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package org.netbeans.modules.scala.debugger.projects;
import java.net.MalformedURLException;
import java.net.URL;
import javax.swing.Action;
import org.netbeans.api.debugger.DebuggerEngine;
import org.netbeans.api.debugger.DebuggerManager;
import org.netbeans.api.debugger.jpda.ClassLoadUnloadBreakpoint;
import org.netbeans.api.debugger.jpda.ExceptionBreakpoint;
import org.netbeans.api.debugger.jpda.FieldBreakpoint;
import org.netbeans.api.debugger.jpda.JPDABreakpoint;
import org.netbeans.api.debugger.jpda.LineBreakpoint;
import org.netbeans.api.debugger.jpda.MethodBreakpoint;
import org.netbeans.api.debugger.jpda.ThreadBreakpoint;
import org.netbeans.api.java.classpath.GlobalPathRegistry;
import org.netbeans.spi.debugger.jpda.SourcePathProvider;
import org.netbeans.spi.viewmodel.NodeActionsProvider;
import org.netbeans.spi.viewmodel.UnknownTypeException;
import org.netbeans.spi.viewmodel.Models;
import org.netbeans.spi.viewmodel.NodeActionsProviderFilter;
import org.openide.ErrorManager;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileStateInvalidException;
import org.openide.filesystems.URLMapper;
import org.openide.util.NbBundle;
/**
* @author Martin Entlicher
*/
public class BreakpointsActionsProvider implements NodeActionsProviderFilter {
private static final Action GO_TO_SOURCE_ACTION = Models.createAction (
loc("CTL_Breakpoint_GoToSource_Label"), // NOI18N
new Models.ActionPerformer () {
public boolean isEnabled (Object node) {
return true;
}
public void perform (Object[] nodes) {
goToSource ((JPDABreakpoint) nodes [0]);
}
},
Models.MULTISELECTION_TYPE_EXACTLY_ONE
);
private static String loc(String key) {
return NbBundle.getBundle(BreakpointsActionsProvider.class).getString(key);
}
public Action[] getActions (NodeActionsProvider original, Object node)
throws UnknownTypeException {
if (!(node instanceof JPDABreakpoint) || node instanceof ThreadBreakpoint)
return original.getActions (node);
Action[] oas = original.getActions (node);
Action[] as = new Action [oas.length + 2];
as [0] = GO_TO_SOURCE_ACTION;
as [1] = null;
System.arraycopy (oas, 0, as, 2, oas.length);
return as;
}
public void performDefaultAction (NodeActionsProvider original, Object node) throws UnknownTypeException {
if (node instanceof JPDABreakpoint && !(node instanceof ThreadBreakpoint))
goToSource ((JPDABreakpoint) node);
else
original.performDefaultAction (node);
}
private static void goToSource (JPDABreakpoint b) {
String url;
int lineNumber;
if (b instanceof LineBreakpoint) {
LineBreakpoint lb = (LineBreakpoint) b;
url = lb.getURL();
lineNumber = lb.getLineNumber();
if (lineNumber < 1) lineNumber = 1;
} else if (b instanceof FieldBreakpoint) {
FieldBreakpoint fb = (FieldBreakpoint) b;
String fieldName = fb.getFieldName();
String className = fb.getClassName ();
FileObject fo = getFileObject(getRelativePath (className));
if (fo == null) return ;
try {
url = fo.getURL ().toString ();
} catch (FileStateInvalidException e) {
return ;
}
lineNumber = EditorContextImpl.getFieldLineNumber (
fo,
className,
fieldName
);
} else if (b instanceof MethodBreakpoint) {
MethodBreakpoint mb = (MethodBreakpoint) b;
String methodName = mb.getMethodName();
String[] classFilters = mb.getClassFilters();
if (classFilters.length < 1) return ;
String className = classFilters[0];
FileObject fo = getFileObject(getRelativePath (className));
if (fo == null) return ;
try {
url = fo.getURL ().toString ();
} catch (FileStateInvalidException e) {
return ;
}
int[] lineNumbers = EditorContextImpl.getMethodLineNumbers(
fo,
className,
mb.getClassExclusionFilters(),
methodName,
mb.getMethodSignature()
);
if (lineNumbers.length == 0) lineNumber = 1;
else lineNumber = lineNumbers[0];
} else if (b instanceof ExceptionBreakpoint) {
ExceptionBreakpoint eb = (ExceptionBreakpoint) b;
String className = eb.getExceptionClassName();
FileObject fo = getFileObject(getRelativePath (className));
if (fo == null) return ;
try {
url = fo.getURL ().toString ();
} catch (FileStateInvalidException e) {
return ;
}
// TODO: EditorContextImpl.getClassLineNumber(fo, className);
lineNumber = 1;
} else if (b instanceof ClassLoadUnloadBreakpoint) {
ClassLoadUnloadBreakpoint cb = (ClassLoadUnloadBreakpoint) b;
String[] classNames = cb.getClassFilters();
if (classNames.length == 0) return;
String className = classNames[0];
FileObject fo = getFileObject(getRelativePath (className));
if (fo == null) return ;
try {
url = fo.getURL ().toString ();
} catch (FileStateInvalidException e) {
return ;
}
// TODO: EditorContextImpl.getClassLineNumber(fo, className);
lineNumber = 1;
} else {
return;
}
EditorContextImpl.showSourceLine (
url,
lineNumber,
null
);
return ;
}
private static FileObject getFileObject(String classRelPath) {
DebuggerEngine engine = DebuggerManager.getDebuggerManager ().getCurrentEngine();
if (engine != null) {
SourcePathProvider sp = engine.lookupFirst(null, SourcePathProvider.class);
if (sp != null) {
String url = sp.getURL(classRelPath, false);
if (url == null) {
url = sp.getURL(classRelPath, true);
}
if (url != null) {
try {
FileObject fo = URLMapper.findFileObject(new URL(url));
if (fo != null) {
return fo;
}
} catch (MalformedURLException ex) {
ErrorManager.getDefault().notify(ErrorManager.INFORMATIONAL, ex);
}
}
}
}
classRelPath = SourcePathProviderImpl.normalize(classRelPath);
FileObject fo = GlobalPathRegistry.getDefault().findResource(classRelPath);
return fo;
}
private static String getRelativePath (String className) {
int i = className.indexOf ('$');
if (i > 0) className = className.substring (0, i);
String sourceName = className.replace
('.', '/') + ".scala";
return sourceName;
}
}