com.paypal.http.Headers Maven / Gradle / Ivy

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This is Paypal's generic http library for generated SDKs

There is a newer version: 2.0.0

package com.paypal.http;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class Headers implements Iterable {

	public static final String CONTENT_TYPE = "content-type";
	public static final String AUTHORIZATION = "authorization";
	public static final String USER_AGENT = "user-agent";
	public static final String ACCEPT_ENCODING = "accept-encoding";

	@Override
	public Iterator iterator() {
		return mHeaders.keySet().iterator();
	}

	protected Map mHeaders = new HashMap();
	private Map keyMapping = new HashMap();


	public Headers header(String header, String value) {
		mHeaders.put(header, value);
		keyMapping.put(header!=null? header.toLowerCase(): null,header);
		return this;
	}

	public Headers headerIfNotPresent(String key, String value) {
		if (header(key) == null) {
			return header(key, value);
		}
		return this;
	}

	public Headers remove(String key) {
		mHeaders.remove(key);
		keyMapping.remove(key.toLowerCase());
		return this;
	}

	public String header(String key) {
		String caseKey = keyMapping.get(key.toLowerCase());
		if(caseKey!= null){
			return mHeaders.get(caseKey);
		}else {
			return null;
		}

	}
}