package com.google.sitebricks.rendering.control;
import com.google.sitebricks.Renderable;
import com.google.sitebricks.Respond;
import com.google.sitebricks.compiler.EvaluatorCompiler;
import com.google.sitebricks.compiler.ExpressionCompileException;
import com.google.sitebricks.compiler.Token;
import com.google.sitebricks.rendering.SelfRendering;
import net.jcip.annotations.ThreadSafe;
import java.util.Collections;
import java.util.List;
import java.util.Set;
/**
* @author Dhanji R. Prasanna (dhanji@gmail.com)
*/
@ThreadSafe @SelfRendering
class TextWidget implements Renderable {
private final List<Token> tokenizedTemplate; //TODO store some metrics to allocate buffers later
TextWidget(String template, EvaluatorCompiler compiler) throws ExpressionCompileException {
//compile token stream
tokenizedTemplate = compiler.tokenizeAndCompile(template);
}
public void render(Object bound, Respond respond) {
//render template from tokens
StringBuilder builder = new StringBuilder();
for (Token token : tokenizedTemplate) {
builder.append(token.render(bound));
}
respond.write(builder.toString());
}
public <T extends Renderable> Set<T> collect(Class<T> clazz) {
return Collections.emptySet();
}
}