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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 /**
     18  * @author Igor V. Stolyarov
     19  * @version $Revision$
     20  */
     21 /*
     22  * Created on 10.02.2005
     23  *
     24  */
     25 package org.apache.harmony.awt.gl.image;
     26 
     27 import java.io.BufferedInputStream;
     28 import java.io.IOException;
     29 import java.io.InputStream;
     30 import java.net.URL;
     31 import java.net.URLConnection;
     32 import java.security.Permission;
     33 
     34 public class URLDecodingImageSource extends DecodingImageSource {
     35 
     36     URL url;
     37 
     38     public URLDecodingImageSource(URL url){
     39         SecurityManager security = System.getSecurityManager();
     40         if (security != null) {
     41             security.checkConnect(url.getHost(), url.getPort());
     42             try {
     43                 Permission p = url.openConnection().getPermission();
     44                 security.checkPermission(p);
     45             } catch (IOException e) {
     46             }
     47         }
     48         this.url = url;
     49     }
     50 
     51     @Override
     52     protected boolean checkConnection() {
     53         SecurityManager security = System.getSecurityManager();
     54         if (security != null) {
     55             try {
     56                 security.checkConnect(url.getHost(), url.getPort());
     57                 return true;
     58             } catch (SecurityException e) {
     59                 return false;
     60             }
     61         }
     62         return true;
     63     }
     64 
     65     @Override
     66     protected InputStream getInputStream() {
     67         try{
     68             URLConnection uc = url.openConnection();
     69             // BEGIN android-modified
     70             return new BufferedInputStream(uc.getInputStream(), 8192);
     71             // END android-modified
     72         }catch(IOException e){
     73             return null;
     74         }
     75     }
     76 
     77 }
     78