terser后的HAPI v2：获取整个更改的消息

Question

我有一个HL7消息，其内容我正在用terser.set（）方法轻微操纵。一旦我这样做了，我在调试器中看到它已经改变了我想要的方式，但我似乎无法完整恢复整个消息。我试过（例如）：

HapiContext context = new DefaultHapiContext(); 
Parser  parser = context.getGenericParser(); 
Message  message = parser.parse(MESSAGE); 
Terser  terser = new Terser(message); 

terser.set("/PID-2", "XXX XX XXXX"); 

String fixedMessage = message.encode(); 

...这让我接近，因此，在刚刚竖线（管道），在各自的领域没有结束值线（段线）回来修整（垂直的酒吧简单地被丢弃）。我希望信息与我所输入的信息保持一致（如果在特定情况下我也这样做了修改）。

Answer 1

我想你需要在ParserConfiguration中使用addForcedEncode。

像

@Test 
    public void testSetManualRepetitions() { 
    try { 
     String m = "MSH|^~\\&|hl7Integration|hl7Integration|||||ADT^A01|||2.3|\r" + 
       "EVN|A01|20130617154644\r" + 
       "PID|1|465 306 5961||407623|Wood^Patrick^^^MR||19700101|1||||||||||\r" + 
       "PV1|1||Location||||||||||||||||261938_6_201306171546|||||||||||||||||||||||||20130617134644|||||||||"; 

     HapiContext hc = new DefaultHapiContext(); 
     ExecutorService es = hc.getExecutorService(); // to avoid npe when closing context should be fixed https://sourceforge.net/p/hl7api/bugs/223/ 
     ParserConfiguration pc = hc.getParserConfiguration(); 
     PipeParser pipeParser = hc.getPipeParser(); 
     Message message = pipeParser.parse(m); 
     Terser terser = new Terser(message); 
     //Add first Address 
     terser.set("/.PID-11(0)-1", "13 Oxford Road"); 
     terser.set("/.PID-11(0)-3", "Oxford"); 
     //Add second Address 
     terser.set("/.PID-11(1)-1", "16 London Road"); 
     terser.set("/.PID-11(1)-3", "London"); 

     pc.addForcedEncode("PID-26-1"); // make sure PID has 26 fields 
     System.out.println(message.encode().replaceAll("\r", "\r\n")); 
     hc.close(); 
    } catch (HL7Exception e) { 
     e.printStackTrace(); 
    } catch (IOException e) { 
     e.printStackTrace(); 
    } 
} 

产量：

/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/bin/java -ea -Didea.launcher.port=7540 "-Didea.launcher.bin.path=/Applications/IntelliJ IDEA CE.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath "/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar:/Applications/IntelliJ IDEA CE.app/Contents/plugins/junit/lib/junit-rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/charsets.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/deploy.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/cldrdata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/dnsns.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/jfxrt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/localedata.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/nashorn.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/sunec.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/sunjce_provider.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/sunpkcs11.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/ext/zipfs.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/javaws.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/jce.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/jfr.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/jfxswt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/jsse.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/management-agent.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/plugin.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/resources.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/jre/lib/rt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/lib/ant-javafx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/lib/dt.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/lib/javafx-mx.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/lib/jconsole.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/lib/sa-jdi.jar:/Library/Java/JavaVirtualMachines/jdk1.8.0_31.jdk/Contents/Home/lib/tools.jar:/Users/thomas/git/Hapi-HL7-Terser/target/test-classes:/Users/thomas/.m2/repository/junit/junit/4.4/junit-4.4.jar:/Users/thomas/.m2/repository/ca/uhn/hapi/hapi-base/2.2/hapi-base-2.2.jar:/Users/thomas/.m2/repository/ca/uhn/hapi/hapi-structures-v21/2.2/hapi-structures-v21-2.2.jar:/Users/thomas/.m2/repository/ca/uhn/hapi/hapi-structures-v23/2.2/hapi-structures-v23-2.2.jar:/Users/thomas/.m2/repository/ca/uhn/hapi/hapi-structures-v24/2.2/hapi-structures-v24-2.2.jar:/Users/thomas/.m2/repository/ca/uhn/hapi/hapi-structures-v25/2.2/hapi-structures-v25-2.2.jar:/Users/thomas/.m2/repository/org/slf4j/slf4j-simple/1.6.0/slf4j-simple-1.6.0.jar:/Users/thomas/.m2/repository/org/slf4j/slf4j-api/1.6.0/slf4j-api-1.6.0.jar:/Users/thomas/.m2/repository/org/slf4j/log4j-over-slf4j/1.6.2/log4j-over-slf4j-1.6.2.jar" com.intellij.rt.execution.application.AppMain com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 com.hl7integration.hapi.tests.SetRepetitionsTerserTest,testSetManualRepetitions 
68 [main] INFO ca.uhn.hl7v2.util.Home - hapi.home is set to /Users/thomas/git/Hapi-HL7-Terser/. 
170 [main] INFO ca.uhn.hl7v2.VersionLogger - HAPI version is: 2.2 
197 [main] INFO ca.uhn.hl7v2.VersionLogger - Default Structure libraries found for HL7 versions 2.1, 2.3, 2.4, 2.5, 
MSH|^~\&|hl7Integration|hl7Integration|||||ADT^A01|||2.3 
EVN|A01|20130617154644 
PID|1|465 306 5961||407623|Wood^Patrick^^^MR||19700101|1|||13 Oxford Road^^Oxford~16 London Road^^London||||||||||||||| 
PV1|1||Location||||||||||||||||261938_6_201306171546|||||||||||||||||||||||||20130617134644 

技术上你是不是改变的消息，你把它解析为一个Java对象，并对其进行编码返回字符串。以便您的输出消息看起来像您的输入消息。之后可能仍然存在细微的差异（例如，如果您的输入消息是动态的）。

---

从文档（http://hl7api.sourceforge.net/configuring_hapi.html）：

强制编码

默认情况下，编码信息HAPI时不会编码任何段或没有内容的并因此具有在没有语义字段消息。

如果您需要将消息传输到希望存在某些空白内容的系统，以获得有关消息中的位置的“提示”，则会导致问题。

的addForcedEncode方法可用于添加应被强制编码的更简洁的路径：

parser.getParserConfiguration（）addForcedEncode（ “PATIENT_RESULT/ORDER_OBSERVATION/ORC-4”）; // ORC-4将仍然存在（但为空），即使ORC没有内容 String encoded = parser.encode（message）; 查看JavaDoc的示例。