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| 1 | +package com.volcengine.llmshield; |
| 2 | + |
| 3 | +import com.fasterxml.jackson.databind.ObjectMapper; |
| 4 | +import org.apache.http.HttpResponse; |
| 5 | +import org.apache.http.client.HttpClient; |
| 6 | +import org.apache.http.client.methods.HttpPost; |
| 7 | +import org.apache.http.client.utils.URIBuilder; |
| 8 | +import org.apache.http.entity.StringEntity; |
| 9 | +import org.apache.http.impl.client.HttpClientBuilder; |
| 10 | +import org.apache.http.util.EntityUtils; |
| 11 | + |
| 12 | +import java.io.IOException; |
| 13 | +import java.net.URI; |
| 14 | +import java.net.URISyntaxException; |
| 15 | +import java.util.HashMap; |
| 16 | +import java.util.Map; |
| 17 | +import java.util.concurrent.TimeUnit; |
| 18 | + |
| 19 | + |
| 20 | +// 客户端类 |
| 21 | + |
| 22 | +public class ApiClient { |
| 23 | + private final String CONTENT_TYPE_HEADER = "application/json"; |
| 24 | + |
| 25 | + |
| 26 | + private final String url; |
| 27 | + private final String ak; |
| 28 | + private final String sk; |
| 29 | + private final String region; |
| 30 | + private HttpClient httpClient; |
| 31 | + |
| 32 | + private ApiClient(String url, String ak,String sk,String region, long timeout) { |
| 33 | + this.url = url; |
| 34 | + this.ak = ak; |
| 35 | + this.sk = sk; |
| 36 | + this.region = region; |
| 37 | + this.httpClient = HttpClientBuilder.create() |
| 38 | + .setConnectionTimeToLive(timeout, TimeUnit.MILLISECONDS) |
| 39 | + .build(); |
| 40 | + } |
| 41 | + |
| 42 | + /** |
| 43 | + * 创建新的客户端实例 |
| 44 | + * |
| 45 | + * @param url API 请求的基础 URL |
| 46 | + * @param ak 访问密钥 |
| 47 | + * @param sk 密钥 |
| 48 | + * @param region 区域 |
| 49 | + * @param timeout 连接超时时间(毫秒) |
| 50 | + * @return 客户端实例 |
| 51 | + */ |
| 52 | + public static ApiClient New(String url, String ak,String sk , String region, long timeout) { |
| 53 | + return new ApiClient(url, ak,sk,region, timeout); |
| 54 | + } |
| 55 | + |
| 56 | + /** |
| 57 | + * 多模态、多轮对话审核 |
| 58 | + * |
| 59 | + * @param request 审核请求对象 |
| 60 | + * @return 审核响应对象 |
| 61 | + * @throws IOException 网络请求或解析响应时发生错误 |
| 62 | + * @throws IllegalArgumentException 当传入的 request.getUseStream()为0,或 session 参数为 null 时,会抛出此异常。 |
| 63 | + */ |
| 64 | + public ModerateV2Response Moderate(ModerateV2Request request) throws Exception { |
| 65 | + if (request == null) { |
| 66 | + |
| 67 | + request = new ModerateV2Request(); |
| 68 | + } |
| 69 | + |
| 70 | + ObjectMapper objectMapper = new ObjectMapper(); |
| 71 | + objectMapper.configure(com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); |
| 72 | + String requestBody = objectMapper.writeValueAsString(request); |
| 73 | + |
| 74 | + URIBuilder uriBuilder = new URIBuilder(url +"/v2/moderate"); |
| 75 | + uriBuilder.addParameter("Action", "Moderate"); |
| 76 | + uriBuilder.addParameter("Version", "2025-08-31"); // 支持多个参数 |
| 77 | + URI uri = uriBuilder.build(); |
| 78 | + HttpPost httpPost = new HttpPost(uri); |
| 79 | + httpPost.setHeader("Content-Type", CONTENT_TYPE_HEADER); |
| 80 | + |
| 81 | + httpPost.setEntity(new StringEntity(requestBody, "UTF-8")); |
| 82 | + Sign sign = new Sign(); |
| 83 | + sign.DoSignRequest(httpPost, uri , "Moderate" , ak , sk , region); |
| 84 | + HttpResponse response = httpClient.execute(httpPost); |
| 85 | + try { |
| 86 | + int statusCode = response.getStatusLine().getStatusCode(); |
| 87 | + if (statusCode != 200) { |
| 88 | +// throw new IOException("bad response code: " + statusCode); |
| 89 | + } |
| 90 | + String responseBody = EntityUtils.toString(response.getEntity(), "UTF-8"); |
| 91 | + ModerateV2Response moderateResponse = objectMapper.readValue(responseBody, ModerateV2Response.class); |
| 92 | + return moderateResponse; |
| 93 | + } finally { |
| 94 | + EntityUtils.consumeQuietly(response.getEntity()); |
| 95 | + } |
| 96 | + } |
| 97 | + |
| 98 | + public ModerateV2Response ModerateStream(ModerateV2Request request, ModerateV2StreamSession session) throws Exception { |
| 99 | + if (request == null) { |
| 100 | + |
| 101 | + request = new ModerateV2Request(); |
| 102 | + } |
| 103 | + // 本接口不支持非流式调用 |
