通过httpClient实现google翻译

通过httpClient实现google翻译

google翻译   各国简写表
https://developers.google.com/translate/v2/using_rest    

1. [代码]maven依赖     

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<dependency>

    <groupId>org.apache.httpcomponents</groupId>

    <artifactId>httpcore</artifactId>

    <version>4.2.1</version>

</dependency>

<dependency>

    <groupId>org.apache.httpcomponents</groupId>

    <artifactId>httpclient</artifactId>

    <version>4.2.1</version>

</dependency>

<dependency>

    <groupId>log4j</groupId>

    <artifactId>log4j</artifactId>

    <version>1.2.17</version>

</dependency>

2. [代码]翻译工具类     

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publicclass TranslateUtil {

 

    privatestatic Log logger = LogFactory.getLog(TranslateUtil.class);

 

    privatestatic final String URL_TEMPLATE = "http://translate.google.cn/translate_a/single?client=t";

    privatestatic final String ENCODING = "UTF-8";

 

    privateDefaultHttpClient client;

 

    privatestatic TranslateUtil translateUtil = newTranslateUtil();

 

    privateTranslateUtil() {

        client = ConnectionManager.getHttpClient();

    }

 

    publicstatic TranslateUtil getInstance() {

        returntranslateUtil;

    }

 

    /**

     * google翻译(文本自动识别)

     *

     * @param text

     *            要翻译的文本

     * @param target_lang

     *            目标语言

     * @return

     * @throws Exception

     */

    publicString translate(finalString text, finalString target_lang) {

        returntranslate(text, Language.AUTO.getValue(), target_lang);

    }

 

    /**

     * 中午转为英文

     *

     * @param text

     * @return

     */

    publicString cn2en(finalString text) {

        returntranslate(text, Language.CHINA.getValue(),

                Language.ENGLISH.getValue());

    }

 

    /**

     * 英文转中文

     *

     * @param text

     * @return

     */

    publicString en2cn(finalString text) {

        returntranslate(text, Language.ENGLISH.getValue(),

                Language.CHINA.getValue());

    }

 

    /**

     * google翻译

     *

     * @param text

     *            要翻译的文本

     * @param src_lang

     *            源文本语言

     * @param target_lang

     *            目标语言

     * @return

     * @throws Exception

     */

    publicString translate(finalString text, finalString src_lang,

            finalString target_lang) {

        String result = null;

        try{

            String url = URL_TEMPLATE

                    +"&sl="

                    + src_lang

                    +"&tl="

                    + target_lang

                    +"&hl="

                    + src_lang

                    +"&dt=bd&dt=ex&dt=ld&dt=md&dt=qc&dt=rw&dt=rm&dt=ss&dt=t&dt=at&dt=sw&ie="

                    + ENCODING + "&oe="+ ENCODING

                    +"&prev=btn&ssel=0&tsel=0&q="

                    + URLEncoder.encode(text, ENCODING);

 

            HttpGet get = newHttpGet(url);

            HttpResponse response = client.execute(get);

            String allInfo = EntityUtils.toString(response.getEntity());

            String resultArray[] = allInfo.split("]]")[0].split("]");

            for(inti = 0; i < resultArray.length - 1; i++) {

                resultBuffer.append(resultArray[i].split("\"")[1]);

            }

            result = resultBuffer.toString();

            result = result.replace("\\n","\r\n");

        }catch(Exception e) {

            logger.error(e);

        }

        returnresult;

    }

}

3. [代码]httpclient管理类     

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publicclass ConnectionManager {

    /** 连接超时时间 */

    staticfinal int TIMEOUT = 30000;

    /** 数据传输超时 */

    staticfinal int SO_TIMEOUT = 30000;

 

    staticString UA = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1"

            +" (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1";

 

    privateConnectionManager() {

 

    }

 

    publicstatic DefaultHttpClient getHttpClient() {

        SchemeRegistry schemeRegistry = newSchemeRegistry();

        schemeRegistry.register(newScheme("http",80, PlainSocketFactory

                .getSocketFactory()));

        schemeRegistry.register(newScheme("https",443, SSLSocketFactory

                .getSocketFactory()));

 

        PoolingClientConnectionManager cm = newPoolingClientConnectionManager(

                schemeRegistry);

        cm.setMaxTotal(500);

        cm.setDefaultMaxPerRoute(200);

 

        HttpParams params = newBasicHttpParams();

        params.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, TIMEOUT);

        params.setParameter(CoreConnectionPNames.SO_TIMEOUT, SO_TIMEOUT);

        params.setParameter(CoreProtocolPNames.USER_AGENT, UA);

 

        DefaultHttpClient client = newDefaultHttpClient(cm, params);

        returnclient;

    }

}

4. [代码]语言枚举     

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publicenum Language {

 

    AUTO("自动","auto"),//

    TAIWAN("台湾","zh-TW"),//

    CHINA("中文","zh-CN"),//

    ENGLISH("英语","en"),//

    JAPAN("日文","ja");//

 

    privateString name;

    privateString value;

 

    privateLanguage(String name, String value) {

        this.name = name;

        this.value = value;

    }

 

    publicString getName() {

        returnname;

    }

 

    publicvoid setName(String name) {

        this.name = name;

    }

 

    publicString getValue() {

        returnvalue;

    }

 

    publicvoid setValue(String value) {

        this.value = value;

    }

 

}

5. [代码]测试类     跳至 [1] [2] [3] [4] [5] [全屏预览]

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publicclass Test {

 

    publicstatic void main(String[] args) throwsException {

        System.out.println(TranslateUtil.getInstance().translate("你的名字叫什么",

                Language.CHINA.getValue(), Language.ENGLISH.getValue()));

    }

}