bridge116

package com.yourpackage;

import org.springframework.beans.PropertyValue;
import org.springframework.beans.factory.config.*;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.SmartLifecycle;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.util.*;

public class SpringVisualizer implements ApplicationContextAware, SmartLifecycle {

    private ConfigurableApplicationContext context;
    private boolean isRunning = false;
    private final Set<String> currentBeanManualDeps = new HashSet<>();

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) {
        this.context = (ConfigurableApplicationContext) applicationContext;
    }

    @Override
    public void start() {
        StringBuilder dot = new StringBuilder("digraph G {\n");
        // Simplified engine settings for better stability in Edotor
        dot.append("  rankdir=LR; nodesep=1.0; ranksep=2.0; splines=true;\n");
        dot.append("  node [shape=none, fontname=\"Arial\", fontsize=11];\n");
        dot.append("  edge [fontname=\"Arial\", fontsize=9, color=\"#777777\"];\n\n");

        Set<String> processed = new HashSet<>();
        int count = 0;

        ApplicationContext currentCtx = this.context;
        while (currentCtx != null) {
            if (currentCtx instanceof ConfigurableApplicationContext) {
                ConfigurableListableBeanFactory factory = ((ConfigurableApplicationContext) currentCtx).getBeanFactory();
                for (String name : factory.getBeanDefinitionNames()) {
                    if (name.startsWith("org.springframework")) continue;

                    if (processed.add(name)) {
                        try {
                            BeanDefinition def = factory.getBeanDefinition(name);
                            currentBeanManualDeps.clear();
                            count++;

                            String color = name.toLowerCase().contains("comet") ? "#FFF9C4" : 
                                           (name.toLowerCase().contains("cpls") ? "#C8E6C9" : "#E1F5FE");

                            dot.append("  \"").append(name).append("\" [label=<<TABLE BORDER=\"1\" CELLBORDER=\"0\" CELLSPACING=\"0\" CELLPADDING=\"5\" BGCOLOR=\"").append(color).append("\">");

                            // Header: Using a darker shade and internal border to separate from body
                            dot.append("<TR><TD BGCOLOR=\"#A0A0A0\" ALIGN=\"CENTER\" BORDER=\"1\"><B> ").append(xmlEscape(name)).append(" </B></TD></TR>");

                            for (PropertyValue pv : def.getPropertyValues().getPropertyValues()) {
                                dot.append("<TR><TD ALIGN=\"LEFT\" BORDER=\"1\">");
                                dot.append("<B>").append(xmlEscape(pv.getName())).append(":</B> ");
                                dot.append(extractValue(pv.getValue(), 0));
                                dot.append("</TD></TR>");
                            }
                            dot.append("</TABLE>>];\n");

                            Set<String> allDeps = new HashSet<>(Arrays.asList(factory.getDependenciesForBean(name)));
                            allDeps.addAll(currentBeanManualDeps);
                            for (String dep : allDeps) {
                                if (!dep.startsWith("org.springframework")) {
                                    dot.append("  \"").append(name).append("\" -> \"").append(dep).append("\";\n");
                                }
                            }
                        } catch (Exception ignored) {}
                    }
                }
            }
            currentCtx = currentCtx.getParent();
        }

        dot.append("}\n");
        writeToFile(dot.toString());
        this.isRunning = true;
    }

    private String extractValue(Object value, int depth) {
        if (value == null) return "null";
        if (depth > 1) return "..."; // Drastically reduced depth to avoid the "text wall" crash

        if (value instanceof BeanReference) {
            String bName = ((BeanReference) value).getBeanName();
            currentBeanManualDeps.add(bName);
            return "@" + xmlEscape(bName);
        }

        if (value instanceof TypedStringValue) {
            return truncate(xmlEscape(((TypedStringValue) value).getValue()));
        }

        // Avoid expanding the full BeanDefinition string which caused the overflow
        if (value instanceof BeanDefinition || value instanceof BeanDefinitionHolder) {
            return "<i>[InnerBean]</i>";
        }

        if (value instanceof Iterable) {
            return "[List]";
        }

        return truncate(xmlEscape(value.toString()));
    }

    private String truncate(String s) {
        if (s == null) return "";
        int limit = 45; // Tighter limit to ensure boxes don't overflow the browser view
        if (s.length() <= limit) return s;
        return s.substring(0, limit) + "...";
    }

    private String xmlEscape(String input) {
        if (input == null) return "";
        // Aggressive cleaning of non-printable characters that often cause Edotor red errors
        String clean = input.replaceAll("[\\p{Cntrl}&&[^\r\n\t]]", "");
        return clean.replace("&", "&amp;")
                    .replace("<", "&lt;")
                    .replace(">", "&gt;")
                    .replace("\"", "&quot;")
                    .replace("'", "&apos;");
    }

    private void writeToFile(String content) {
        try {
            File buildDir = new File(System.getProperty("user.dir"), "build");
            if (!buildDir.exists()) buildDir.mkdirs();
            File file = new File(buildDir, "spring-beans.dot");
            try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8"))) {
                writer.write(content);
            }
        } catch (Exception e) { e.printStackTrace(); }
    }

    @Override public int getPhase() { return Integer.MAX_VALUE; }
    @Override public boolean isAutoStartup() { return true; }
    @Override public void stop() { this.isRunning = false; }
    @Override public boolean isRunning() { return this.isRunning; }
    @Override public void stop(Runnable callback) { stop(); callback.run(); }
}