Java CordovaResourceApi類代碼示例

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
private static boolean needsSpecialsInAssetUrlFix(Uri uri) {
    if (CordovaResourceApi.getUriType(uri) != CordovaResourceApi.URI_TYPE_ASSET) {
        return false;
    }
    if (uri.getQuery() != null || uri.getFragment() != null) {
        return true;
    }

    if (!uri.toString().contains("%")) {
        return false;
    }

    switch(Build.VERSION.SDK_INT){
        case Build.VERSION_CODES.ICE_CREAM_SANDWICH:
        case Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1:
            return true;
    }
    return false;
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
private static boolean needsSpecialsInAssetUrlFix(Uri uri) {
    if (CordovaResourceApi.getUriType(uri) != CordovaResourceApi.URI_TYPE_ASSET) {
        return false;
    }
    if (uri.getQuery() != null || uri.getFragment() != null) {
        return true;
    }

    if (!uri.toString().contains("%")) {
        return false;
    }

    switch(android.os.Build.VERSION.SDK_INT){
        case android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH:
        case android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1:
            return true;
    }
    return false;
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
private void startActivity(String action, Uri uri, String type, Map<String, String> extras, boolean bExpectResult, int requestCode, CallbackContext callbackContext) {
    //  Credit: https://github.com/chrisekelley/cordova-webintent
    Intent i = (uri != null ? new Intent(action, uri) : new Intent(action));

    if (type != null && uri != null) {
        i.setDataAndType(uri, type); //Fix the crash problem with android 2.3.6
    } else {
        if (type != null) {
            i.setType(type);
        }
        if (uri != null)
        {
            i.setData(uri);
        }
    }

    for (String key : extras.keySet()) {
        String value = extras.get(key);
        // If type is text html, the extra text must sent as HTML
        if (key.equals(Intent.EXTRA_TEXT) && type.equals("text/html")) {
            i.putExtra(key, Html.fromHtml(value));
        } else if (key.equals(Intent.EXTRA_STREAM)) {
            // allowes sharing of images as attachments.
            // value in this case should be a URI of a file
            final CordovaResourceApi resourceApi = webView.getResourceApi();
            i.putExtra(key, resourceApi.remapUri(Uri.parse(value)));
        } else if (key.equals(Intent.EXTRA_EMAIL)) {
            // allows to add the email address of the receiver
            i.putExtra(Intent.EXTRA_EMAIL, new String[] { value });
        } else {
            i.putExtra(key, value);
        }
    }

    i.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

    if (i.resolveActivityInfo(this.cordova.getActivity().getPackageManager(), 0) != null)
    {
    if (bExpectResult)
    {
        cordova.setActivityResultCallback(this);
        ((CordovaActivity) this.cordova.getActivity()).startActivityForResult(i, requestCode);
    }
    else
        {
        ((CordovaActivity)this.cordova.getActivity()).startActivity(i);
            callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK));
        }
    }
    else
    {
        //  Return an error as there is no app to handle this intent
        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.ERROR));
    }
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
private void copyFile(Filesystem srcFs, LocalFilesystemURL srcURL, File destFile, boolean move) throws IOException, InvalidModificationException, NoModificationAllowedException {
    if (move) {
        String realSrcPath = srcFs.filesystemPathForURL(srcURL);
        if (realSrcPath != null) {
            File srcFile = new File(realSrcPath);
            if (srcFile.renameTo(destFile)) {
                return;
            }
            // Trying to rename the file failed.  Possibly because we moved across file system on the device.
        }
    }

    CordovaResourceApi.OpenForReadResult offr = resourceApi.openForRead(srcFs.toNativeUri(srcURL));
    copyResource(offr, new FileOutputStream(destFile));

    if (move) {
        srcFs.removeFileAtLocalURL(srcURL);
    }
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
public JSONObject copyFileToURL(LocalFilesystemURL destURL, String newName,
        Filesystem srcFs, LocalFilesystemURL srcURL, boolean move) throws IOException, InvalidModificationException, JSONException, NoModificationAllowedException, FileExistsException {
    // First, check to see that we can do it
    if (move && !srcFs.canRemoveFileAtLocalURL(srcURL)) {
        throw new NoModificationAllowedException("Cannot move file at source URL");
    }
    final LocalFilesystemURL destination = makeDestinationURL(newName, srcURL, destURL, srcURL.isDirectory);

    Uri srcNativeUri = srcFs.toNativeUri(srcURL);

    CordovaResourceApi.OpenForReadResult ofrr = resourceApi.openForRead(srcNativeUri);
    OutputStream os = null;
    try {
        os = getOutputStreamForURL(destination);
    } catch (IOException e) {
        ofrr.inputStream.close();
        throw e;
    }
    // Closes streams.
    resourceApi.copyResource(ofrr, os);

    if (move) {
        srcFs.removeFileAtLocalURL(srcURL);
    }
    return getEntryForLocalURL(destination);
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
private static boolean needsSpecialsInAssetUrlFix(Uri uri) {
  if (CordovaResourceApi.getUriType(uri) != CordovaResourceApi.URI_TYPE_ASSET) {
    return false;
  }
  if (uri.getQuery() != null || uri.getFragment() != null) {
    return true;
  }

