feign.Util.emptyToNull()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中feign.Util.emptyToNull()方法的一些代码示例，展示了Util.emptyToNull()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.emptyToNull()方法的具体详情如下：
包路径：feign.Util
类名称：Util
方法名：emptyToNull

Util.emptyToNull介绍

[英]Adapted from com.google.common.base.Strings#emptyToNull.
[中]改编自com。谷歌。常见的基础字符串#emptyToNull。

代码示例

代码示例来源：origin: com.netflix.feign/feign-core

  1. public HardCodedTarget(Class<T> type, String name, String url) {
  2.  this.type = checkNotNull(type, "type");
  3.  this.name = checkNotNull(emptyToNull(name), "name");
  4.  this.url = checkNotNull(emptyToNull(url), "url");
  5. }

代码示例来源：origin: com.netflix.feign/feign-core

  1. EmptyTarget(Class<T> type, String name) {
  2.  this.type = checkNotNull(type, "type");
  3.  this.name = checkNotNull(emptyToNull(name), "name");
  4. }

代码示例来源：origin: SpringCloud/venus-cloud-feign

  1. private void parseProduces(MethodMetadata md, Method method,
  2.               RequestMapping annotation) {
  3.   String[] serverProduces = annotation.produces();
  4.   String clientAccepts = serverProduces.length == 0 ? null
  5.       : emptyToNull(serverProduces[0]);
  6.   if (clientAccepts != null) {
  7.     md.template().header(ACCEPT, clientAccepts);
  8.   }
  9. }

代码示例来源：origin: org.springframework.cloud/spring-cloud-openfeign-core

  1. private void parseConsumes(MethodMetadata md, Method method,
  2.     RequestMapping annotation) {
  3.   String[] serverConsumes = annotation.consumes();
  4.   String clientProduces = serverConsumes.length == 0 ? null
  5.       : emptyToNull(serverConsumes[0]);
  6.   if (clientProduces != null) {
  7.     md.template().header(CONTENT_TYPE, clientProduces);
  8.   }
  9. }

代码示例来源：origin: spring-cloud/spring-cloud-openfeign

  1. private void parseProduces(MethodMetadata md, Method method,
  2.     RequestMapping annotation) {
  3.   String[] serverProduces = annotation.produces();
  4.   String clientAccepts = serverProduces.length == 0 ? null
  5.       : emptyToNull(serverProduces[0]);
  6.   if (clientAccepts != null) {
  7.     md.template().header(ACCEPT, clientAccepts);
  8.   }
  9. }

代码示例来源：origin: org.springframework.cloud/spring-cloud-openfeign-core

  1. private void parseProduces(MethodMetadata md, Method method,
  2.     RequestMapping annotation) {
  3.   String[] serverProduces = annotation.produces();
  4.   String clientAccepts = serverProduces.length == 0 ? null
  5.       : emptyToNull(serverProduces[0]);
  6.   if (clientAccepts != null) {
  7.     md.template().header(ACCEPT, clientAccepts);
  8.   }
  9. }

代码示例来源：origin: spring-cloud/spring-cloud-openfeign

  1. private void parseConsumes(MethodMetadata md, Method method,
  2.     RequestMapping annotation) {
  3.   String[] serverConsumes = annotation.consumes();
  4.   String clientProduces = serverConsumes.length == 0 ? null
  5.       : emptyToNull(serverConsumes[0]);
  6.   if (clientProduces != null) {
  7.     md.template().header(CONTENT_TYPE, clientProduces);
  8.   }
  9. }

代码示例来源：origin: ppdai-incubator/raptor

  1. private void parseProduces(MethodMetadata md, Method method,
  2.               RequestMapping annotation) {
  3.   String[] serverProduces = annotation.produces();
  4.   String clientAccepts = serverProduces.length == 0 ? null
  5.       : emptyToNull(serverProduces[0]);
  6.   if (clientAccepts != null) {
  7.     md.template().header(ACCEPT, clientAccepts);
  8.   }
  9. }

代码示例来源：origin: SpringCloud/venus-cloud-feign

  1. private void parseConsumes(MethodMetadata md, Method method,
  2.               RequestMapping annotation) {
  3.   String[] serverConsumes = annotation.consumes();
  4.   String clientProduces = serverConsumes.length == 0 ? null
  5.       : emptyToNull(serverConsumes[0]);
  6.   if (clientProduces != null) {
  7.     md.template().header(CONTENT_TYPE, clientProduces);
  8.   }
  9. }

