test_class.file: everrest-core/src/test/java/org/everrest/core/impl/header/AcceptLanguageHeaderDelegateTest.java
test_class.identifier: AcceptLanguageHeaderDelegateTest
test_case.body: @Test(expected = IllegalArgumentException.class)
      public void throwExceptionWhenAcceptLanguageIsNull() {
          new AcceptLanguageHeaderDelegate().toString(null);
      }
test_case.class_method_signature: AcceptLanguageHeaderDelegateTest.throwExceptionWhenAcceptLanguageIsNull()
test_case.full_signature: @Test(expected = IllegalArgumentException.class) public void throwExceptionWhenAcceptLanguageIsNull()
test_case.identifier: throwExceptionWhenAcceptLanguageIsNull
test_case.invocations: toString
test_case.modifiers: @Test(expected = IllegalArgumentException.class) public
test_case.parameters: ()
test_case.return: void
test_case.signature: void throwExceptionWhenAcceptLanguageIsNull()
focal_class.declarator: QUALITY_SEPARATOR = ';'
focal_class.modifier: private static final
focal_class.original_string: private static final char QUALITY_SEPARATOR = ';';
focal_class.type: char
focal_class.var_name: QUALITY_SEPARATOR
focal_class.declarator: SUB_TAG_SEPARATOR = '-'
focal_class.modifier: private static final
focal_class.original_string: private static final char SUB_TAG_SEPARATOR = '-';
focal_class.type: char
focal_class.var_name: SUB_TAG_SEPARATOR
focal_class.file: everrest-core/src/main/java/org/everrest/core/impl/header/AcceptLanguageHeaderDelegate.java
focal_class.identifier: AcceptLanguageHeaderDelegate
focal_class.interfaces: implements RuntimeDelegate.HeaderDelegate<AcceptLanguage>
focal_class.class_method_signature: AcceptLanguageHeaderDelegate.fromString(String header)
focal_class.full_signature: @Override public AcceptLanguage fromString(String header)
focal_class.identifier: fromString
focal_class.modifiers: @Override public
focal_class.parameters: (String header)
focal_class.return: AcceptLanguage
focal_class.signature: AcceptLanguage fromString(String header)
focal_class.class_method_signature: AcceptLanguageHeaderDelegate.toString(AcceptLanguage language)
focal_class.full_signature: @Override public String toString(AcceptLanguage language)
focal_class.identifier: toString
focal_class.modifiers: @Override public
focal_class.parameters: (AcceptLanguage language)
focal_class.return: String
focal_class.signature: String toString(AcceptLanguage language)
focal_method.body: @Override
      public String toString(AcceptLanguage language) {
          if (language == null) {
              throw new IllegalArgumentException();
          }
          return language.getLanguage().toString();
      }
focal_method.class_method_signature: AcceptLanguageHeaderDelegate.toString(AcceptLanguage language)
focal_method.full_signature: @Override public String toString(AcceptLanguage language)
focal_method.identifier: toString
focal_method.invocations: toString getLanguage
focal_method.modifiers: @Override public
focal_method.parameters: (AcceptLanguage language)
focal_method.return: String
focal_method.signature: String toString(AcceptLanguage language)