org.apache.wicket.request.handler.resource.ResourceReferenceRequestHandler.java Source code

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Here is the source code for org.apache.wicket.request.handler.resource.ResourceReferenceRequestHandler.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.wicket.request.handler.resource;

import java.util.Locale;

import org.apache.wicket.request.ILoggableRequestHandler;
import org.apache.wicket.request.IRequestCycle;
import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.core.request.handler.logger.ResourceReferenceLogData;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.request.resource.IResource;
import org.apache.wicket.request.resource.ResourceReference;
import org.apache.wicket.util.lang.Args;

/**
 * Request handler for {@link ResourceReference}. This handler is only used to generate URLs.
 * 
 * @author Matej Knopp
 */
public class ResourceReferenceRequestHandler implements IRequestHandler, ILoggableRequestHandler {
    private final ResourceReference resourceReference;

    private final PageParameters pageParameters;

    private ResourceReferenceLogData logData;

    /**
     * Construct.
     * 
     * @param resourceReference
     */
    public ResourceReferenceRequestHandler(ResourceReference resourceReference) {
        this(resourceReference, null);
    }

    /**
     * Construct.
     * 
     * @param resourceReference
     * @param pageParameters
     */
    public ResourceReferenceRequestHandler(ResourceReference resourceReference, PageParameters pageParameters) {
        Args.notNull(resourceReference, "resourceReference");

        this.resourceReference = resourceReference;
        this.pageParameters = pageParameters != null ? pageParameters : new PageParameters();
    }

    /**
     * @return resource reference
     */
    public ResourceReference getResourceReference() {
        return resourceReference;
    }

    /**
     * @return page parameters
     */
    public PageParameters getPageParameters() {
        return pageParameters;
    }

    @Override
    public void detach(IRequestCycle requestCycle) {
        if (logData == null)
            logData = new ResourceReferenceLogData(this);
    }

    @Override
    public ResourceReferenceLogData getLogData() {
        return logData;
    }

    @Override
    public void respond(IRequestCycle requestCycle) {
        new ResourceRequestHandler(getResourceReference().getResource(), getPageParameters()).respond(requestCycle);
    }

    /**
     * @return reference locale
     */
    public Locale getLocale() {
        return getResourceReference().getLocale();
    }

    /**
     * @return resource
     */
    public IResource getResource() {
        return getResourceReference().getResource();
    }

    /**
     * @return style
     */
    public String getStyle() {
        return getResourceReference().getStyle();
    }

    /**
     * @return variation
     */
    public String getVariation() {
        return getResourceReference().getVariation();
    }

    @Override
    public String toString() {
        return "ResourceReferenceRequestHandler{" + "resourceReference=" + resourceReference + ", pageParameters="
                + pageParameters + '}';
    }
}