ResourceFixup.java
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.esigate.extension;
import java.util.Properties;
import org.esigate.Driver;
import org.esigate.events.Event;
import org.esigate.events.EventDefinition;
import org.esigate.events.EventManager;
import org.esigate.events.IEventListener;
import org.esigate.events.impl.RenderEvent;
import org.esigate.renderers.ResourceFixupRenderer;
import org.esigate.util.Parameter;
import org.esigate.util.ParameterString;
/**
* Rewrites URLs found inside html pages.
*
* @author Francois-Xavier Bonnet
*
*/
public class ResourceFixup implements Extension, IEventListener {
private static final Parameter<String> FIX_MODE = new ParameterString("fixMode", "relative");
private boolean absolute;
@Override
public boolean event(EventDefinition id, Event event) {
RenderEvent renderEvent = (RenderEvent) event;
// Fix resources
String baseUrl = renderEvent.getOriginalRequest().getBaseUrl().toString();
String visibleBaseUrl = renderEvent.getOriginalRequest().getVisibleBaseUrl();
ResourceFixupRenderer fixup =
new ResourceFixupRenderer(baseUrl, renderEvent.getRemoteUrl(), renderEvent.getOriginalRequest()
.getDriver().getUrlRewriter(), visibleBaseUrl, absolute);
// Add fixup renderer as first renderer.
renderEvent.getRenderers().add(0, fixup);
// Continue processing
return true;
}
@Override
public void init(Driver driver, Properties properties) {
absolute = "absolute".equalsIgnoreCase(FIX_MODE.getValue(properties));
driver.getEventManager().register(EventManager.EVENT_RENDER_PRE, this);
}
}