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import java.awt.datatransfer.DataFlavor;

import java.awt.datatransfer.SystemFlavorMap;

import java.util.*;

/*

 * @test

 * @summary To test SystemFlavorMap methods

 *          List getFlavorsForNative(String nat)

 *          List getNativesForFlavor(DataFlavor flav)

 *          with valid natives and DataFlavors, including null.

 *          This test will verify that the returned mappings

 *          include all entries and that the correct order is

 *          maintained.

 * @author Rick Reynaga (rick.reynaga@eng.sun.com) area=Clipboard

 * @run main ManyFlavorMapTest

 */

public class ManyFlavorMapTest {

    SystemFlavorMap flavorMap;

    Map mapFlavors;

    Map mapNatives;

    Hashtable hashFlavors;

    Hashtable hashNatives;

    public static void main (String[] args) {

        new ManyFlavorMapTest().doTest();

    }

    public void doTest() {

        flavorMap = (SystemFlavorMap)SystemFlavorMap.getDefaultFlavorMap();

        // Get SystemFlavorMap Maps of String Natives and DataFlavors

        mapFlavors = flavorMap.getNativesForFlavors(null);

        mapNatives = flavorMap.getFlavorsForNatives(null);

        hashFlavors = new Hashtable(mapFlavors);

        hashNatives = new Hashtable(mapNatives);

        // Assertion: Verify getNativesForFlavors(null) is returning the full list

        //            of String Native entries

        List listNatives = flavorMap.getNativesForFlavor(null);

        verifyListAllNativeEntries(listNatives);

        // Assertion: Verify getFlavorsForNatives(null) is returning the full list

        //            of DataFlavor entries

        List listFlavors = flavorMap.getFlavorsForNative(null);

        verifyListAllDataFlavorEntries(listFlavors);

        // Assertion: Verify getNativesForFlavor(DataFlavor flav) is returning the list

        //            of Native Strings (for all supported DataFlavors)

        //

        //            Verify that the first list item is the most preferred Native

        verifyListNativeEntries();

        // Assertion: Verify getFlavorsForNative(String nat) is returning the list

        //            of DataFlavors(for all supported natives)

        //

        //            Verify that the first list item is the most preferred DataFlavor

        verifyListDataFlavorEntries();

    }

    // Verify getFlavorsForNative(String nat) is returning the list

    // of DataFlavors(for all supported natives)

    public void verifyListDataFlavorEntries() {

        // Enumerate through all natives

        for (Enumeration e = hashNatives.keys() ; e.hasMoreElements() ;) {

            String key = (String)e.nextElement();

            // SystemFlavorMap preferred value

            DataFlavor value = (DataFlavor)hashNatives.get(key);

            java.util.List listFlavors = flavorMap.getFlavorsForNative(key);

            Vector vectorFlavors = new Vector(listFlavors);

            // First element should be preferred value

            DataFlavor prefFlavor = (DataFlavor)vectorFlavors.firstElement();

            if ( value != prefFlavor ) {

                throw new RuntimeException("\n*** Error in verifyListDataFlavorEntries()" +

                    "\nAPI Test: List getFlavorsForNative(String nat)" +

                    "\native: " + key +

                    "\nSystemFlavorMap preferred native: " + value.getMimeType() +

                    "\nList first entry: " + prefFlavor.getMimeType() +

                    "\nTest failed because List first entry does not match preferred");

            }

        }

        System.out.println("*** native size = " + hashNatives.size());

    }

    // Verify getNativesForFlavor(DataFlavor flav) is returning the list

    // of Native Strings (for all supported DataFlavors)

    public void verifyListNativeEntries() {

        // Enumerate through all DataFlavors

        for (Enumeration e = hashFlavors.keys() ; e.hasMoreElements() ;) {

            DataFlavor key = (DataFlavor)e.nextElement();

            // SystemFlavorMap preferred value

            String value = (String)hashFlavors.get(key);

            java.util.List listNatives = flavorMap.getNativesForFlavor(key);

            Vector vectorNatives = new Vector(listNatives);

            // First element should be preferred value

            String prefNative = (String)vectorNatives.firstElement();

            if ( value != prefNative ) {

                throw new RuntimeException("\n*** Error in verifyListNativeEntries()" +

                    "\nAPI Test: List getNativesForFlavor(DataFlavor flav)" +

                    "\nDataFlavor: " + key.getMimeType() +

                    "\nSystemFlavorMap preferred native: " + value +

                    "\nList first entry: " + prefNative +

                    "\nTest failed because List first entry does not match preferred");

            }

        }

        System.out.println("*** DataFlavor size = " + hashFlavors.size());

    }

    // Compare List of Natives with list from SystemFlavorMap

    //

    // Verification will be done by comparing the two results as sets

    public void verifyListAllNativeEntries(java.util.List listNatives) {

        HashSet hashSetMap = new HashSet(mapNatives.keySet());

        HashSet hashSetList = new HashSet(listNatives);

        System.out.println("*** hashSetMap size = " + hashSetMap.size());

        System.out.println("*** hashSetList size = " + hashSetList.size());

        if (!hashSetMap.equals(hashSetList)) {

            throw new RuntimeException("\n*** Error in verifyListAllNativeEntries()" +

                "\nAPI Test: List getNativesForFlavor(null)" +

                "\nTest failed because the returned List does not exactly" +

                "\nmatch objects returned from SystemFlavorMap.");

        }

    }

    // Compare List of DataFlavors with list from SystemFlavorMap

    //

    // Verification will be done by comparing the two results as sets

    public void verifyListAllDataFlavorEntries(java.util.List listFlavors) {

        HashSet hashSetMap = new HashSet(mapFlavors.keySet());

        HashSet hashSetList = new HashSet(listFlavors);

        System.out.println("*** hashSetMap size = " + hashSetMap.size());

        System.out.println("*** hashSetList size = " + hashSetList.size());

        if (!hashSetMap.equals(hashSetList)) {

            throw new RuntimeException("\n*** Error in verifyListAllDataFlavorEntries()" +

                "\nAPI Test: List getFlavorsForNative(null)" +

                "\nTest failed because the returned List does not exactly" +

                "\nmatch objects returned from SystemFlavorMap.");

        }

    }

}