package org.apache.myfaces.tobago.example.reference;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
import org.apache.myfaces.tobago.internal.taglib.ButtonTag;
import org.apache.myfaces.tobago.internal.taglib.LinkTag;
import org.apache.myfaces.tobago.internal.taglib.extension.InExtensionTag;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.el.ValueExpression;
import javax.faces.context.FacesContext;
import javax.servlet.jsp.tagext.TagSupport;
import java.util.ArrayList;
import java.util.List;
public class DynamicController {
private static final Logger LOG = LoggerFactory.getLogger(DynamicController.class);
private List<TagData> tags;
private List<AttributeData> attributes;
public DynamicController() {
tags = new ArrayList<TagData>();
TagData in = new TagData(InExtensionTag.class);
in.setName("In");
in.setTip("Ein In");
tags.add(in);
TagData button = new TagData(ButtonTag.class);
button.setName("Button");
button.setTip("Ein Knopf");
tags.add(button);
TagData link = new TagData(LinkTag.class);
link.setName("Link");
link.setTip("Ein Link");
tags.add(link);
attributes = new ArrayList<AttributeData>();
}
public TagSupport createTag() {
try {
Class clazz = tags.get(0).getTagClass();
InExtensionTag tag = (InExtensionTag) clazz.newInstance();
tag.setValue(createStringValueExpression("Hallo Tester"));
tag.setLabel(createStringValueExpression("Label"));
return tag;
} catch (Exception e) {
LOG.error("", e); // fixme
throw new RuntimeException(e);
}
}
protected ValueExpression createStringValueExpression(String expression) {
FacesContext facesContext = FacesContext.getCurrentInstance();
ValueExpression value = facesContext.getApplication().getExpressionFactory().
createValueExpression(facesContext.getELContext(), expression, String.class);
return value;
}
public List<TagData> getTags() {
return tags;
}
public List<AttributeData> getAttributes() {
return attributes;
}
}