本文整理了Java中com.google.gwt.http.client.RequestBuilder.getHeader方法的一些代码示例，展示了RequestBuilder.getHeader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。RequestBuilder.getHeader方法的具体详情如下：
包路径：com.google.gwt.http.client.RequestBuilder
类名称：RequestBuilder
方法名：getHeader

RequestBuilder.getHeader介绍

[英]Returns the value of a header previous set by #setHeader(String,String), or null if no such header was set.
[中]返回#setHeader（String，String）之前设置的头的值，如果未设置此类头，则返回null。

代码示例

代码示例来源：origin: resty-gwt/resty-gwt

protected void defaultAcceptType(String type) {
  if (builder.getHeader(Resource.HEADER_ACCEPT) == null) {
    header(Resource.HEADER_ACCEPT, type);
  }
}

代码示例来源：origin: resty-gwt/resty-gwt

protected void defaultContentType(String type) {
  if (builder.getHeader(Resource.HEADER_CONTENT_TYPE) == null) {
    header(Resource.HEADER_CONTENT_TYPE, type);
  }
}

代码示例来源：origin: org.fusesource.restygwt/restygwt

protected void defaultAcceptType(String type) {
  if (builder.getHeader(Resource.HEADER_ACCEPT) == null) {
    header(Resource.HEADER_ACCEPT, type);
  }
}

代码示例来源：origin: org.fusesource.restygwt/restygwt

protected void defaultContentType(String type) {
  if (builder.getHeader(Resource.HEADER_CONTENT_TYPE) == null) {
    header(Resource.HEADER_CONTENT_TYPE, type);
  }
}

代码示例来源：origin: com.github.nmorel.gwtjackson/gwt-jackson-rest-api

if( null == builder.getHeader( "Content-Type" ) ) {
  builder.setHeader( "Content-Type", "application/json; charset=utf-8" );

代码示例来源：origin: org.kie.workbench.screens/kie-wb-common-server-ui-client

@Test
public void testMakeRequest() {
  final String url = "http://localhost:8080/kie-server/services/rest/server";
  final String none = "none";
  final RequestCallback callback = mock(RequestCallback.class);
  final String expectedHTTPMethod = RequestBuilder.GET.toString();
  doReturn(callback).when(presenter).makeCallback(onSuccess, onError);
  final RequestBuilder builder = presenter.makeRequest(url, onSuccess, onError);
  assertEquals(expectedHTTPMethod, builder.getHTTPMethod());
  assertEquals(url, builder.getUrl());
  assertEquals(none, builder.getUser());
  assertEquals(none, builder.getPassword());
  assertEquals(callback, builder.getCallback());
  assertEquals("*/*", builder.getHeader("Accept"));
}