/*
* #%L
* gitools-core
* %%
* Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
package org.gitools.matrix.filter;
import com.google.common.base.Function;
import org.gitools.api.matrix.IAnnotations;
import org.gitools.utils.textpattern.TextPattern;
public class PatternFunction implements Function<String, String>, TextPattern.VariableValueResolver {
private IAnnotations annotations;
private TextPattern pattern;
private ThreadLocal<String> currentIdentifier;
public PatternFunction(String pattern, IAnnotations annotations) {
this.pattern = (pattern == null ? null : new TextPattern(pattern));
this.annotations = annotations;
this.currentIdentifier = new ThreadLocal<>();
}
@Override
public String resolveValue(String variableName) {
if (variableName.equalsIgnoreCase("id")) {
return currentIdentifier.get();
}
String annotation = null;
if (annotations != null) {
annotation = annotations.getAnnotation(currentIdentifier.get(), variableName);
}
if (annotation == null) {
return "";
}
return annotation;
}
@Override
public String apply(String input) {
if (input == null) {
return null;
}
if (pattern == null) {
return input;
}
currentIdentifier.set(input);
return pattern.generate(this);
}
public TextPattern getPattern() {
return pattern;
}
}