/**
* Copyright (c) 2000-2014 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.faces.bridge.component.inputfile.internal;
import java.lang.reflect.Method;
import javax.faces.view.facelets.ComponentConfig;
import javax.faces.view.facelets.ComponentHandler;
import javax.faces.view.facelets.MetaRule;
import javax.faces.view.facelets.MetaRuleset;
import javax.faces.view.facelets.Metadata;
import javax.faces.view.facelets.MetadataTarget;
import javax.faces.view.facelets.TagAttribute;
import com.liferay.faces.bridge.component.inputfile.InputFile;
import com.liferay.faces.bridge.event.FileUploadEvent;
import com.liferay.faces.util.view.facelets.MethodMetadata;
/**
* @author Neil Griffin
*/
public class InputFileHandler extends ComponentHandler {
// Private Constants
private static final String FILE_UPLOAD_LISTENER = "fileUploadListener";
public InputFileHandler(ComponentConfig componentConfig) {
super(componentConfig);
}
@SuppressWarnings("rawtypes")
@Override
protected MetaRuleset createMetaRuleset(Class type) {
MetaRuleset metaRuleset = super.createMetaRuleset(type);
metaRuleset.addRule(new HtmlInputFileMethodRule());
return metaRuleset;
}
protected class HtmlInputFileMethodRule extends MetaRule {
@Override
public Metadata applyRule(String name, TagAttribute tagAttribute, MetadataTarget metadataTarget) {
Metadata metadata = null;
if ((metadataTarget != null) && (metadataTarget.isTargetInstanceOf(InputFile.class))) {
if (FILE_UPLOAD_LISTENER.equals(name)) {
Method writeMethod = metadataTarget.getWriteMethod(name);
Class<?>[] args = new Class[] { FileUploadEvent.class };
metadata = new MethodMetadata(tagAttribute, writeMethod, args);
}
}
return metadata;
}
}
}