01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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 Oleg V. Khaschansky
19: * @version $Revision$
20: */package org.apache.harmony.awt.gl.image;
21:
22: import java.io.BufferedInputStream;
23: import java.io.FileInputStream;
24: import java.io.FileNotFoundException;
25: import java.io.InputStream;
26:
27: public class FileDecodingImageSource extends DecodingImageSource {
28: String filename;
29:
30: public FileDecodingImageSource(String file) {
31: SecurityManager security = System.getSecurityManager();
32: if (security != null) {
33: security.checkRead(file);
34: }
35:
36: filename = file;
37: }
38:
39: @Override
40: protected boolean checkConnection() {
41: SecurityManager security = System.getSecurityManager();
42: if (security != null) {
43: try {
44: security.checkRead(filename);
45: } catch (SecurityException e) {
46: return false;
47: }
48: }
49:
50: return true;
51: }
52:
53: @Override
54: protected InputStream getInputStream() {
55: try {
56: return new BufferedInputStream(
57: new FileInputStream(filename));
58: } catch (FileNotFoundException e) {
59: return null;
60: }
61: }
62:
63: }
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