Package org.apache.beehive.netui.databinding.datagrid.runtime.rendering.cell

Source Code of org.apache.beehive.netui.databinding.datagrid.runtime.rendering.cell.AnchorCellDecorator

/*
* Copyright 2004 The Apache Software Foundation.
*
* 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.
*
* $Header:$
*/
package org.apache.beehive.netui.databinding.datagrid.runtime.rendering.cell;

import java.net.URISyntaxException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspContext;

import org.apache.beehive.netui.databinding.datagrid.api.rendering.DataGridTagModel;
import org.apache.beehive.netui.databinding.datagrid.runtime.model.cell.AnchorCellModel;
import org.apache.beehive.netui.databinding.datagrid.api.rendering.CellModel;
import org.apache.beehive.netui.databinding.datagrid.runtime.util.JspUtil;
import org.apache.beehive.netui.databinding.datagrid.api.exceptions.CellDecoratorException;
import org.apache.beehive.netui.databinding.datagrid.api.rendering.CellDecorator;
import org.apache.beehive.netui.tags.rendering.AbstractRenderAppender;
import org.apache.beehive.netui.tags.rendering.SpanTag;
import org.apache.beehive.netui.tags.rendering.AnchorTag;
import org.apache.beehive.netui.tags.rendering.TagRenderingBase;
import org.apache.beehive.netui.util.logging.Logger;
import org.apache.beehive.netui.util.Bundle;

/**
*
*/
public final class AnchorCellDecorator
    extends CellDecorator {

    private static final Logger LOGGER = Logger.getInstance(AnchorCellDecorator.class);

    public void decorate(JspContext jspContext, AbstractRenderAppender appender, CellModel columnModel)
            throws CellDecoratorException {

        assert columnModel instanceof AnchorCellModel;

        AnchorCellModel anchorCellModel = (AnchorCellModel)columnModel;
        HttpServletRequest request = JspUtil.getRequest(jspContext);

        SpanTag.State spanState = new SpanTag.State();
        AnchorTag.State anchorState = anchorCellModel.getAnchorState();

        DataGridTagModel dgm = columnModel.getDataGridTagModel();
        assert dgm != null;

        String url = null;
        try {
            url = JspUtil.createURL(anchorCellModel.getHref(),
                    anchorCellModel.getAction(),
                    null,
                    anchorCellModel.getScopeId(),
                    anchorCellModel.getParams(),
                    jspContext);
        }
        catch(URISyntaxException use) {
            String message = Bundle.getErrorString("Rendering_URLException", new Object[]{anchorCellModel.getHref(), anchorCellModel.getAction()});
            LOGGER.error(message, use);
            throw new CellDecoratorException(message, use);
        }

        anchorState.href = url;

        TagRenderingBase anchorTag = TagRenderingBase.Factory.getRendering(TagRenderingBase.ANCHOR_TAG, request);
        TagRenderingBase spanTag = TagRenderingBase.Factory.getRendering(TagRenderingBase.SPAN_TAG, request);

        anchorTag.doStartTag(appender, anchorState);
        spanTag.doStartTag(appender, spanState);

        if(anchorCellModel.getValue() != null)
            appender.append(anchorCellModel.getValue().toString());

        spanTag.doEndTag(appender);
        anchorTag.doEndTag(appender);

        String javascript = anchorCellModel.getJavascript();
        if(javascript != null)
            appender.append(javascript);
    }
}
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