代码示例来源：origin: ppdai-incubator/raptor

  1. private void parseConsumes(MethodMetadata md, Method method,
  2.               RequestMapping annotation) {
  3.   String[] serverConsumes = annotation.consumes();
  4.   String clientProduces = serverConsumes.length == 0 ? null
  5.       : emptyToNull(serverConsumes[0]);
  6.   if (clientProduces != null) {
  7.     md.template().header(CONTENT_TYPE, clientProduces);
  8.   }
  9. }

代码示例来源：origin: spring-cloud/spring-cloud-openfeign

  1. @Override
  2. protected void processAnnotationOnClass(MethodMetadata data, Class<?> clz) {
  3.   if (clz.getInterfaces().length == 0) {
  4.     RequestMapping classAnnotation = findMergedAnnotation(clz,
  5.         RequestMapping.class);
  6.     if (classAnnotation != null) {
  7.       // Prepend path from class annotation if specified
  8.       if (classAnnotation.value().length > 0) {
  9.         String pathValue = emptyToNull(classAnnotation.value()[0]);
  10.         pathValue = resolve(pathValue);
  11.         if (!pathValue.startsWith("/")) {
  12.           pathValue = "/" + pathValue;
  13.         }
  14.         data.template().uri(pathValue);
  15.       }
  16.     }
  17.   }
  18. }

代码示例来源：origin: org.springframework.cloud/spring-cloud-openfeign-core

  1. @Override
  2. protected void processAnnotationOnClass(MethodMetadata data, Class<?> clz) {
  3.   if (clz.getInterfaces().length == 0) {
  4.     RequestMapping classAnnotation = findMergedAnnotation(clz,
  5.         RequestMapping.class);
  6.     if (classAnnotation != null) {
  7.       // Prepend path from class annotation if specified
  8.       if (classAnnotation.value().length > 0) {
  9.         String pathValue = emptyToNull(classAnnotation.value()[0]);
  10.         pathValue = resolve(pathValue);
  11.         if (!pathValue.startsWith("/")) {
  12.           pathValue = "/" + pathValue;
  13.         }
  14.         data.template().uri(pathValue);
  15.       }
  16.     }
  17.   }
  18. }

代码示例来源：origin: ppdai-incubator/raptor

  1. @Override
  2. protected void processAnnotationOnClass(MethodMetadata data, Class<?> clz) {
  3.   if (clz.getInterfaces().length == 0) {
  4.     RequestMapping classAnnotation = findMergedAnnotation(clz,
  5.         RequestMapping.class);
  6.     if (classAnnotation != null) {
  7.       // Prepend path from class annotation if specified
  8.       if (classAnnotation.value().length > 0) {
  9.         String pathValue = emptyToNull(classAnnotation.value()[0]);
  10.         pathValue = resolve(pathValue);
  11.         if (!pathValue.startsWith("/")) {
  12.           pathValue = "/" + pathValue;
  13.         }
  14.         data.template().insert(0, pathValue);
  15.       }
  16.     }
  17.   }
  18. }

代码示例来源：origin: com.netflix.feign/feign-jaxrs

  1. private void handleProducesAnnotation(MethodMetadata data, Produces produces, String name) {
  2.  String[] serverProduces = produces.value();
  3.  String clientAccepts = serverProduces.length == 0 ? null : emptyToNull(serverProduces[0]);
  4.  checkState(clientAccepts != null, "Produces.value() was empty on %s", name);
  5.  data.template().header(ACCEPT, (String) null); // remove any previous produces
  6.  data.template().header(ACCEPT, clientAccepts);
  7. }

代码示例来源：origin: com.netflix.feign/feign-jaxrs

  1. private void handleConsumesAnnotation(MethodMetadata data, Consumes consumes, String name) {
  2.  String[] serverConsumes = consumes.value();
  3.  String clientProduces = serverConsumes.length == 0 ? null : emptyToNull(serverConsumes[0]);
  4.  checkState(clientProduces != null, "Consumes.value() was empty on %s", name);
  5.  data.template().header(CONTENT_TYPE, (String) null); // remove any previous consumes
  6.  data.template().header(CONTENT_TYPE, clientProduces);
  7. }

