com.dtstack.jlogstash.factory.InputFactory.java Source code

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Here is the source code for com.dtstack.jlogstash.factory.InputFactory.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.dtstack.jlogstash.factory;

import java.lang.reflect.Constructor;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import com.dtstack.jlogstash.assembly.qlist.InputQueueList;
import com.dtstack.jlogstash.inputs.BaseInput;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

/**
 * 
 * Reason: TODO ADD REASON(?)
 * Date: 2016831 ?1:26:28
 * Company: www.dtstack.com
 * @author sishu.yss
 *
 */
public class InputFactory extends InstanceFactory {

    private final static String PLUGINTYPE = "input";

    @SuppressWarnings("rawtypes")
    private static BaseInput getInstance(String inputType, Map inputConfig, Class<?> inputClass) throws Exception {
        configInstance(inputClass, inputConfig);//static field
        Constructor<?> ctor = inputClass.getConstructor(Map.class);
        BaseInput inputInstance = (BaseInput) ctor.newInstance(inputConfig);
        configInstance(inputInstance, inputConfig);//?static field
        inputInstance.prepare();
        return inputInstance;
    }

    @SuppressWarnings({ "rawtypes", "unchecked" })
    public static List<BaseInput> getBatchInstance(List<Map> inputs, InputQueueList inputQueueList)
            throws Exception {
        BaseInput.setInputQueueList(inputQueueList);
        List<BaseInput> baseinputs = Lists.newArrayList();
        for (Map input : inputs) {
            Iterator<Entry<String, Map>> inputIT = input.entrySet().iterator();
            while (inputIT.hasNext()) {
                Map.Entry<String, Map> inputEntry = inputIT.next();
                String inputType = inputEntry.getKey();
                Map inputConfig = inputEntry.getValue();
                if (inputConfig == null)
                    inputConfig = Maps.newLinkedHashMap();
                Class<?> inputClass = getPluginClass(inputType, PLUGINTYPE, getClassName(inputType, PLUGINTYPE));
                BaseInput baseInput = getInstance(inputType, inputConfig, inputClass);
                baseinputs.add(baseInput);
            }
        }
        return baseinputs;
    }
}