modules/graphics/src/main/java/javafx/css/converter/URLConverter.java

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rev 9240 : 8076423: JEP 253: Prepare JavaFX UI Controls & CSS APIs for Modularization


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  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 com.sun.javafx.css.converters;
  27 
  28 import com.sun.javafx.css.StyleConverterImpl;
  29 import javafx.application.Application;
  30 import javafx.css.ParsedValue;
  31 import javafx.css.StyleConverter;
  32 import javafx.scene.text.Font;
  33 import sun.util.logging.PlatformLogger;
  34 
  35 import java.net.MalformedURLException;
  36 import java.net.URI;
  37 import java.net.URISyntaxException;
  38 import java.net.URL;
  39 import java.security.AccessController;
  40 import java.security.CodeSource;
  41 import java.security.PrivilegedActionException;
  42 import java.security.PrivilegedExceptionAction;
  43 import java.security.ProtectionDomain;
  44 
  45 /**
  46  * Convert url("<path>") a URL string resolved relative to the location of the stylesheet.


  47  */
  48 public final class URLConverter extends StyleConverterImpl<ParsedValue[], String> {
  49 
  50     // lazy, thread-safe instatiation
  51     private static class Holder {
  52         static final URLConverter INSTANCE = new URLConverter();
  53         static final SequenceConverter SEQUENCE_INSTANCE = new SequenceConverter();
  54     }
  55 
  56     public static StyleConverter<ParsedValue[], String> getInstance() {
  57         return Holder.INSTANCE;
  58     }
  59 
  60     private URLConverter() {
  61         super();
  62     }
  63 
  64     @Override
  65     public String convert(ParsedValue<ParsedValue[], String> value, Font font) {
  66 
  67         String url = null;
  68 


 218                 //
 219                 // Put together a new URI from the pieces of rtJarURI. We cannot use resolve here since
 220                 // the scheme and path may have been munged.
 221                 //
 222                 URI resolved = new URI(scheme, rtJarUserInfo, rtJarHost, rtJarPort, rtJarPath, null, null);
 223                 return resolved.toURL();
 224 
 225             } catch (URISyntaxException | MalformedURLException | PrivilegedActionException ignored) {
 226                 // Allow this method to return null so the caller will try to further resolve the path.
 227                 // If nothing else, an error message will result when the converted URL is consumed.
 228             }
 229         }
 230         return null;
 231     }
 232 
 233     @Override
 234     public String toString() {
 235         return "URLType";
 236     }
 237 
 238     public static final class SequenceConverter extends StyleConverterImpl<ParsedValue<ParsedValue[], String>[], String[]> {
 239 
 240         public static SequenceConverter getInstance() {
 241             return Holder.SEQUENCE_INSTANCE;
 242         }
 243 
 244         private SequenceConverter() {
 245             super();
 246         }
 247 
 248         @Override
 249         public String[] convert(ParsedValue<ParsedValue<ParsedValue[], String>[], String[]> value, Font font) {
 250             ParsedValue<ParsedValue[], String>[] layers = value.getValue();
 251             String[] urls = new String[layers.length];
 252             for (int layer = 0; layer < layers.length; layer++) {
 253                 urls[layer] = URLConverter.getInstance().convert(layers[layer], font);
 254             }
 255             return urls;
 256         }
 257 
 258         @Override


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  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 javafx.css.converter;
  27 

  28 import javafx.application.Application;
  29 import javafx.css.ParsedValue;
  30 import javafx.css.StyleConverter;
  31 import javafx.scene.text.Font;
  32 import sun.util.logging.PlatformLogger;
  33 
  34 import java.net.MalformedURLException;
  35 import java.net.URI;
  36 import java.net.URISyntaxException;
  37 import java.net.URL;
  38 import java.security.AccessController;
  39 import java.security.CodeSource;
  40 import java.security.PrivilegedActionException;
  41 import java.security.PrivilegedExceptionAction;
  42 import java.security.ProtectionDomain;
  43 
  44 /**
  45  * Convert url("<path>") a URL string resolved relative to the location of the stylesheet.
  46  *
  47  * @since 9
  48  */
  49 public final class URLConverter extends StyleConverter<ParsedValue[], String> {
  50 
  51     // lazy, thread-safe instatiation
  52     private static class Holder {
  53         static final URLConverter INSTANCE = new URLConverter();
  54         static final SequenceConverter SEQUENCE_INSTANCE = new SequenceConverter();
  55     }
  56 
  57     public static StyleConverter<ParsedValue[], String> getInstance() {
  58         return Holder.INSTANCE;
  59     }
  60 
  61     private URLConverter() {
  62         super();
  63     }
  64 
  65     @Override
  66     public String convert(ParsedValue<ParsedValue[], String> value, Font font) {
  67 
  68         String url = null;
  69 


 219                 //
 220                 // Put together a new URI from the pieces of rtJarURI. We cannot use resolve here since
 221                 // the scheme and path may have been munged.
 222                 //
 223                 URI resolved = new URI(scheme, rtJarUserInfo, rtJarHost, rtJarPort, rtJarPath, null, null);
 224                 return resolved.toURL();
 225 
 226             } catch (URISyntaxException | MalformedURLException | PrivilegedActionException ignored) {
 227                 // Allow this method to return null so the caller will try to further resolve the path.
 228                 // If nothing else, an error message will result when the converted URL is consumed.
 229             }
 230         }
 231         return null;
 232     }
 233 
 234     @Override
 235     public String toString() {
 236         return "URLType";
 237     }
 238 
 239     public static final class SequenceConverter extends StyleConverter<ParsedValue<ParsedValue[], String>[], String[]> {
 240 
 241         public static SequenceConverter getInstance() {
 242             return Holder.SEQUENCE_INSTANCE;
 243         }
 244 
 245         private SequenceConverter() {
 246             super();
 247         }
 248 
 249         @Override
 250         public String[] convert(ParsedValue<ParsedValue<ParsedValue[], String>[], String[]> value, Font font) {
 251             ParsedValue<ParsedValue[], String>[] layers = value.getValue();
 252             String[] urls = new String[layers.length];
 253             for (int layer = 0; layer < layers.length; layer++) {
 254                 urls[layer] = URLConverter.getInstance().convert(layers[layer], font);
 255             }
 256             return urls;
 257         }
 258 
 259         @Override