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Java Source Code
/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
//fromwww.java2s.com
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/package org.apache.cordova;
import java.io.FileNotFoundException;
import java.io.IOException;
import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaResourceApi.OpenForReadResult;
import org.apache.cordova.LOG;
import android.annotation.TargetApi;
import android.net.Uri;
import android.os.Build;
import android.webkit.WebResourceResponse;
import android.webkit.WebView;
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
publicclass IceCreamCordovaWebViewClient extends CordovaWebViewClient {
privatestaticfinal String TAG = "IceCreamCordovaWebViewClient";
public IceCreamCordovaWebViewClient(CordovaInterface cordova) {
super(cordova);
}
public IceCreamCordovaWebViewClient(CordovaInterface cordova, CordovaWebView view) {
super(cordova, view);
}
@Override
public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
try {
// Check the against the white-list.
if ((url.startsWith("http:") || url.startsWith("https:")) && !Config.isUrlWhiteListed(url)) {
LOG.w(TAG, "URL blocked by whitelist: " + url);
// Results in a 404.
returnnew WebResourceResponse("text/plain", "UTF-8", null);
}
CordovaResourceApi resourceApi = appView.getResourceApi();
Uri origUri = Uri.parse(url);
// Allow plugins to intercept WebView requests.
Uri remappedUri = resourceApi.remapUri(origUri);
if (!origUri.equals(remappedUri) || needsSpecialsInAssetUrlFix(origUri) || needsKitKatContentUrlFix(origUri)) {
OpenForReadResult result = resourceApi.openForRead(remappedUri, true);
returnnew 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("IceCreamCordovaWebViewClient", "Error occurred while loading a file (returning a 404).", e);
}
// Results in a 404.
returnnew WebResourceResponse("text/plain", "UTF-8", null);
}
}
privatestaticboolean needsKitKatContentUrlFix(Uri uri) {
return android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT && "content".equals(uri.getScheme());
}
privatestaticboolean 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;
}
}