  if (!uri.toString().contains("%")) {
    return false;
  }

  switch (android.os.Build.VERSION.SDK_INT) {
    case android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH:
    case android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1:
      return true;
  }
  return false;
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
@Override
   public void init(CordovaWebView parentWebView, CordovaInterface cordova, CordovaWebViewEngine.Client client,
             CordovaResourceApi resourceApi, PluginManager pluginManager,
             NativeToJsMessageQueue nativeToJsMessageQueue) {
       if (this.cordova != null) {
           throw new IllegalStateException();
       }
       // Needed when prefs are not passed by the constructor
       if (preferences == null) {
           preferences = parentWebView.getPreferences();
       }
       this.parentWebView = parentWebView;
       this.cordova = cordova;
       this.client = client;
       this.resourceApi = resourceApi;
       this.pluginManager = pluginManager;
       this.nativeToJsMessageQueue = nativeToJsMessageQueue;
       webView.init(this, cordova);

       initWebViewSettings();

       nativeToJsMessageQueue.addBridgeMode(new NativeToJsMessageQueue.OnlineEventsBridgeMode(new NativeToJsMessageQueue.OnlineEventsBridgeMode.OnlineEventsBridgeModeDelegate() {
           @Override
           public void setNetworkAvailable(boolean value) {
               webView.setNetworkAvailable(value);
           }
           @Override
           public void runOnUiThread(Runnable r) {
               SystemWebViewEngine.this.cordova.getActivity().runOnUiThread(r);
           }
       }));
       if(Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR2)
           nativeToJsMessageQueue.addBridgeMode(new NativeToJsMessageQueue.EvalBridgeMode(this, cordova));
bridge = new CordovaBridge(pluginManager, nativeToJsMessageQueue);
       exposeJsInterface(webView, bridge);
   }
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@Override
public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
    try {
        // Check the against the whitelist and lock out access to the WebView directory
        // Changing this will cause problems for your application
        if (!parentEngine.pluginManager.shouldAllowRequest(url)) {
            LOG.w(TAG, "URL blocked by whitelist: " + url);
            // Results in a 404.
            return new WebResourceResponse("text/plain", "UTF-8", null);
        }

        CordovaResourceApi resourceApi = parentEngine.resourceApi;
        Uri origUri = Uri.parse(url);
        // Allow plugins to intercept WebView requests.
        Uri remappedUri = resourceApi.remapUri(origUri);

        if (!origUri.equals(remappedUri) || needsSpecialsInAssetUrlFix(origUri) || needsKitKatContentUrlFix(origUri)) {
            CordovaResourceApi.OpenForReadResult result = resourceApi.openForRead(remappedUri, true);
            return new WebResourceResponse(result.mimeType, "UTF-8", result.inputStream);
        }
        // If we don't need to special-case the request, let the browser load it.
        return null;
    } catch (IOException e) {
        if (!(e instanceof FileNotFoundException)) {
            LOG.e(TAG, "Error occurred while loading a file (returning a 404).", e);
        }
        // Results in a 404.
        return new WebResourceResponse("text/plain", "UTF-8", null);
    }
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
@Override
public void init(CordovaWebView parentWebView, CordovaInterface cordova, Client client,
          CordovaResourceApi resourceApi, PluginManager pluginManager,
          NativeToJsMessageQueue nativeToJsMessageQueue) {
    if (this.cordova != null) {
        throw new IllegalStateException();
    }
    // Needed when prefs are not passed by the constructor
    if (preferences == null) {
        preferences = parentWebView.getPreferences();
    }
    this.parentWebView = parentWebView;
    this.cordova = cordova;
    this.client = client;
    this.resourceApi = resourceApi;
    this.pluginManager = pluginManager;
    this.nativeToJsMessageQueue = nativeToJsMessageQueue;
    webView.init(this, cordova);

    initWebViewSettings();

    nativeToJsMessageQueue.addBridgeMode(new NativeToJsMessageQueue.OnlineEventsBridgeMode(new NativeToJsMessageQueue.OnlineEventsBridgeMode.OnlineEventsBridgeModeDelegate() {
        @Override
        public void setNetworkAvailable(boolean value) {
            webView.setNetworkAvailable(value);
        }
        @Override
        public void runOnUiThread(Runnable r) {
            X5WebViewEngine.this.cordova.getActivity().runOnUiThread(r);
        }
    }));
    bridge = new CordovaBridge(pluginManager, nativeToJsMessageQueue);
    exposeJsInterface(webView, bridge);
}
 

import org.apache.cordova.CordovaResourceApi; //導入依賴的package包/類
private static void copyResource(CordovaResourceApi.OpenForReadResult input, OutputStream outputStream) throws IOException {
    try {
        InputStream inputStream = input.inputStream;
        if (inputStream instanceof FileInputStream && outputStream instanceof FileOutputStream) {
            FileChannel inChannel = ((FileInputStream)input.inputStream).getChannel();
            FileChannel outChannel = ((FileOutputStream)outputStream).getChannel();
            long offset = 0;
            long length = input.length;
            if (input.assetFd != null) {
                offset = input.assetFd.getStartOffset();
            }
            // transferFrom()'s 2nd arg is a relative position. Need to set the absolute
            // position first.
            inChannel.position(offset);
            outChannel.transferFrom(inChannel, 0, length);
        } else {
            final int BUFFER_SIZE = 8192;
            byte[] buffer = new byte[BUFFER_SIZE];

            for (;;) {
                int bytesRead = inputStream.read(buffer, 0, BUFFER_SIZE);

                if (bytesRead <= 0) {
                    break;
                }
                outputStream.write(buffer, 0, bytesRead);
            }
        }
    } finally {
        input.inputStream.close();
        if (outputStream != null) {
            outputStream.close();
        }
    }
}