我正在尝试使用 bing-search-java-api 的 NewsSample.java 返回某个搜索词的热门新闻结果。
public class NewsSample {
private static final String APPLICATION_KEY_OPTION = "47662CD8468093923CEC71C4EFA8342775BC589G";
/** The Constant QUERY_OPTION. */
private static final String QUERY_OPTION = "google";
/** The Constant HELP_OPTION. */
private static final String HELP_OPTION = "help";
/**
* The main method.
*
* @param args the arguments
*/
public static void main(String[] args) {
Options options = buildOptions();
try {
CommandLine line = new BasicParser().parse(options, args);
processCommandLine(line, options);
} catch(ParseException exp ) {
System.err.println(exp.getMessage());
printHelp(options);
}
}
/**
* Process command line.
*
* @param line the line
* @param options the options
*/
private static void processCommandLine(CommandLine line, Options options) {
if(line.hasOption(HELP_OPTION)) {
printHelp(options);
} else if(line.hasOption(APPLICATION_KEY_OPTION) && line.hasOption(QUERY_OPTION)) {
BingSearchServiceClientFactory factory = BingSearchServiceClientFactory.newInstance();
BingSearchClient client = factory.createBingSearchClient();
SearchResponse response = client.search(createSearchRequest(client, line.getOptionValue(APPLICATION_KEY_OPTION), line.getOptionValue(QUERY_OPTION)));
printResponse(response);
} else {
printHelp(options);
}
}
/**
* Builds the options.
*
* @return the options
*/
private static Options buildOptions() {
Options opts = new Options();
String helpMsg = "Print this message.";
Option help = new Option(HELP_OPTION, helpMsg);
opts.addOption(help);
String applicationKeyMsg = "You Application ID.";
OptionBuilder.withArgName("appid");
OptionBuilder.hasArg();
OptionBuilder.withDescription(applicationKeyMsg);
Option applicationKey = OptionBuilder.create(APPLICATION_KEY_OPTION);
opts.addOption(applicationKey);
String queryMsg = "Search Query.";
OptionBuilder.withArgName("query");
OptionBuilder.hasArg();
OptionBuilder.withDescription(queryMsg);
Option query = OptionBuilder.create(QUERY_OPTION);
opts.addOption(query);
return opts;
}
/**
* Prints the help.
*
* @param options the options
*/
private static void printHelp(Options options) {
int width = 80;
String syntax = NewsSample.class.getName() + " <options>";
String header = MessageFormat.format("\nThe -{0} and -{1} options are required. All others are optional.", APPLICATION_KEY_OPTION, QUERY_OPTION);
String footer = "";
new HelpFormatter().printHelp(width, syntax, header, options, footer, false);
}
/**
* Prints the response.
*
* @param response the response
*/
private static void printResponse(SearchResponse response) {
System.out.println("Bing API Version " + response.getVersion());
System.out.println("News results for " + response.getQuery().getSearchTerms());
for (NewsResult result : response.getNews().getResults()) {
System.out.println(result.getTitle());
System.out.println(result.getUrl());
System.out.println(result.getSource());
System.out.println(result.getDate());
System.out.println(result.getSnippet());
System.out.println();
}
}
/**
* Creates the search request.
*
* @param client the client
* @param applicationId the application id
* @param query the query
*
* @return the search request
*/
private static SearchRequest createSearchRequest(BingSearchClient client, String applicationId, String query) {
SearchRequestBuilder builder = client.newSearchRequestBuilder();
builder.withAppId(applicationId);
builder.withQuery(query);
builder.withSourceType(SourceType.NEWS);
builder.withVersion("2.0");
builder.withMarket("en-us");
builder.withSearchOption(SearchOption.ENABLE_HIGHLIGHTING);
builder.withNewsRequestOffset(0L);
builder.withNewsRequestCategory("rt_Political");
builder.withNewsRequestSortOption(NewsSortOption.RELEVANCE);
return builder.getResult();
}
}
然而，我得到的唯一回应是......
usage: com.Bing.WebSample <options>
The -47662CD8468093923CEC71C4EFA8342775BC589G and -google options are required.
All others are optional.
-47662CD8468093923CEC71C4EFA8342775BC589G <appid> You Application ID.
-google <query> Search Query.
-help
有没有人使用过知道如何获得实际响应的 Bing Search API？谢谢。