com.github.kpavlov.commons.spring.annotations.BooleanValueCondition.java Source code

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Here is the source code for com.github.kpavlov.commons.spring.annotations.BooleanValueCondition.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014 Konstantin Pavlov
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.github.kpavlov.commons.spring.annotations;

import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotatedTypeMetadata;

import java.util.Map;

public class BooleanValueCondition implements Condition {

    @Override
    public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
        final Environment environment = context.getEnvironment();
        if (environment != null) {
            Map<String, Object> attributes = metadata.getAnnotationAttributes(Enabled.class.getName());
            if (attributes != null) {
                String expression = (String) attributes.get("value");
                final String value = environment.resolvePlaceholders(expression);
                return (Boolean.parseBoolean(value));
            }
        }
        return true;
    }
}