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src/java.desktop/share/classes/sun/awt/image/URLImageSource.java

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  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.awt.image;
  27 
  28 import java.io.InputStream;
  29 import java.io.IOException;
  30 import java.net.HttpURLConnection;


  31 import java.net.URL;
  32 import java.net.URLConnection;
  33 import java.net.MalformedURLException;

  34 import sun.net.util.URLUtil;
  35 
  36 public class URLImageSource extends InputStreamImageSource {
  37     URL url;
  38     URLConnection conn;
  39     String actualHost;
  40     int actualPort;
  41 
  42     public URLImageSource(URL u) {
  43         SecurityManager sm = System.getSecurityManager();
  44         if (sm != null) {
  45             try {
  46                 java.security.Permission perm =
  47                       URLUtil.getConnectPermission(u);
  48                 if (perm != null) {
  49                     try {
  50                         sm.checkPermission(perm);
  51                     } catch (SecurityException se) {
  52                         // fallback to checkRead/checkConnect for pre 1.2
  53                         // security managers
  54                         if ((perm instanceof java.io.FilePermission) &&
  55                                 perm.getActions().indexOf("read") != -1) {
  56                             sm.checkRead(perm.getName());
  57                         } else if ((perm instanceof
  58                                 java.net.SocketPermission) &&
  59                                 perm.getActions().indexOf("connect") != -1) {
  60                             sm.checkConnect(u.getHost(), u.getPort());



  61                         } else {
  62                             throw se;
  63                         }
  64                     }
  65                 }
  66             } catch (java.io.IOException ioe) {
  67                     sm.checkConnect(u.getHost(), u.getPort());
  68             }
  69         }
  70         this.url = u;
  71 
  72     }
  73 
  74     public URLImageSource(String href) throws MalformedURLException {
  75         this(new URL(null, href));
  76     }
  77 
  78     public URLImageSource(URL u, URLConnection uc) {
  79         this(u);
  80         conn = uc;




  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.awt.image;
  27 
  28 import java.io.InputStream;
  29 import java.io.IOException;
  30 import java.net.HttpURLConnection;
  31 import java.net.MalformedURLException;
  32 import java.net.SocketPermission;
  33 import java.net.URL;
  34 import java.net.URLConnection;
  35 import java.net.URLPermission;
  36 
  37 import sun.net.util.URLUtil;
  38 
  39 public class URLImageSource extends InputStreamImageSource {
  40     URL url;
  41     URLConnection conn;
  42     String actualHost;
  43     int actualPort;
  44 
  45     public URLImageSource(URL u) {
  46         SecurityManager sm = System.getSecurityManager();
  47         if (sm != null) {
  48             try {
  49                 java.security.Permission perm =
  50                       URLUtil.getConnectPermission(u);
  51                 if (perm != null) {
  52                     try {
  53                         sm.checkPermission(perm);
  54                     } catch (SecurityException se) {
  55                         // fallback to checkRead/checkConnect for pre 1.2
  56                         // security managers
  57                         if ((perm instanceof java.io.FilePermission) &&
  58                                 perm.getActions().indexOf("read") != -1) {
  59                             sm.checkRead(perm.getName());
  60                         } else if ((perm instanceof
  61                                 java.net.SocketPermission) &&
  62                                 perm.getActions().indexOf("connect") != -1) {
  63                             sm.checkConnect(u.getHost(), u.getPort());
  64                         } else if (perm instanceof URLPermission) {
  65                             sm.checkPermission(
  66                                     new SocketPermission(u.getHost(), "connect"));
  67                         } else {
  68                             throw se;
  69                         }
  70                     }
  71                 }
  72             } catch (java.io.IOException ioe) {
  73                     sm.checkConnect(u.getHost(), u.getPort());
  74             }
  75         }
  76         this.url = u;
  77 
  78     }
  79 
  80     public URLImageSource(String href) throws MalformedURLException {
  81         this(new URL(null, href));
  82     }
  83 
  84     public URLImageSource(URL u, URLConnection uc) {
  85         this(u);
  86         conn = uc;


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