1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  23 
  24 /*
  25   @test
  26   @bug 4493178
  27   @summary tests that getNativesForFlavor() synthesizes an encoded String native
  28            only if there are no mappings for the DataFlavor and the mappings
  29            were not explicitly removed
  30   @author das@sparc.spb.su area=datatransfer
  31   @modules java.datatransfer
  32   @run main GetNativesForFlavorTest
  33 */
  34 
  35 import java.awt.datatransfer.DataFlavor;
  36 import java.awt.datatransfer.SystemFlavorMap;
  37 import java.util.Iterator;
  38 
  39 public class GetNativesForFlavorTest {
  40 
  41     final static SystemFlavorMap fm =
  42             (SystemFlavorMap) SystemFlavorMap.getDefaultFlavorMap();
  43 
  44     public static void main(String[] args) throws Exception {
  45         // 1.Check that the encoded native is not added if there are other
  46         // natives for this DataFlavor.
  47         test1();
  48 
  49         // 2.Check that the encoded native is not added if all mappings were
  50         // explicitly removed for this DataFlavor.
  51         test2();
  52 
  53         // 3.Check that only the encoded native is added for text DataFlavors
  54         // that has no mappings and that DataFlavor is properly encoded.
  55         test3();
  56 
  57         // 4.Verifies that the encoded native is added only for DataFlavors
  58         // that has no mappings and that DataFlavor is properly encoded.
  59         test4();
  60     }
  61 
  62     /**
  63      * Verifies that the encoded native is not added if there are other
  64      * natives mapped to this DataFlavor.
  65      */
  66     public static void test1() throws ClassNotFoundException {
  67         final DataFlavor flavor =
  68                 new DataFlavor("text/plain-TEST; charset=Unicode");
  69 
  70         final java.util.List natives = fm.getNativesForFlavor(flavor);
  71 
  72         if (natives.size() > 1) {
  73             for (final Iterator i = natives.iterator(); i.hasNext(); ) {
  74                 String element = (String) i.next();
  75                 if (SystemFlavorMap.isJavaMIMEType(element)) {
  76                     throw new RuntimeException("getFlavorsForNative() returns: "
  77                             + natives);
  78                 }
  79             }
  80         }
  81     }
  82 
  83     /**
  84      * Verifies that the encoded native is not added if all mappings were
  85      * explicitly removed for this DataFlavor.
  86      */
  87     public static void test2() throws ClassNotFoundException {
  88         final DataFlavor flavor =
  89                 new DataFlavor("text/plain-TEST; charset=Unicode");
  90 
  91         fm.setNativesForFlavor(flavor, new String[0]);
  92 
  93         final java.util.List natives = fm.getNativesForFlavor(flavor);
  94 
  95         if (!natives.isEmpty()) {
  96             throw new RuntimeException("getFlavorsForNative() returns:" +
  97                     natives);
  98         }
  99     }
 100 
 101     /**
 102      * Verifies that only the encoded native is added for text DataFlavors
 103      * that has no mappings and that DataFlavor is properly encoded.
 104      */
 105     public static void test3() throws ClassNotFoundException {
 106         //
 107         final DataFlavor flavor =
 108                 new DataFlavor("text/plain-TEST-nocharset; class=java.nio.ByteBuffer");
 109 
 110         final java.util.List natives = fm.getNativesForFlavor(flavor);
 111         boolean encodedNativeFound = false;
 112 
 113         if (natives.size() == 0) {
 114             throw new RuntimeException("getFlavorsForNative() returns:" +
 115                     natives);
 116         }
 117 
 118         if (natives.size() == 1) {
 119             String element = (String) natives.get(0);
 120             if (SystemFlavorMap.isJavaMIMEType(element)) {
 121                 final DataFlavor decodedFlavor =
 122                         SystemFlavorMap.decodeDataFlavor(element);
 123                 if (!flavor.equals(decodedFlavor)) {
 124                     System.err.println("DataFlavor is not properly incoded:");
 125                     System.err.println("    encoded flavor: " + flavor);
 126                     System.err.println("    decoded flavor: " + decodedFlavor);
 127                     throw new RuntimeException("getFlavorsForNative() returns:"
 128                             + natives);
 129                 }
 130             }
 131         } else {
 132             for (final Iterator i = natives.iterator(); i.hasNext(); ) {
 133                 String element = (String) i.next();
 134                 if (SystemFlavorMap.isJavaMIMEType(element)) {
 135                     throw new RuntimeException("getFlavorsForNative() returns:"
 136                             + natives);
 137                 }
 138             }
 139         }
 140     }
 141 
 142     /**
 143      * Verifies that the encoded native is added only for DataFlavors
 144      * that has no mappings and that DataFlavor is properly encoded.
 145      */
 146     public static void test4() throws ClassNotFoundException {
 147         final DataFlavor flavor =
 148                 new DataFlavor("unknown/unknown");
 149 
 150         final java.util.List natives = fm.getNativesForFlavor(flavor);
 151 
 152         if (natives.size() == 1) {
 153             String element = (String) natives.get(0);
 154             if (SystemFlavorMap.isJavaMIMEType(element)) {
 155                 final DataFlavor decodedFlavor =
 156                         SystemFlavorMap.decodeDataFlavor(element);
 157                 if (!flavor.equals(decodedFlavor)) {
 158                     System.err.println("DataFlavor is not properly incoded:");
 159                     System.err.println("    encoded flavor: " + flavor);
 160                     System.err.println("    decoded flavor: " + decodedFlavor);
 161                     throw new RuntimeException("getFlavorsForNative() returns:"
 162                             + natives);
 163                 }
 164             }
 165         } else {
 166             throw new RuntimeException("getFlavorsForNative() returns:"
 167                     + natives);
 168         }
 169     }
 170 }