guru.qas.martini.tag.CategoryExecutor.java Source code

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Here is the source code for guru.qas.martini.tag.CategoryExecutor.java

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/*
Copyright 2017 Penny Rohr Curich
    
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 guru.qas.martini.tag;

import java.util.Collection;
import java.util.Iterator;

import org.springframework.expression.AccessException;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.MethodExecutor;
import org.springframework.expression.TypedValue;

import guru.qas.martini.Martini;

@SuppressWarnings("WeakerAccess")
class CategoryExecutor implements MethodExecutor {

    protected final Categories categories;

    CategoryExecutor(Categories categories) {
        this.categories = categories;
    }

    @Override
    public TypedValue execute(EvaluationContext context, Object target, Object... arguments)
            throws AccessException {

        Martini martini = Martini.class.cast(target);
        String category = null == arguments ? null : String.class.cast(arguments[0]);
        return execute(martini, category);
    }

    public TypedValue execute(Martini martini, String category) {
        Collection<MartiniTag> tags = martini.getTags();

        boolean evaluation = false;
        for (Iterator<MartiniTag> i = tags.iterator(); !evaluation && i.hasNext();) {
            MartiniTag tag = i.next();
            evaluation = categories.isMatch(category, tag);
        }
        return new TypedValue(evaluation);
    }
}