代码示例来源：origin: spring-cloud/spring-cloud-openfeign

  1. @Override
  2.   public boolean processArgument(AnnotatedParameterContext context, Annotation annotation, Method method) {
  3.     int parameterIndex = context.getParameterIndex();
  4.     Class<?> parameterType = method.getParameterTypes()[parameterIndex];
  5.     MethodMetadata data = context.getMethodMetadata();
  7.     if (Map.class.isAssignableFrom(parameterType)) {
  8.       checkState(data.headerMapIndex() == null, "Header map can only be present once.");
  9.       data.headerMapIndex(parameterIndex);
  11.       return true;
  12.     }
  14.     String name = ANNOTATION.cast(annotation).value();
  15.     checkState(emptyToNull(name) != null,
  16.         "RequestHeader.value() was empty on parameter %s", parameterIndex);
  17.     context.setParameterName(name);
  19.     Collection<String> header = context.setTemplateParameter(name, data.template().headers().get(name));
  20.     data.template().header(name, header);
  21.     return true;
  22.   }
  23. }

代码示例来源：origin: spring-cloud/spring-cloud-openfeign

  1. @Override
  2. public boolean processArgument(AnnotatedParameterContext context, Annotation annotation, Method method) {
  3.   String name = ANNOTATION.cast(annotation).value();
  4.   checkState(emptyToNull(name) != null,
  5.       "PathVariable annotation was empty on param %s.", context.getParameterIndex());
  6.   context.setParameterName(name);
  7.   MethodMetadata data = context.getMethodMetadata();
  8.   String varName = '{' + name + '}';
  9.   if (!data.template().url().contains(varName)
  10.       && !searchMapValues(data.template().queries(), varName)
  11.       && !searchMapValues(data.template().headers(), varName)) {
  12.     data.formParams().add(name);
  13.   }
  14.   return true;
  15. }

代码示例来源：origin: org.springframework.cloud/spring-cloud-openfeign-core

  1. @Override
  2.   public boolean processArgument(AnnotatedParameterContext context, Annotation annotation, Method method) {
  3.     int parameterIndex = context.getParameterIndex();
  4.     Class<?> parameterType = method.getParameterTypes()[parameterIndex];
  5.     MethodMetadata data = context.getMethodMetadata();
  7.     if (Map.class.isAssignableFrom(parameterType)) {
  8.       checkState(data.headerMapIndex() == null, "Header map can only be present once.");
  9.       data.headerMapIndex(parameterIndex);
  11.       return true;
  12.     }
  14.     String name = ANNOTATION.cast(annotation).value();
  15.     checkState(emptyToNull(name) != null,
  16.         "RequestHeader.value() was empty on parameter %s", parameterIndex);
  17.     context.setParameterName(name);
  19.     Collection<String> header = context.setTemplateParameter(name, data.template().headers().get(name));
  20.     data.template().header(name, header);
  21.     return true;
  22.   }
  23. }

代码示例来源：origin: org.springframework.cloud/spring-cloud-openfeign-core

  1. @Override
  2. public boolean processArgument(AnnotatedParameterContext context, Annotation annotation, Method method) {
  3.   String name = ANNOTATION.cast(annotation).value();
  4.   checkState(emptyToNull(name) != null,
  5.       "PathVariable annotation was empty on param %s.", context.getParameterIndex());
  6.   context.setParameterName(name);
  7.   MethodMetadata data = context.getMethodMetadata();
  8.   String varName = '{' + name + '}';
  9.   if (!data.template().url().contains(varName)
  10.       && !searchMapValues(data.template().queries(), varName)
  11.       && !searchMapValues(data.template().headers(), varName)) {
  12.     data.formParams().add(name);
  13.   }
  14.   return true;
  15. }

代码示例来源：origin: ppdai-incubator/raptor

  1. @Override
  2. public boolean processArgument(AnnotatedParameterContext context, Annotation annotation, Method method) {
  3.   String name = ANNOTATION.cast(annotation).value();
  4.   checkState(emptyToNull(name) != null,
  5.       "PathVariable annotation was empty on param %s.", context.getParameterIndex());
  6.   context.setParameterName(name);
  7.   MethodMetadata data = context.getMethodMetadata();
  8.   String varName = '{' + name + '}';
  9.   if (!data.template().url().contains(varName)
  10.       && !searchMapValues(data.template().queries(), varName)
  11.       && !searchMapValues(data.template().headers(), varName)) {
  12.     data.formParams().add(name);
  13.   }
  14.   return true;
  15. }

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