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我有一条 HL7 消息，我正在使用terser.set()方法稍微处理其内容。完成此操作后，我在调试器中看到它已按照我想要的方式进行了更改，但我似乎无法完整地恢复整个消息。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();

...这让我很接近，但是，仅以垂直条（管道）结束且其字段中没有值的线（线段）回来修剪（垂直条被简单地删除）。我希望消息与我输入的内容保持一致（如果在我故意修改的地方也进行了修改）。

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1 回答 1

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我认为您需要在 ParserConfiguration 中使用 addForcedEncode。

喜欢

   @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

从技术上讲，您不会更改消息，而是将其解析为 Java 对象并将其编码回字符串。这样您的输出消息看起来就像您的输入消息。之后仍然可能存在细微差别（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，当对消息进行编码时，HAPI 不会对任何没有内容的段或字段进行编码，因此在消息中没有语义意义。

如果您需要将消息传输到期望某些空内容存在的系统以便获得有关消息位置的“提示”，这可能会导致问题。

addForcedEncode 方法可用于添加应强制编码的 Terser 路径：

parser.getParserConfiguration().addForcedEncode("PATIENT_RESULT/ORDER_OBSERVATION/ORC-4"); // 即使 ORC 没有内容，ORC-4 仍然存在（但为空） String encoded = parser.encode(message); 有关示例，请参阅 JavaDoc。

于 2017-02-21T10:14:24.797 回答