| 104 | + if (request.getUseStream() == 0 || session == null) { |
| 105 | + throw new IllegalArgumentException("useStream cannot 0 ,session cannot null"); |
| 106 | + } |
| 107 | + |
| 108 | + if (session.getRequest() == null) { |
| 109 | + session.setRequest(new ModerateV2Request(request)); |
| 110 | + } else { |
| 111 | + session.appendRequestContent(request); |
| 112 | + if ( session.getStreamSendLen() >= session.getCurrentSendWindow() || session.getRequest().getUseStream() == 2 ) { |
| 113 | + session.growSendWindow(); |
| 114 | + }else { |
| 115 | + return session.getDefaultOut(); |
| 116 | + } |
| 117 | + } |
| 118 | + |
| 119 | + ObjectMapper objectMapper = new ObjectMapper(); |
| 120 | + objectMapper.configure(com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); |
| 121 | + String requestBody = objectMapper.writeValueAsString(session.getRequest()); |
| 122 | + |
| 123 | + URIBuilder uriBuilder = new URIBuilder(url +"/v2/moderate"); |
| 124 | + uriBuilder.addParameter("Action", "Moderate"); |
| 125 | + uriBuilder.addParameter("Version", "2025-08-31"); // 支持多个参数 |
| 126 | + URI uri = uriBuilder.build(); |
| 127 | + HttpPost httpPost = new HttpPost(uri); |
| 128 | + httpPost.setHeader("Content-Type", CONTENT_TYPE_HEADER); |
| 129 | + |
| 130 | + httpPost.setEntity(new StringEntity(requestBody, "UTF-8")); |
| 131 | + Sign sign = new Sign(); |
| 132 | + sign.DoSignRequest(httpPost, uri , "Moderate" , ak , sk , region); |
| 133 | + HttpResponse response = httpClient.execute(httpPost); |
| 134 | + try { |
| 135 | + int statusCode = response.getStatusLine().getStatusCode(); |
| 136 | + if (statusCode != 200) { |
| 137 | +// throw new IOException("bad response code: " + statusCode); |
| 138 | + } |
| 139 | + String responseBody = EntityUtils.toString(response.getEntity(), "UTF-8"); |
| 140 | + ObjectMapper objectMapperresp = new ObjectMapper(); |
| 141 | + ModerateV2Response moderateResponse = objectMapperresp.readValue(responseBody, ModerateV2Response.class); |
| 142 | + |
| 143 | + session.setDefaultOut(moderateResponse); |
| 144 | + session.setStreamSendLen(0); |
| 145 | +// if(session.getRequest().getUseStream() == 2 ){ |
| 146 | +// System.out.println("最终检测内容: "+session.getRequest().getMessage().getContent()); |
| 147 | +// } |
| 148 | + |
| 149 | + return moderateResponse; |
| 150 | + } finally { |
| 151 | + EntityUtils.consumeQuietly(response.getEntity()); |
| 152 | + } |
| 153 | + } |
| 154 | + |
| 155 | + public GenerateStreamV2Response GenerateV2Stream(GenerateStreamV2Request request) throws Exception { |
| 156 | + if (request == null) { |
| 157 | + request = new GenerateStreamV2Request(); |
| 158 | + } |
| 159 | + // 创建 ObjectMapper 用于 JSON 序列化 |
| 160 | + ObjectMapper objectMapper = new ObjectMapper(); |
| 161 | + objectMapper.configure(com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); |
| 162 | + // 将请求对象序列化为 JSON 字符串 |
| 163 | + String requestBody = objectMapper.writeValueAsString(request); |
| 164 | + URIBuilder uriBuilder = new URIBuilder(url +"/v2/generate"); |
| 165 | + uriBuilder.addParameter("Action", "Generate"); |
| 166 | + uriBuilder.addParameter("Version", "2025-08-31"); // 支持多个参数 |
| 167 | + URI uri = uriBuilder.build(); |
| 168 | + HttpPost httpPost = new HttpPost(uri); |
| 169 | + httpPost.setHeader("Content-Type", CONTENT_TYPE_HEADER); |
| 170 | + |
| 171 | + httpPost.setEntity(new StringEntity(requestBody, "UTF-8")); |
| 172 | + Sign sign = new Sign(); |
| 173 | + sign.DoSignRequest(httpPost, uri , "Generate" , ak , sk , region); |
| 174 | + HttpResponse response = httpClient.execute(httpPost); |
| 175 | + int statusCode = response.getStatusLine().getStatusCode(); |
| 176 | + |
| 177 | + if (statusCode != 200) { |
| 178 | + EntityUtils.consumeQuietly(response.getEntity()); |
| 179 | +// throw new Exception("Bad response code: " + statusCode); |
| 180 | + return new GenerateStreamV2Response(response.getEntity().getContent()); |
| 181 | + } else { |
| 182 | + return new GenerateStreamV2Response(response.getEntity().getContent()); |
| 183 | + } |
| 184 | + } |
| 185 | + |
| 186 | +} |
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