/**
* Copyright 2010 Molindo GmbH
*
* 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.wicketstuff.mergedresources.util;
import java.util.ArrayList;
import java.util.List;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.behavior.AbstractHeaderContributor;
import org.apache.wicket.markup.html.IHeaderContributor;
import org.apache.wicket.markup.html.IHeaderResponse;
import org.apache.wicket.util.string.Strings;
public class MergedHeaderContributor extends AbstractHeaderContributor {
private static final long serialVersionUID = 1L;
public IHeaderContributor _contributor;
private ArrayList<ResourceReference> _refs;
private String _cssMediaType;
public MergedHeaderContributor(final List<ResourceReference> refs) {
this(refs, null);
}
public MergedHeaderContributor(List<ResourceReference> refs, String cssMediaType) {
_refs = new ArrayList<ResourceReference>(refs);
_cssMediaType = cssMediaType;
_contributor = new IHeaderContributor() {
private static final long serialVersionUID = 1L;
public void renderHead(final IHeaderResponse response) {
for (final ResourceReference ref : _refs) {
final String name = ref.getName();
if (name != null) {
if (name.endsWith(".js")) {
response.renderJavascriptReference(ref);
} else if (name.endsWith(".css")) {
if (Strings.isEmpty(_cssMediaType)) {
response.renderCSSReference(ref);
} else {
response.renderCSSReference(ref, _cssMediaType);
}
}
}
}
}
};
}
@Override
public IHeaderContributor[] getHeaderContributors() {
return new IHeaderContributor[] { _contributor };
}
}