw = new JSONWriter(sw);
    jw.array();
    for (ScriptEngineFactory sef : scriptEngineManager.getEngineFactories()) {
        jw.object();
        if (sef.getExtensions().isEmpty()) {
            continue;
        }
        jw.key("langName").value(sef.getLanguageName());
        jw.key("langCode").value(sef.getExtensions().get(0));
        //Language mode as per CodeMirror names
        String mode = determineMode(sef.getExtensions());
        if (mode != null) {
            jw.key("mode").value(mode);
        }
        jw.endObject();
    }
    jw.endArray();
    return sw.toString();
}

Example 14 with JSONWriter

use of org.apache.felix.utils.json.JSONWriter in project sling by apache.

the class GetConfigServlet method doGet.

@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
    // PID comes from request suffix, like /testing/GetConfigServlet.tidy.json/integrationTestsConfig
    String pid = request.getRequestPathInfo().getSuffix();
    if (pid == null || pid.length() == 0) {
        throw new ServletException("Configuration PID must be provided in request suffix");
    }
    if (pid.startsWith("/")) {
        pid = pid.substring(1);
    }
    // Get config and properties. Avoid using configAdmin.getConfiguration(...) 
    // to avoid creating a config that does not exist yet, which might cause
    // services to restart.
    final Configuration cfg = getUniqueConfig(pid);
    final Dictionary<?, ?> props = cfg.getProperties();
    if (props == null) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND, "Properties of config with pid=" + pid + " not found");
    }
    // Dump config in JSON
    response.setContentType("application/json");
    response.setCharacterEncoding("UTF-8");
    final Enumeration<?> keys = props.keys();
    try {
        final JSONWriter w = new JSONWriter(response.getWriter());
        w.object();
        w.key("source").value(getClass().getName());
        w.key("pid").value(pid);
        w.key("properties");
        w.object();
        while (keys.hasMoreElements()) {
            final Object key = keys.nextElement();
            final Object value = props.get(key);
            if (value != null) {
                w.key(key.toString()).value(value.toString());
            }
        }
        w.endObject();
        w.endObject();
        w.flush();
    } catch (IOException je) {
        throw (IOException) new IOException("JSONException in doGet").initCause(je);
    }
}

Example 15 with JSONWriter

use of org.apache.felix.utils.json.JSONWriter in project sling by apache.

the class EventsCounterImpl method doGet.

@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
    response.setContentType("application/json");
    response.setCharacterEncoding("UTF-8");
    try {
        final JSONWriter w = new JSONWriter(response.getWriter());
        w.object();
        for (Map.Entry<String, AtomicInteger> entry : counters.entrySet()) {
            w.key(entry.getKey()).value(entry.getValue());
        }
        w.endObject();
        w.flush();
    } catch (IOException je) {
        throw (IOException) new IOException("JSONException in doGet").initCause(je);
    }
}