From 868d2111fb93dc5720c9755a9265ea7a9aebb80d Mon Sep 17 00:00:00 2001
From: David Cockbill <david.cockbill@screamingfrog.co.uk>
Date: Mon, 22 Sep 2025 08:35:42 +0100
Subject: [PATCH] List and close existing tabs #86

- Expose http methods for listing and closing tabs
---
 .../devtools/client/ChromeDevToolsClient.java | 51 +++++++++++++------
 1 file changed, 36 insertions(+), 15 deletions(-)

diff --git a/ChromeDevToolsClient/src/main/java/com/hubspot/chrome/devtools/client/ChromeDevToolsClient.java b/ChromeDevToolsClient/src/main/java/com/hubspot/chrome/devtools/client/ChromeDevToolsClient.java
index 893c613..587483f 100644
--- a/ChromeDevToolsClient/src/main/java/com/hubspot/chrome/devtools/client/ChromeDevToolsClient.java
+++ b/ChromeDevToolsClient/src/main/java/com/hubspot/chrome/devtools/client/ChromeDevToolsClient.java
@@ -82,21 +82,25 @@ public ChromeDevToolsSession connect(String host, int port) throws URISyntaxExce
     );
   }
 
-  @Override
-  public void close() {
-    try {
-      executorService.shutdown();
-      httpClient.close();
-    } catch (Throwable t) {
-      LOG.error("Could not properly close chrome client", t);
+  public List<ChromeSessionInfo> listTargets(String host, int port) {
+    String url = String.format("http://%s:%d/json/list", host, port);
+    HttpRequest httpRequest = HttpRequest
+      .newBuilder()
+      .setUrl(url)
+      .setMethod(Method.GET)
+      .build();
+
+    HttpResponse response = httpClient.execute(httpRequest);
+
+    if (response.isError()) {
+      throw new ChromeDevToolsException("Unable to find available chrome session info.");
     }
+
+    return response.getAs(new TypeReference<>() {});
   }
 
-  private TargetID getFirstAvailableTargetId(String host, int port) {
-    if (defaultStartNewTarget) {
-      return startNewTarget(host, port);
-    }
-    String url = String.format("http://%s:%d/json/list", host, port);
+  public boolean closeTarget(String host, int port, String targetId) {
+    String url = String.format("http://%s:%d/json/close/%s", host, port, targetId);
     HttpRequest httpRequest = HttpRequest
       .newBuilder()
       .setUrl(url)
@@ -106,11 +110,28 @@ private TargetID getFirstAvailableTargetId(String host, int port) {
     HttpResponse response = httpClient.execute(httpRequest);
 
     if (response.isError()) {
-      throw new ChromeDevToolsException("Unable to find available chrome session info.");
+      throw new ChromeDevToolsException("Unable to close target.");
+    }
+
+    return response.isSuccess();
+  }
+
+  @Override
+  public void close() {
+    try {
+      executorService.shutdown();
+      httpClient.close();
+    } catch (Throwable t) {
+      LOG.error("Could not properly close chrome client", t);
     }
+  }
 
-    List<ChromeSessionInfo> sessions = response.getAs(new TypeReference<>() {});
-    if (sessions.size() == 0) {
+  private TargetID getFirstAvailableTargetId(String host, int port) {
+    if (defaultStartNewTarget) {
+      return startNewTarget(host, port);
+    }
+    List<ChromeSessionInfo> sessions = listTargets(host, port);
+    if (sessions.isEmpty()) {
       return startNewTarget(host, port);
     }
     return new TargetID(sessions.get(0).getId());