Add a extract_variable_all function for the corresponding code action

README.md

@@ -21,6 +21,7 @@ alternative:
 
 - [x] `organize_imports` function to organize imports
 - [x] `extract_variable` function to introduce a local variable
+- [x] `extract_variable_all` function to introduce a local variable and replace all occurrences.
 - [x] `extract_constant` function to extract a constant
 - [x] `extract_method` function to extract a block of code into a method
 - [x] Open class file contents

doc/jdtls.txt

@@ -61,6 +61,22 @@ JdtProjectSelectMode                                      *JdtProjectSelectMode*
         string
 
 
+M.extract_constant()                                    *jdtls.extract_constant*
+     Extract a constant from the expression under the cursor
+
+
+M.extract_variable()                                    *jdtls.extract_variable*
+     Extract a variable from the expression under the cursor
+
+
+M.extract_variable_all()                            *jdtls.extract_variable_all*
+     Extract a local variable from the expression under the cursor and replace all occurrences
+
+
+M.extract_method()                                        *jdtls.extract_method*
+     Extract a method
+
+
 M.super_implementation()                            *jdtls.super_implementation*
      Jump to the super implementation of the method under the cursor
 

lua/jdtls.lua

@@ -828,16 +828,31 @@ end
 ---|"all"
 ---|"prompt"
 
-local function mk_extract(entity)
-  return function(from_selection)
-    local params = make_code_action_params(from_selection or false)
-    java_apply_refactoring_command({ arguments = { entity }, }, { params = params })
-  end
+
+local function extract(entity, from_selection)
+  local params = make_code_action_params(from_selection or false)
+  java_apply_refactoring_command({ arguments = { entity }, }, { params = params })
 end
 
-M.extract_constant = mk_extract('extractConstant')
-M.extract_variable = mk_extract('extractVariable')
-M.extract_method = mk_extract('extractMethod')
+--- Extract a constant from the expression under the cursor
+function M.extract_constant(from_selection)
+  extract('extractConstant', from_selection)
+end
+
+--- Extract a variable from the expression under the cursor
+function M.extract_variable(from_selection)
+  extract('extractVariable', from_selection)
+end
+
+--- Extract a local variable from the expression under the cursor and replace all occurrences
+function M.extract_variable_all(from_selection)
+  extract('extractVariableAllOccurrence', from_selection)
+end
+
+--- Extract a method
+function M.extract_method(from_selection)
+  extract('extractMethod', from_selection)
+end
 
 
 --- Jump to the super implementation of the method under the cursor