org.richfaces.component.AbstractMediaOutput Maven / Gradle / Ivy
/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.component;
import java.util.Date;
import javax.el.MethodExpression;
import javax.faces.application.Resource;
import javax.faces.application.ResourceHandler;
import javax.faces.component.UIOutput;
import org.richfaces.cdk.annotations.Attribute;
import org.richfaces.cdk.annotations.EventName;
import org.richfaces.cdk.annotations.JsfComponent;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.cdk.annotations.Tag;
import org.richfaces.cdk.annotations.TagType;
import org.richfaces.component.attribute.AccesskeyProps;
import org.richfaces.resource.MediaOutputResource;
import org.richfaces.component.attribute.CoreProps;
import org.richfaces.component.attribute.EventsKeyProps;
import org.richfaces.component.attribute.EventsMouseProps;
import org.richfaces.component.attribute.FocusProps;
import org.richfaces.component.attribute.I18nProps;
import org.richfaces.component.attribute.LinkProps;
import org.richfaces.view.facelets.html.MediaOutputHandler;
/**
*
* The <a4j:mediaOutput> component is used for generating images, video, sounds, and other resources defined on the fly.
*
*
* @author shura
*/
@JsfComponent(tag = @Tag(generate = false, handlerClass = MediaOutputHandler.class, type = TagType.Facelets),
renderer = @JsfRenderer(type = "org.richfaces.MediaOutputRenderer"))
public abstract class AbstractMediaOutput extends UIOutput implements AccesskeyProps, CoreProps, FocusProps, I18nProps, LinkProps {
public static final String COMPONENT_TYPE = "org.richfaces.MediaOutput";
public static final String COMPONENT_FAMILY = "org.richfaces.MediaOutput";
public Resource getResource() {
ResourceHandler resourceHandler = getFacesContext().getApplication().getResourceHandler();
return resourceHandler.createResource(MediaOutputResource.class.getName());
}
/**
* Get URI attribute for resource ( src for images, href for links etc ).
*/
@Attribute
public abstract String getUriAttribute();
/**
* Get the Element name for rendering ( img , a , object, applet ).
*/
@Attribute
public abstract String getElement();
/**
* Deprecated. This attribute specifies the position of an IMG, OBJECT, or APPLET with respect to its context.
* The possible values are "bottom", "middle", "top", "left" and "right". The default value is "middle".
*/
@Attribute
public abstract String getAlign();
/**
* Specifies a space-separated list of URIs
*/
@Attribute
public abstract String getArchive();
/**
* Deprecated. This attribute specifies the width of an IMG or OBJECT border, in pixels.
* The default value for this attribute depends on the user agent
*/
@Attribute
public abstract String getBorder();
/**
* Attribute is a flag that defines the caching strategy. If 'cacheable' is set to false, the response will not be cached.
* If it is set to true, it will be cached and the serialized value of 'value' attribute plays the role of a cache key.
*/
@Attribute
public abstract boolean isCacheable();
/**
* Identifies an implementation
*/
@Attribute
public abstract String getClassid();
/**
* Base URI for classid, data, archive
*/
@Attribute
public abstract String getCodebase();
/**
* Defines content type for code
*/
@Attribute
public abstract String getCodetype();
/**
*
* The attribute specifies shape and it position on the screen. Possible values: "rect: left-x, top-y, right-x,
* bottom-y", "circle: center-x, center-y, radius", "poly: x1, y1, x2, y2, ..., xN, yN".
*
*
* Notes:
*
* - when giving the radius value in percents, user agents should calculate the final radius value in pixels
* based on the associated object's width and height;
* - the radius value should be smaller than center-x and center-y values;
* - for a polygon, the first and last coordinate pairs should have same x and y to close the shape (x1=xN; y1=yN)
* (when these coordinates are different, user agents should infer an additional pair to close a polygon).
*
* Coordinates are relative to the top left corner of an object. All values are lengths. All values are comma separated.
*
*/
@Attribute
public abstract String getCoords();
/**
* Declare but don't instantiate flag
*/
@Attribute
public abstract String getDeclare();
/**
* The attribute allows to manage caching and defines the period after which a resource is reloaded.
*/
@Attribute
public abstract Date getExpires();
/**
* Deprecated. This attribute specifies the amount of white space to be inserted to the left and right of an
* IMG, APPLET, or OBJECT. The default value is not specified, but is generally a small, non-zero length
*/
@Attribute
public abstract String getHspace();
/**
* Use server-side image map
*/
@Attribute
public abstract boolean isIsmap();
/**
* The attribute allows to manage caching. A browser can send request with the header "If-Modified-Since" for
* necessity of object reloading.
* If time of modification is earlier, then the framework doesn't call generation and return code 304.
*/
@Attribute
public abstract Date getLastModified();
/**
* Geterated content mime-type for append to response header ( 'image/jpeg' etc )
*/
@Attribute
public abstract String getMimeType();
/**
* Method call expression to send generated resource to OutputStream. It must have two parameter with a type of
* java.io.OutputStream and java.lang.Object ( deserialized value of data attribute )
*/
@Attribute
public abstract MethodExpression getCreateContent();
public abstract void setCreateContent(MethodExpression createContent);
/**
* Message to show while loading
*/
@Attribute
public abstract String getStandby();
/**
* Specifies an image as a client-side image-map
*/
@Attribute
public abstract String getUsemap();
/**
* Deprecated. This attribute specifies the amount of white space to be inserted above and below an IMG, APPLET, or OBJECT.
* The default value is not specified, but is generally a small, non-zero length
*/
@Attribute
public abstract String getVspace();
/**
* Filename of the resource to be served
*/
@Attribute
public abstract String getFileName();
/**
*
* Data value calculated at render time and stored in URI (also as part of cache Key ), at generation time passed
* to send method. Can be used for update cache at change of generating conditions, and for creating beans as
* "Lightweight" pattern components (request scope).
*
*
* IMPORTANT: Since serialized data stored in URI, avoid using big objects.
*
*/
@Attribute
public abstract Object getValue();
}