com.github.andyshaox.servlet.mapping.annotation.Mappings Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of GearEE Show documentation
Enhance and formating the coding of JDK
There is a newer version: 3.2.10.RELEASE
package com.github.andyshaox.servlet.mapping.annotation;

import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Map;

import com.github.andyshao.lang.StringOperation;

/**
 * 
 * Title:

 * Descript:

 * Copyright: Copryright(c) Dec 27, 2015

 * Encoding:UNIX UTF-8
 * 
 * @author Andy.Shao
 *
 */
public final class Mappings {
    private static final String[] EMPTY_STR_ARRAY = new String[] { "" };
    private static final String VALUE_SPLIT = "=";

    public static final boolean constain(Class clazz) {
        return clazz.getAnnotation(Mapping.class) != null;
    }

    public static final boolean constain(Method method) {
        return method.getAnnotation(Mapping.class) != null;
    }

    public static final com.github.andyshaox.servlet.mapping.Mapping convertByMethod(Method method) {
        Mapping mapping = method.getAnnotation(Mapping.class);
        if (mapping == null) return null;

        com.github.andyshaox.servlet.mapping.Mapping result = com.github.andyshaox.servlet.mapping.Mapping.defaultMapping();
        result.setConsumes(mapping.consumes().isEmpty() ? null : mapping.consumes());
        Mappings.format(mapping.headers() , result.getHeaders());
        result.setMethodType(Arrays.deepEquals(mapping.methodType() , Mappings.EMPTY_STR_ARRAY) ? null : mapping.methodType());
        Mappings.format(mapping.attributes() , result.getAttributes());
        result.setProduces(mapping.produces().isEmpty() ? null : mapping.produces());
        result.setUrl(mapping.value());
        result.setDefineClass(method.getDeclaringClass());
        result.setProcessMethod(method);
        result.setClass(false);
        return result;
    }

    public static final com.github.andyshaox.servlet.mapping.Mapping covertByType(Class clazz) {
        Mapping mapping = clazz.getAnnotation(Mapping.class);
        if (mapping == null) return null;

        com.github.andyshaox.servlet.mapping.Mapping result = com.github.andyshaox.servlet.mapping.Mapping.defaultMapping();
        result.setConsumes(mapping.consumes().isEmpty() ? null : mapping.consumes());
        Mappings.format(mapping.headers() , result.getHeaders());
        result.setMethodType(Arrays.deepEquals(mapping.methodType() , Mappings.EMPTY_STR_ARRAY) ? null : mapping.methodType());
        Mappings.format(mapping.attributes() , result.getAttributes());
        result.setProduces(mapping.produces().isEmpty() ? null : mapping.produces());
        result.setUrl(mapping.value().isEmpty() ? "/" + clazz.getSimpleName() : mapping.value());
        result.setDefineClass(clazz);
        result.setClass(true);
        return result;
    }

    private static final void format(String[] values , Map map) {
        if (Arrays.deepEquals(values , Mappings.EMPTY_STR_ARRAY)) return;
        for (String value : values) {
            String[] tmp = StringOperation.split(value , Mappings.VALUE_SPLIT);
            map.put(tmp[0].trim() , tmp[1].trim());
        }
    }

    private Mappings() {
        throw new AssertionError("No" + Mappings.class + " for you!");
    }
}