Java SystemFlavorMap.decodeDataFlavor方法代码示例

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
/**
 * Verifies that the encoded native is added only for DataFlavors
 * that has no mappings and that DataFlavor is properly encoded.
 */
public static void test4() throws ClassNotFoundException {
    final DataFlavor flavor =
            new DataFlavor("unknown/unknown");

    final java.util.List natives = fm.getNativesForFlavor(flavor);

    if (natives.size() == 1) {
        String element = (String) natives.get(0);
        if (SystemFlavorMap.isJavaMIMEType(element)) {
            final DataFlavor decodedFlavor =
                    SystemFlavorMap.decodeDataFlavor(element);
            if (!flavor.equals(decodedFlavor)) {
                System.err.println("DataFlavor is not properly incoded:");
                System.err.println("    encoded flavor: " + flavor);
                System.err.println("    decoded flavor: " + decodedFlavor);
                throw new RuntimeException("getFlavorsForNative() returns:"
                        + natives);
            }
        }
    } else {
        throw new RuntimeException("getFlavorsForNative() returns:"
                + natives);
    }
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public void initMappings() throws Exception {
    //initialize mapping variables used in this test
    //create a DataFlavor from Button class
    test_flavor1 = new DataFlavor(Class.forName("java.awt.Button"), "Button");

    //create an Encoded String native using Button class MIME Type
    String buttonMIME = test_flavor1.getMimeType();
    test_encoded = SystemFlavorMap.encodeJavaMIMEType(buttonMIME);

    //create a DataFlavor from the Encoded String native
    test_flavor2 = SystemFlavorMap.decodeDataFlavor(test_encoded);

    //create and initialize DataFlavor arrays
    test_flavors_set = new DataFlavor[] {test_flavor1};

    //create and initialize String native arrays
    test_natives_set = new String[] {test_encoded};
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public void initMappings() throws Exception {
   //initialize mapping variables used in this test
  //create an Unencoded String native
  test_native1 = "TEST1";

  //create a DataFlavor from Button class
  test_flavor1 = new DataFlavor(Class.forName("java.awt.Button"), "Button");

  //create an Encoded String native using Button class MIME Type
  String buttonMIME = test_flavor1.getMimeType();
  test_encoded = SystemFlavorMap.encodeJavaMIMEType(buttonMIME);

  //create a DataFlavor from the Encoded String native
  test_flavor2 = SystemFlavorMap.decodeDataFlavor(test_encoded);

  //create and initialize DataFlavor arrays
  test_flavors_set = new DataFlavor[] {test_flavor2};

  //create and initialize String native arrays
  test_natives_set = new String[] {test_encoded};
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
/**
 * @param dataObject
 */
public DataSnapshot(DataProvider data) {
    nativeFormats = data.getNativeFormats();
    text = data.getText();
    fileList = data.getFileList();
    url = data.getURL();
    html = data.getHTML();
    rawBitmap = data.getRawBitmap();
    
    serializedObjects = Collections.synchronizedMap(new HashMap<Class<?>, byte[]>());
    
    for (int i = 0; i < nativeFormats.length; i++) {
        DataFlavor df = null;
        try {
            df = SystemFlavorMap.decodeDataFlavor(nativeFormats[i]);
        } catch (ClassNotFoundException e) {}
        if (df != null) {
            Class<?> clazz = df.getRepresentationClass();
            byte[] bytes = data.getSerializedObject(clazz);
            if (bytes != null) {
                serializedObjects.put(clazz, bytes);
            }
        }
    }
    // TODO: refine the list of native formats
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public boolean isNativeFormatAvailable(String nativeFormat) {
    if (nativeFormat == null) {
        return false;
    }
    if (nativeFormat.equals(FORMAT_TEXT)) {
        return (text != null);
    }
    if (nativeFormat.equals(FORMAT_FILE_LIST)) {
        return (fileList != null);
    }
    if (nativeFormat.equals(FORMAT_URL)) {
        return (url != null);
    }
    if (nativeFormat.equals(FORMAT_HTML)) {
        return (html != null);
    }
    if (nativeFormat.equals(FORMAT_IMAGE)) {
        return (rawBitmap != null);
    }
    try {
        DataFlavor df = SystemFlavorMap.decodeDataFlavor(nativeFormat);
        return serializedObjects.containsKey(df.getRepresentationClass());
    } catch (Exception e) {
        return false;
    }
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public boolean isNativeFormatAtailable(String nativeFormat) {
    if (nativeFormat == null) {
        return false;
    }
    if (nativeFormat.equals(FORMAT_TEXT)) {
        return (text != null);
    }
    if (nativeFormat.equals(FORMAT_FILE_LIST)) {
        return (fileList != null);
    }
    if (nativeFormat.equals(FORMAT_URL)) {
        return (url != null);
    }
    if (nativeFormat.equals(FORMAT_HTML)) {
        return (html != null);
    }
    if (nativeFormat.equals(FORMAT_IMAGE)) {
        return (rawBitmap != null);
    }
    try {
        DataFlavor df = SystemFlavorMap.decodeDataFlavor(nativeFormat);
        return serializedObjects.containsKey(df.getRepresentationClass());
    } catch (Exception e) {
        return false;
    }
}
 

import java.awt.datatransfer.SystemFlavorMap; //导入方法依赖的package包/类
public byte[] getSerializedObject(String nativeFormat) {
    try {
        DataFlavor df = SystemFlavorMap.decodeDataFlavor(nativeFormat);
        return getSerializedObject(df.getRepresentationClass());
    } catch (Exception e) {
        return null;
    }
}