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    • io.servicecomb.swagger.invocation.response.Headers Maven / Gradle / Ivy

    /*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * 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 io.servicecomb.swagger.invocation.response;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Headers {
    private Map> headerMap;

    public Map> getHeaderMap() {
        return headerMap;
    }

    public void setHeaderMap(Map> headerMap) {
        this.headerMap = headerMap;
    }

    public Object getFirst(String name) {
        if (headerMap == null) {
            return null;
        }

        List values = headerMap.get(name);
        if (values == null || values.isEmpty()) {
            return null;
        }

        return values.get(0);
    }

    public List getHeader(String name) {
        if (headerMap == null) {
            return null;
        }

        return headerMap.get(name);
    }

    public Headers addHeader(String name, Object value) {
        if (headerMap == null) {
            headerMap = new HashMap<>();
        }

        List values = headerMap.get(name);
        if (values == null) {
            values = new ArrayList<>();
            headerMap.put(name, values);
        }
        values.add(value);

        return this;
    }
}
    
    
    
    

    




    
    
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