Example usage for org.apache.http.impl.client.cache CachingHttpClient CachingHttpClient

Introduction

In this page you can find the example usage for org.apache.http.impl.client.cache CachingHttpClient CachingHttpClient.

Prototype

public CachingHttpClient(HttpClient client, ResourceFactory resourceFactory, HttpCacheStorage storage,
        CacheConfig config) 

Source Link

Document

Constructs a CachingHttpClient with the given caching options that stores cache entries in the provided storage backend and uses the given HttpClient for backend requests.

Usage

From source file:org.eclipse.thym.core.engine.AbstractEngineRepoProvider.java

protected InputStream getRemoteJSonStream(String url) {
    DefaultHttpClient defHttpClient = new DefaultHttpClient();
    HttpUtil.setupProxy(defHttpClient);/*w w  w  . ja v a  2  s  .c o  m*/

    HttpClient client = new CachingHttpClient(defHttpClient, new HeapResourceFactory(),
            new BundleHttpCacheStorage(HybridCore.getContext().getBundle()), cacheConfig());
    HttpGet get = new HttpGet(url);
    HttpResponse response;
    try {
        response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        return stream;
    } catch (IOException e) {
        HybridCore.log(IStatus.WARNING, NLS.bind("Could not retrieve the json from remote URL ({0})", url), e);
    }
    return null;
}

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From source file:org.eclipse.thym.core.engine.internal.cordova.DefaultEngineRepoProvider.java

private InputStream getRemoteJSonStream() {
    BundleContext context = HybridCore.getContext();
    DefaultHttpClient defHttpClient = new DefaultHttpClient();
    HttpUtil.setupProxy(defHttpClient);//ww w . ja  v  a 2  s  . c  om

    HttpClient client = new CachingHttpClient(defHttpClient,
            new FileResourceFactory(context.getDataFile(BundleHttpCacheStorage.SUBDIR_HTTP_CACHE)),
            new BundleHttpCacheStorage(HybridCore.getContext().getBundle()), cacheConfig());
    HttpGet get = new HttpGet(REPO_JSON_URL);
    HttpResponse response;
    try {
        response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        return stream;
    } catch (IOException e) {
        HybridCore.log(IStatus.WARNING,
                NLS.bind("Could not retrieve the json from remote URL ({0})", REPO_JSON_URL), e);
    }
    return null;
}

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From source file:org.eclipse.thym.core.plugin.registry.CordovaPluginRegistryManager.java

public CordovaRegistryPlugin getCordovaPluginInfo(String name) throws CoreException {

    CordovaRegistryPlugin plugin = detailedPluginInfoCache.get(name);
    if (plugin != null)
        return plugin;
    DefaultHttpClient defHttpClient = new DefaultHttpClient();
    HttpUtil.setupProxy(defHttpClient);//w  w w .ja v a  2  s. c  om
    HttpClient client = new CachingHttpClient(defHttpClient, new HeapResourceFactory(),
            new BundleHttpCacheStorage(HybridCore.getContext().getBundle()), getCacheConfig());

    HttpGet get = new HttpGet(REGISTRY_URL + name);
    HttpResponse response;
    try {
        response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        JsonReader reader = new JsonReader(new InputStreamReader(stream));
        plugin = new CordovaRegistryPlugin();
        readPluginInfo(reader, plugin);
        this.detailedPluginInfoCache.put(name, plugin);
        return plugin;
    } catch (ClientProtocolException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "Can not retrieve plugin information for " + name, e));
    } catch (IOException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "Can not retrieve plugin information for " + name, e));
    }
}

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From source file:org.jboss.tools.aerogear.hybrid.core.plugin.registry.CordovaPluginRegistryManager.java

public CordovaRegistryPlugin getCordovaPluginInfo(String name) throws CoreException {

    CordovaRegistryPlugin plugin = detailedPluginInfoCache.get(name);
    if (plugin != null)
        return plugin;
    BundleContext context = HybridCore.getContext();
    HttpClient client = new CachingHttpClient(new DefaultHttpClient(),
            new FileResourceFactory(context.getDataFile(BundleHttpCacheStorage.SUBDIR_HTTP_CACHE)),
            new BundleHttpCacheStorage(HybridCore.getContext().getBundle()), getCacheConfig());
    String url = registry.endsWith("/") ? registry + name : registry + "/" + name;
    HttpGet get = new HttpGet(url);
    HttpResponse response;// w w  w.  j a  v a  2s  .c  o m
    try {
        response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        JsonReader reader = new JsonReader(new InputStreamReader(stream));
        plugin = new CordovaRegistryPlugin();
        readPluginInfo(reader, plugin);
        this.detailedPluginInfoCache.put(name, plugin);
        return plugin;
    } catch (ClientProtocolException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "Can not retrieve plugin information for " + name, e));
    } catch (IOException e) {
        throw new CoreException(new Status(IStatus.ERROR, HybridCore.PLUGIN_ID,
                "Can not retrieve plugin information for " + name, e));
    }

