Java Code Examples for javax.imageio.ImageIO#getCacheDirectory()

The following examples show how to use javax.imageio.ImageIO#getCacheDirectory() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
public void run() {
//          System.out.println("Thread " + threadName + " in thread group " +
//                             getThreadGroup().getName());

        // Create a new AppContext as though we were an applet
        SunToolkit.createNewAppContext();

        // Get default registry and store reference
        this.registry = IIORegistry.getDefaultInstance();

        for (int i = 0; i < 10; i++) {
//              System.out.println(threadName +
//                                 ": setting cache parameters to " +
//                                 useCache + ", " + cacheDirectory);
            ImageIO.setUseCache(useCache);
            ImageIO.setCacheDirectory(cacheDirectory);

            try {
                sleep(1000L);
            } catch (InterruptedException e) {
            }

//              System.out.println(threadName + ": reading cache parameters");
            boolean newUseCache = ImageIO.getUseCache();
            File newCacheDirectory = ImageIO.getCacheDirectory();
            if (newUseCache != useCache ||
                newCacheDirectory != cacheDirectory) {
//                  System.out.println(threadName + ": got " +
//                                     newUseCache + ", " +
//                                     newCacheDirectory);
//                  System.out.println(threadName + ": crosstalk encountered!");
                gotCrosstalk = true;
            }
        }
    }
 
Example 2
public void run() {
//          System.out.println("Thread " + threadName + " in thread group " +
//                             getThreadGroup().getName());

        // Create a new AppContext as though we were an applet
        SunToolkit.createNewAppContext();

        // Get default registry and store reference
        this.registry = IIORegistry.getDefaultInstance();

        for (int i = 0; i < 10; i++) {
//              System.out.println(threadName +
//                                 ": setting cache parameters to " +
//                                 useCache + ", " + cacheDirectory);
            ImageIO.setUseCache(useCache);
            ImageIO.setCacheDirectory(cacheDirectory);

            try {
                sleep(1000L);
            } catch (InterruptedException e) {
            }

//              System.out.println(threadName + ": reading cache parameters");
            boolean newUseCache = ImageIO.getUseCache();
            File newCacheDirectory = ImageIO.getCacheDirectory();
            if (newUseCache != useCache ||
                newCacheDirectory != cacheDirectory) {
//                  System.out.println(threadName + ": got " +
//                                     newUseCache + ", " +
//                                     newCacheDirectory);
//                  System.out.println(threadName + ": crosstalk encountered!");
                gotCrosstalk = true;
            }
        }
    }
 
Example 3
public static void main(String[] args) throws IOException {
    ByteArrayInputStream is =
        new ByteArrayInputStream(new byte[100]);
    ByteArrayOutputStream os =
        new ByteArrayOutputStream();

    String tmp = System.getProperty("java.io.tmpdir", ".");
    System.out.println("tmp: " + tmp);

    // count number of files before test
    ImageIO.setUseCache(true);
    ImageIO.setCacheDirectory(new File(tmp));

    File tmpDir = ImageIO.getCacheDirectory();
    System.out.println("tmpDir is " + tmpDir);
    int fnum_before = tmpDir.list().length;
    System.out.println("Files before test: " + fnum_before);

    ImageInputStream iis =
        ImageIO.createImageInputStream(is);
    System.out.println("iis = " + iis);

    ImageInputStream iis2 =
        ImageIO.createImageInputStream(is);

    ImageOutputStream ios =
        ImageIO.createImageOutputStream(os);
    System.out.println("ios = " + ios);

    ImageOutputStream ios2 =
        ImageIO.createImageOutputStream(os);

    iis2.close();
    ios2.close();
    int fnum_after = tmpDir.list().length;
    System.out.println("Files after test: " + fnum_after);

    if (fnum_before == fnum_after) {
        throw new RuntimeException("Test failed: cache was not used.");
    }
}
 
Example 4
public static void main(String[] args) throws IOException {
    ByteArrayInputStream is =
        new ByteArrayInputStream(new byte[100]);
    ByteArrayOutputStream os =
        new ByteArrayOutputStream();

    String tmp = System.getProperty("java.io.tmpdir", ".");
    System.out.println("tmp: " + tmp);

    // count number of files before test
    ImageIO.setUseCache(true);
    ImageIO.setCacheDirectory(new File(tmp));

    File tmpDir = ImageIO.getCacheDirectory();
    System.out.println("tmpDir is " + tmpDir);
    int fnum_before = tmpDir.list().length;
    System.out.println("Files before test: " + fnum_before);

    ImageInputStream iis =
        ImageIO.createImageInputStream(is);
    System.out.println("iis = " + iis);

    ImageInputStream iis2 =
        ImageIO.createImageInputStream(is);

    ImageOutputStream ios =
        ImageIO.createImageOutputStream(os);
    System.out.println("ios = " + ios);

    ImageOutputStream ios2 =
        ImageIO.createImageOutputStream(os);

    iis2.close();
    ios2.close();
    int fnum_after = tmpDir.list().length;
    System.out.println("Files after test: " + fnum_after);

    if (fnum_before == fnum_after) {
        throw new RuntimeException("Test failed: cache was not used.");
    }
}