Debugger opens JS files by HTTP

teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/TeaVMDebugModelPresentation.java

@@ -15,11 +15,7 @@
  */
 package org.teavm.eclipse.debugger.ui;
 
-import java.net.URI;
-import java.net.URISyntaxException;
 import java.net.URL;
-import org.eclipse.core.filesystem.EFS;
-import org.eclipse.core.filesystem.IFileStore;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IStorage;
 import org.eclipse.debug.core.model.ILineBreakpoint;
@@ -30,7 +26,6 @@ import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.ui.IEditorInput;
 import org.eclipse.ui.IEditorRegistry;
 import org.eclipse.ui.PlatformUI;
-import org.eclipse.ui.ide.FileStoreEditorInput;
 import org.eclipse.ui.part.FileEditorInput;
 import org.teavm.debugging.CallFrame;
 import org.teavm.debugging.javascript.JavaScriptCallFrame;
@@ -73,13 +68,7 @@ public class TeaVMDebugModelPresentation extends LabelProvider implements IDebug
             return new FileEditorInput((IFile)((ILineBreakpoint)element).getMarker().getResource());
         }
         if (element instanceof URL) {
-            try {
+            return new URLEditorInput((URL)element);
-                URI uri = new URI(element.toString());
-                IFileStore store = EFS.getLocalFileSystem().getStore(uri);
-                return new FileStoreEditorInput(store);
-            } catch (URISyntaxException e) {
-                return null;
-            }
         }
         if (element instanceof IStorage) {
             return new StorageEditorInput((IStorage)element);

teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/URLEditorInput.java

@@ -0,0 +1,79 @@
+package org.teavm.eclipse.debugger.ui;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.Objects;
+import org.eclipse.core.resources.IStorage;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.ui.IPersistableElement;
+import org.eclipse.ui.IStorageEditorInput;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ *
+ * @author Alexey Andreev <konsoletyper@gmail.com>
+ */
+public class URLEditorInput extends PlatformObject implements IStorageEditorInput {
+    private URL url;
+
+    public URLEditorInput(URL url) {
+        this.url = url;
+    }
+
+    @Override
+    public boolean exists() {
+        try (InputStream input = url.openStream()) {
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    public ImageDescriptor getImageDescriptor() {
+        return PlatformUI.getWorkbench().getEditorRegistry().getImageDescriptor(url.getFile());
+    }
+
+    @Override
+    public String getName() {
+        return url.getFile();
+    }
+
+    @Override
+    public IPersistableElement getPersistable() {
+        return null;
+    }
+
+    @Override
+    public String getToolTipText() {
+        return url.toString();
+    }
+
+    @Override
+    public IStorage getStorage() throws CoreException {
+        return new URLStorage(url);
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((url == null) ? 0 : url.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof URLEditorInput)) {
+            return false;
+        }
+        URLEditorInput other = (URLEditorInput)obj;
+        return Objects.equals(url, other.url);
+    }
+}

teavm-eclipse/teavm-eclipse-plugin/src/main/java/org/teavm/eclipse/debugger/ui/URLStorage.java

@@ -0,0 +1,46 @@
+package org.teavm.eclipse.debugger.ui;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import org.eclipse.core.resources.IStorage;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.PlatformObject;
+import org.teavm.eclipse.TeaVMEclipsePlugin;
+
+/**
+ *
+ * @author Alexey Andreev <konsoletyper@gmail.com>
+ */
+public class URLStorage extends PlatformObject implements IStorage {
+    private URL url;
+
+    public URLStorage(URL url) {
+        this.url = url;
+    }
+
+    @Override
+    public InputStream getContents() throws CoreException {
+        try {
+            return url.openStream();
+        } catch (IOException e) {
+            throw new CoreException(TeaVMEclipsePlugin.makeError(e));
+        }
+    }
+
+    @Override
+    public IPath getFullPath() {
+        return null;
+    }
+
+    @Override
+    public String getName() {
+        return url.getFile();
+    }
+
+    @Override
+    public boolean isReadOnly() {
+        return true;
+    }
+}