A idea-plugin for Java/Scala, support custom code template.
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README.md

CodeMaker

A idea-plugin for Java/Scala to generate code, support custom code template.

demonstration

This plugin generates code from right click 'Generate...' menu while focused on a Java/Scala class. The output class can be customized using a provided velocity template to format the code based on the origin class and optional selected classes.

The following features are available:

  • Generate the model class for the persistent class.
  • Generate the converter class for the model class and the persistent class.
  • Support add custom template to generate more code.
  • Generate @see doc for override method.
  • Support Scala.

Install

  1. Search 'CodeMaker' in Idea plugins
  2. Download Releases

To install a plugin from the disk in idea

  1. Open the Settings/Preferences dialog box and select Plugins on the left pane.
  2. On the right pane of the dialog, click the Install plugin from disk button.
  3. In the dialog that opens, select the desired plugin. You can quickly locate and select the necessary file if you drag-and-drop the corresponding item from your file browser (Explorer, Finder, etc.) into the area where the tree is shown. Click OK to proceed.
  4. Click Apply button of the Settings/Preferences dialog.
  5. Following the system prompt that appears, restart IntelliJ IDEA to activate the installed plugin, or postpone it, at your choice.

Usage

This plugin generates code from right click 'Generate...' menu while focused on a Java/Scala class. Generate

The plugin support multiple class to generate one code, you can set the class number of template to select multiple classes to use.

select class

Configuration

configure

  • Add template: click "Add Template" button to add a template, after saving changes.
  • Delete template: click "Delete Template" button to delete a template.

property

  • classNumber: The template context will contain the class which user select when trigger the generate action. for example, the number is 1, the template context only has the focused class: $class0; if the number is 2, when you trigger the generate action, you need select a class, then the template context will have two class entry: $class0, $class1
  • className: The class name support velocity and the template context.

Template Context

########################################################################################
##
## Common variables:
##  $YEAR - yyyy
##  $TIME - yyyy-MM-dd HH:mm:ss
##  $USER - user.name
##
## Available variables:
##  $class0 - the context class, alias: $class
##  $class1 - the selected class, like $class1, $class2
##  $ClassName - generate by the config of "Class Name", the generated class name
##
## Class Entry Structure:
##  $class0.className - the class Name
##  $class0.packageName - the packageName
##  $class0.importList - the list of imported classes name
##  $class0.fields - the list of the class fields
##          - type: the field type
##          - name: the field name
##          - modifier: the field modifier, like "private",or "@Setter private" if include annotations
##  $class0.allFields - the list of the class fields include all fields of superclass
##          - type: the field type
##          - name: the field name
##          - modifier: the field modifier, like "private",or "@Setter private" if include annotations
##  $class0.methods - the list of class methods
##          - name: the method name
##          - modifier: the method modifier, like "private static"
##          - returnType: the method returnType
##          - params: the method params, like "(String name)"
##  $class0.allMethods - the list of class methods include all methods of superclass
##          - name: the method name
##          - modifier: the method modifier, like "private static"
##          - returnType: the method returnType
##          - params: the method params, like "(String name)"#
########################################################################################

Advance

If you want to add variables into template context, you can modified the source and package the plugin to meet your needs.

The injection of template context is executed by com.xiaohansong.codemaker.action.CodeMakerAction.generateCode

private String generateCode(CodeTemplate codeTemplate, List<ClassEntry> selectClasses) {
        Map<String, Object> map = new HashMap<>();
        for (int i = 0; i < selectClasses.size(); i++) {
            map.put("class" + i, selectClasses.get(i));
        }
        Date now = new Date();
        map.put("class", selectClasses.get(0));
        map.put("YEAR", DateFormatUtils.format(now, "yyyy"));
        map.put("TIME", DateFormatUtils.format(new Date(), "yyyy-MM-dd HH:mm:ss"));
        map.put("USER", System.getProperty("user.name"));
        String className = VelocityUtil.evaluate(codeTemplate.getClassNameVm(), map);
        map.put("ClassName", className);
        map.put("utils", new Utils());
        map.put("BR", "\n");

        return VelocityUtil.evaluate(codeTemplate.getCodeTemplate(), map);
    }