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Ahome Tooling Server REST

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/*
 * Copyright (c) 2014,2015,2016 Ahome' Innovation Technologies. All rights reserved.
 *
 * 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 com.ait.tooling.server.rest.support.spring;

import java.util.List;
import java.util.Objects;

import com.ait.tooling.common.api.java.util.StringOps;
import com.ait.tooling.server.core.support.spring.ServerContextInstance;
import com.ait.tooling.server.rest.IRESTService;

public class RESTContextInstance extends ServerContextInstance implements IRESTContext
{
    private static final RESTContextInstance INSTANCE = new RESTContextInstance();

    public static final RESTContextInstance getRESTContextInstance()
    {
        return INSTANCE;
    }

    protected RESTContextInstance()
    {
    }

    @Override
    public IServiceRegistry getServiceRegistry()
    {
        return Objects.requireNonNull(getBeanSafely("RESTServiceRegistry", IServiceRegistry.class), "RESTServiceRegistry is null, initialization error.");
    }

    @Override
    public IRESTService getService(final String name)
    {
        return getServiceRegistry().getService(Objects.requireNonNull(name));
    }

    @Override
    public IRESTService getBinding(final String bind)
    {
        return getServiceRegistry().getBinding(Objects.requireNonNull(bind));
    }

    @Override
    public String fixRequestBinding(String bind)
    {
        bind = StringOps.toTrimOrNull(bind);

        if (null != bind)
        {
            String temp = bind.replaceAll("//", "/").replaceAll("\\s", "");

            while (false == temp.equals(bind))
            {
                bind = temp;

                temp = bind.replaceAll("//", "/");
            }
            if (false == bind.startsWith("/"))
            {
                bind = "/" + bind;
            }
            if (bind.endsWith("/"))
            {
                bind = bind.substring(0, bind.length() - 1);
            }
            if (bind.endsWith(".rpc"))
            {
                bind = bind.substring(0, bind.length() - 4);
            }
            bind = StringOps.toTrimOrNull(bind);
        }
        return bind;
    }

    @Override
    public List getServices()
    {
        return getServiceRegistry().getServices();
    }
}