evalBI.java
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freemarker.core.builtins |
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FreeMarker |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
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/*
* Copyright (c) 2007 The Visigoth Software Society. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Visigoth Software Society (http://www.visigoths.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
* project contributors may be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact visigoths@visigoths.org.
*
* 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
* nor may "FreeMarker" or "Visigoth" appear in their names
* without prior written permission of the Visigoth Software Society.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Visigoth Software Society. For more
* information on the Visigoth Software Society, please see
* http://www.visigoths.org/
*/
package freemarker.core.builtins;
import java.io.StringReader;
import freemarker.core.Environment;
import freemarker.core.ast.BuiltInExpression;
import freemarker.core.ast.Expression;
import freemarker.core.parser.FMParser;
import freemarker.core.parser.FMParserConstants;
import freemarker.core.parser.FMParserTokenManager;
import freemarker.core.parser.ParseException;
import freemarker.core.parser.SimpleCharStream;
import freemarker.template.*;
/**
* Implementation of ?eval built-in
*/
public class evalBI extends BuiltIn {
public TemplateModel get(TemplateModel target, String builtInName, Environment env, BuiltInExpression callingExpression) throws TemplateException {
try {
String evalString = ((TemplateScalarModel) target).getAsString();
return eval(evalString, env, callingExpression);
} catch (ClassCastException cce) {
throw new TemplateModelException("Expecting string on left of ?eval built-in");
} catch (NullPointerException npe) {
throw new TemplateModelException(npe);
}
}
TemplateModel eval(String s, Environment env, BuiltInExpression callingExpression) throws TemplateException
{
SimpleCharStream scs = new SimpleCharStream(
new StringReader("(" + s + ")"), callingExpression.getBeginLine(),
callingExpression.getBeginColumn(), s.length() + 2);
FMParserTokenManager token_source = new FMParserTokenManager(scs);
token_source.SwitchTo(FMParserConstants.EXPRESSION);
FMParser parser = new FMParser(token_source);
parser.setTemplate(callingExpression.getTemplate());
Expression exp = null;
try {
exp = parser.Exp();
} catch (ParseException pe) {
pe.setTemplateName(callingExpression.getTemplate().getName());
throw new TemplateException(pe, env);
}
return exp.getAsTemplateModel(env);
}
}
The table below shows all metrics for evalBI.java.
| Metric | Value | Description | |
|---|---|---|---|