Example usage for org.apache.wicket.util.listener IChangeListener IChangeListener

Introduction

In this page you can find the example usage for org.apache.wicket.util.listener IChangeListener IChangeListener.

Prototype

IChangeListener

Source Link

Usage

From source file:de.micromata.less.LessWicketApplicationInstantiator.java

License:Open Source License

/**
 * adds a resource watcher entry to the given less source
 * // w w w. jav  a 2 s .c om
 * @param resourceWatcher
 * @param importedSource
 */
private void addWatcher(final IModificationWatcher resourceWatcher, final LessSource importedSource) {
    log.info("adding watcher to less file " + importedSource.getAbsolutePath());
    resourceWatcher.add(new org.apache.wicket.util.file.File(new File(importedSource.getAbsolutePath())),
            new IChangeListener() {

                @Override
                public void onChange() {
                    try {
                        compile();
                    } catch (final Exception e) {
                        log.error("unable to compile less source during watcher for file "
                                + importedSource.getAbsolutePath(), e);
                    }
                }
            });
}

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From source file:wicket.contrib.groovy.GroovyClassResolver.java

License:Apache License

/**
 * Load the groovy file and watch for changes. If changes to the groovy
 * happens, than reload the file./*from  w  w w  .j  ava 2  s  . c  o m*/
 * 
 * @param classname
 * @param resource
 * @return Loaded class
 */
private Class loadGroovyFileAndWatchForChanges(final String classname, final IResourceStream resource) {
    // Watch file in the future
    final IModificationWatcher watcher = application.getResourceSettings().getResourceWatcher(true);

    if (watcher != null) {
        watcher.add(resource, new IChangeListener() {
            public void onChange() {
                try {
                    log.info("Reloading groovy file from " + resource);

                    // Reload file and update cache
                    final Class clazz = loadGroovyFile(classname, resource);
                    log.debug("Groovy file contained definition for class: " + clazz.getName());
                } catch (Exception e) {
                    log.error("Unable to load groovyy file: " + resource, e);
                }
            }
        });
    }

    log.info("Loading groovy file from " + resource);
    return loadGroovyFile(classname, resource);
}

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