wicket.contrib.jasperreports.view.EmbeddedJRReport.java Source code

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Here is the source code for wicket.contrib.jasperreports.view.EmbeddedJRReport.java

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/*
 * $Id: EmbeddedJRReport.java 1959 2007-04-19 04:11:08Z eelco12 $
 * $Revision: 1959 $ $Date: 2007-04-19 12:11:08 +0800 (Thu, 19 Apr 2007) $
 * 
 * ==============================================================================
 * 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 wicket.contrib.jasperreports.view;

import org.apache.wicket.IResourceListener;
import org.apache.wicket.ResourceReference;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.WebComponent;

import wicket.contrib.jasperreports.JRResource;

/**
 * Component for embedding a jasper report in a page. This component must be attached to an <object> tag. If you don't want to embed the report, but have a link to it instead, use  {@link ResourceReference} .
 * @author  <a href="mailto:evanchooly@gmail.com">Justin Lee</a>
 */
public final class EmbeddedJRReport extends WebComponent implements IResourceListener {
    /**
     * @uml.property  name="resource"
     * @uml.associationEnd  
     */
    private final JRResource resource;

    /**
     * Construcxt.
     * 
     * @param componentID
     *            component componentID
     * @param resource
     *            the resource
     */
    public EmbeddedJRReport(String componentID, JRResource resource) {
        super(componentID);
        this.resource = resource;
    }

    /**
     * @see wicket.IResourceListener#onResourceRequested()
     */
    public void onResourceRequested() {
        resource.onResourceRequested();
    }

    /**
     * @see wicket.Component#onComponentTag(wicket.markup.ComponentTag)
     */
    protected void onComponentTag(ComponentTag tag) {
        if (!"embed".equalsIgnoreCase(tag.getName())) {
            findMarkupStream().throwMarkupException("Component " + getId()
                    + " must be applied to a tag of type 'object' not " + tag.toUserDebugString());
        }
        tag.put("src", getResponse().encodeURL(urlFor(IResourceListener.INTERFACE)));
        tag.put("type", resource.getContentType());
        super.onComponentTag(tag);

    }

}