org.icefaces.ace.component.graphicimage.GraphicImage Maven / Gradle / Ivy

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There is a newer version: 4.3.0
/*
 * Copyright 2004-2014 ICEsoft Technologies Canada Corp.
 *
 * 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.icefaces.ace.component.graphicimage;


import org.icefaces.application.ResourceRegistry;
import org.icefaces.ace.util.Attribute;
import org.icefaces.ace.util.IceOutputResource;

import javax.faces.application.FacesMessage;
import javax.faces.application.ProjectStage;
import javax.faces.application.Resource;
import javax.faces.application.ResourceHandler;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;


public class GraphicImage extends GraphicImageBase {
    private static final Logger logger =
            Logger.getLogger(GraphicImage.class.toString());

    public String processSrcAttribute(FacesContext facesContext, Object o, String name, String mimeType, String scope) {
        if (o instanceof IceOutputResource) {
            //register resource..
            IceOutputResource iceResource = (IceOutputResource) o;
            //set name for resource to component id??
            return registerAndGetPath(scope, iceResource);
        }

        if (o instanceof byte[]) {
            // have to create the resource first and cache it in ResourceRegistry
            //create IceOutputResource
            IceOutputResource ior = new IceOutputResource(name, o, mimeType);
            String registeredPath = registerAndGetPath(scope, ior);
            if (logger.isLoggable(Level.FINE)) {
                logger.fine("Returning path=" + registeredPath + " FOR SCOPE+" + scope);
            }
            return registeredPath;
        } else {
            // just do default from compat ImageRenderer as it's a static file
            if (logger.isLoggable(Level.FINE)) {
                logger.fine("just getting the string representation");
            }
            return processStaticImage(facesContext);
        }
    }


    private String registerAndGetPath(String scope,
                                      IceOutputResource iceResource) {
        String registeredPath = "";
        if (scope.equals("application")) {
            registeredPath = ResourceRegistry.addApplicationResource(iceResource);
        } else if (scope.equals("window"))
            registeredPath = ResourceRegistry.addWindowResource(iceResource);
        else if (scope.equals("view"))
            registeredPath = ResourceRegistry.addViewResource(iceResource);
        else if (scope.equals("session"))
            registeredPath = ResourceRegistry.addSessionResource(iceResource);
        return registeredPath;
    }


    protected String processStaticImage(FacesContext facesContext) {
        String value = (String) super.getValue();
        // support url as an alias for value
        if (value == null) {
            value = super.getUrl();
        }
        if (value != null) {
            return facesContext.getApplication().getViewHandler().getResourceURL(facesContext, value);
        } else {
            return "";
        }
    }
}