org.primefaces.component.export.DataExporterTagHandler Maven / Gradle / Ivy
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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* The MIT License
*
* Copyright (c) 2009-2019 PrimeTek
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.component.export;
import java.io.IOException;
import javax.el.ELException;
import javax.el.MethodExpression;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.component.ActionSource;
import javax.faces.component.UIComponent;
import javax.faces.view.facelets.*;
public class DataExporterTagHandler extends TagHandler {
private final TagAttribute target;
private final TagAttribute type;
private final TagAttribute fileName;
private final TagAttribute pageOnly;
private final TagAttribute selectionOnly;
private final TagAttribute preProcessor;
private final TagAttribute postProcessor;
private final TagAttribute encoding;
private final TagAttribute repeat;
private final TagAttribute options;
private final TagAttribute onTableRender;
private final TagAttribute customExporter;
public DataExporterTagHandler(TagConfig tagConfig) {
super(tagConfig);
target = getRequiredAttribute("target");
type = getRequiredAttribute("type");
fileName = getRequiredAttribute("fileName");
pageOnly = getAttribute("pageOnly");
selectionOnly = getAttribute("selectionOnly");
encoding = getAttribute("encoding");
preProcessor = getAttribute("preProcessor");
postProcessor = getAttribute("postProcessor");
repeat = getAttribute("repeat");
options = getAttribute("options");
onTableRender = getAttribute("onTableRender");
customExporter = getAttribute("customExporter");
}
@Override
public void apply(FaceletContext faceletContext, UIComponent parent) throws IOException, FacesException, FaceletException, ELException {
if (ComponentHandler.isNew(parent)) {
ValueExpression targetVE = target.getValueExpression(faceletContext, Object.class);
ValueExpression typeVE = type.getValueExpression(faceletContext, Object.class);
ValueExpression fileNameVE = fileName.getValueExpression(faceletContext, Object.class);
ValueExpression pageOnlyVE = null;
ValueExpression selectionOnlyVE = null;
ValueExpression encodingVE = null;
MethodExpression preProcessorME = null;
MethodExpression postProcessorME = null;
ValueExpression repeatVE = null;
ValueExpression optionsVE = null;
MethodExpression onTableRenderME = null;
ValueExpression customExporterVE = null;
if (encoding != null) {
encodingVE = encoding.getValueExpression(faceletContext, Object.class);
}
if (pageOnly != null) {
pageOnlyVE = pageOnly.getValueExpression(faceletContext, Object.class);
}
if (selectionOnly != null) {
selectionOnlyVE = selectionOnly.getValueExpression(faceletContext, Object.class);
}
if (preProcessor != null) {
preProcessorME = preProcessor.getMethodExpression(faceletContext, null, new Class[]{Object.class});
}
if (postProcessor != null) {
postProcessorME = postProcessor.getMethodExpression(faceletContext, null, new Class[]{Object.class});
}
if (repeat != null) {
repeatVE = repeat.getValueExpression(faceletContext, Object.class);
}
if (options != null) {
optionsVE = options.getValueExpression(faceletContext, Object.class);
}
if (onTableRender != null) {
onTableRenderME = onTableRender.getMethodExpression(faceletContext, null, new Class[]{Object.class, Object.class});
}
if (customExporter != null) {
customExporterVE = customExporter.getValueExpression(faceletContext, Object.class);
}
ActionSource actionSource = (ActionSource) parent;
DataExporter dataExporter = new DataExporter(targetVE, typeVE, fileNameVE, pageOnlyVE, selectionOnlyVE,
encodingVE, preProcessorME, postProcessorME, optionsVE, onTableRenderME);
dataExporter.setRepeat(repeatVE);
dataExporter.setCustomExporter(customExporterVE);
actionSource.addActionListener(dataExporter);
}
}
}