public void setRequestHeaderField(String fieldName, String fieldValue) {
        Assert.isNotNull(fieldName);
        Assert.isNotNull(fieldValue);
        endRequest();
        requestHeader.addField(fieldName, fieldValue);
    }
public void setRequestHeaderField(String fieldName, String fieldValue) {
        Assert.isNotNull(fieldName);
        Assert.isNotNull(fieldValue);
        endRequest();
        requestHeader.addField(fieldName, fieldValue);
    }
public void setRequestHeaderField ( String fieldName , String fieldValue ) { Assert . isNotNull ( fieldName ) ; Assert . isNotNull ( fieldValue ) ; endRequest ( ) ; requestHeader . addField ( fieldName , fieldValue ) ; }
Sets the request header value associated with the given field.

@param fieldName the request header field
@param fieldValue the request header value
@see #getRequestHeaderFieldValue(String)
Sets the request header value associated with the given field .