}

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From source file:org.eclipse.thym.core.plugin.registry.CordovaPluginRegistryManager.java

public List<CordovaRegistryPluginInfo> retrievePluginInfos(IProgressMonitor monitor) throws CoreException {

    if (monitor == null)
        monitor = new NullProgressMonitor();

    monitor.beginTask("Retrieve plug-in registry catalog", 10);
    DefaultHttpClient theHttpClient = new DefaultHttpClient();
    HttpUtil.setupProxy(theHttpClient);//w ww  .  j  ava  2  s  .  c o m
    HttpClient client = new CachingHttpClient(theHttpClient, new HeapResourceFactory(),
            new BundleHttpCacheStorage(HybridCore.getContext().getBundle()), getCacheConfig());
    JsonReader reader = null;
    try {
        if (monitor.isCanceled()) {
            return null;
        }
        String url = REGISTRY_URL
                + "-/_view/byKeyword?startkey=%5B%22ecosystem:cordova%22%5D&endkey=%5B%22ecosystem:cordova1%22%5D&group_level=3";
        HttpGet get = new HttpGet(URI.create(url));
        HttpResponse response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        monitor.worked(7);
        reader = new JsonReader(new InputStreamReader(stream));
        reader.beginObject();//start the Registry
        final ArrayList<CordovaRegistryPluginInfo> plugins = new ArrayList<CordovaRegistryPluginInfo>();
        while (reader.hasNext()) {
            JsonToken token = reader.peek();
            switch (token) {
            case BEGIN_ARRAY:
                reader.beginArray();
                break;
            case BEGIN_OBJECT:
                plugins.add(parseCordovaRegistryPluginInfo(reader));
                break;
            default:
                reader.skipValue();
                break;
            }

        }
        return plugins;

    } catch (ClientProtocolException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Can not retrieve plugin catalog", e));
    } catch (IOException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Can not retrieve plugin catalog", e));
    } finally {
        if (reader != null)
            try {
                reader.close();
            } catch (IOException e) {
                /*ignored*/ }
        monitor.done();
    }
}

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From source file:org.jboss.tools.aerogear.hybrid.core.plugin.registry.CordovaPluginRegistryManager.java

public List<CordovaRegistryPluginInfo> retrievePluginInfos(IProgressMonitor monitor) throws CoreException {
    if (monitor == null)
        monitor = new NullProgressMonitor();

    BundleContext context = HybridCore.getContext();
    HttpClient client = new CachingHttpClient(new DefaultHttpClient(),
            new FileResourceFactory(context.getDataFile(BundleHttpCacheStorage.SUBDIR_HTTP_CACHE)),
            new BundleHttpCacheStorage(HybridCore.getContext().getBundle()), getCacheConfig());
    String url = registry.endsWith("/") ? registry + "-/all" : registry + "/-/all";
    HttpGet get = new HttpGet(url);
    HttpResponse response;//w  w  w  .j  a  v  a 2s . c  o  m

    try {
        if (monitor.isCanceled()) {
            return null;
        }
        response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        monitor.worked(9);
        JsonReader reader = new JsonReader(new InputStreamReader(stream));
        reader.beginObject();//start the Registry
        plugins = new ArrayList<CordovaRegistryPluginInfo>();
        while (reader.hasNext()) {
            JsonToken token = reader.peek();
            switch (token) {
            case BEGIN_OBJECT:
                CordovaRegistryPluginInfo info = new CordovaRegistryPluginInfo();
                readPluginInfo(reader, info);
                plugins.add(info);
                break;
            case NAME:
                String name = reader.nextName();
                if (name.equals("_updated")) {
                    long newUpdate = reader.nextLong();
                    if (newUpdate == this.updated) {//No changes 
                        return plugins;
                    }

                }
                break;
            default:
                Assert.isTrue(false, "Unexpected token: " + token);
                break;
            }

        }
        reader.endObject();
        return plugins;

    } catch (ClientProtocolException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Can not retrieve plugin catalog", e));
    } catch (IOException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Can not retrieve plugin catalog", e));
    } finally {
        monitor.done();
    }

}

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From source file:org.obiba.opal.rest.client.magma.OpalJavaClient.java

private HttpClient enableCaching(HttpClient httpClient) {
    CacheConfig config = new CacheConfig();
    config.setSharedCache(false);/*from  w w w .  j  a v  a  2 s.com*/
    config.setMaxObjectSizeBytes(MAX_OBJECT_SIZE_BYTES);
    cacheFolder = Files.createTempDir();
    return new CachingHttpClient(httpClient, new FileResourceFactory(cacheFolder),
            cacheStorage = new ManagedHttpCacheStorage(config), config);
}

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