/*
* This file is part of the Wayback archival access software
* (http://archive-access.sourceforge.net/projects/wayback/).
*
* Licensed to the Internet Archive (IA) by one or more individual
* contributors.
*
* The IA 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.
*/
package org.archive.wayback.resourceindex.filters;
import org.archive.wayback.core.CaptureSearchResult;
import org.archive.wayback.util.ObjectFilter;
import bsh.EvalError;
import bsh.Interpreter;
public class BeanShellFilter implements ObjectFilter<CaptureSearchResult> {
private String expression = null;
private String method = null;
private String scriptPath = null;
@SuppressWarnings("unchecked")
private final ThreadLocal tl = new ThreadLocal() {
protected synchronized Object initialValue() {
return new Interpreter();
}
};
private Interpreter getInterpreter() {
Interpreter i = (Interpreter) tl.get();
if(method != null) {
}
return i;
}
public BeanShellFilter() {
}
public int filterObject(CaptureSearchResult o) {
int result = FILTER_EXCLUDE;
try {
boolean bResult = false;
Interpreter interpreter = getInterpreter();
interpreter.set("result", o);
if(expression != null) {
bResult = (Boolean) interpreter.eval(expression);
} else if(method != null) {
bResult = (Boolean) interpreter.eval("matches(result)");
} else if(scriptPath != null) {
bResult = (Boolean) interpreter.eval("matches(result)");
}
if(bResult) {
result = FILTER_INCLUDE;
}
} catch (EvalError e) {
e.printStackTrace();
}
return result;
}
public String getExpression() {
return expression;
}
public void setExpression(String expression) {
this.expression = expression;
}
public String getMethod() {
return method;
}
public void setMethod(String method) {
this.method = method;
}
public String getScriptPath() {
return scriptPath;
}
public void setScriptPath(String scriptPath) {
this.scriptPath = scriptPath;
}
}