com.boyuanitsm.pay.alipay.util.AlipayCore.java Source code

Introduction

Here is the source code for com.boyuanitsm.pay.alipay.util.AlipayCore.java

Source

/*
 * Copyright 2016-2017 Shanghai Boyuan IT Services 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 com.boyuanitsm.pay.alipay.util;

import com.boyuanitsm.pay.alipay.config.AlipayConfig;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.httpclient.methods.multipart.FilePartSource;
import org.apache.commons.httpclient.methods.multipart.PartSource;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.*;

/* *
 *??AlipayFunction
 *??
 *????
 *3.3
 *2012-08-14
 *
 *????????,???
 *???????
 */

public class AlipayCore {

    /** 
     * ???
     * @param sArray ???
     * @return ???????
     */
    public static Map<String, String> paraFilter(Map<String, String> sArray) {

        Map<String, String> result = new HashMap<String, String>();

        if (sArray == null || sArray.size() <= 0) {
            return result;
        }

        for (String key : sArray.keySet()) {
            String value = sArray.get(key);
            if (value == null || value.equals("") || key.equalsIgnoreCase("sign")
                    || key.equalsIgnoreCase("sign_type")) {
                continue;
            }
            result.put(key, value);
        }

        return result;
    }

    /** 
     * ??=???&??
     * @param params ????
     * @return ?
     */
    public static String createLinkString(Map<String, String> params) {

        List<String> keys = new ArrayList<String>(params.keySet());
        Collections.sort(keys);

        String prestr = "";

        for (int i = 0; i < keys.size(); i++) {
            String key = keys.get(i);
            String value = params.get(key);

            if (i == keys.size() - 1) {//??&
                prestr = prestr + key + "=" + value;
            } else {
                prestr = prestr + key + "=" + value + "&";
            }
        }

        return prestr;
    }

    /** 
     * ???
     * @param sWord ?
     */
    public static void logResult(String sWord) {
        FileWriter writer = null;
        try {
            writer = new FileWriter(AlipayConfig.log_path + "alipay_log_" + System.currentTimeMillis() + ".txt");
            writer.write(sWord);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    /** 
     * ??
     * @param strFilePath 
     * @param file_digest_type ?
     * @return ?
     */
    public static String getAbstract(String strFilePath, String file_digest_type) throws IOException {
        PartSource file = new FilePartSource(new File(strFilePath));
        if (file_digest_type.equals("MD5")) {
            return DigestUtils.md5Hex(file.createInputStream());
        } else if (file_digest_type.equals("SHA")) {
            return DigestUtils.sha256Hex(file.createInputStream());
        } else {
            return "";
        }
    }
}