idea插件开发的第三天-写一个JSON工具

本文链接：https://blog.youkuaiyun.com/qq_42413011/article/details/142308004

介绍

Demo说明

本文基于maven项目开发,idea版本为2022.3以上,jdk为1.8
本文在Tools插件之上进行开发

Tools插件说明

Tools插件是一个Idea插件,此插件提供统一Spi规范,极大的降低了idea插件的开发难度,并提供开发者模块,可以极大的为开发者开发此插件提供便利
Tools插件安装需要idea2022.3以上版本
插件下载连接: https://download.youkuaiyun.com/download/qq_42413011/89702325
sdk下载连接: https://download.youkuaiyun.com/download/qq_42413011/89702330
pojo-serializer插件: https://gitee.com/myprofile/pojo-serializer

正文

打开上一篇文章项目

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在pom中添加依赖

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编写代码

package com.lhstack.aaa;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONWriter;
import com.lhstack.tools.plugins.IPlugin;

import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.text.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

public class PluginImpl implements IPlugin {


    private final Map<String, JComponent> cache = new HashMap<>();


    @Override
    public JComponent createPanel(String projectHash) {
        return cache.computeIfAbsent(projectHash, key -> {

            JPanel panel = new JPanel(new BorderLayout());

            JTextPane jTextPane = new JTextPane();
            setting(jTextPane);
            JScrollPane jScrollPane = new JScrollPane(jTextPane);
            jScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
            jScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
            //json面板
            panel.add(jScrollPane, BorderLayout.CENTER);
            //事件按钮面板
            JPanel actionsPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));

            //添加格式化按钮
            JButton formatButton = new JButton("格式化");
            formatButton.addActionListener(new AbstractAction() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    String json = jTextPane.getText();
                    if (json != null && !json.trim().isEmpty()) {
                        //格式化
                        try {
                            String formatJson = JSON.toJSONString(JSON.parse(json), JSONWriter.Feature.PrettyFormat);
                            jTextPane.setText(formatJson);
                        } catch (Throwable err) {
                            JOptionPane.showMessageDialog(null, err.toString(), "json格式化", JOptionPane.ERROR_MESSAGE);
                        }
                    }
                }
            });
            actionsPanel.add(formatButton);

            //添加压缩按钮
            JButton compressButton = new JButton("压缩");

            compressButton.addActionListener(new AbstractAction() {

                @Override
                public void actionPerformed(ActionEvent e) {
                    String json = jTextPane.getText();
                    if (json != null && !json.trim().isEmpty()) {
                        //压缩
                        try {
                            String formatJson = JSON.toJSONString(JSON.parse(json));
                            jTextPane.setText(formatJson);
                        } catch (Throwable err) {
                            JOptionPane.showMessageDialog(null, err.toString(), "json压缩", JOptionPane.ERROR_MESSAGE);
                        }
                    }
                }
            });
            actionsPanel.add(compressButton);

            //放在右下角
            panel.add(actionsPanel, BorderLayout.SOUTH);

            return panel;
        });
    }

    private void setting(JTextPane textPane) {
        //设置border
        textPane.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, Color.GRAY));
        //设置tab
        TabSet tabSet = new TabSet(new TabStop[]{new TabStop(4)});
        StyleContext styleContext = StyleContext.getDefaultStyleContext();
        AttributeSet aset = styleContext.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.TabSet, tabSet);
        textPane.setParagraphAttributes(aset, false);
    }


    @Override
    public void closeProject(String projectHash) {
        //关闭项目,移除项目对应打开的组件
        cache.remove(projectHash);
    }

    @Override
    public void unInstall() {
        //清除缓存
        cache.clear();

    }


    @Override
    public Icon pluginIcon() {
        try {
            return new ImageIcon(ImageIO.read(Objects.requireNonNull(PluginImpl.class.getClassLoader().getResourceAsStream("DEMO-48x48.png"))));
        } catch (Throwable e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public Icon pluginTabIcon() {
        try {
            return new ImageIcon(ImageIO.read(Objects.requireNonNull(PluginImpl.class.getClassLoader().getResourceAsStream("DEMO-16x16.png"))));
        } catch (Throwable e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public String pluginName() {
        return "Json工具";
    }

    @Override
    public String pluginDesc() {
        return "这是一个Json工具";
    }

    @Override
    public String pluginVersion() {
        return "0.0.1";
    }
}