org.wicketstuff.mergedresources.resources.CompressedMergedResource.java Source code

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Here is the source code for org.wicketstuff.mergedresources.resources.CompressedMergedResource.java

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/**
 * 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.resources;

import java.util.Locale;

import org.apache.wicket.Application;
import org.apache.wicket.markup.html.CompressedPackageResource;
import org.apache.wicket.protocol.http.WebResponse;
import org.apache.wicket.util.resource.IResourceStream;
import org.wicketstuff.mergedresources.ResourceSpec;
import org.wicketstuff.mergedresources.preprocess.IResourcePreProcessor;

public class CompressedMergedResource extends CompressedPackageResource {

    private static final long serialVersionUID = 1L;

    private final IResourceStream _mergedResourceStream;

    private int _cacheDuration;

    /**
     * @deprecated use ResourceSpec[] instead of scopes[] and files[]
     */
    @Deprecated
    public CompressedMergedResource(Class<?> scope, final String path, final Locale locale, final String style,
            final Class<?>[] scopes, final String[] files, int cacheDuration) {
        this(scope, path, locale, style, ResourceSpec.toResourceSpecs(scopes, files), cacheDuration, null);
    }

    public CompressedMergedResource(Class<?> scope, final String path, final Locale locale, final String style,
            final ResourceSpec[] specs, int cacheDuration, IResourcePreProcessor preProcessor) {
        super(scope, path, locale, style);
        _cacheDuration = cacheDuration;
        _mergedResourceStream = newResourceStream(locale, style, specs, preProcessor);
    }

    protected IResourceStream newResourceStream(final Locale locale, final String style, final ResourceSpec[] specs,
            IResourcePreProcessor preProcessor) {
        return new MergedResourceStream(specs, locale, style, preProcessor);
    }

    @Override
    protected IResourceStream getPackageResourceStream() {
        return _mergedResourceStream;
    }

    @Override
    public int getCacheDuration() {
        return _cacheDuration;
    }

    protected void setHeaders(WebResponse response) {
        super.setHeaders(response);
        if (!Application.get().getResourceSettings().getDisableGZipCompression()) {
            response.setHeader("Vary", "Accept-Encoding");
        }
        response.setHeader("Cache-control", "public");
    }
}