Remove RequestBuilderBase.checkIfBodyAllowed, close AsyncHttpClient#455

Author: Stephane Landelle

api/src/main/java/org/asynchttpclient/RequestBuilderBase.java

@@ -479,20 +479,12 @@ private void resetMultipartData() {
  request.parts = null;
  }
 
- private void checkIfBodyAllowed() {
- if ("HEAD".equals(request.method)) {
- throw new IllegalArgumentException("Can NOT set Body on HTTP Request Method HEAD.");
- }
- }
-
  public T setBody(File file) {
- checkIfBodyAllowed();
  request.file = file;
  return derived.cast(this);
  }
 
  public T setBody(byte[] data) throws IllegalArgumentException {
- checkIfBodyAllowed();
  resetParameters();
  resetNonMultipartData();
  resetMultipartData();
@@ -501,7 +493,6 @@ public T setBody(byte[] data) throws IllegalArgumentException {
  }
 
  public T setBody(String data) throws IllegalArgumentException {
- checkIfBodyAllowed();
  resetParameters();
  resetNonMultipartData();
  resetMultipartData();
@@ -510,7 +501,6 @@ public T setBody(String data) throws IllegalArgumentException {
  }
 
  public T setBody(InputStream stream) throws IllegalArgumentException {
- checkIfBodyAllowed();
  resetParameters();
  resetNonMultipartData();
  resetMultipartData();
@@ -519,7 +509,6 @@ public T setBody(InputStream stream) throws IllegalArgumentException {
  }
 
  public T setBody(BodyGenerator bodyGenerator) {
- checkIfBodyAllowed();
  request.bodyGenerator = bodyGenerator;
  return derived.cast(this);
  }