/*
* Copyright 2004, 2005, 2006 Odysseus Software GmbH
*
* 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 de.odysseus.calyxo.forms.conf.impl;
import javax.servlet.jsp.el.Expression;
import javax.servlet.jsp.el.ExpressionEvaluator;
import de.odysseus.calyxo.base.ModuleContext;
import de.odysseus.calyxo.base.conf.ConfigException;
import de.odysseus.calyxo.base.conf.impl.ConfigImpl;
import de.odysseus.calyxo.forms.conf.AssertConfig;
import de.odysseus.calyxo.forms.conf.MessageConfig;
/**
* Assert configuration implementation.
*
* @author Christoph Beck
* @author Oliver Stuhr
*/
public class AssertConfigImpl extends ConfigImpl implements AssertConfig {
private String test;
private MessageConfigImpl message;
private Expression expression;
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_getElementName()
*/
protected String _getElementName() {
return "assert";
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_addChildren(de.odysseus.calyxo.base.conf.impl.ConfigImpl.Elements)
*/
protected void _addChildren(Elements list) {
super._addChildren(list);
list.add(getMessageConfig());
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_putAttributes(de.odysseus.calyxo.base.conf.impl.ConfigImpl.Attributes)
*/
protected void _putAttributes(Attributes map) {
super._putAttributes(map);
map.put("test", test);
}
/**
* Answer array <code>{ "test" }</code>.
* @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_getDynamicAttributes()
*/
protected String[] _getDynamicAttributes() {
return new String[]{ "test" };
}
/**
* Validate expression.
* @see de.odysseus.calyxo.base.conf.impl.ConfigImpl#_evaluate(de.odysseus.calyxo.base.ModuleContext)
*/
protected void _evaluate(ModuleContext context) throws ConfigException {
super._evaluate(context);
ExpressionEvaluator evaluator = context.getExpressionEvaluator();
StringBuffer s = new StringBuffer();
s.append("${");
s.append(test);
s.append("}");
try {
expression = evaluator.parseExpression(s.toString(), Boolean.class, this);
} catch (Exception e) {
throw new ConfigException("Parse error in '" + test + "'", e);
}
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.forms.conf.AssertConfig#getTest()
*/
public String getTest() {
return test;
}
/**
* Set test expression
*/
public void setTest(String string) {
test = string;
}
/*
* (non-Javadoc)
* @see de.odysseus.calyxo.forms.conf.AssertConfig#getMessageConfig()
*/
public MessageConfig getMessageConfig() {
return message;
}
/**
* Set message element
*/
public void setMessageConfig(MessageConfigImpl impl) {
message = impl;
}
/* (non-Javadoc)
* @see de.odysseus.calyxo.forms.conf.AssertConfig#getParsedExpression()
*/
public Expression getParsedExpression() {
return expression;
}
}